Control of Camless Intake Process—Part II1-Reference-Cited by-同舟云学术

Control of Camless Intake Process—Part II1

Published:1998-07-14 Issue:1 Volume:122 Page:131-139
ISSN:0022-0434
Container-title:Journal of Dynamic Systems, Measurement, and Control
language:en
Short-container-title:

Author:

Ashhab M.-S. S.¹,Stefanopoulou A. G.¹,Cook J. A.²,Levin M. B.²

Affiliation:

1. Mechanical and Environmental Engineering Department, University of California, Santa Barbara, CA 93106

2. Ford Motor Company, Scientific Research Laboratory, Dearborn, MI 48121

Abstract

A model-based control scheme is designed to regulate the cylinder air charge of a camless multicylinder engine for unthrottled operation. The controller consists of a feedforward and an adaptive feedback scheme based on a control-oriented model of the breathing process of an engine equipped with electro-hydraulic springless valvetrain. The nonlinear control scheme is designed to achieve cylinder-to-cylinder balancing, fast cycle-to-cycle response, and minimization of pumping losses. The algorithm uses conventional sensor measurements of intake manifold pressure and mass air flow to the intake manifold, and intake valve duration measurement. Closed-loop simulation results are shown for a four-cylinder engine. [S0022-0434(00)03001-X]

Publisher

ASME International

Subject

Computer Science Applications,Mechanical Engineering,Instrumentation,Information Systems,Control and Systems Engineering

Link

http://asmedigitalcollection.asme.org/dynamicsystems/article-pdf/122/1/131/5642637/131_1.pdf

Reference5 articles.

1. Ashhab, M. S., Stefanopoulou, A. G., Cook, J. A., and Levin, M., 1998, “Camless Engine Control for Robust Unthrottled Operation,” SAE Paper No. 981031.

2. Urata, Y., Umiyama, H., Shimizu, K., Fujiyoshi, Y., Sono, H., and Fukuo, K., 1993, “A Study of Vehicle Equipped with Non-Throttling SI Engine with Early Intake Valve Closing,” SAE Paper No. 930820.

3. Vogel, O., Rousssopoulos, K., Guzzella, L., and Czekai, J., 1996, “An Initial Study of Variable Valve Timing Implemented with a Secondary Valve in the Intake Runner,” SAE Paper No. 960590.

4. Schecter, M. M., and Levin, M. B., 1996, “Camless Engine,” SAE Paper No. 960581.

5. Astrom, K., and Wittenmark, B., 1989, Adaptive Control, Addison-Wesley, Reading, MA.

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