Investigation of time-varying internal model based control for camless engine valve actuation

Pradeep Gillella, Xingyong Song, Zongxuan Sun

Research output: Contribution to journalConference article

2 Citations (Scopus)

Abstract

This research focuses on the tracking control design for a camless engine valve actuator during engine speed transients. The cyclic but aperiodic valve reference signal to be tracked can be modeled using two different methods, i.e., as a combination of frequency varying sinusoids in the time domain or as a repetitive (periodic) signal in the rotational angle domain. The recently developed time-varying internal model based controller is ideally suited for both the approaches. Investigation of the continuous time and discrete domain implementations uncovers some unique characteristics resulting from the time-varying nature of the system which favor working in the discrete domain. A quantitative analysis comparing various performance metrics for the different approaches of modeling the reference signal helps highlight the relative advantages of each method. Finally, experimental results from a prototype camless engine valve actuation system help validate the overall effectiveness of the proposed approach.

Original languageEnglish (US)
Article number6426519
Pages (from-to)3741-3746
Number of pages6
JournalProceedings of the IEEE Conference on Decision and Control
DOIs
StatePublished - Dec 1 2012
Event51st IEEE Conference on Decision and Control, CDC 2012 - Maui, HI, United States
Duration: Dec 10 2012Dec 13 2012

Fingerprint

Model-based Control
Time-varying
Engine
Engines
Internal
Tracking Control
Performance Metrics
Quantitative Analysis
Control Design
Continuous Time
Time Domain
Actuator
Actuators
Prototype
Model-based
Controller
Angle
Controllers
Experimental Results
Chemical analysis

Cite this

Investigation of time-varying internal model based control for camless engine valve actuation. / Gillella, Pradeep; Song, Xingyong; Sun, Zongxuan.

In: Proceedings of the IEEE Conference on Decision and Control, 01.12.2012, p. 3741-3746.

Research output: Contribution to journalConference article

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