Evenson, McKeown, Edwards & Lenahan, P.L.L.C.
Control equipment for electric vehicle and control method thereof
 A control equipment for controlling a current to the motor provided in an electric vehicle is disclosed. The control equipment has a motor torque control means for inputting the motor speed No and the motor current, and generating an inverter drive signal to control the torque of the motor, a notch filter for eliminating the mechanical resonance frequency; and a torque command generating means for generating the torque command. The control equipment for an electric vehicle is not influenced by the mechanical vibration of the electric vehicle, can generate the accurate motor torque command, and can execute the stable running control. 
Hitachi Automotive Engineering Co., Ltd. Hitachi Ltd.
Y Y B
Y02T Y02T B60L
additional additional inventional
Sanshiro Nobunori Ryoso Hiroyuki
Obara Matsudaira Masaki Yamada