Development and optimization of an energy-regenerative suspension system under stochastic road excitation

Hou, Bo; Hsieh, Chen-Yu; Golnaraghi, Farid; Moallem, M.

doi:10.1016/j.jsv.2015.07.004

Cited by 51 publications

(18 citation statements)

References 24 publications

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“…According to ISO-8608, A to H are used to classify the roads [124]. Many authors have incorporated road models with the classifications in the simulation as the input excitation [50,120,125,126].…”

Section: Road Displacement Profilementioning

confidence: 99%

A Comprehensive Review of the Techniques on Regenerative Shock Absorber Systems

2018

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In this paper, the current technologies of the regenerative shock absorber systems have been categorized and evaluated. Three drive modes of the regenerative shock absorber systems, namely the direct drive mode, the indirect drive mode and hybrid drive mode are reviewed for their readiness to be implemented. The damping performances of the three different modes are listed and compared. Electrical circuit and control algorithms have also been evaluated to maximize the power output and to deliver the premium ride comfort and handling performance. Different types of parameterized road excitations have been applied to vehicle suspension systems to investigate the performance of the regenerative shock absorbers. The potential of incorporating nonlinearity into the regenerative shock absorber design analysis is discussed. The research gaps for the comparison of the different drive modes and the nonlinearity analysis of the regenerative shock absorbers are identified and, the corresponding research questions have been proposed for future work.

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Section: Road Displacement Profilementioning

confidence: 99%

A Comprehensive Review of the Techniques on Regenerative Shock Absorber Systems

2018

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“…Energy from vibrational sources is usually dissipated as hydraulic friction and heat. Traditionally, several researchers have focused attention on the energy wasted in the SAs, examining the feasibility of harvesting energy from the SA, as results in the literature [14][15][16][17][18]. In these papers, the approach was focused on the harvesting of the kinetic energy dissipated by the suspension.…”

Section: Introductionmentioning

confidence: 99%

Simulink model of a Regenerative Shock Absorber

Vergura¹

2024

RE&PQJ

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The field of the Electric Vehicles (EVs) is becoming a strategic laboratory for new solutions focused on the energy saving and/or the renewable energy sources. Regenerative brakes are well known and already applied in recent cars. In this paper, instead, the attention is focused on a regenerative Shock Absorber (SA), which converts its vibration-induced by the road roughness-in electrical energy. The vibration is transmitted to an electric generator through a mechanical component. Finally, the produced energy can be stored in a super capacitor for a future use. The paper proposes a Simulink-based model of this regenerative SA and compares the energy performance when the vehicle travels roads with different roughness, scientifically defined by means an index, said IRI.

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“…In recent years, domestic and overseas scholars have been studying on how to reduce the energy consumption of the active suspension, while ensuring dynamic performance of the vehicle [8][9][10][11]. Among them, many scholars put forward the hybrid suspension systems with different working modes so as to coordinate the contradictions between dynamic performance and energy consumption of the suspension system.…”

Section: Introductionmentioning

confidence: 99%

Endocrine Composite Skyhook-Groundhook Control of Electromagnetic Linear Hybrid Active Suspension

Kou

Jing

Chen

et al. 2020

Shock and Vibration

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In order to effectively improve vehicle riding comfort, handling stability, and realize vibration energy recovery, a new kind of electromagnetic linear hybrid active suspension (EMLHAS) integrated with linear motor and solenoid valve shock absorber is put forward. Firstly, for the analysis of the suspension performance, a quarter dynamic model of EMLHAS is established. At the same time, the mathematical models of a linear motor, including the active state and energy-regenerative state, are found. The correctness of mathematical models for the linear motor in the active and energy-regenerative states is verified by means of characteristic tests. Moreover, the velocity characteristic tests of solenoid valve shock absorber are carried out to determine its mathematical polynomial model in the semiactive state. Then, a new kind of multimode endocrine composite skyhook-groundhook control strategy is proposed. The suspension motion is divided into four modes according to the driving conditions of the vehicle. An endocrine control with long feedback and short feedback is combined with the skyhook-groundhook control. The control laws of the skyhook-groundhook controller and endocrine controller are, respectively, designed. Finally, the simulation analysis of suspension dynamic performance and energy-regenerative characteristic is done. The results show the control effect of endocrine composite skyhook-groundhook control is better than that of skyhook-groundhook control, which improves vehicle riding comfort and handling stability. Moreover, part of vibration energy is recovered.

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Development and optimization of an energy-regenerative suspension system under stochastic road excitation

Cited by 51 publications

References 24 publications

A Comprehensive Review of the Techniques on Regenerative Shock Absorber Systems

A Comprehensive Review of the Techniques on Regenerative Shock Absorber Systems

Simulink model of a Regenerative Shock Absorber

Endocrine Composite Skyhook-Groundhook Control of Electromagnetic Linear Hybrid Active Suspension

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