Experimental Comparison of Losses for Conventional Passive and Energy Efficient Active Suspension Systems

Beno, J.H.; Weeks, D.A.; Bresie, D. A.; Guenin, A. M.; Wisecup, J. S.; Bylsma, W.

doi:10.4271/2002-01-0282

Cited by 10 publications

(13 citation statements)

References 5 publications

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“…59 The energy dissipation analysis related to the braking actuation system and the vehicle's suspension system is targeted to investigate the potential of advanced technologies to improve the fuel economy. Results on the energy dissipation of conventional (passive) automotive suspensions have been given by Beno et al 60 and Soliman, 61 indicating that the dissipation could be reduced by up to 15% through the use of active systems. Similar results have been shown for the hydraulic system of the brakes, justifying the introduction of 'bywire' technologies such as electrohydraulic or electromechanical systems.…”

Section: Vehicle Chassis: Braking and Suspension Systemsmentioning

confidence: 99%

“…A large portion of the sources referenced in the section on the analysis of the vehicle energy contain indications of potential paths towards a reduction in the energy dissipation. 13,18,36,45,[49][50][51]55,[59][60][61][65][66][67] The objective of this section is to provide an overview of the current and future technologies aimed at improving the vehicle's fuel economy through a reduction in and management of the energy dissipation of different vehicle systems.…”

Section: Managing Energy Dissipation: State Of the Art And Technology Trendsmentioning

confidence: 99%

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A review of energy consumption, management, and recovery in automotive systems, with considerations of future trends

Chiara

Canova

2013

Proceedings of the Institution of Mechanical Engineers, Part D:

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In response to the current and future energy and environment challenges, the automotive industry is strongly focusing on improving the fuel efficiency of vehicles. Although the electrification of automotive powertrains is clearly the principal path towards sustainable transportation, many opportunities still exist to improve the fuel economy of conventional vehicles. However, some of the technical solutions representing the state of the art in research and advanced development are difficult to benchmark in terms of their potential benefits for fuel consumption improvement. A greater understanding of the fuel energy utilization on the vehicle (here intended as a ‘system’ ) is therefore necessary in order to identify the readily available opportunities for efficiency improvements and, ultimately, to develop automobiles which are more fuel efficient. To this extent, this paper presents a review of the state of the art and technology trends in the field of energy management and recovery for automotive systems, with the primary focus on conventional powertrains. An understanding of the fuel energy utilization and dissipation associated with the vehicle subsystems (the engine, transmission, and chassis) is provided, as well as an overview of the opportunities and potential challenges in improving the fuel economy through system-level energy management, recovery, and harvesting. Finally, an overview of the most important solutions for managing energy dissipation, energy recovery, and harvesting is presented, discussing their potential for fuel economy improvement, technical readiness, and challenges. Wherever possible, projections on fuel economy improvements, based on either experimental data or simulations, are reported to provide opportunity for the assessment and comparison of current and future technologies.

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Section: Vehicle Chassis: Braking and Suspension Systemsmentioning

confidence: 99%

Section: Managing Energy Dissipation: State Of the Art And Technology Trendsmentioning

confidence: 99%

A review of energy consumption, management, and recovery in automotive systems, with considerations of future trends

Chiara

Canova

2013

Proceedings of the Institution of Mechanical Engineers, Part D:

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“…Suda et al [4] and Beno et al [5][6] independently investigated vehicle using electromagnetic suspension with rack-pinion mechanism. This study resulted in significant enhancement of limit speed and handling performance of the vehicle.…”

Section: Introductionmentioning

confidence: 98%

Investigation of Vehicle Parameters in Regenerative Coil Suspension Design

Selvan¹,

Navin²,

k³

2014

Int. J. Vehicle Structures and Systems

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Regenerative type suspensions are employed to recover energy that is unproductively dissipated in dampers in automotive suspension system. In order to effectively recover energy from suspension, an attempt has been made in the design to capitalize the vehicle parameters and concoct a suitable linear generator in unison with helical spring. The performance characteristics drawing suitable inferences between the vehicle parameters and suspension specifications are well investigated.

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“…When the coil and magnet assemblies move relatively with each other, electricity will be produced. There three configurations to produce electricity, including a linear electromagnetic generator [7,8,9], rack-pinion [10,11,12] and ball-screw [13,14,15]. Although the linear electromagnetic generator has a simple construction and works steadily, its efficiency is relatively low.…”

Section: Introductionmentioning

confidence: 99%

Development of a Hydraulic Energy Harvester for Shock Absorber

Xie¹,

Li²,

Cai³

et al. 2018

Proceedings of the 2018 International Conference on Computer Science, Electronics and Communication Engineering (CSECE 2018)

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This project is to design and manufacture a novel shock absorber with energy harvesting to reclaim vibration energy from automotive suspension system during driving. In order to improve safety and comfort, shock absorbers are used in automotive to remove vibration energy during driving, who adopt hydraulic system to convert vibration energy into heat so that vibration can be removed from the automotive suspension system. Obviously, the vibration energy is wasted. In this project, on the basis of satisfying the function request of automotive shock absorber, a mechanism for harvesting vibration energy is added to shock absorber to reclaim the vibration energy and convert it to electricity. Analysis shows that all four shock absorbers in one car can generate 2~4kW electricity at 0.25~0.5 m/s RMS suspension velocity, which can power all electronics in car and reduce automotive emission.

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Experimental Comparison of Losses for Conventional Passive and Energy Efficient Active Suspension Systems

Cited by 10 publications

References 5 publications

A review of energy consumption, management, and recovery in automotive systems, with considerations of future trends

A review of energy consumption, management, and recovery in automotive systems, with considerations of future trends

Investigation of Vehicle Parameters in Regenerative Coil Suspension Design

Development of a Hydraulic Energy Harvester for Shock Absorber

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