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首页> 外文期刊>Acta Mechanica et Automatica >Backlash Fault Suppression Using LQ Optimal Control Based RST Controllers in Wind Turbine Systems Using Bond Graphs and Matlab/Simulink
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Backlash Fault Suppression Using LQ Optimal Control Based RST Controllers in Wind Turbine Systems Using Bond Graphs and Matlab/Simulink

机译:使用键盘和MATLAB / SIMULINK的风力涡轮机系统中基于LQ最优控制的RST控制器反弹故障抑制

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摘要

The presence of backlash in wind turbines is a source of limitations as it introduces nonlinearities that reduce their efficiency in speed/torque control which affect the performance of the power quality. Because of production tolerances during rotation, the teeth contact is lost for a small angle; until it is re-established, it produces a backlash phenomenon. The desire to eliminate this phenomenon is often hard to realise due to the nonlinear dynamic behaviour, which arises with the presence of backlash fault in a system. Therefore, the goal of this study is to develop an LQ optimal control structure in a form of an R-S-T controller in order to reduce the disturbing torque transmitted inside the dead zone of a gearbox in the wind turbine system. The actual system is also developed to be used as a demonstration model at lectures or presentations. The efficacy of the proposed control is illustrated via simulations.
机译:风力涡轮机中的急流的存在是限制的源,因为它引入了降低速度/扭矩控制效率的非线性,这影响了功率质量性能的速度/扭矩控制。 由于旋转过程中的生产公差,牙齿接触损失了小角度; 直到重新建立,它产生了一种反弹现象。 消除这种现象的愿望通常由于非线性动态行为而难以实现,这在系统中存在反冲故障而产生的。 因此,本研究的目标是以R-S-T控制器的形式开发LQ最佳控制结构,以减少在风力涡轮机系统中的齿轮箱的死区内传递的扰动扭矩。 实际系统也被开发为在讲座或演示时用作演示模型。 通过模拟说明所提出的控制的功效。

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