본 발명은 입력전압이 인가되면 제1초음파를 방사하고, 외부물체에 반사되어 되돌아오는 제2초음파를 수신하면 출력전압을 생성하는 초음파센서;와 제1초음파가 방사된 직후, 초음파센서의 전압에 대한 일 시간이 미리 알고 있는 정상시간과 임계시간의 합보다 크면 고장임을 판단하는 판단부; 및 고장임이 판단되면, 알림을 제공하는 알림제공부를 포함하는 초음파센서 시스템에 관한 것이다.
The present invention relates to an ultrasonic sensor system which includes: an ultrasonic sensor which emits a first ultrasonic wave when an input voltage is applied and generates an output voltage when a second ultrasonic wave returning after being reflected by an external object is received; a determination unit for determining a defect if a duration for the voltage of the ultrasonic sensor right after the first ultrasonic wave is emitted is greater than the sum of a previously known normal duration and a critical duration; and a notification providing unit for providing a notification if the defect is determined. Accordingly, it is possible to normally operate the ultrasonic sensor system even if the defect is generated due to deterioration.
ULTRASONIC SENSOR SYSTEM AND DEFECT DIAGNOSIS METHOD OF ULTRASONIC SENSOR AND METHOD FOR DETECTING OBJECT OF ULTRASONIC SENSOR
초음파센서 시스템, 초음파센서의 고장을 판단하는 방법 및 초음파센서의 물체감지방법
2024-04-02
Patent
Electronic Resource
Korean
IPC: | G01S RADIO DIRECTION-FINDING , Funkpeilung / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion |
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