实验证实，本文研究的控制算法既能提高系统的安全性同时也能满足转向的轻便性。

The safety and handiness are improved by the control algorithm according to the experiments.

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仿真结果表明，比例微分控制在提高转向轻便性的同时能改善系统的稳定性，抑制大助力比例系数下转向盘的振动。

The simulation result shows that proportion differential control can improve the system stability and steering portability, and inhibit the vibration of steering wheel with big power ratio.

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轻便而准确的操纵性得益于较轻的转向力和良好的动态响应。

Light and precise handling thanks to particularly low steering forces and direct response.

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