Efficiency of a regenerative direct-drive electromagnetic active suspension

B.L.J. Gysen; T.P.J. Sande, van der; J.J.H. Paulides; E. Lomonova

doi:10.1109/TVT.2011.2131160

Efficiency of a regenerative direct-drive electromagnetic active suspension

B.L.J. Gysen, T.P.J. Sande, van der, J.J.H. Paulides, E. Lomonova

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Abstract

The efficiency and power consumption of a direct-drive electromagnetic active suspension system for automotive applications are investigated. A McPherson suspension system is considered, where the strut consists of a direct-drive brushless tubular permanent-magnet actuator in parallel with a passive spring and damper. This suspension system can both deliver active forces and regenerate power due to imposed movements. A linear quadratic regulator controller is developed for the improvement of comfort and handling (dynamic tire load). The power consumption is simulated as a function of the passive damping in the active suspension system. Finally, measurements are performed on a quarter-car test setup to validate the analysis and simulations.

Original language	English
Pages (from-to)	1384-1393
Number of pages	10
Journal	IEEE Transactions on Vehicular Technology
Volume	60
Issue number	4
DOIs	https://doi.org/10.1109/TVT.2011.2131160
Publication status	Published - 2011

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AB - The efficiency and power consumption of a direct-drive electromagnetic active suspension system for automotive applications are investigated. A McPherson suspension system is considered, where the strut consists of a direct-drive brushless tubular permanent-magnet actuator in parallel with a passive spring and damper. This suspension system can both deliver active forces and regenerate power due to imposed movements. A linear quadratic regulator controller is developed for the improvement of comfort and handling (dynamic tire load). The power consumption is simulated as a function of the passive damping in the active suspension system. Finally, measurements are performed on a quarter-car test setup to validate the analysis and simulations.

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Efficiency of a regenerative direct-drive electromagnetic active suspension

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