A method for measuring the height of the center of mass of a vehicle

A height measurement and vehicle technology, applied in the field of vehicle measurement, can solve the problems of complex measurement, inaccurate measurement results of load or multi-axis vehicles, and achieve the effect of accurate measurement

Inactive Publication Date: 2016-02-10
HENAN UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a vehicle center of mass height measurement device and method to solve the problem that the current vehicle center of mass height measurement method requires a lifting or suspension mechanism, the measurement is complicated, and the measurement results for the load or multi-axis vehicles are inaccurate

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  • A method for measuring the height of the center of mass of a vehicle
  • A method for measuring the height of the center of mass of a vehicle
  • A method for measuring the height of the center of mass of a vehicle

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Embodiment Construction

[0025] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0026] Embodiment of a method for measuring the height of the center of mass of a vehicle according to the present invention

[0027] The equipment arrangement of the actual vehicle experiment of measuring method of the present invention is as figure 1 As shown, the instruments used therein include a weighbridge 6, a wireless signal generator 5, a secondary instrument 4, a display device 3 and an acceleration sensor 1, and the wireless signal generator is arranged on the weighbridge for converting the data measured by the weighbridge Wirelessly transmit to the secondary instrument, the acceleration sensor, the secondary instrument and the display device are all used to be set on the vehicle under test 1, the acceleration sensor is used to measure the acceleration value when the vehicle is braking, and the secondary instrument is used to meas...

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Abstract

The invention relates to a method of measuring the mass center height of an automobile, and belongs to the technical field of automobile measurement. According to the variation relationship between the position of a mass center and loading of a front shaft and a rear shaft in the braking process of the automobile and the principle of moment equilibrium, moment of finishing points of front wheels and the ground of the automobile before and after braking is taken, a moment equilibrium model is built, shaft loading data before and after braking and acceleration in the process of braking are collected, and the accurate mass center height of the automobile is obtained through calculation. Different from an existing static automobile mass center height measurement method, the method of measuring the mass center height of the automobile does not need lifting and hanging mechanisms and an additional measurement device, and is capable of accurately measuring not only a double-shaft automobile, but also a large-size bus, a truck and a multi-shaft automobile.

Description

technical field [0001] The invention relates to a method for measuring the height of a center of mass of a vehicle, belonging to the technical field of vehicle measurement. Background technique [0002] The position of the center of mass of the vehicle is an important performance indicator that affects the safety and handling of the vehicle, and has always been one of the important measurement parameters in the process of vehicle product development and experimentation. The commonly used methods for measuring the position of the center of mass of the vehicle include weight response method and platform reaction support Method, suspension method and zero position method, these methods are static measurement methods, need lifting, suspension mechanism. The weight response method is a measurement method that lifts the front wheels of the vehicle to a certain height. After lifting, most of the body weight is borne by the rear axle under test. For a loaded vehicle, its own weight ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M1/12
Inventor 郗建国高振萍高建平高玮邢作辉牛毅童镭侯海源张晓博
Owner HENAN UNIV OF SCI & TECH
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