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A single-degree-of-freedom magnetic-fluid double-suspension bearing control system

A suspension bearing and control system technology, applied in the field of control, can solve problems such as single control method and slow recovery response speed, and achieve the effects of no environmental pollution, improved bearing capacity and response speed, and adjustable and controllable stiffness

Active Publication Date: 2022-03-11
YANSHAN UNIV
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  • Abstract
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  • Application Information

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Problems solved by technology

The magnetic fluid double suspension bearing includes two sets of support systems: electromagnetic support and static pressure support, while the traditional control method is single, and the recovery response speed is slow

Method used

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  • A single-degree-of-freedom magnetic-fluid double-suspension bearing control system
  • A single-degree-of-freedom magnetic-fluid double-suspension bearing control system
  • A single-degree-of-freedom magnetic-fluid double-suspension bearing control system

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Embodiment Construction

[0019] Below in conjunction with accompanying drawing and embodiment the present invention is described in further detail:

[0020] A single-degree-of-freedom magnetic-fluid double-suspension bearing control system is characterized in that: a PD controller 8 is sequentially connected with a differential power amplifier 9, a magnetic force conversion module 10, and a feedback proportional module 11 to form an electromagnetic closed-loop control system; the feedback proportional module 11 Connect the static pressure conversion module 12, the static pressure conversion module 12 is connected to the pressure sensor 1 13 and the pressure sensor 214 at the same time, the pressure sensor 1 13 and the pressure sensor 2 14 are arranged on the upper and lower two parts of the single-degree-of-freedom magnetic fluid double suspension bearing 7 body on the bearing chamber.

[0021] Quantitative pump 1, overflow valve 2, one-way valve 4, filter 5, PM flow controller 6 and single-degree-of-...

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Abstract

The invention discloses a single-degree-of-freedom magnetic-hydraulic double-suspended bearing control system, which belongs to the technical field of control. A single-degree-of-freedom magnetic-hydraulic double-suspended bearing control system includes a PD controller, a differential power amplifier, a magnetic force conversion module and a feedback proportional module connected in sequence to form an electromagnetic closed-loop control system; the feedback proportional module is connected to a static pressure conversion module, and the static pressure The conversion module is connected with the pressure sensor 1 and the pressure sensor 2 at the same time, and the pressure sensor 1 and the pressure sensor 2 are arranged on the upper and lower support cavities of the single-degree-of-freedom magnetic-hydraulic double suspension bearing body. Quantitative pump, overflow valve, one-way valve, filter, PM flow controller and single-degree-of-freedom magnetic-hydraulic double suspension bearing are connected in sequence to form a static pressure control system. The single-degree-of-freedom magnetic-hydraulic double-suspended bearing control system provided by the invention has large adjustment capability, fast response and good dynamic characteristics, and greatly improves the operation stability of the magnetic-hydraulic double-suspended bearing.

Description

technical field [0001] The invention belongs to the technical field of control, and in particular relates to a single-degree-of-freedom magnetic fluid double-suspension bearing control system. Background technique [0002] The magnetic fluid double suspension bearing is a high-performance electromechanical integrated bearing that uses electromagnetic force to stably suspend the supported part in space. The magnetic fluid double suspension bearing includes two sets of support systems: electromagnetic support and static pressure support, while the traditional control method is single and the recovery response speed is slow. Contents of the invention [0003] The technical problem to be solved in the present invention is to provide a single-degree-of-freedom magnetic-fluid double-suspension bearing control system, which improves the bearing capacity and response speed of the magnetic-fluid double-suspension bearing by real-time outputting the proportional relationship between...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16C32/04F16C32/06
CPCF16C32/0402F16C32/0444F16C32/0648
Inventor 赵建华闫伟东马旭超李胜王永强
Owner YANSHAN UNIV
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