提出了数字电液比例系统的数学模型及控制规律，并进行了计算机仿真及实验验证。
Mathematical model and control law of the digital electro hydraulic proportion system are put forward. Furthermore, computing simulation and experimental verification are carried out.
船舶主机的调速器主要采用比例积分微分(PID)控制规律。
Most of speed controllers of main engine in ship use PID control method.
根据极地轨道地磁场变化的特性，利用卫星的姿态角和姿态角速率作为反馈信号，提出了一种采用磁力矩器的比例微分(PD)控制规律设计方法。
Taking into account properties of the geomagnetic field, a new PD magnetic control law using the feedback information of attitude Angle and attitude rate is developed.
在参考自动驾驶仪控制方案的基础上，给出了稳定回路的控制规律和自动导引系统的导引规律，并说明了用计算机实现前置比例导引规律的方法。
On the basis of control scheme of autopilot, control law of stable loop and guidance law of automatic guidance system are given. Moreover, pro-proportional guidance law is realized by computer.
本文提出一类非线性比例积分控制规律，理论分析和应用结果表明，它能显著改善控制系统的静态和动态性能。
A kind of nonlinear PI controller is presented in this paper. The theory analysis and experiment result prove that the nPI can improve static and dynamic characteristics of control system obviously.
本文提出一类非线性比例积分控制规律，理论分析和应用结果表明，它能显著改善控制系统的静态和动态性能。
A kind of nonlinear PI controller is presented in this paper. The theory analysis and experiment result prove that the nPI can improve static and dynamic characteristics of control system obviously.
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