Katsumi Hirai

A novel energy saving system for office lighting control by using RBFNN and PSO

Wa Si, Harutoshi Ogai, Tansheng Li et al. · 2013 · 17 citations

Illumination Modeling, Natural Illumination, Electrical Engineering +15

An improved PSO method for energy saving system of office lighting

Wa Si, Harutoshi Ogai, Katsumi Hirai et al. · Society of Instrument and Control Engineers of Japan · 2011 · 14 citations

Engineering, Energy-efficient Design, Energy Efficiency +16

Wireless radio communication system for a pipe inspection robot

Harutoshi Ogai, Kosuke Wada, Katsumi Hirai et al. · 2007 · 14 citations

Wireless Communications, Pipe Inspection Robot, Engineering +11

Drain pipe inspection robot using wireless communication system

Dongmei Wu, Harutoshi Ogai, Yi-Chun Yeh et al. · 2009 ICCAS-SICE · 2009 · 13 citations

Pipe Lines, Engineering, Drain Pipe +7

Pipe inspection robot using a wireless communication system

Dongmei Wu, Harutoshi Ogai, Yi-Chun Yeh et al. · Artificial Life and Robotics · 2009 · 10 citations

Pipe Inspection Robot, Engineering, Automation +5