According to the non-linear mapping relations between PID controller each control variable and error, design non-linear PID controller.
根据PID控制器各控制参数与偏差之间的非线性映射关系，设计非线性PID控制器。
This paper is devoted to discussion of a new control method based on the combination of fuzzy control and improved PID control, after simplifying the non-linear systems at its equilibrium point.
对一类非线性系统进行简化处理，将系统在平衡点处进行线性处理，在此基础上提出了一种基于模糊控制与改进型PID控制的混合控制算法。
Advanced PID has better control effect than general PID for complicated non-linear systems' regulation.
先进的PID对于复杂的非线性系统的调节控制具有比常规pid更好的控制效果。
Permanent magnet synchronous motor is a multi-variable, non-linear and strong-coupling system, the traditional PID control is not effective.
永磁同步电机是一个多变量、非线性、强耦合的系统，传统PID速度控制效果不理想。
To overcome the mismatch, with the backward, non-linear characteristics of temperature control of dope production, the paper introduces the predictive controls based on the neural network PID.
为了克服这种不协调现象，针对涂料生产线中温度控制大滞后、非线性等特点，本文在神经网络PID控制的基础上，引入预测控制思想。
Hydropower generating units are a non-linear and time-varying system. Conventional PID control can't reach the ideal control results.
水力发电机组是一个非线性、时变系统，常规pid控制不能达到理想的控制效果。
However, the actual production process is often non-linear, time-varying uncertainty, the application of conventional PID control can not achieve the desired control effect.
然而，实际的生产过程也往往具有非线性、时变不确定性，应用常规pid控制不能达到理想的控制效果。
However, since the Permanent Magnet BLDCM speed regulating system is a non-linear Multivariable time-varying one, traditional PID control methodology can not be utilized with good performance.
然而永磁无刷直流电动机调速系统是一个非线性、多变量、时变系统，采用传统的PID控制方法进行控制，难以达到良好的控制效果。
Firstly, it is the variable parameter PID which is able to adjust PID parameters online to improve the control performance through non-linear function according to the bias;
第一种，引入非线性函数根据偏差大小在线调节PID参数来提高控制性能的变参数PID；
Firstly, it is the variable parameter PID which is able to adjust PID parameters online to improve the control performance through non-linear function according to the bias;
第一种，引入非线性函数根据偏差大小在线调节PID参数来提高控制性能的变参数PID；
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