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42. MEMS optical switches.

Author

Li Fan, Husain, A., Dobblelaere, P.D., Gloeckner, S., Patra, S., Gutierrez, S., Marchand, P., King, C., Yeh, T., Loke, Y., Hartman, J., and Gritters, J.

Published
2001
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49. A low cost presence detection system for smart homes

Author

Arturo Acero, Aime Lay-Ekuakille, Sebastian Gutierrez, Jeronimo Alvarez, Pedro M. Rodrigo, Alvarez, J., Acero, A., Gutierrez, S., Rodrigo, P. M., and Lay-Ekuakille, A.

Subjects
0209 industrial biotechnology, smart home, business.industry, Emerging technologies, Computer science, blynk, system integration, 020206 networking & telecommunications, 02 engineering and technology, Automation, PIR sensor, 020901 industrial engineering & automation, Software, Air conditioning, Order (business), Home automation, Embedded system, home automation, 0202 electrical engineering, electronic engineering, information engineering, Task analysis, internet of thing (IoT), System integration, business
Abstract

In a world where people aim to achieve as most comfort as possible, new technologies have been developed in order to make their lives easier. Home automation is an area with many opportunities, which is emerging as a complement to the conventional use of electronic equipment like lighting accessories, air conditioning systems or even curtains, which allow a degree of independence by incorporating sensor equipment, aiming for efficiency and smart performance. A low-cost smart person detection system is presented, with the implementation of a PIR sensor and its connection through an app called Blynk, which allows the user to receive notifications every time the sensor detects presence.

Published
2018
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50. Use of automated blinds in smart buildings for energy savings: A mexican case

Author

Aime Lay-Ekuakille, Jeronimo Alvarez, Ramiro Velazquez, Sebastian Gutierrez, Gutierrez, S, Alvarez, J, Velazquez, R, and Lay-Ekuakille, A

Subjects
Mode (computer interface), Computer science, business.industry, Logical conjunction, Electric potential energy, Energy mix, Energy consumption, Architecture, Smart buildings, greenhouse effects, energy, business, Automation, Automotive engineering, Building automation
Abstract

The aim of this paper is to demonstrate the saving of electrical energy and therefore the reduction of greenhouse gas emissions (GHG) in smart spaces. Such saving was achieved through an automated system of blinds or curtains that allow the entrance of natural light into a room of a building. The paper discusses the advantages of using an automated system in comparison to a conventional or mechanical one. The prototype system makes use of a logical and electromechanical architecture for its operation. The automation of this system seeks to maintain a level of comfort and adequate lighting based on the Mexican normative (NOM-025-STPS-2008) of the Ministry of Labor and Social Welfare. The system has three operating modes: manual, automatic, and programmed. In manual mode, the user can adjust the level (height) of the blinds according to a specific need. In the automatic mode, the user establishes a required set point of illumination and, through a photo-resistance module, the system seeks to reach such illumination level. In the programmed mode and upon the use of a calendar, the user decides the opening percentage of the blinds throughout the day and the week. In this paper, energy and emissions have been calculated based on the 2017 Mexican energy mix.

Published
2017
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