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Simulation realization system of ceiling inertial suspension system, inertial capacity device and control method

A suspension system and a technology for realizing the system, applied in the field of ceiling inertial control suspension system, can solve problems such as inability to continuously adjust inertial capacity, achieve the effects of increasing sprung mass, reducing hardware cost, and improving ride comfort

Active Publication Date: 2018-06-12
JIANGSU UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Second, provide a continuously adjustable inertial device applied to the above-mentioned ceiling inertial control suspension system, which overcomes the disadvantage that the inertial capacity provided by the inerter device is constant, and overcomes the inability of the stepwise adjustable inertial device to continuously adjust the inertial capacity. disadvantages

Method used

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  • Simulation realization system of ceiling inertial suspension system, inertial capacity device and control method
  • Simulation realization system of ceiling inertial suspension system, inertial capacity device and control method
  • Simulation realization system of ceiling inertial suspension system, inertial capacity device and control method

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Embodiment Construction

[0034] The present invention will be further described below in conjunction with drawings and embodiments.

[0035] figure 1 is the ceiling inertia suspension system, including ceiling inertia 1, sprung mass 2, spring 3, shock absorber 4, unsprung mass 5 and tire equivalent spring 6. The spring 3 and the shock absorber 4 are arranged between the sprung mass 2 and the unsprung mass 5 ; the ceiling inertia 1 is arranged between the inertial reference frame and the sprung mass 2 . The skyhook inertia 1 will generate an inertial force opposite to the acceleration of the sprung mass. The magnitude of the force is equal to the product of the skyhook inertia coefficient and the sprung mass acceleration. Therefore, the skyhook inertia can effectively offset the acceleration of a part of the sprung mass , thereby reducing the acceleration of the sprung mass and improving the ride comfort of the vehicle.

[0036] figure 2It is a semi-active simulation implementation system of the ce...

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Abstract

The invention relates to a simulation implement system and an inerter device of a suspension frame system for a ceiling inerter and a control method. The simulation implement system of the suspension frame system of the ceiling inerter consists of a sprung weight, a spring, a damper, an unsprung weight, a tyre equivalent spring, a continuous adjustable inerter device, a driving mechanism and an ECU, wherein the inerter device comprises a hydraulic cylinder, an inerter adjusting valve and liquid. The invention provides a control method for the ceiling inerter based on the continuous adjustable inerter device, the ceiling inerter is realized through simulation in a semiactive manner, so that the control effect is equivalent to increasing the sprung weight, the vehicle body offset frequency is reduced, the smoothness of a vehicle during idling is improved, and the vehicle has a good idling adapting capacity and a good full load adapting capacity.

Description

technical field [0001] The invention relates to a ceiling inertial control suspension system, a control method and an inertial device suitable for the control suspension system, belonging to the technical field of ceiling inertial control suspension systems. Background technique [0002] When the vehicle is empty or fully loaded, the sprung mass changes greatly, especially for trucks. When the vehicle is fully loaded, the sprung mass is large, the body bias frequency is low, and it has good ride comfort; when the vehicle is unloaded, the sprung mass is small, the body bias frequency is high, and the ride comfort is poor. In order to make the vehicle have better ride comfort when it is empty or fully loaded, it is necessary to keep the body bias frequency basically unchanged when it is empty or fully loaded. [0003] Since the body bias frequency is related to the sprung mass and spring stiffness, there are two ways to change the body bias frequency, one is to change the spr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60G17/04
CPCB60G17/04B60G2202/41
Inventor 张孝良黄振兴聂佳梅何海陈龙
Owner JIANGSU UNIV
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