A method for determining the presence of a person comprises receiving an IR sensor signal and using the IR sensor signal to determine a smoothed IR signal, in a first mode, determining a threshold value as an offset from the smoothed IR signal, in which presence determination is performed by comparing the IR sensor signal to the threshold value, in a second mode, in which presence determination is performed by comparing the IR sensor signal to the threshold value, and in which presence determination is performed by comparing the IR sensor signal to the smoothed IR signal. The presence determination is carried out by comparing the IR sensor signal with the smoothed IR signal in the first mode, and wherein a switching from the first mode to the second mode is triggered when the IR sensor signal exceeds a threshold value and a switching from the second mode is triggered when the variability of the IR sensor signal is below a variability threshold value. A switch from the second mode to the first mode is triggered.
一种用于确定人的存在的方法,包括:接收IR传感器信号并使用该IR传感器信号来确定经平滑化的IR信号,在第一模式下,将阈值确定为与经平滑化的IR信号的偏移,其中在第一模式下通过将IR传感器信号与阈值进行比较来实行存在确定,并且其中在第二模式下通过将IR传感器信号与经平滑化的IR信号进行比较来实行存在确定,其中当IR传感器信号超过阈值时,触发从第一模式到第二模式的切换,并且当IR传感器信号的可变性低于可变性阈值时,触发从第二模式到第一模式的切换。
Method and system for waking up device
用于唤醒设备的方法和系统
03.02.2023
Patent
Elektronische Ressource
Chinesisch
IPC: | G01J Messen der Intensität, der Geschwindigkeit, der spektralen Zusammensetzung, der Polarisation, der Phase oder der Pulscharakteristik von infrarotem, sichtbarem oder ultraviolettem Licht , MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT / G08B SIGNALLING OR CALLING SYSTEMS , Signalisier- oder Rufsysteme / B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht / H05B ELECTRIC HEATING , Elektrische Heizung / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung |
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