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Hybrid model predictive controller for engine air-ratio control
Wong P.K.; Wong H.C.; Iong T.M.; Vong C.M.
2014
Conference Name13th International Conference on Control Automation Robotics & Vision (ICARCV)
Source Publication2014 13th International Conference on Control Automation Robotics and Vision, ICARCV 2014
Pages181-186
Conference DateDEC 10-12, 2014
Conference PlaceSingapore, SINGAPORE
Abstract

Air-ratio is an important engine parameter which relates closely to engine emissions, power, and brake-specific fuel consumption. Model predictive controller (MPC) is a well-known technique for air-ratio control. This paper utilizes two advanced techniques, discrete wavelet transformation (DWT) and relevance vector machine (RVM), to develop wavelet relevance vector machine model predictive controller (W-MPC) for air-ratio regulation. To compensate for the modelling error of W-MPC and system disturbances, the W-MPC is proposed to connect in parallel with a proportional-integral (PI) controller so as to form a new hybrid model predictive controller (H-MPC). The proposed H-MPC is implemented on a real engine to evaluate its effectiveness. Its control performance is also compared with the W-MPC without PI controller and the latest MPC for engine air-ratio control in the literature. Experimental results show the superiority of the proposed H-MPC over the other two controllers, which can more effectively regulate the air-ratio to target values under external disturbance. Therefore, the proposed H-MPC is a promising scheme for engine air-ratio control.

KeywordDiscrete Wavelet Transform Engine Air-ratio Model Predictive Control Wavelet Relevance Vector Machine
DOI10.1109/ICARCV.2014.7064301
URLView the original
Indexed BySCI
Language英语
WOS Research AreaAutomation & Control Systems ; Computer Science ; Engineering ; Robotics
WOS SubjectAutomation & Control Systems ; Computer Science, Artificial Intelligence ; Engineering, Electrical & Electronic ; Robotics
WOS IDWOS:000393395800033
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Citation statistics
Document TypeConference paper
CollectionDEPARTMENT OF ELECTROMECHANICAL ENGINEERING
AffiliationUniversidade de Macau
Recommended Citation
GB/T 7714
Wong P.K.,Wong H.C.,Iong T.M.,et al. Hybrid model predictive controller for engine air-ratio control[C],2014:181-186.
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