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Feed forward disturbance rejection by a multiple FIFO approach for varying system delay compensation, Schriftenreihe Advances in Mechatronics, Band 26Kokal · alle anzeigen

Feed forward disturbance rejection by a multiple FIFO approach for varying system delay compensation, Schriftenreihe Advances in Mechatronics, Band 26


126 Seiten, 17 x 24 cm, broschiert
1. Auflage 2014

ISBN 978-3-99033-433-1
Art. Nr. 20190261
per E-Mail weiterleiten
 
Dieser Artikel ist nicht bestellbar.


This work is concerned with the increase of the dynamic performance of an engine test bench by suitable combination of a mechanical modification with respect to the standard layout made possible by a new control concept. The improvement of the dynamic performance can be achieved by increasing the stiffness of the connecting shaft between combustion engine and dynamometer. Compared to conventional engine test benches equipped with a standard shaft the torque dynamic with a stiff shaft is a multiple. The torque generation of a combustion engine oscillates with high amplitudes depending on the load request of the driver on the one side, on the other side also the frequency changes in different speed operating points. So heightening the stiffness of the shaft ends always in meeting torque oscillation frequencies as disturbance with the natural eigenfrequency of the engine test bench. Due to the repeatability of combustion cycles a feed forward compensation with time delay compensation of the control loop was implemented.




Dr. Helmut Kokal is responsible for simulation and control in the department of Research and Technology in division Instrumentation and Test Systems of AVL List GmbH in Graz. He received his Ph.D. from Johannes Kepler University Linz. He has 15 years experiences in control science, power train simulation technology as well as test bench simulation and control, embedded systems, real time application, real time co-simulation, test bench applications. In AVL he is coordinating several research projects in the field of automotive powertrain testing focused on testing, test generation, simulation environment related to advanced driver assistance systems and autonomous driving. He has several patents and published various scientific papers.