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首页> 外文期刊>IOSR journal of electrical and electronics engineering >Modelling and Control of a Chopper using Feedback and Feedforward Control Schemes
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Modelling and Control of a Chopper using Feedback and Feedforward Control Schemes

机译:反馈和馈电控制方案的斩波器建模与控制

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摘要

Designing two degree of freedom controller to control the boost chopper system is challenging. A new feedforward combined with feedback controller design is proposed. Increasing the efficiency of the DC-DC converters can be achieved by decreasing the distortion and noise for both input and output stages in the system. A linearization mathematical model analysis for boost chopper is presented. Both the input voltage with multiple steps and the duty cycle of PWM which control the switching circuit were applied to study the behaviour of the system. In this study, the simulation results show that the disturbance rejection and input tracking were improved for different cases and situations. Also, the results show that the proposed method can be adapted by redesigning the feedforward controller to recover the impact of the boost parameter changes.
机译:设计两个自由度控制器来控制升压斩波系统是具有挑战性的。 提出了一种与反馈控制器设计结合的新馈电。 通过降低系统中输入和输出级的失真和噪声,可以实现DC-DC转换器的效率。 提出了对升压斩波器的线性化数学模型分析。 应用具有多个步骤的输入电压和PWM控制切换电路的占空比,以研究系统的行为。 在本研究中,仿真结果表明,对于不同的情况和情况,改善了干扰抑制和输入跟踪。 此外,结果表明,可以通过重新设计前馈控制器来恢复增强参数变化的影响来调整所提出的方法。

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