The double steps external characteristic of the welding rectifier is realized by closed loop feedback and PID arithmetic.
通过闭环反馈及PID算法实现了焊机的双阶梯形外特性。
Results show that the digital PID arithmetic is flexible, high precision and easy integration compared with analog arithmetic.
结果表明，数字PID算法和模拟算法相比，具有控制灵活、精度高、易于高度集成化等优点。
The conclusion shows that the digital PID arithmetic is flexible in control, high in precision and easy in high integration compared with analog arithmetic.
结论表明数字PID算法和模拟算法相比，具有控制灵活、精度高、易于高度集成化等优点。
We adopt traditional PID arithmetic to control current loop, and we adopt fuzzy control arithmetic to control rev loop, for rev loop is affected by many kinds of linear factors.
而对其中的电流环采用传统的PID算法控制，对于转速环，由于转速受多种非线性因素的影响，因而采用模糊控制算法。
According to the problem resulted from the notable nonlinear of SRD, we adopt a fuzzy self-tuning PID arithmetic in the system, and discuss its realization of software and hardware.
针对SRD具有显著的非线性，系统采用模糊自适应整定PID控制算法，并且讨论了其软、硬件的实现方法。
The system is made up of semiconductor cooler (TEC, thermal electrical cooler) which is controlled by a PC with PID arithmetic. And use the duty ratio of PWM to control the output power of TEC.
该系统使用PC机作为控制平台，采用自整定PID算法，调节输出pwm波的占空比来控制半导体制冷器的输出功率。
Model deducing of the temperature system, research and analysis of PID arithmetic based on the model are given. Furthermore, I deduce the describing function of a series of non-linear integrator.
对温箱系统进行模型推导，并参照温箱模型通过仿真及理论分析对PID控制算法进行研究，且推导了一类非线性积分控制器的描述函数。
Model deducing of the temperature system, research and analysis of PID arithmetic based on the model are given. Furthermore, I deduce the describing function of a series of non-linear integrator.
对温箱系统进行模型推导，并参照温箱模型通过仿真及理论分析对PID控制算法进行研究，且推导了一类非线性积分控制器的描述函数。
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