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Neural network control of automotive fuel-injection systems

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3 Author(s)
Majors, M. ; Dept. of Inf. Eng., Cambridge Univ., UK ; Stori, J. ; Dong-il Cho

A neural network methodology is developed for air-to-fuel (A/F) ratio control of automotive fuel-injection systems. The dynamics of internal combustion engines and fuel-injection systems are extremely nonlinear, impeding methodical application of control theories. Thus, the design of standard production controllers relies heavily upon calibration and look-up tables. A neural network-type controller is developed in this article for its function-approximation abilities and its learning and adaptive capabilities. A cerebellar model articulation controller (CMAC) neural network is implemented in a research automobile to demonstrate the feasibility of this control architecture. Experimental results show that the CMAC fuel-injection controller is very effective in learning the engine nonlinearities and in dealing with the significant time-delays inherent in engine sensors.<>

Published in:

Control Systems, IEEE  (Volume:14 ,  Issue: 3 )