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

A digital control system, energy storage flywheel technology, used in bearings, shafts and bearings, mechanical equipment, etc., can solve problems such as inability to high-precision control, improve DSP data processing capabilities and communication speed, improve performance, and meet real-time performance. desired effect

Inactive Publication Date: 2010-09-01
BEIHANG UNIV
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  • Abstract
  • Description
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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] Such as figure 2 Shown is the composition block diagram of control system of the present invention, and this control system comprises several parts such as DSP module 1, FPGA module 2, serial communication module 3, signal conditioning module 4, wherein DSP module 1 comprises control algorithm processing module 6, first HPI module 8, rotational speed calculation module 7 and EMIF module 5, FPGA module 2 comprises serial communication control module 11, second HPI module 12, analog-to-digital conversion control module 15, analog switch control module 14, 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 based on hardware programming, RS232 interface circuit 17, signal conditioning module 4 comprises analog-to-digital conversion chip 29, Hall sensor 23, current sensor interface circuit 24, The current sensor 25, the displacement sensor 26,...

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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 wellas 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 thereal 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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Patent Type & Authority Patents(China)
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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