Vehicle weight measuring system based on GPS (Global Position System) and inertial sensor

An inertial sensor and measurement system technology, applied in the field of road transportation monitoring, can solve the problems of inconvenient installation, easy to be affected by errors, unfavorable vehicle monitoring needs, etc., and achieve the effects of simple installation, good reliability and robustness

Active Publication Date: 2013-04-03
SUN YAT SEN UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

The main reason is to add pressure sensors to the elastic parts of the monitoring vehicle, which is inconvenient to install, which is not conducive to meeting the monitoring needs of a large number of vehicles, and is easily affected by errors and has poor robustness.

Method used

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  • Vehicle weight measuring system based on GPS (Global Position System) and inertial sensor
  • Vehicle weight measuring system based on GPS (Global Position System) and inertial sensor
  • Vehicle weight measuring system based on GPS (Global Position System) and inertial sensor

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Embodiment Construction

[0032] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0033] A measurement system integrating GPS, a three-axis acceleration sensor and an angular velocity sensor and an embedded platform is fixed at a location near the rear axle of the monitored vehicle. The GPS sampling rate is 1Hz, the acceleration range is above ±1g, the angular velocity is ±300° / s, and the sampling rate is 1000Hz.

[0034] After starting up, the monitoring program can run automatically.

[0035] 1. Parameter calibration mode:

[0036] For a specific vehicle model, parameter calibration is required first.

[0037] After installing and fixing the monitoring system, drive on the city road with an empty car for 20 minutes, and the driving process should include multiple turns. The program completes the sensor self-calibration and GPS delay, the calibration is as follows image 3 As shown in the algorithm, the statis...

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Abstract

Aiming at the problems and through application experience of a practical monitoring system, the invention provides a vehicle weight measuring system based on a GPS (Global Position System) and an inertial sensor, which is low in measuring device cost, is convenient to install behind and achieves supervision and administration effects on overload illegal behaviors, so as to realize a using effect of a full monitoring system. The vehicle weight measuring system comprises an ARM (Automatic Route Management) embedded system and a data acquisition module, wherein the data acquisition module is connected with an acceleration sensor and an angular velocity sensor; and the data acquisition module is integrated with a GPS module.

Description

technical field [0001] The invention is suitable for the field of road transportation monitoring, and particularly relates to the monitoring technology for overweight. Background technique [0002] With the continuous development of the national economy, the transportation industry has developed rapidly and its scale has also continued to expand. At the same time, the overload problem in my country's road transportation has become more and more serious, and it has become a prominent social problem that endangers the lives of the people and affects the coordination and healthy development of the social economy. However, due to the backwardness of vehicle weighing technology, the regulatory effect of overloading violations is not significant. Therefore, improving vehicle weighing technology has become a key issue. [0003] Currently commonly used vehicle weighing methods are mainly divided into two methods: external measurement and internal measurement: [0004] 1) Among th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01G19/03
Inventor 余志曾桓涛张辉陈锐祥伍成柏
Owner SUN YAT SEN UNIV
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