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A car detection recognition system and method based on MEMS sensor

A technology of vehicle detection and identification system, applied in the field of all-weather vehicle detection and identification system

Inactive Publication Date: 2008-09-17
UNIV OF SCI & TECH BEIJING
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  • Abstract
  • Description
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Problems solved by technology

This patent only uses a sensor for vehicle detection, and does not involve the classification and identification of vehicle types, nor does it involve flow and vehicle speed detection

Method used

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  • A car detection recognition system and method based on MEMS sensor
  • A car detection recognition system and method based on MEMS sensor
  • A car detection recognition system and method based on MEMS sensor

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Embodiment Construction

[0029] A specific embodiment of the present invention uses multiple MEMS sensors to detect and identify vehicle targets, and also has the functions of vehicle speed and flow detection. Among them, the magnetic sensor detects the disturbance of the geomagnetic field when the vehicle is running, the acoustic sensor detects the noise signal of the engine when the vehicle passes by, and the vibration sensor detects the vibration signal of the ground when the vehicle is moving. The feature rules are used to make a final recognition, and the results are displayed on the display unit. The three sensors involved in the present invention can be selected according to specific application occasions, a single sensor can be selected for identification, and multiple sensors can also be selected for vehicle identification. Vehicle speed detection must use two or more magnetic sensors.

[0030] figure 1 A block diagram of a vehicle detection and vehicle type identification system according ...

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Abstract

The invention discloses a vehicle detection and identification system based on a plurality of MEMS sensors and a method thereof, wherein the system can carry out real-time detection and identification for moving vehicles and has the functions of speed detection and traffic detection. The invention comprises a group of MEMS-sensors detection device used to detect moving vehicles, a power supply device used to supply working power supply for the MEMS-sensors device, a signal acquisition device used to convert analog signals output from the MEMS-sensors detection device to digital signals, a signal processing device used to carry out vehicle detection and model identification for digital signals, a display device used to display identification results. Trials verify that the invention can accurately reflect characteristics of various vehicles, can identify and display vehicle models, and can accurately display the results of speed and traffic detection. The invention is not influenced by outside weather, climate, light and other factors and has the advantages of small volume, low cost and low power consumption, thus has a wide application prospect.

Description

technical field [0001] The invention relates to the field of vehicle detection, and in particular provides an all-weather vehicle detection and recognition system based on multi-MEMS sensors with small size, low cost, and low power consumption. Vehicle target recognition, and has the function of flow detection and vehicle speed detection. Background technique [0002] With the rapid development of modern society, an efficient traffic management system has become one of the primary tasks of urban development. The vehicle detection and vehicle type recognition system, that is, the traffic information collection system, is an indispensable and basic part of the highway and urban road monitoring system. The technical level of the traffic information collection system directly affects the overall operation and management of the highway and urban road monitoring system. Level. At the same time, with the increasingly fierce international competition, unmanned reconnaissance has b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08G1/01G08G1/052G08G1/065G08G1/048G08G1/017G01P3/66
Inventor 蓝金辉施毓俏徐玉来
Owner UNIV OF SCI & TECH BEIJING
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