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Device and method for coordinating magnetorheological damping/braking and energy harvesting

A magneto-rheological damping and energy harvesting technology, which is applied in mechanical equipment, current collectors, electric vehicles, etc., can solve the problems that the interaction between magnetorheological damping and energy harvesting is not considered, and achieve control performance assurance and reduce power consumption Effect

Active Publication Date: 2021-03-19
THE CHINESE UNIVERSITY OF HONG KONG
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  • Application Information

AI Technical Summary

Problems solved by technology

However, existing vibration / motion control devices and methods only focus on the control of magnetorheological damping, without considering the interaction between magnetorheological damping and energy harvesting
In addition, existing vibration / motion control devices and methods do not consider how to maximize harvested energy while satisfying vibration / motion control performance

Method used

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  • Device and method for coordinating magnetorheological damping/braking and energy harvesting
  • Device and method for coordinating magnetorheological damping/braking and energy harvesting
  • Device and method for coordinating magnetorheological damping/braking and energy harvesting

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Embodiment Construction

[0024] Hereinafter, the present application will be described in detail with reference to the accompanying drawings.

[0025] The magnetorheological damping devices / systems described herein may include magnetorheological dampers and magnetorheological braking devices. Magneto-rheological dampers, such as vehicle suspension systems, operate under linear motion conditions. In this type of magneto-rheological damper, a damping force will be applied to the system. Magneto-rheological braking devices such as smart knee prostheses work under rotational motion conditions. In such a magneto-rheological braking device, a braking torque will be generated on the system. It is worth noting that the magneto-rheological damping device / system described in this paper includes both a magneto-rheological damper and a magneto-rheological braking device.

[0026] image 3 A schematic diagram of a magnetorheological (MR) damping / braking system with devices for coordinating magnetorheological (...

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Abstract

The invention discloses equipment and method for coordinating magneto-rheological damping / braking and energy collection in a magneto-rheological damping / braking system. The equipment comprises an allocator, a magneto-rheological damping / braking controller and an energy collection controller, wherein the allocator is configured to generate a first allocation signal and a second allocation signal according to total damping force / braking torque which is required, the magneto-rheological damping / braking controller is configured to generate a magneto-rheological instruction signal for generating the allocated damping force / braking torque in response to the first allocation signal, and the energy collection controller is configured to collect the allocated energy according to the second allocation signal.

Description

technical field [0001] The present application relates to devices and methods for coordinating magnetorheological damping / braking and energy harvesting (EH) in magnetorheological (MR) damping / braking systems. Background technique [0002] Magnetorheological fluids are smart materials that exhibit a rapid, reversible, and tunable transition from a free-flowing state to a semi-solid state within milliseconds under an applied magnetic field. Magnetorheological fluids are very promising for semi-active vibration / brake control because they provide a simple and fast response interface between electronically controlled devices / systems and mechanical devices / systems. [0003] figure 1 A schematic diagram of a typical magnetorheological damping system with a semi-active control system is shown. Such as figure 1 As shown, the magnetorheological damping system 100 includes a dynamic sensor 110 , a system controller 120 , a damper controller 130 , a current driver 140 , a magnetorheo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J7/32F16F9/53F16F9/32
CPCF16F9/32F16F9/535H02J7/32
Inventor 廖维新陈超
Owner THE CHINESE UNIVERSITY OF HONG KONG
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