In-cylinder measurement for engine cold-start control

We examine the use of in-cylinder measurements for engine control, with emphasis on emissions control during cold start. First, the cold start emissions control problem is described. An overview of previous research in the area of in-cylinder measurements for control is presented, including sensors for pressure and other quantities. Next, analysis of cylinder pressure is described. Lastly, a cold-start engine test stand, and preliminary experimental tests of cylinder pressure measurement and real-time processing are presented.