Vehicle Inerter hanger-bracket parameter optimization design method

An inertial suspension and optimization design technology, which is applied in the parameter optimization design of vehicle inertial suspension, the parameter design optimization of suspension system, and the design field of vehicle inertial suspension, which can solve the problems of convergence to the local optimal solution, etc. , to avoid local convergence

Inactive Publication Date: 2016-12-21
JIANGSU UNIV
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Problems solved by technology

[0006] Based on the above reasons, the present invention provides a method for optimal design of vehicle inertial suspension parameters. This method can be used to optimize the design of suspension

Method used

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  • Vehicle Inerter hanger-bracket parameter optimization design method
  • Vehicle Inerter hanger-bracket parameter optimization design method
  • Vehicle Inerter hanger-bracket parameter optimization design method

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Embodiment Construction

[0043] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the present invention is not limited thereto.

[0044] figure 1 It is a flow chart of a method for optimizing the design of the inertial suspension parameters of the vehicle, figure 2 It is the suspension structure adopted in the first embodiment of the method.

[0045] Take this as an example to optimize the design of suspension parameters.

[0046] Step 1), according to figure 2 For the suspension structure shown, build the corresponding suspension quarter model, such as image 3 Shown and listed its kinetic equation as:

[0047] m s z ·· s + ...

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Abstract

The invention discloses a vehicle Inerter hanger-bracket parameter optimization design method. The vehicle Inerter hanger-bracket parameter optimization design method includes the following steps that 1, hanger-bracket models are set; 2, basic parameters and road surface input of vehicle types are determined; 3, design variables and the ranges of the design variables are determined; 4, the selected variables are subjected to normalization processing; 5, evaluation index systems of hanger-bracket systems are set; 6, hanger-bracket models of different parameters are simulated; 7, optimal solutions are recorded; 8, domains of the optimal solutions are determined, whether the solution domains reach the designed targets or not is judged, and if the solution domains reach the designed targets, optimization is completed; 9, the ranges of the variables of parameters are changed, or the evaluation index systems of hanger-bracket systems are modified, and optimization design is newly carried out. By means of the vehicle Inerter hanger-bracket parameter optimization design method, the parameter optimal solution domains of hanger brackets can be rapidly and accurately obtained, the problem that multiple existing optimization algorithms are subjected to local convergence can be solved, and the optimal parameters can be selected through the global optimum solution domains. The vehicle Inerter hanger-bracket parameter optimization design method provides a novel method and idea for design and performance researching of the hanger brackets.

Description

technical field [0001] The invention belongs to the field of vehicle suspension system design, in particular to the parameter design optimization of the suspension system using the inerter technology. The invention relates to a design method of a vehicle inertial suspension, in particular to a parameter optimization design method of a vehicle inertial suspension. Background technique [0002] Suspension is the general term for all force-transmitting connection devices between the frame and the axle (or wheel) of a car. The impact force of the frame or body and reduce the vibration caused by it, so as to ensure the smooth running of the car. Suspension is a key system of the vehicle chassis, its performance is crucial to the overall performance of the vehicle, and plays an extremely important role in the development of dynamic performance. [0003] Parameter optimization is a method to achieve the design goal. By parameterizing the design goal and adopting the optimization ...

Claims

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Application Information

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IPC IPC(8): G06F17/50
CPCG06F30/17Y02T10/40
Inventor 刘雁玲杨晓峰刘昌宁陈龙沈钰杰杜毅胡健滨
Owner JIANGSU UNIV
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