| 摘要 |
<p>PURPOSE:To enable the constant speed running and the constant voltage running for improving the adhesive characteristics for the electric car by providing a constant speed running control system and a constant voltage control system in addition to a current control system and executing selection by a voltage/speed control mode switcher. CONSTITUTION:A voltage/speed setter VP/SP changes the running modes of the electric car by switching the voltage/speed mode switchers CS1 and CS2, and the two running modes can be controlled by the handle of the same master controller. A pattern generator PG generates a pattern voltage by setting the VP/SP. When the switchers CS1 and CS2 are switched to the voltage control mode, the control system as shown in the Figure is obtained. If the switchers are switched to the speed control mode, voltage/speed setter operates as a speed setter. Thus, driving of two modes, i.e., the constant voltage running mode and the constant speed running mode, which are the most desirable characteristics for the electric car, can be performed by one voltage/speed regulator.</p> |
