Trend research of function, technique, price, appearance and compliment public facility of the personal electric autos, an exploration of its potential as an industry.
从功能、技术、价格、造型、配套公共设施等方面研究个人电动汽车的发展趋势，探索其行业的发展潜力。
Based on the double integrator model, a control strategy is designed by using potential function which is proposed from the perspective of electric potential.
在二次积分模型的基础上，采用了采用了势能函数进行控制设计，该势能函数是基于电势场的概念提出的。
The paper reports analytic expressions on the electric potential and field lines, and the non linear field expressions derived from the potential function.
推导了边界内电场势函数和力函数的解析表达式，以及非线性场表达式；
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