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Integrated digital control system for high temperature superconducting magnetic suspension energy accumulation flywheel magnetic bearing

A technology of digital control system and energy storage flywheel, which is applied in the direction of bearings, shafts and bearings, mechanical equipment, etc., can solve the problems of inability to control with high precision, achieve the improvement of DSP data processing ability and communication speed, improve data processing ability, meet The effect of real-time requirements

Inactive Publication Date: 2008-06-11
BEIHANG UNIV
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Problems solved by technology

[0004] The technical problem of the present invention is to overcome the shortcomings of other magnetic bearing digital control systems that cannot control the high temperature superconducting magnetic suspension energy storage flywheel magnetic bearing system with high precision, and provide an integrated high temperature superconducting magnetic suspension energy storage flywheel magnetic bearing digital control system to realize Its real-time, online and high-precision control

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  • Integrated digital control system for high temperature superconducting magnetic suspension energy accumulation flywheel magnetic bearing
  • Integrated digital control system for high temperature superconducting magnetic suspension energy accumulation flywheel magnetic bearing
  • Integrated digital control system for high temperature superconducting magnetic suspension energy accumulation flywheel magnetic bearing

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Embodiment Construction

[0028]As shown in Figure 2, it is a block diagram of the composition of the control system of the present invention, the control system includes several parts such as DSP module 1, FPGA module 2, serial communication module 3, signal conditioning module 4, wherein DSP module 1 includes control algorithm processing module 6 , the first HPI module 8, the rotational speed calculation module 7 and the EMIF module 5, the FPGA module 2 includes a serial communication control module 11, a second HPI module 12, an analog-to-digital conversion control module 15, an analog switch control module 14, and a rotational speed counting module 16 And PWM modulation module 13, serial communication module 3 comprises the communication interface 20 based on MFC, the serial port communication 18, RS232 interface circuit 17 based on hardware programming, signal conditioning module 4 comprises analog-to-digital conversion chip 29, Hall sensor 23, current sensor interface Circuit 24, current sensor 25...

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Abstract

An integrated high temperature superconduct magnetic suspension energy storage flywheel magnetic bearing digital control system is provided, which comprises a DSP module, a FPGA module, a serial communication module and a signal modulation module. Wherein, the DSP module realizes the treatment of advanced control arithmetic and the calculation of rotate speed; the FPGA module accomplishes the sampling of displacement and electric current signal, counting of rotate speed and PWM modulation of the control extent; a control electric current for the magnetic bearing loop is generated via a power amplifier to realize the high precision control of the high temperature superconduct magnetic suspension energy storage flywheel magnetic bearing system. In addition, the serial communication module realizes the real time communication between a upper position machine and FPGA; the signal modulation module offsets, amplifies and filter the collected displacement and electric current signal as well as outputs the result to FPGA module. Therefore, the digital control system in the invention does not only realizes outstanding computation capacity and high communication speed, but also assures the real time communication between the upper position machine and FPGA, thereby further enhancing the control precision for the high temperature superconduct magnetic suspension energy storage flywheel magnetic bearing system.

Description

technical field [0001] The invention relates to an integrated high-temperature superconducting magnetic levitation energy storage flywheel magnetic bearing digital control system, which is used for high-precision control of the superconducting magnetic levitation energy storage flywheel magnetic bearing system, and is especially suitable for applications requiring high computing speed and communication speed In other occasions, the digital control system is also suitable for other systems that use more complex and advanced control algorithms, or require higher computing power. Background technique [0002] As an important new mechanical energy storage method, flywheel stores energy or kinetic energy in the high-speed rotating flywheel rotor to realize the conversion of electrical energy to mechanical energy and then to electrical energy. The high-temperature superconducting maglev energy storage flywheel system has the characteristics of no energy consumption and intrinsic s...

Claims

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Application Information

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IPC IPC(8): F16C32/04
Inventor 刘刚刘彬李彩凤文通潘明健
Owner BEIHANG UNIV
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