In order to solve the problem mentioned above, a novel design which combines three phase fourlegs inverter, repetitive controller and PI double loop control.
本文将三相四桥臂逆变器与重复控制技术、PI双闭环控制相结合，满足了非线性不平衡负载的要求。
The double close loops of speed and current control is introduced in the system and the PI control is implemented in the current and speed loop, the position of rotor pole is detected by hall element.
系统采用电流、速度双闭环控制，电流、速度的调节采用PI调节，转子磁极位置通过霍尔元件检测。
The paper makes experimental research for its designing scheme of double close-loop control based on fuzzy self-tuning PI.
并且对模糊自整定PI双闭环控制设计方案进行了实验研究。
The software comes true the double closed loop regulator, therein the velocity loop is the variable-structure control, and the current loop is the classical PI control.
软件实现了调速系统的双闭环调节，其中速度环采用滑模变结构控制，电流环则是经典的PI控制。试验结果说明该调整系统有较好的动态和静态性能。
In the double loop of control system, a PI speed controller is adopted in the speed loop, and a vector controller is used in the current loop.
控制系统采用双环控制，速度环采用PI转速控制，电流环采用矢量控制。
In the double loop of control system, a PI speed controller is adopted in the speed loop, and a vector controller is used in the current loop.
控制系统采用双环控制，速度环采用PI转速控制，电流环采用矢量控制。
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