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Research on the driving circuit of the H-bridge upper tube of EPS system

  • 2013-09-19
  • 173.89KB
  • Points it Requires : 1

Abstract: The working characteristics of the H-bridge in the motor drive circuit of the traditional electric power steering system are analyzed. The dedicated driver chip of the H-bridge circuit is briefly introduced, and the reasons why the dedicated driver chip is not used in the H-bridge circuit of EPS are analyzed. On this basis, several feasible solutions for the H-bridge upper tube drive circuit are proposed according to the actual needs of the electric power steering system. These solutions have been tested in practice during the development of our EPS. Keywords: electric power steering; H-bridge circuit; upper tube drive

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