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In this study, an embedded system that performs compensation of the thermocouple output characteristic curve nonlinearities was designed. Mixed-signal microcontroller's peripheral units are used to amplify the low output voltage of the thermocouple to a desired level and and converted to digital without additional circuit elements, and noise reduction is implemented with a digital filter. Cold junction...
Since more than two years, the First G-APD Cherenkov Telescope (FACT) is operating successfully at the Canary Island of La Palma. Apart from its purpose to serve as a monitoring facility for the brightest TeV blazars, it was built as a major step to establish solid state photon counters as detectors in Cherenkov astronomy.
In this paper more temperature measuring techniques will be presented. Our focus is on the technique, how to get the temperature information from the sensor to the PC, not the software it's self. Four temperature sensors will be presented, each of them different, needing different kind of mathematic calculation to obtain the temperature. To know these methods some experience is needed. Only reading...
The detection of Pressure between cerebral palsy patients' body and rehabilitation props, is important to the correction of props and sitting directly evaluate objectively. Develop the special pressure sensor, may to detect pressure distribution between the human body and rehabilitation props at any time. For clinical effect evaluation, auxiliary adjustment and update provide quantitative basis.
Protection of an induction motor (IM) against possible problems, such as overvoltage, overcurrent, overload, overtemperature, and undervoltage, occurring in the course of its operation is very important, because it is used intensively in industry as an actuator. IMs can be protected using some components, such as timers, contactors, voltage, and current relays. This method is known as the classical...
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