Optimization of control variables for automated transmission engagement

Tepeš, Bojan and Deur, Joško and Kasać, Josip (2010) Optimization of control variables for automated transmission engagement. = Optimization of control variables for automated transmission engagement. In: UKACC International Conference on CONTROL 2010, 07-10.09.2010., Coventry, United Kingdom.

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Official URL: https://www.bib.irb.hr/482506

Abstract

A back propagation through time-like conjugate gradient-based optimal control algorithm is used to optimize control variable trajectories of an automated automotive transmission for the engagement task. The optimization criterion is to maximize the end vehicle speed and minimize the dissipated clutch energy and the shuffle mode vibration content. The optimization results are obtained for different engagement times using a simple second-order power train model. They give optimal profiles of engine speed and clutch slip speed state variables, which can be used as reference variables of optimal feedback controller. The optimization results are verified by computer simulation using a sixth-order power train model including the halfshaft and clutch compliance effects.

Item Type: Conference or Workshop Item (Lecture)
Keywords (Croatian): automated transmission; automatic transmission; automotive systems; automotive transmissions; optimal control algorithm; optimal controls; optimal feedback; optimization criteria; algorithms; clutches; computer simulation; conjugate gradient method; control; vibrations (mechanical); optimization
Subjects: TECHNICAL SCIENCE > Mechanical Engineering
Divisions: 900 Department of Robotics and Production System Automation > 910 Chair of Engineering Automation
Indexed in Web of Science: No
Indexed in Current Contents: No
Date Deposited: 17 Apr 2015 07:03
Last Modified: 12 Sep 2018 10:42
URI: http://repozitorij.fsb.hr/id/eprint/3590

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