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METHOD OF MANAGING THE WORK OF FLEXIBLE ROTOR ON ELECTROMAGNETIC BEARINGS AND THE SYSTEM FOR ITS IMPLEMENTATION

机译:管理电磁轴承上挠性转子工作的方法及其实现系统

摘要

FIELD: machine engineering.;SUBSTANCE: in the method for controlling the operation of the flexible rotor, including measuring at discrete instants of the deflections of the axis of the flexible rotor, the angular velocity of rotation of the flexible rotor is additionally measured at discrete instants Ω and the angle of its rotationF and to compensate the resonant beats of the flexible rotor in k-x intervals of the indicated angular velocity Ω in eachnth radial electromagnetic bearing (EMF), two additional orthogonal driving forces F1(n) and F2(n), and then these additional forces are formed in each nth radial EMF. In the system for controlling the operation of a flexible rotor consisting of N channels for creating two orthogonal driving forces in the radial EMF in each channel containing the flexor axis deflection measurement unit at the location of the radial EMF, a unit for measuring the angular speed of rotation of the flexible rotor and the angle of rotation thereof, and each channel of the system is equipped with a software definition unit for two additional orthogonal control forces, connected by its output to the second input of the control unit of said control forces in radial EMF, the unit for measuring the angular velocity of rotation of the flexible rotor and the angle of its rotation by its multi-channel output is connected to the inputs of the specified channel blocks of software determination of two additional orthogonal control forces.;EFFECT: increase of reliability and service life of the flexible rotor on electromagnetic bearings as a result of increasing the degree of compensation of the residual imbalance due to the formation in each radial electromagnetic bearing of the flexible rotor of two additional orthogonal driving forces that increase the efficiency of adjusting the position of the rotor axis in transient modes and determined by the proposed system and procedure for controlling the operation of the flexible rotor.;2 cl, 7 dwg, 1 tbl
机译:技术领域:机械工程;实质:在用于控制挠性转子的操作的方法中,包括在挠性转子的轴线的挠曲的离散瞬间进行测量,还另外地测量挠性转子的旋转角速度。在第n个径向电磁轴承(EMF)中,以指示的角速度Ω的kx间隔对瞬时力矩Ω和其旋转角度F进行补偿,并补偿挠性转子的共振跳动,另外两个正交驱动力F 1 (n)和F 2 (n),然后在每个第n个径向EMF中形成这些附加力。在用于控制由N个通道组成的挠性转子的系统中,该N个通道用于在径向EMF中的每个通道中产生两个正交驱动力,每个通道中都包含位于径向EMF位置的屈肌轴挠度测量单元,即用于测量角速度的单元柔性转子的旋转角度及其旋转角度,并且系统的每个通道都配备了一个软件定义单元,用于另外两个正交的控制力,通过其输出连接到控制力的控制单元的第二个输入径向电动势,用于测量柔性转子的角速度和通过其多通道输出的旋转角度的单元连接到指定通道模块的输入,该模块由软件确定两个附加的正交控制力。 :由于补偿程度的提高,增加了电磁轴承上柔性转子的可靠性和使用寿命由于在挠性转子的每个径向电磁轴承中形成了两个附加的正交驱动力而导致的剩余不平衡,从而增加了在瞬态模式下调节转子轴位置的效率,并由所提出的用于控制转子的系统和程序确定柔性转子的运行。; 2 cl,7 dwg,1 tbl

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