07MD1500, Development of Telematics Application Service Technology based on USN Infrastructure,
Park Jong-Hyun
Abstract
본 발명은 차량 검출 방법에 관한 것이다. 본 발명에서, 차량 검출 장치는 자기센서 값의 절대값과 절대값의 변화량에 해당하는 상대 값을 센싱 영역 내 차량 진출입을 인지하는데 사용한다. 즉, 차량 검출 장치는 차량이 검출되지 않은 초기 상태를 유지하다가, 상대 값이 절대값의 변화에 대응하여 일정 수준 이상으로 변화하면 차량이 센싱 영역에 진입중인 것으로 판단하고, 이 시점의 절대값을 임계 값으로 설정한다. 그리고, 이후 설정된 임계 값과 상대 값의 변화에 기초해 차량이 센싱 영역으로부터 진출함을 판단한다.
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