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    Design of Robust Digital PID Controller for H-Bridge Soft-Switching Boost Converter

    机译:H桥软开关升压转换器的鲁棒数字PID控制器设计

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    In this paper, a robust digital proportional–integral–derivative (PID) controller is proposed for the H-bridge soft-switching boost converter (HSBC). This digital PID controller is designed to ensure load voltage regulation as well as to give robust performance with step loads and source rejection. The mathematical models of the H-bridge boost converter are formulated, using the system identification tool, and then used in digital PID design. Here, this compensator is designed in the direct digital domain according to a pole placement approach that uses sensitivity function shaping in order to ensure closed-loop converter system stability as well as robust performance against converter parameter uncertainties. To confirm this, design simulations have been carried out on a 60-W 24–42-V HSBC. The experimental results are provided to validate the robust controller design concept.
    机译:本文针对H桥软开关升压转换器(HSBC)提出了一种鲁棒的数字比例积分微分(PID)控制器。该数字PID控制器旨在确保负载电压调节,并在阶跃负载和电源抑制下提供强大的性能。使用系统识别工具制定H桥升压转换器的数学模型,然后将其用于数字PID设计。在这里,该补偿器根据极点布置方法在直接数字域中设计,该方法使用灵敏度函数整形,以确保闭环转换器系统的稳定性以及针对转换器参数不确定性的鲁棒性能。为了证实这一点,已经在60W 24-42V HSBC上进行了设计仿真。提供实验结果以验证鲁棒控制器设计概念。

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