Kiprop Eliud

Graduate school of Engineering, Ashikaga Institute of Technology, Ashikaga City, Japan

Nicholas M. Musembi

Graduate school of Engineering, Ashikaga Institute of Technology, Ashikaga City, Japan

Dickson Kindole

Graduate school of Engineering, Ashikaga Institute of Technology, Ashikaga City, Japan

Alfred Mukama

Graduate school of Engineering, Ashikaga Institute of Technology, Ashikaga City, Japan

Sam K. Kosgei

Graduate school of Engineering, Ashikaga Institute of Technology, Ashikaga City, Japan

Yasuyuki Nemoto

Division of Renewable Energy and Environment, Ashikaga Institute of Technology, Ashikaga City, Japan

Yuichi Nakajo

Division of Renewable Energy and Environment, Ashikaga Institute of Technology, Ashikaga City, Japan