Derivates the transfer function of elements of the servo system, constructed the mathematic model of the position servo system and advance-lag revising controller was designed.
推导出液压伺服系统各元件的传递函数，并由此建立起位置伺服系统的数学模型，设计出超前—滞后校正控制器。
Through reform the modulating function of the winding to set up the mathematic model, by which it analyses and calculate the layer coefficient, quadrature error, electrical error.
通过改造绕组调制函数所建立的数学模型分析计算绕组的分层系数、正交误差和电气误差。
A mathematic model with a target function of minimum power consumption and the optimal design of the parameters of a scraper conveyor shown as a practical example are given.
建立了以消耗功率最小为目标函数的数学模型，并结合实例进行了刮板输送机参数的优化设计。
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