Chaos controlling and harmonic oscillation eliminating method for energy storage process of mechanical elastic energy storage (MEES) unit

A technology of chaotic control and harmonic oscillation, used in the control of mechanical energy, motors, electromechanical devices, etc.

Inactive Publication Date: 2013-06-19
王少夫
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there are few reports on the mechanism of chaos and its control and suppression methods.

Method used

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  • Chaos controlling and harmonic oscillation eliminating method for energy storage process of mechanical elastic energy storage (MEES) unit
  • Chaos controlling and harmonic oscillation eliminating method for energy storage process of mechanical elastic energy storage (MEES) unit
  • Chaos controlling and harmonic oscillation eliminating method for energy storage process of mechanical elastic energy storage (MEES) unit

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Experimental program
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Embodiment

[0050] The MEES unit model using permanent magnet motor and full power bidirectional converter is as follows: figure 1 As shown, the mechanical elastic energy storage box is the energy storage element of the MEES unit. When storing energy, the energy storage box is equivalent to the output load of the permanent magnet motor. If the energy storage box is required to store energy at a constant angular velocity, the torque formula can be written as

[0051] (1)

[0052] in, T is the torque of the storage tank, T 0 is the initial torque, ω is the energy storage angular velocity of the energy storage box, E is the elastic modulus of the coil spring material, B is the material width, H is the material thickness, L is the length of the coil spring.

[0053] When storing energy, the permanent magnet motor runs in the motor state, and its synchronous rotation The mathematical model un...

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Abstract

The invention provides a new mechanical elasticity-based energy storage chaos phenomenon controlling and eliminating method. A nonlinear dynamical model of a permanent magnet motor type mechanical elastic energy storage (MEES) unit is deduced, the unit does chaotic motion under certain parameters and the running condition in the energy storage process, known and unknown parameters of a system are controlled, and the chaos phenomenon of the permanent magnet motor type MEES can be eliminated by a simplest controller.

Description

technical field [0001] The invention relates to a method for chaos control and harmonic oscillation elimination in the energy storage process of a MEES unit, and belongs to the field of electrical engineering. Background technique [0002] At present, my country's highest power load continues to increase, and the proportion of "intermittent" power access continues to expand. Designing a large-capacity electric energy storage device will ensure the balance between supply and demand of electric energy, and solve the problem of smart grid and large-scale "intermittent" power access. The question is of great significance. On the basis of in-depth research on the principle of coil spring elastic energy storage, the present invention proposes a mechanical elastic energy storage (MEES) unit to establish its nonlinear dynamic model, revealing that the mechanical elastic energy storage of permanent magnet motor The generation mechanism of unit chaos, and its control and suppression. ...

Claims

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Application Information

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IPC IPC(8): H02K7/18F03G1/00
Inventor 不公告发明人
Owner 王少夫
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