Fuzzy PID Active Suppression of Torsional Vibration of Range Extenders for Three-cylinder Engines

Abstract

摘要： 针对增程器系统在发动机转矩波动激励下的多谐波扭转振动问题，提出一种模糊PID控制算法，利用发电机输出扭矩主动抑制扭转振动。建立8自由度轴系强迫振动模型，然后以角加速度以及转速为控制目标，采用模糊PID控制器主动抑制扭转振动。以均平方角加速度为扭转振动的评价指标。分析稳态和瞬态工况下扭转振动主动抑制效果。仿真结果表明，稳态工况下相比只以转速为控制目标的PID控制方式，均平方角加速度降低68.3%；相比传统的PID控制方法，均平方角加速度降低29.0%。所提出的方法可以有效抑制增程器轴系的扭转振动。

关键词: 振动与波, 增程器, 扭振, 模糊PID控制器, 主动抑制

CLC Number:

TB535

白书杰, 魏长银, 陈勇, 李双清, 谭艳军, 李彦林 . 三缸发动机式增程器扭转振动模糊PID主动抑制[J]. 噪声与振动控制, 2022, 42(2): 51-58.

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Fuzzy PID Active Suppression of Torsional Vibration of Range Extenders for Three-cylinder Engines

三缸发动机式增程器扭转振动模糊PID主动抑制

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