7Yoichi Hori.Future Vehicle Driven by Electricity and Control-Research on Four-Wheel-Motored "UOT Electric March II"[J].IEEE Industrial Electronics,2004,51(5):954-962.
8Hiroaki Kataoka,Hideo Sado,Shin-Ichiro Sakai,Yoichi Hori.Op timal Slip Ratio Estimator for Traction Control System of Electric Vehicle Based on Fuzzy Inference[J].Electric Engineering in Japan,2001,135(3):56.