Title:
DRIVE CONTROLLER FOR ELECTRIC CAR
Document Type and Number:
Japanese Patent JP3451848
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To enhance run stability of a motor vehicle by correcting a torque command value based on acceleration or angular acceleration when steering characteristics indicate a tendency of deviating from neutral steering.
SOLUTION: An acceleration dimensional error processing section 124 has a body speed processing section 128, a model lateral acceleration processing section 130 and an adder 132, and a slip rate processing section 126 has a right rear wheel slip rate processing section 134 and a left rear wheel slip rate processing section 136. And a body speed processing section 128 determines the body speed VS required when determining a model lateral acceleration Vγ* and slip rates SR and SL and a model lateral acceleration processing section 130 determines Vγ*. Also, the adder 132 decreases front and rear acceleration Gy from Vγ*, determines an error information E having the dimensions of yawing angular acceleration, supplies the results to a feedback torque processing section 122, and a right rear wheel slip rate processing section 134 and a left rear wheel slip rate processing section 136 determine the SR and SL by calculations and supply the results to the feedback torque processing section. As a result, the running safety can be enhanced.
Inventors:
Kenzo Okuda
Ryoji Mizutani
Ryoji Mizutani
Application Number:
JP23896196A
Publication Date:
September 29, 2003
Filing Date:
September 10, 1996
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
B60K7/00; B60L3/00; B60L15/00; B60L15/20; (IPC1-7): B60L15/20; B60L3/00; B60L15/00
Domestic Patent References:
| JP5176418A | ||||
| JP2283555A | ||||
| JP7298418A | ||||
| JP6335115A | ||||
| JP5328542A | ||||
| JP7117645A | ||||
| JP7223526A | ||||
| JP2262472A |
Attorney, Agent or Firm:
Kenji Yoshida (1 person outside)