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Erschienen in:
2014 | OriginalPaper | Buchkapitel
Design of Numerical Control Power Supply System for Gas-Sensing Test Instrument
verfasst von : Gaochen Gu, Shengquan You, Xun Liu, Jinming Wang, Guolong Liu, Hao Cai, Hui Suo
Erschienen in: Unifying Electrical Engineering and Electronics Engineering
Verlag: Springer New York
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Abstract
In order to reduce the researchers’ workload in testing gas-sensing materials, a numerical control power supply system is proposed in this chapter. The power supply system is used to heat the gas-sensing materials. In this system, multistep input voltage is designed for the purpose of enhancing efficiency and negative feedback network is used to ensure the stability of the output voltage. An excellent linear relationship between the temperature and voltage of the ceramic heating plate has been found, which can be made use of in the software design. Test results show that this system has excellent properties such as fast dynamic response and high efficiency and provides a great convenience for gas-sensing materials testing.