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首页> 外文会议>International Conference on Electrical, Control and Automation Engineering >Current Hysteresis Control of High Step-up Current-fed DC-DC Converter for Haptic Application
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Current Hysteresis Control of High Step-up Current-fed DC-DC Converter for Haptic Application

机译：电流滞后控制触觉应用的高升压电流馈电DC-DC转换器

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摘要

The steady accuracy of output waveforms is a core index for judging the performance of DC-DC converter and it is mainly determined by the control scheme of DC-DC converter. This paper studied a PWM current hysteresis control scheme to improve the performance of the high step-up current-fed DC-DC converter proposed in our previous work. This control scheme treated the currents of two input inductors as control quantities, and treated the error between the practical and theoretical output voltage as feedback quantity. It calculated the reference current of input inductor by collecting the output voltage and current of the DC-DC converter, and adjusted the hysteresis band width in real time. A control system including the DC-DC converter and the current hysteresis control circuit has been presented and evaluated. The simulation results demonstrates its easy-implementation, fast response, and high steady accuracy of 97%.
机译：输出波形的稳定精度是用于判断DC-DC转换器性能的核心指标，主要由DC-DC转换器的控制方案决定。本文研究了PWM电流滞后控制方案，提高了我们以前的工作中提出的高升压电流馈电DC-DC转换器的性能。该控制方案将两个输入电感器的电流视为控制量，并将实际和理论输出电压之间的误差视为反馈量。它通过收集DC-DC转换器的输出电压和电流来计算输入电感器的参考电流，并实时调整滞后带宽。已经提出和评估了包括DC-DC转换器和电流滞后控制电路的控制系统。仿真结果表明其易于实施，快速响应，高稳态精度为97％。

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