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1. The control system included two loops: an outer voltage loop and an inner current one which operated in peak-current control mode.

2. The dissertation builds up computer simulating model of voltage loop control.

3. The paper proposes a PFC voltage loop simulation model based on system modelling method.

4. A voltage loop control system was designed and implemented based on DSP.

5. For the control input, multiplier, voltage loop and current loop included in control unit for UC3854, the detailed analyses are given and the traditional design methods are presented.

6. This system contains inside three loops as voltage loop, current loop and velocity loop, the outside loop is tension one.

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7. The whole control unit is divided into the voltage loop control and the current loop control.

8. Three soft start-up technique for voltage loop are compared with each other, which are the reference of DC bus voltage gradually increasing, constant charging current and different PI modulation.

9. Hybrid control strategy combining digital PID control and repetitive control is applied in the external voltage loop to achieve less waveform distortion and better dynamic performance.

10. The two parts both adopt double loop PWM control mode which consists of outer voltage loop and inner current loop.

11. Three loop configuration for whole control system is built: the grid current loop, Z-Source capacitance voltage loop and PV array output voltage loop.

12. This paper completes the design of the compensator in voltage loop with peak - current mode control.

13. Due to the particular load characteristic, both the current loop and voltage loop control circuits are devised.

14. In order to meet the the following performance and immunity, design PI controller of voltage loop and current loop.

15. The ripple of the output voltage is decreased remarkably and the dynamic performances of the circuit are improved obviously due to the pulse compensation circuit and the optimized voltage loop.

16. Based on this model, the vector control is adopted using single voltage loop to control the system.

17. In this paper, the average current mode control of active power factor correction technique based on the average current control voltage loop, current loop mathematical model, the design ideas.

18. By using the synchronized sampling scheme, the output voltage feedback contains no ripple components and we can improve the voltage loop bandwidth compared with the conventional approaches.

19. The simulation studies and parameter optimizations are made for the voltage loop, pulse compensation circuit and the input filter respectively.

20. In response to this question, the improvement design of voltage loop wiring is give out.

21. This PFC was realized by employing sliding-mode variable-structure inner current loop control and outer voltage loop PI control with digital low-pass filter to achieve high performance.