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直联压缩机两种不同控制方法的比较研究 被引量:1

Comparison and Research on Two Different Control Methods for Direct-drive Compressor
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摘要 建立了空压机的负载数学模型,对其负载进行了分析。建立了永磁同步电机的数学模型,给出了一种用于交流永磁同步电机速度控制的滑模控制器。根据永磁同步电机的控制特点和空压机负载特点进行Simulink仿真,仿真结果表明,加滑模控制器时,电机转速波动较小。最后,对用永磁同步电机驱动直联便携式空压机做实验。实验结果表明,与常规的PI控制策略相比,滑模变结构控制改善了系统的动态性能,有较强的鲁棒性。永磁同步电机驱动空压机效率高,转速波动小。 In this paper, we not only established mathematical model of the air compressor load which was analyzed, but we also established a mathematical model of PMSM and presented a sliding mode controller which was used to AC permanent magnet synchronous motor speed control.According to the control characteristics of permanent magnet synchronous motor and characteristics of air compressor load,we made a Simulink simulation.From the simulation results,we knew that the motor speed fluctuation was lower with sliding mode controller.Finally ,we tested on the direct drive portable air compressor with permanent magnet synchronous motor. The experimental results showed that, compared with conventional PI control strategy, sliding mode variable structure control improved dynamic performance of the system and had stronger robustness.Permanent magnet synchronous motor driven air compressor is with high efficiency and low speed fluctuation.
出处 《压缩机技术》 2012年第3期35-38,共4页 Compressor Technology
关键词 滑模变结构控制 空压机 负载 转速 sliding mode variable structure control air compressor load speed
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参考文献7

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二级参考文献6

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