反向转动双机驱动振动筛同步控制

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摘要在充分考虑电机与筛箱相互作用的基础上，研究了反向转动双机驱动振动筛控制同步的问题。在考虑感应电动机数学模型的基础上，建立了双机驱动振动筛的机电耦合模型。采用主从控制结构和滑模控制算法，设计了主电机的速度控制器和从电机的相位差控制器。基于Lyapunov稳定性理论及Barbalat引理，证明了所设计控制系统的稳定性。对于每台电机，采用矢量控制实现电机的快速反应。最后，应用Matlab/Simulink仿真分析验证所设计控制系统的有效性，并讨论了转速、相位差、激振质量等参数的影响，说明了控制系统的鲁棒性。通过研究发现，反向转动双机驱动控制同步振动筛不仅可以实现直线振动形式，而且可以灵活的调节振动方向角，还可以获得椭圆等其他振动形式。所研究内容可为振动筛的设计、控制与实际应用提供借鉴。

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	姜娇1
	2
	陈长征1
	薄磊3
	舒鑫3
	王仲4
	王远涛5

关键词 ：振动筛, 控制同步, 滑模控制, 稳定性

Abstract：The controlled synchronization of two exciters rotating in the opposite direction of a vibrating screen considering the interactions between motors and a screen box was investigated.The model of an induction motor was introduced and a typical mechanical-electromagnetic coupling model was developed.By applying master-slave control structure and sliding mode control algorithm, speed and phase difference controllers were designed.Based on the Lyapunov stability theory and the Barbalat lemma, the stability of the control system was proved.For each exciter, the vector control method and PI control algorithm were employed.The effectiveness of the control system was verified via Matlab/Simulink.Additionally, the effects of the parameters such as speed, phase difference, seismic mass were discussed.By using the proposed method, the vibrating screen could vibrate in the line mode and the vibrating direction angle was adjustable.The ellipse mode could be also implemented.The research provides some references for the design, control, and utilization of vibrating screen.

Key words： Vibrating screen controlled synchronization sliding mode control stability.

收稿日期: 2017-11-23 出版日期: 2019-04-15

引用本文:

姜娇1,2，陈长征1，薄磊3，舒鑫3，王仲4，王远涛5. 反向转动双机驱动振动筛同步控制[J]. 振动与冲击, 2019, 38(8): 126-132.
JIANG Jiao1,2, CHEN Changzheng1, BO Lei3, SHU Xin3, WANG Zhong4, Wang Yuantao5. Controlled synchronization of vibrating screen driven by two exciters rotating in the opposite direction. JOURNAL OF VIBRATION AND SHOCK, 2019, 38(8): 126-132.

链接本文:

http://jvs.sjtu.edu.cn/CN/ 或 http://jvs.sjtu.edu.cn/CN/Y2019/V38/I8/126

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