There is a constant interest in the performance capabilities of active suspensions without the associated shortcomings of degraded fuel economy. To this effect, electrodynamic dampers are currently being researched as a means to approach the performance of a fully active suspension with minimal or no energy consumption. This paper investigates the regenerative capabilities of these dampers during fully active operation for a range of controller types—emphasizing road holding, ride, and energy regeneration. A model of an electrodynamic suspension is developed using bond graphs. Two model predictive controllers (MPCs) are constructed: standard and frequency-weighted MPCs. The resulting controlled system is subjected to International Organization for Standardization (ISO) roads A–D and the results are presented. For all of the standard MPC weightings, the suspension was able to recover more energy than is required to run the suspension actively. All of the results for optimal energy regeneration occurred on the standard Pareto tradeoff curve for ride comfort and road holding. Frequency weighting the controller increased suspension performance while also regenerating 3–12% more energy than the standard MPC.
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Research-Article
On the Regenerative Capabilities of Electrodynamic Dampers Using Bond Graphs and Model Predictive Control
Layne Clemen,
Layne Clemen
Hyundai Center of Excellence in Vehicle
Dynamic Systems and Control,
Department of Mechanical and
Aeronautical Engineering,
University of California,
Davis, CA 95616
e-mail: laclemen@ucdavis.edu
Dynamic Systems and Control,
Department of Mechanical and
Aeronautical Engineering,
University of California,
Davis, CA 95616
e-mail: laclemen@ucdavis.edu
Search for other works by this author on:
Donald Margolis
Donald Margolis
Professor
Hyundai Center of Excellence in Vehicle
Dynamic Systems and Control,
Department of Mechanical and
Aeronautical Engineering,
University of California,
Davis, CA 95616
e-mail: dlmargolis@ucdavis.edu
Hyundai Center of Excellence in Vehicle
Dynamic Systems and Control,
Department of Mechanical and
Aeronautical Engineering,
University of California,
Davis, CA 95616
e-mail: dlmargolis@ucdavis.edu
Search for other works by this author on:
Layne Clemen
Hyundai Center of Excellence in Vehicle
Dynamic Systems and Control,
Department of Mechanical and
Aeronautical Engineering,
University of California,
Davis, CA 95616
e-mail: laclemen@ucdavis.edu
Dynamic Systems and Control,
Department of Mechanical and
Aeronautical Engineering,
University of California,
Davis, CA 95616
e-mail: laclemen@ucdavis.edu
Olugbenga Moses Anubi
Donald Margolis
Professor
Hyundai Center of Excellence in Vehicle
Dynamic Systems and Control,
Department of Mechanical and
Aeronautical Engineering,
University of California,
Davis, CA 95616
e-mail: dlmargolis@ucdavis.edu
Hyundai Center of Excellence in Vehicle
Dynamic Systems and Control,
Department of Mechanical and
Aeronautical Engineering,
University of California,
Davis, CA 95616
e-mail: dlmargolis@ucdavis.edu
Contributed by the Dynamic Systems Division of ASME for publication in the JOURNAL OF DYNAMIC SYSTEMS, MEASUREMENT, AND CONTROL. Manuscript received June 16, 2015; final manuscript received December 14, 2015; published online March 10, 2016. Assoc. Editor: Fu-Cheng Wang.
J. Dyn. Sys., Meas., Control. May 2016, 138(5): 051006 (7 pages)
Published Online: March 10, 2016
Article history
Received:
June 16, 2015
Revised:
December 14, 2015
Citation
Clemen, L., Anubi, O. M., and Margolis, D. (March 10, 2016). "On the Regenerative Capabilities of Electrodynamic Dampers Using Bond Graphs and Model Predictive Control." ASME. J. Dyn. Sys., Meas., Control. May 2016; 138(5): 051006. https://doi.org/10.1115/1.4032505
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