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22 results on '"Kajima, H."'

7. Multi-Locomotion Control of Biped Locomotion and Brachiation Robot.

Author

Thoma, M., Morari, M., Diehl, Moritz, Mombaur, Katja, Fukuda, T., Doi, M., Hasegawa, Y., and Kajima, H.

Abstract

This paper first introduces a multi-locomotion robot with high mobility and then proposes Passive Dynamic Autonomous Control (PDAC) for the comprehensive control method of multiple types of locomotion. PDAC is the method to take advantage of the robot inherent dynamics and to realize natural dynamic motion. We apply PDAC to a biped walk control. On the assumption that the sagittal and lateral motion can be separated and controlled individually, each motion is designed based on the given desired step-length and period. In order to stabilize walking, the landing position control according to the status is designed. In addition, a coupling method between these motions, which makes the period of each motion identical, is proposed. Finally, we show that the multi-locomotion robot realizes the 3-dimensional dynamic walking using the PDAC control. [ABSTRACT FROM AUTHOR]

Published
2006
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10. Natural History of Nevus of Ota

Author

Hidano, A., Kajima, H., Ikeda, S., Mizutani, Miyasato, H., and Niimura, M.

Abstract

A statistical study of 240 patients with nevus of Ota was carried out. The onset was before 1 year of age in 119 and after the age of 2 in 121. Onset between the ages of 1 and 11 years is distinctly rare. In type 3, 77% of the cases began before 1 year of age. Color is influenced by fatigue, menstruation, insomnia, and weather. The association of ocular and buccal melanosis and of Mongolian spots and blue nevus was discussed. Among 207 families, there were two familial incidences and 15 patients whose parents were related, but heredity was not suggested. No malignant change was observed. Clinical features in childhood, in adolescence, and in old age were described. Spontaneous regression did not occur. The clinical course in childhood was followed, and subtle changes of extent, tone, and intensity of color were observed. It was concluded that before 1 year of age pigmentation increases, and after the age of 2 it may show a regression.

Published
1967
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18. [Persistant mongolian spots in adults].

Author

Hidano A, Kajima H, and Ikeda S

Subjects
Adult, Female, Humans, Male, Middle Aged, Nevus, Pigmented complications, Pigmentation Disorders complications
Published
1965

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