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Active suspension system with integrated electrical tubular linear motor: design, control strategy and validation

Thul A., Eggers D., Riemer B., Hameyer K.

Archives of Electrical Engineering

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2015

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Vol. 64, nr 4

605--616

EN

This paper focuses on the design and control of an active suspension system, where a tubular linear motor is integrated into a spring damper system of a vehicle. The spring takes up the weight of the vehicle. Therefore the electric linear motor can be designed very compact as it has to provide forces to adjust the damping characteristic only. Design and construction of the active suspension system, a control strategy and validation measurements at a test bench are presented.

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Laboratory tests of active suspension system

Konieczny J.

Journal of KONES

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2011

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Vol. 18, No. 1

263-271

EN

The main purpose of this study is to design an active vehicle suspension ensuring high vibration isolation efficiency and stability though the limited consumption of external energy. Active systems used in vehicle suspensions widely employ parallel (full active) structures. It shall be analysed and tested experimentally. The major part of the study summarises the laboratory experiments carried on a designed active vehicle suspension in the form of a quarter car model. Apart from the vibration isolation efficiency offered by the designed and engineered suspension, other considered performance indicators include the system's stability and external energy demand. A laboratory model of the suspension is described and laboratory tests are outlined that were performed to check the adequacy of various control algorithms. An attempt is made to evaluate the energy demand for the given structure and to determine the power ratings of the source supplying the active vibration isolation system. Inter alia quarter-vehicle full active suspension, vibration displacement transmissibility in the function of frequency, transmissibility function from the input to the output for various types of actuator’s controllers, comparison of instantaneous power absorbed from the power-supplying unit for various types of actuator's controllers, comparison of instantaneous power intake from the supplying unit for various types of controllers are presented in the paper.

3

Analiza rozpraszania energii drgań w aktywnych zawieszeniach pojazdu dla wybranych algorytmów sterowania

Snamina J., Kowal J., Wzorek T.

Czasopismo Techniczne. Mechanika

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2011

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R. 108, z. 1-M

233-240

PL

W niniejszym artykule przedstawiono analizę rozpraszania energii drgań w aktywnym zawieszeniu pojazdu dla wybranych algorytmów sterowania. Przyjęte algorytmy sterowania zostały zbadane zarówno pod kątem skutecznej redukcji drgań masy resorowanej, jak i ilości energii rozpraszanej. Wybrano i opisano następujące algorytmy sterowania: algorytm realizujący ujemne sprzężenie od przyspieszenia, algorytm częściowo kompensujący składowe dynamiczne siły sprężystości układu zawieszenia oraz algorytm sterowania ślizgowego.

EN

The paper is devoted to calculation of the energy dissipation in active vehicle suspensions. Three methods of control were considered and results of analysis were discussed. Control algorithms presented in this paper are as follows: the negative feedback acceleration algorithm, the dynamic suspension stiffness compensation algorithm, the sliding mode control algorithm.