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Engine cold start is an important issue in the automobile development. The traditional control strategy of cold start is an open-loop control that results in a high HC emission. In the paper, the improved control strategy for SI engine cold start is discussed. And it indicates that the A/F ratio, ignition time and the desired idle speed are the 3 important parameters for the cold start. In order to...
According to the evaluation method of riding comfort and handling safety of automotive, the acceleration of the sprung mass, dynamic tyre load between wheels and road and dynamic deflection between the sprung mass and the unsprung mass are determined as the evaluation targets of suspension performance. The least means squares (LMS) adaptive algorithm is used in active suspension system. With adjusting...
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