| 摘要 |
PURPOSE:To improve a steering characteristic in an electromobile equipped with each of its own drive motors in right and left front wheels. CONSTITUTION:A voltage signal of a car speed sensor 12 attached to both rear wheels 10, 11 is added, while an amplified positive voltage is imposed on a C point of a variable resistor 9, and a reversely amplified negative voltage is imposed on the B point. A slide part 9a of this variable resistor 9 is connected to a steering rod 8. This slide part 9a is situated in neutral at time of rectilinear advancing, and it slides in both directions in linkage with steering operation. A voltage signal at an A point is zero volt when the slide part 9a is in the neutral position, and if it slides to the B point side, it turns to the negative voltage and if sliding to the C point side, it turns to the positive voltage respectively, and the value is propotioned to a product of car speed and steering operation angle. Then, this voltage signal is added to an output voltage proportionate to accelerator opening. Such a voltage as added with the voltage signal is impressed on a drive motor on one side as it is, and the positive- negative reversed voltage signal is added to a drive motor on the other, through which each torque being produced in these drive left and right drive motors 3, 4 is controlled to the varied value. |
