Abstract
ABSTRACT Now, MATLAB/SIMULINK software is popularly used by automotive electronic control designers to develop automotive electronic control systems and perform numerical simulations. But they will face problems, such as value initialization in the integrator block, conversion among differe nt data types, selection of if block and switch block, realization of the if-clause under multiple options and the auto-switching control, etc. Taking as an example the designing of an Automated Mechanical Transmission (AMT) system, this paper discusses some techniques and methods for modeling the automotive electronic c ontrol system with MATLAB /SIMULINK, offering designers some successful examples. Keywords: MATLAB/SIMULINK, automotiv e electronic control system, modeling, simulation SIMULINK, which is a new modeling tool based on MATLAB developing system, can greatly improve coding efficiency. It can be used in modeling dynamic systems and designing control systems. This method was used in this research to modeling the automotive electronic control system, because all the controlled objects in it were modularized and standardized, so we can compared different controlling methods and easily find the best one. Taking example of designing an Automated Mechanical Transmission (AMT) system, this paper discussed some techniques and problems in the modeling process, which mainly includes: value initialization in the integrator block, conversion among different data types, selection of if block and switch block, realization of the if-clause under multiple options, and the auto-switching control.
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