Design of Heating Control System for UEGO Sensor

Ji Fei Lu; Chang Ji Zhu; Da Wei Qu; Xiao Lu

doi:10.4028/www.scientific.net/AMR.732-733.1231

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 732-733Design of Heating Control System for UEGO Sensor

Design of Heating Control System for UEGO Sensor

Abstract:

Universal Exhaust Gas Oxygen (UEGO) Sensor is one of the most important sensors for the close-loop air-fuel-ratio control system of automobile engine. Due to its special structure, controller is used to control sensors temperature so that UEGO sensor can work normally. Aiming at nonlinear characteristic of the temperature control module, a subsection heating control method and a PID algorithm is studied. UEGO heating controller is implemented by means of Motohawk real time simulation system. Experimental results show that under the condition of different temperature, the UEGO is also able to maintain the best working temperature.

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Periodical:

Advanced Materials Research (Volumes 732-733)

Pages:

1231-1235

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.732-733.1231

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Online since:

August 2013

Authors:

Ji Fei Lu, Chang Ji Zhu, Da Wei Qu, Xiao Lu

Keywords:

Nonlinear Heat Control, PID Control, Universal Exhaust Gas Oxygen Sensor

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