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Studies of the Electronic Control System in the Fuel Injection Engine

Author: ZhangZhaoZhao
Tutor: LiuJianHui
School: Liaoning Technical University
Course: Applied Computer Technology
Keywords: ECU engine injection idle-speed Air-fuel ration control Neurocontrol
CLC: TK403
Type: Master's thesis
Year: 2005
Downloads: 533
Quote: 5
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Abstract


This paper describes the components in the common electronic control system of engine and presents the basic control theory and algorithm in the electronic control unit . to develop new-style engine ECU measuring device to get the MAP data from foreign ECU. The ECU measuring device can not only detect the foreign ECU, but also be used to optimize the control parameters in the ECU developed.In our studies, adjusting the throttle to the specific position, and letting engine rotary speed change from the lowest to the highest, at the same time , the data of the water temperature、 the fuel temperature、 the air press and the rotary speed can be noted. Moreover , we can measure the fuel quantity and the ignition angle. On the base of the data, the MAP of the steady state control can be constructed. The data can be used as specimen for studying ECU control algorithm .This paper also discusses speed and fuel control in automotive engine management. Automotive engines are typical nonlinear、 time-delay、 time-varying parameter systems. Intelligent control can solve many complex system control problems by integrating human knowledge into control systems. In this paper, the structures of speed neurocontrol are researched, neurocontrol and PID control applied to solve automotive speed and A/F control problems are efficient.

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CLC: > Industrial Technology > Energy and Power Engineering > Internal combustion engine > General issues > Structure
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