期刊文献+

涡轴发动机双回路PI控制器多发功率匹配 被引量:5

Power Balance for Multiple Engines Based on Double-Loop PI Controller for Turboshaft
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摘要 为了应对多个发动机共同驱动同一直升机时,单个发动机性能衰退所引发的输出功率不平衡问题,以控制2个转子转速的双回路结构PI控制器为基础,将外回路改为直接功率控制回路,搭配能够计算旋翼在一定转速下需求功率的机载模型,构建了1种涡轴发动机多发功率平衡匹配控制系统。内回路分别采用燃气发生器转子转速控制回路和动力涡轮转子转速控制回路,得到参数不同的控制器并进行了仿真验证和对比。结果表明:所设计的双回路PI控制器能够在保证涡轴发动机动力涡轮转速恒定的同时,使性能衰退程度不同的2台发动机输出相同的功率。 Based on a PI controller with double-loop structure aiming at controlling the speed of two rotor shafts, a control system to balance the power of two or more engines on the same helicopter was achieved with a model which was able to calculate the power demanded by the rotor on a fixed speed to avoid the bad effects of performance degradation of them. The outer-loop was modified to control the power of power turbine shaft, and the inner-loop was designed either to control the speed of gas generator rotor or power turbine rotor.Both controllers were simulated with the same engine model to verify the performance of these kinds of controller. The results show that the controller designed in this paper can keep the power provided by two turboshafts balance at the constant NP when performance degradations of these two engines are different.
出处 《航空发动机》 2016年第1期16-20,共5页 Aeroengine
基金 航空科学基金(2011ZB510019)资助
关键词 PI控制器 涡轴发动机 双回路结构直接功率控制 功率平衡匹配控制 PI controller turboshaft double-loop structure direct power control power balance control
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参考文献15

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共引文献45

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引证文献5

二级引证文献10

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