本文提出了以功率消耗为目标函数、犁面几何参数的可行范围为约束条件的犁面优化设计方法。

This paper proposes an optimal method for plow bottom moldboard design by taking the power consumption of the objective and the feasible region of the geometric parameters for boundary constraints.

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提出了双目标模型中粒子的电荷和受力的计算公式，引导不可行粒子转化为满足约束条件的粒子；

The computational equations of the charge and force exerted on the particles are presented for the bi-objective model, which will lead the infeasible particles to transform into feasible ones.

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由于多层复形法全部优化过程都是在可行域内进行，所以得出的优化结果必然满足约束条件。

Due to multilayer complex method of the whole optimization procedure at feasible zone, the optimization can meet the condition of constraint.

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