Proceedings of IEEE Sensors, 2004.
DOI: 10.1109/icsens.2004.1426147
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Ultra low-power monolithically integrated capacitive pressure sensor for tire pressure monitoring

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Cited by 31 publications
(16 citation statements)
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“…Considering the measured 28 nA for low power relaxation oscillator and junction leakage current, this topology leaves a total of 90% of charge available for RF-transmission, piezoresisitive sensor an battery self-discharge with a battery capacity of 250 mAh. Table I compares the achieved performance with previous works [9]. Since most work in this field is done in industry, the performances of related specifications of two commercial TPMS sensor have also been included in the table [7,8].…”
Section: Experiments Resultsmentioning
confidence: 99%
“…Considering the measured 28 nA for low power relaxation oscillator and junction leakage current, this topology leaves a total of 90% of charge available for RF-transmission, piezoresisitive sensor an battery self-discharge with a battery capacity of 250 mAh. Table I compares the achieved performance with previous works [9]. Since most work in this field is done in industry, the performances of related specifications of two commercial TPMS sensor have also been included in the table [7,8].…”
Section: Experiments Resultsmentioning
confidence: 99%
“…This factor is eliminated in capacitive sensors (Gad-el-Hak, 2002). There is virtually no power consumption in the sensing element in capacitive pressure sensors due to the dc current component being zero (Gadel-Hak, 2002) and the low power capability of the capacitive measuring principle (Kolle et al, 2004).…”
Section: Capacitive Pressure Sensorsmentioning
confidence: 99%
“…Capacitive pressure sensors have been applied to TPMS devices due to their low power consumption, high accuracy and low temperature sensitivity (Rudolf and Hoogerwerf, 1997;APOLLO, 2003;Thurau and Ruohio, 2004;Kolle et al, 2004). Bracke et al (2007) presented the power consumption of various ultra-low power capacitive sensors' interfaces and showed experimentally that it is possible to achieve an average power consumption of 7.3 µW for a 10 Hz sampling frequency and 8 bit accuracy in the 100 to 130 kPa pressure range.…”
Section: Capacitive Pressure Sensorsmentioning
confidence: 99%
“…Recently the TPMSs, tires equipped with pressure sensors, are commercially available (19)(20) . In the case of installing our sensor systems to those TMPS tires, it is not preferable in terms of extra sensor weight and cost effectiveness.…”
Section: Air Pressure Effectsmentioning
confidence: 99%
“…Moreover, the COF data can be used for optimized driving control to maximize the road/tire friction force. In addition it will be possible to use the strain for a TPMS, which is mandatory in the United States as a result of the recent regulation of the TREAD Act (19)(20) .…”
Section: Introductionmentioning
confidence: 99%