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FPGA-based active disturbance rejection control for antenna servo systems

机译:基于FPGA的天线伺服系统主动抗扰控制

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This paper is concerned with the control strategy implementation for antenna servo systems. A linear active disturbance rejection controller (LADRC), which can estimate and compensate unmodeled dynamics and bounded disturbances in real time, is proposed. The field programmable gate array (FPGA) is utilized to design a control integrated circuit (IC). The procedure of achieving control objectives by FPGA-based IC and the relevant control algorithm are described in detail. Simulations and experiments are conducted to verify the effectiveness of our control strategy. It is shown that ADRC is an appropriate tool for handling uncertainties and disturbances. With the linear extended state observer and the feedback control law, tracking performance and disturbance rejection capability are greatly improved compared to a well-tuned PI controller.
机译:本文涉及天线伺服系统的控制策略的实现。提出了一种线性有源干扰抑制控制器(LADRC),该控制器可以实时估计和补偿未建模的动力学和有界干扰。现场可编程门阵列(FPGA)用于设计控制集成电路(IC)。详细描述了通过基于FPGA的IC实现控制目标的过程以及相关的控制算法。进行仿真和实验以验证我们控制策略的有效性。结果表明,ADRC是处理不确定性和干扰的合适工具。与线性调优的PI控制器相比,有了线性扩展状态观察器和反馈控制律,跟踪性能和干扰抑制能力得到了极大的提高。

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