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Controllable inertial and damped magneto-rheological inerter device and control method thereof

An inertial container and magnetorheological technology, which are applied in the field of magnetorheological inertial container devices and their control, can solve the problem that the inertial container cannot realize dynamic adjustment of inertial capacity, etc., so as to improve the vibration isolation effect, reduce the cost, and improve the production efficiency. Effect

Active Publication Date: 2016-01-20
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to overcome the disadvantage that the inerter container characterized by encapsulating flywheel or mass inertia cannot realize dynamic adjustment of inertial capacity, and the deficiency that the magnetorheological damper can only dynamically adjust damping, and provide a controllable inertial capacity and damping The magneto-rheological inerter device and its control method realize the dynamic adjustment and control of inertia and damping, and meet the engineering requirements of semi-active control for the vibration isolation device to implement dynamic combined adjustment of inertia and damping, so that the vibration isolation device can Absorbs vibration energy with maximum power, thereby greatly improving the vibration isolation effect of the vibration isolation device

Method used

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  • Controllable inertial and damped magneto-rheological inerter device and control method thereof
  • Controllable inertial and damped magneto-rheological inerter device and control method thereof
  • Controllable inertial and damped magneto-rheological inerter device and control method thereof

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Effect test

Embodiment 1

[0021] A controllable inertial and damping magnetorheological inerter device, comprising cylinder 8, piston 7, piston rod 5, slender tube 2, thick tube 4, magnetorheological fluid 6, switch valve 1, MR conductor 3 and Damping hole 9, the piston 7 is inside the cylinder 8, the piston 7 divides the cylinder 8 into left and right cavities, the thick tube 4 is directly connected with the outlets of the left and right cavities, the A group of slender tubes 2 with different root diameters connected in parallel and thick tubes 4 are connected together in series, an on-off valve 1 is arranged on each slender tube 2, and the damping hole 9 is arranged in series with the slender tube 2, The MR conductor 3 is installed around the damping hole 9 , and the left and right cavities of the elongated tube 2 , thick tube 4 and cylinder 8 are filled with magnetorheological fluid 6 .

Embodiment 2

[0023] A controllable inertial and damping magnetorheological inerter device, comprising cylinder 8, piston 7, piston rod 5, slender tube 2, thick tube 4, magnetorheological fluid 6, switch valve 1, MR conductor 3 and The damping hole 9 is arranged on the piston 7, and the damping hole 9 communicates with the left and right chambers of the cylinder 8, and the MR conductor 3 is arranged inside the piston 7, and the MR conductor 3 surrounds the damping hole 9 Install.

[0024] The inventor of the present invention proposes a control method for controllable inertial capacity and damping magneto-rheological inerter: a group of on-off valves 1 are combined to control the on and off of corresponding slender tubes 2, and the control method for a group of slender tubes 2 is implemented. 2 The control of the equivalent pipe diameter realizes the dynamic adjustment and control of the inertial capacity. By controlling the magnitude of the current in the MR conductor 3, the strength of th...

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Abstract

The invention relates to an inerter and damping controllable magneto-rheological inerter device and a control method thereof. The device comprises a cylinder, a piston, a piston rod, long and thin pipes, a thick pipe, a magneto-rheological fluid, switch valves, MR (magnetic resonance) conductors and a damping hole. According to the inerter and damping controllable magneto-rheological inerter device and the control method thereof, an apparent viscosity changing process of the magneto-rheological fluid is a continuous, stepless and reversible magneto-rheological effect under the action of an applied magnetic field, simultaneously, the low viscosity of the magneto-rheological fluid without the applied magnetic field and an inertial effect of the magneto-rheological fluid flowing in the long and thin pipes are utilized, the two effects are integrated in one device, further, the switch valves are adopted to control switching on and off of the long and thin pipes which have different pipe diameters and are filled with the magneto-rheological fluid, then the inerter is adjusted in a stepping manner,; and damping is adjusted steplessly by changing the magneto-rheological viscosity through the applied magnetic field simultaneously According to the invention, requirements for semi-active control when dynamical combination adjustment of inerter and damping is applied to a vibration isolation device for engineering are met, so that mounting and using are facilitated, the cost is reduced, and the production efficiency is improved.

Description

technical field [0001] The invention relates to an inerter device, in particular to a magneto-rheological inerter device with controllable inertia and damping and a control method thereof. Background technique [0002] The inerter can improve the handling stability and tire grounding performance of the car, coordinate ride comfort and handling stability, improve the ride comfort of the train, system dynamic performance and stability, and suppress the shimmy phenomenon caused by the steering of the motorcycle and the vibration caused by the vehicle and the earthquake. It can absorb the vibration of the isolated mass. Therefore, inerters have broad application prospects in the fields of vehicle suspension, steering, building vibration isolation, and dynamic vibration absorption. [0003] Chinese patents CN200810123830.8 and CN201010281317.9, and U.S. patents US20090108510 and US7316303 disclose rack and pinion inerters, cycloidal ball inerters, ball screw inerters, and cylind...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16F9/53
Inventor 张孝良聂佳梅
Owner JIANGSU UNIV
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