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Copyright of Telecommunication Engineering is the property of Telecommunication Engineering and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Zhejiang Electric Power is the property of Zhejiang Electric Power Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Kitchen waste is composed of complex and diverse ingredients with a variety of organic matter and inorganic salts, which is perishable and foul-smelling under high temperature conditions in summer. To reduce the deterioration rate of kitchen waste in the collection and storage process and cool down the kitchen waste in community residences for short time before treatment, the intelligent temperature- controlled dustbin was designed based on the fan-pad cooling device. Several temperature sensors were distributed inside the dustbin and controlled by Siemens PLC. The execution conditions of the fan-pad cooling device were programmed, and the PID algorithm was used for software optimization, while the data was visualized by touch screen. The intelligent control of the fan-pad cooling system was realized to maintain the internal temperature of the dustbin in the set range, and the system debugging and test verification were conducted. The results show that the detection error of the intelligent temperature control system is less than 0.5 °C, which meets the accuracy requirements. When the outdoor temperature is as high as 35 °C, the average temperature in the dustbin can be maintained at about 25 °C, which meets the constant temperature storage requirements of kitchen waste. [ABSTRACT FROM AUTHOR]

Copyright of Control Theory & Applications / Kongzhi Lilun Yu Yinyong is the property of Editorial Department of Control Theory & Applications and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Space-Integrated-Ground Information Networks is the property of Beijing Xintong Media Co., Ltd. and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Coal Science & Technology (0253-2336) is the property of Coal Science & Technology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Coal Science & Technology (0253-2336) is the property of Coal Science & Technology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Coal Science & Technology (0253-2336) is the property of Coal Science & Technology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Coal Science & Technology (0253-2336) is the property of Coal Science & Technology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Natural Gas Industry is the property of Natural Gas Industry Journal Agency and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Machine Tool & Hydraulics is the property of Guangzhou Mechanical Engineering Research Institute (GMERI) and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Railway Construction Technology is the property of Railway Construction Technology Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Steel Pipe is the property of Steel Pipe Magazine and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Power Generation Technology is the property of Power Generation Technology Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Focusing on the problem of energy-efficient operation of urban rail transit, an energy-efficient control strategy of urban rail transit based on Sarsa reinforcement learning algorithm is proposed. To achieve the driving strategy of reducing energy consumption while taking into account punctuality and comfort when the urban rail transit is in automatic driving mode and facing different road conditions, the running state of the train is discretized and the continuous driving process is divided into several subsections according to the line conditions. Combined with the speed limit, initial state and terminal state of the track, the appropriate reward functions are constructed based on energy consumption and running time. At the same time, the setting of optional speed is limited by the maximum speed and minimum speed that can be reached in the current state, which reduces the exploration space and accelerates the convergence of the algorithm. Finally, the simulation is carried out for the case of Xiaohongmen-Xiaocun Station on the Yizhuang Urban Rail Line in Beijing. The experimental results show that, compared with the traditional dynamic programming method, the Sarsa algorithm saves 9.32% energy while meeting the requirements of comfort and punctuality. Compared with the Q-learning algorithm in reinforcement learning, the number of overspeed also decreases significantly in the process of speed selection. Simulation results show that the Sarsa algorithm has a better energy-saving effect and security. With the algorithm parameters unchanged, the speed limit conditions are adjusted, and compared with the traditional dynamic programming method again, it still saves 4.21% energy, which verifies the robustness of the algorithm. [ABSTRACT FROM AUTHOR]

Copyright of Petroleum Geology & Oilfield Development in Daqing is the property of Editorial Department of Petroleum Geology & Oilfield Development in Daqing and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

[Background and Objective] In order to overcome the difficulty about laying electric wires in the field and realize unmanned filed irrigation, improving the intellectualization and precision of irrigation in rice planting area in Anhui Province and exploring the feasibility of intelligent control of irrigation sluice by using new generation electronic information technology would be carried out in the research. [Method] An intelligent irrigation control system based on AT89S52 single chip computer was designed in this paper, which included integrated lifting sluice, irrigation hardware subsystem and irrigation software subsystem. The gate of the sluice was adopted integrated design, which was integrated central processing unit module, sensor sensing module and solar power supply module based on AT89S52 MCU. Keil C developed the control software for the terminal of the gate, and the upper computer control software of the system was developed by C++. [Result] The application test showed that the automatic control response time of the motor was less than 1 s, the gate of the sluice opening control error was less than 1.5 mm, the water level control error was less than 8 mm, the maximum packet loss rate of data transmission was 0.11%, the calculation error of free discharge flow was less than 1%, and that of submerged outflow flow was less than 1.2%. [Conclusion] This system run safely and stably, and could meet the requirement of intelligent and precise water use in the complex environment of field irrigation of rice planting area. [ABSTRACT FROM AUTHOR]

Copyright of Piezoelectrics & Acoustooptics is the property of Piezoelectric & Acoustooptic and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Machine Tool & Hydraulics is the property of Guangzhou Mechanical Engineering Research Institute (GMERI) and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Harbin University of Science & Technology is the property of Journal of Harbin University of Science & Technology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Foundry Technology (1000-8365) is the property of Foundry Technology Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Aiming at the problems of multi-AGV (automated guided vehicle) path planning in intelligent warehouse, such as poor real-time performance, weak obstacle recognition ability, multi-AGV collision, deadlock and congestion, a collaborative control method for intelligent warehouse traffic signals control and multi-AGV path planning is proposed. Traffic signals and multi-AGV path planning are regarded as a whole in this method. A collaborative control framework for traffic signals and multi-AGV path planning is designed. The LS-A3C (long short-asynchronous advantage actor-critic) algorithm and Bi-LSTM-CBAM (bi-long short-term memory-convolutional block attention module) algorithm are proposed as the core algorithm of the framework. The long-term and short-term information of traffic signals are encoded in LS-A3C algorithm, which uses a long short-term encoder and attention mechanism. They are represented by learning cell features. The A3C framework is used to calculate the Q value of the cell and the control strategy. The traffic signals time adapting to AGV flow is adjusted to solve the problems of multi-AGV collision, deadlock and congestion. The output result is spliced by calculating the state characteristics of the present moment and the leading moment in Bi-LSTM-CBAM algorithm to solve the problem of gradient disappearance and explosion in neural network effectively and improve real-time AGV path planning. The attention mechanism module CBAM is introduced. Weights are assigned based on how important the input is in order to strengthen the AGV's ability to identify obstacles. Finally, simulation experiments are carried out on Sumo and Gazebo joint simulation platform. The experimental results show that the collaborative control method significantly reduces the AGV collision, deadlock and congestion, significantly improves the obstacle recognition ability, and greatly enhances the real-time path planning. The purpose of improving the AGV operation efficiency is achieved. [ABSTRACT FROM AUTHOR]

Based on the systematic study of digital construction of assembled bridges, an overall system of digital construction of the whole process of assembled bridges based on BIM + GIS + IoT is proposed. The digital construction process is divided into four stages, including the three-dimensional design, digital production, intelligent transportation and intelligent assembly. The three-dimensional design of assembled bridges is carried out through fine BIM modeling. The digital production concept and component complete production process are applied to the factory production of prefabricated components of assembled bridges. The intelligent transportation body with GIS and IoT as the core is used to provide intelligent transportation control of the whole process of components. Based on IoT intelligent assembly, this research supports realizing the digital construction of prefabricated bridges in the field of bridge engineering. [ABSTRACT FROM AUTHOR]

To improve the stability and tracking accuracy of intelligent driving vehicle tracking controller, a lateral tracking control strategy based on LQR control algorithm and driver preview model is proposed, and combined with the longitudinal PID control algorithm to achieve lateral and longitudinal control. Firstly, a LQR controller with feed-forward is established, and the weight parameters of the LQR controller are optimized by gradient descent optimization algorithm. On this basis, the preview model of the driver is introduced, and an adaptive controller for preview distance based on experience is designed. Secondly, dual PID longitudinal controllers are established for velocity control. Finally, the test verification is carried out through Carsim and Matlab/Simulink joint simulation and real vehicle. The results show that the maximum lateral deviation of simulation is less than 0.035 m, the maximum heading deviation is less than 0. 09 rad, the overall trend of the planned trajectory can also be well followed under real vehicle test conditions, and the front wheel rotation angle and yaw rate change smoothly. The controller can ensure high-precision and smooth trajectory tracking, and it is more obvious at high velocity. [ABSTRACT FROM AUTHOR]

The traditional safety protection measures for railway crossings can no longer meet the current development needs due to their low efficiency, high cost and potential safety hazards. To meet this challenge, this paper proposes an innovative intelligent centralized control system based on wireless communication for early warning of railway crossings, which aims to guarantee the life and property safety of the staff and traffic participants at railway crossings. The LoRa long-range radiofrequency communication technology, OpenMV-based vehicle and pedestrian target recognition technology and computer based interlocking technology are combined to design a low-power, easy-to-deploy remote centralized management system for unattended railway crossings, which can improve the efficiency of railway operation, and enhance the safety of railway transport. [ABSTRACT FROM AUTHOR]

[Objective] Compound attitude control based on aerodynamic, thrust vector, direct force, and other manipulation structures is a hot research topic in modern aeronautics and astronautics. Additionally, improving the tracking ability of the system under high altitude and low aerodynamic efficiency is essential. To simplify the design, direct force is generally regarded as a continuous control variable in the study of compound attitude control for aircraft, which is different from the actual discrete engineering characteristics. In view of the large gap between direct force continuous processing and actual engineering characteristics, this study proposes control system construction and control parameter optimization methods based on the discrete characteristics of direct force. [Methods] First, based on the operational characteristics of each manipulation structure, a pulse modulator, which embodies the discrete characteristics of direct force, is used to construct the framework of the attitude control system. The Simulink simulation model of the compound aircraft attitude control system is constructed using MATLAB software according to the designed control system structure and the mathematical model of each link. Second, given the complex characteristics of nonlinear, strong coupling, and multiconstraints for the compound control system, the Particle Swarm Optimization (PSO) algorithm is adopted to optimize the control law and control assignment parameters based on the algorithm framework of intelligent control and intelligent distribution laws. Thus, an intelligent control system is constructed. Third, the research method for intelligent control problems is explained through digital simulation from three aspects: control algorithm, PSO algorithm parameters, and aircraft system parameters. [Results] The simulation results show that the proposed method greatly improves the control performance of the attitude-tracking problem, including steady-state error, rise time, adjustment time, and overshoot. It is obviously superior to the traditional PID control method in terms of tracking precision, speed, and security. Additionally, it is beneficial to overcome the difficulty of adjusting the control parameters caused by the change in the flight parameters. The proposed system can adapt to real-time changes in the flight environment and state, effectively exert the control efficiency of each executing agency, and improve the adaptive control ability of the system. Finally, based on the above research achievements, the experimental system for intelligent aircraft attitude control is designed and developed. This system is applied to the practical teaching of intelligent control theory and process control systems. It can also be used to strengthen students' understanding of the application and innovation of intelligent control theory in actual engineering problems from the aspects of attitude control principle, control structure design, mathematical model building, intelligent control algorithm design and implementation, and algorithm research. [Conclusions] This experimental system combines the engineering problems of aircraft attitude control with experimental teaching. By guiding students to project-based learning independently, it stimulates their interest in learning, effectively improves their ability to combine theory with practice, helps them to master scientific research methods, and cultivates and promotes students' practical and innovative abilities. In this way, an independent and open experimental research platform for the practical teaching of intelligent control courses and the cultivation of innovative talents is provided. [ABSTRACT FROM AUTHOR]

Copyright of Oil Drilling & Production Technology / Shiyou Zuancai Gongyi is the property of Shiyou Zuancai Gongyi Bianjibu and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Oil Drilling & Production Technology / Shiyou Zuancai Gongyi is the property of Shiyou Zuancai Gongyi Bianjibu and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

In view of the characteristics of a domestic concentrator s nickel flotation process, including unstable ore quality, large fluctuation of concentrate grade and unsatisfactory recovery rate. Combined with the current situation of incomplete testing equipment) long testing cycles, and high costs in the flotation production site; an intelligent control system for flotation process based on grade prediction model was designed. After the system was put into operation the stability of foam flow rate was significantly improved and the fluctuation of concentrate grade was significantly reduced, which proved the practicability of the system. [ABSTRACT FROM AUTHOR]

The motor actuator used in circuit breaker has the advantages of simple structure, small dispersal of action and strong controllability, which provides the possibility for the switch contact of circuit breaker to follow the preset reference curve. The traditional control method can not adjust the parameters according to the movement process of circuit breaker switch contact, and the following is poor, and the intelligent control algorithm is complicated in calculation, affects the rapidity of control system, and is extremely difficult to implement in engineering. A piecewise pseudo-differential control strategy was presented, which avoids direct differentiation of the controlled variables and has the ability of fast dynamic response and anti-interference. Meanwhile, the control system parameters were given according to the segmented environment to ensure the following accuracy. The control strategy model was established for simulation analysis, and the 126 kV circuit breaker motor actuator control system was developed for experimental verification. The simulation and experimental results show the effectiveness of the control strategy. [ABSTRACT FROM AUTHOR]

Copyright of Cotton Textile Technology is the property of Cotton Textile Technology Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Polyacrylamide (PAM)-glycerol (Gly)-lithium chloride (LiCl) hydrogel was prepared by salt solution immersion method, using PAM as the hydrogel matrix, Gly as the moisturizing factor and LiCl as the water absorption factor. The structure and performance of the hydrogel were characterized by scanning electron microscope, energy dispersive spectrometer, X-ray photoelectron spectrometer, Fourier infrared spectrometer, etc. Meanwhile, the effect of its application in a portable cigar moisturizing bag on the regulation of micro environment humidity was explored. The results showed that the PAM-Gly-LiCl hydrogel possessed excellent transparency and mechanical properties, with light transmittance of 90%, the maximum compression strain of 41%, compression strength of 1. 1 MPa, elongation breaking rate of 1100% and breaking strength of 0. 25 MPa. The hydrogel also displayed excellent water retention and humidity control performance. Owing to a high proportion of combined water, it could stably realize the humidity control process under different humidity environmental conditions. The humidity control range was 25%-95% of the relative humidity and kept for 500 h. The hydrogel could be applied to design as a portable cigar moisturizing bag. It could quickly sense changes in environmental humidity and make intelligent responses, stabilizing the microenvironment relative humidity inside the bag at around 65% and maintaining it for more than a week. [ABSTRACT FROM AUTHOR]

This paper proposes a controller synthesis method based on matrix transformation and integer linear programming to address the problem of forbidden state controller design for Petri net systems with uncontrollable transitions. The key idea behind this method involves transforming generalized mutual exclusion constraints (GMEC) that represent the legal states of a Petri net system. Based on the incidence matrix of a Petri net, it divides the set of places into irrelevant places, uncontrollable places, and complementary places. By modifying the weights of complementary places and uncontrollable places in the given GMEC, it then converts the given GMEC into an allowable one by solving integer linear programming problems. Using the allowable GMEC, this paper designs a structural controller for Petri nets based on the principle of place invariants. Finally, it takes a part processing system as an example to show that the application is versatile and efficient, offering an effective solution for the controller design of intelligent manufacturing systems. [ABSTRACT FROM AUTHOR]

Copyright of Rolling Stock (1002-7602) is the property of Rolling Stock Editorial Office and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

How to utilize new combat forces represented by offensive unmanned aerial vehicle (UAV) to enhance combat effectiveness is one of the focuses of intelligent and unmanned warfare research. This article is based on the key technology of UAV intelligent attack using multi-agent game reinforcement learning, as well as the basic concept of Markov random games. A model for generating UAV intelligent attack strategies based on multi-agent game reinforcement learning is established, and an optimization method is proposed using the "trembling hand perfect" idea in the game theory to improve the strategy model. Simulation experiments show that the optimized algorithm has improved the original algorithm, and the trained model can generate various real-time attack tactics, which has strong practical significance for intelligent command and control. [ABSTRACT FROM AUTHOR]

Copyright of Journal of Mine Automation is the property of Industry & Mine Automation Editorial Department and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Coal Geology & Exploration is the property of Xian Research Institute of China Coal Research Institute and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Light is one of the most important influencing factors on plant growth. Light environments have also a significant impact on plant growth and development. In the absence of natural light, crops in many areas can suffer from long harvest cycles, low yields and poor quality. Fortunately, light-supplementation devices have been invented to supplement the light for the crops. Among them, the light-emitting diodes (LEDs) have been the main light source for the plant-filling light. But the conventional LEDs can not fully meet large-scale production in recent years, due to the limited lighting range, low efficiency of electricity-light exchange, high cost of line installation, and limited usage environment of light filler for plants. It is particularly important to develop a new light source for plant filling. Compared with the commonly used light sources, laser can be expected to the strong directionality, excellent monochromaticity, strong coherence, and high brightness. Moreover, lasers have been widely used in various scientific and technological fields in the past few decades, such as medicine, material processing, and communications. The lasers can also be used to improve the germination rate and the quality of seeds for the better growth and development of plants, even to delay the decay of plant fruits. In this study, the laser diode (LD) was selected as the light source of the fill light device, in order to design a plant light filler with the intelligent laser. The light source module was used as 35 LDs with wavelengths of 450 nm (blue light) and 660 nm (red light). A heat sink was also designed with the aluminum alloy, in order to ensure the output power and wavelength. The reason was that the LDs generated high heat when working for a long time. The laser driver circuit achieved the adjustable LD drive current, that is, the output power of LD was adjustable. The light intensities of red and blue lights were adjusted to set the light-matching ratio. The laser plant light filler was tested using an adjustable direct current (DC) regulator with a voltage of 24 V, a current of 1.6 A, and a power of 38 W. The photosynthetic photon flux density (PPFD) of the laser plant light filler was measured using a sensor for a total of 16 tests, with an average value of about 55 μmol/(m²·s). An experimental and the control group were set with the "Red Face strawberry" as the subject of the supplemental light test. The control group received the natural light, while the experimental group received the laser supplemental light of 80 cm above the strawberries for 4 hours from 06:00 pm to 10:00 pm every day until the strawberry fruits ripened. Twelve strawberries were randomly selected from the experimental and control groups and then examined for the leaf thickness, chlorophyll content, fruit firmness and sugar content. The results show that the leaf thickness and chlorophyll content of the plant increased by 6.6% and 10.5%, respectively; and the hardness and sugar content were significantly improved by 20.2% and 15.5%, respectively, compared with the natural light. The light-supplementation device can be expected to promote the growth, development and quality of fruits, particularly on the precise adjustment and uniform light output. The compact structure and fine waterproof properties can greatly contribute to the field of plant light in agricultural modernization. [ABSTRACT FROM AUTHOR]

Copyright of Machine Tool & Hydraulics is the property of Guangzhou Mechanical Engineering Research Institute (GMERI) and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

The offshore installation of traditional caissons generally relied on traditional manual operations and construction experience, and the application degree of informatization, intelligence and big data was relatively low, and the factors such as long offshore operations, intensive personnel, and fatigue operations had a great impact on safety and quality. Aiming at the high risk points of traditional caisson shipment and installation, taking the No.9 and No.10 automated container berths project in Dalanping South Operation of Qinzhou Port as an example, an innovative technology for unmanned operation of large caisson shipment and installation accuracy and intelligent control of installation accuracy was proposed. The field implementation results show that the large caisson intelligent installation technology effectively solves the key issues of traditional caisson installation quality, safety and economy, and is the future development direction of caisson installation construction, and has high engineering practical significance, which can be promoted and applied in similar projects. [ABSTRACT FROM AUTHOR]

In response to the new characteristics of safety risk management in the context of intelligent mining, this study designs a framework for an intelligent comprehensive control system for safety risk in underground gold mines, based on a comprehensive analysis of the functional requirements of the system, The intelligent elements of safety risk management within the system are analyzed, and the data interaction methods of the system are planned, By leveraging machine vision, Internet of Things (IoT), and intelligent identification technologies, the acquisition and standardized processing of key data such as personnel and equipment are realized within the system, This ultimately leads to the construction of a safety risk control system for underground gold mines and the integration of human-machine-environment management functionalities, The implementation and application of the system significantly enhance the standardization, informatization, and intelligence level of safety risk management in the mining industry, demonstrating considerable value for promotion and application in the field, [ABSTRACT FROM AUTHOR]

Based on Qingdao Line 6 project, this paper proposes a fusion technology of signal and vehicle, which redefines the boundary of signal and vehicle. With the goal of "safety, reliability, efficiency, convenience, green and environmental protection", it focuses on the intelligent upgrading of rail vehicles and on-board core systems, and constructs an integrated solution of intelligent train control. The fusion system includes the following functions and optimization: single vehicle and multi-vehicle energy-saving operation control function; integrated intelligent vehicle control optimization; integrated full-automatic coupling and uncoupling function; real-time tracking and guiding function of passenger capacity; integrated intelligent self-test function. This paper introduces the design and implementation of the fusion control technology of urban rail transit signal and vehicle in detail. [ABSTRACT FROM AUTHOR]

Copyright of Journal of Mine Automation is the property of Industry & Mine Automation Editorial Department and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Mine Automation is the property of Industry & Mine Automation Editorial Department and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Mine Automation is the property of Industry & Mine Automation Editorial Department and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Mine Automation is the property of Industry & Mine Automation Editorial Department and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Coal Geology & Exploration is the property of Xian Research Institute of China Coal Research Institute and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Coal Geology & Exploration is the property of Xian Research Institute of China Coal Research Institute and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)