비의류제품

parametric disturbances in the dc motors of machine-tool feed dries

  • 출판일1999.03
  • 저자
  • 서지사항
  • 등록일 2016.11.02
  • 조회수 498
one of the most important tasks in machine-tool fabrication is the development of high-speed feed electric drives with a wide range of regulation (d4>10000). as the regulation range expands, however, there is a substantial increase in the nonuniformity of electric-drive rotation at low speeds, which affects the surface finish of parts being machined and which can lead to the appearance of self-excited oscillations in a closed electromechanical system therefore, the parametric disturbances which occur in the dc motors of machine tool feed drives were studied
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