The stability loop uses the PI control algorithm, which can improve the system type and reduce the steady-state error.
稳定回路采用PI控制算法，以提高系统的型别，减小稳态误差；
The PI observer has two feedback loops, a proportional loop and an integral loop of the estimation error; in this way, the PI observer can estimate not only the states but also the unknown inputs.
该观测器包含有估计误差的比例和积分回路，可同时得到状态和未知输入估计。
It can research PWM regulating speed. In the system, voltage feedback instead of speed feedback, PI regulating no steady-state error. So it has a good dynamic and steady performance.
该调速系统以电压负反馈代替转速反馈，形成闭环控制，以比例积分调节器实现无静差调速，具有良好的性能。
So it not only achieves the real-time feedback and the regulation of speed but also eliminate the static error of speed due to the integral action of PI regulator when the system is in a steady state.
这样不仅可以做到速度的实时反馈和调整，而且由于PI调节器的积分作用，可以使系统在稳态时做到速度无静差。
The proposed recursive integral PI algorithm can also be applied to the control of periodic reference current with zero steady-state error, such as sin AC drive control.
所提出的模糊递推积分PI控制算法还可以对周期性的被控量实现无静差控制，如交流电机的闭环控制。
The proposed recursive integral PI algorithm can also be applied to the control of periodic reference current with zero steady-state error, such as sin AC drive control.
所提出的模糊递推积分PI控制算法还可以对周期性的被控量实现无静差控制，如交流电机的闭环控制。
应用推荐