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Journal articles on the topic 'Regenerative shock absorber'

Author: Grafiati

Published: 3 June 2025

Last updated: 20 July 2025

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Yasin, Faisal, Xie Fangwei, Muhammad Mujtaba, Asad Ali, and Muhammad Rizwan Khan. "A Theoretical and Simulation Performance Study of Hydraulic Electric Energy Regenerative Shock Absorber." Journal of Advance Research in Mechanical & Civil Engineering (ISSN: 2208-2379) 5, no. 3 (2018): 13–21. http://dx.doi.org/10.53555/nnmce.v5i3.301.

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To enhance the fuel economy of automobile and extend the thermal fatigue duration of the typical shock absorbers, energy regenerative shock absorbers have enticed huge attention. Hydraulic electric energy-regenerative shock absorber (HERSA) is a new kind of shock absorber which can regenerate an amount of energy, dissipated as the heat energy in traditional shock absorber. This paper briefly describes HERSA’s working principle, uses AMESim (hydraulic simulation software) to get damping attribute of HERSA as properly as conventional shock absorber through some theoretical and simulation tests. On the basis of simulation outcomes, we differentiate the hydraulic electric energy regenerative shock absorber (HERSA) and traditional shock absorber, and the results revealed that the inclusive performance of the prior is higher to that of the recent, but it shows the theoretical possibilities of HERSA’s structure to improve fuel economy and ride comfort.

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U.Mahaboob, Basha. "Design and Analysis of Regenerative System in Shock Absorber." J. of Advancement in Engineering and Technology 6, no. 3 (2018): 02. https://doi.org/10.5281/zenodo.1250204.

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The energy source of vehicles is changing rapidly and significantly in recent years with the increase in renewable energy technologies especially in the case of electric vehicles (EVs). A smart solution has emerged in which the wasted energy in a vehicle’s shock absorber is converted to an alternative energy for the cars themselves, and this is called an energy regenerative shock absorber. Whereas existing regenerative shock absorbers mainly focus on the methods of energy harvesting, there is no such regenerative shock absorber for use in extended range EVs. In this project, we present a novel high-efficiency energy regenerative shock absorber using super capacitors that is applied to extend the battery endurance of an EV. A renewable energy application scheme using regenerative shock absorbers for range extended EVs is designed. This system collects the wasted suspension power from the moving vehicle by replacing the conventional shock absorbers as these energies are normally dissipated through friction and heat.

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Guntur, Harus Laksana, and Wiwiek Hendrowati. "A Comparative Study of the Damping Force and Energy Absorbtion Capacity of Regenerative and Conventional-Viscous Shock Absorber of Vehicle Suspension." Applied Mechanics and Materials 758 (April 2015): 45–50. http://dx.doi.org/10.4028/www.scientific.net/amm.758.45.

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This paper presents a comparative study of the damping force and energy absorbtion capacity of a typical conventional-viscous and a regenerative shock absorber for vehicle suspension. Regenerative shock absorber (RSA) is a shock absorber which can regenerate the dissipated vibration energy from vehicle suspension into electricity. In this research, a prototype of regenerative shock absorber was developed, its damping force and energy absorbtion capacity were tested, and the results were analized and compared with those of a typical conventional-viscous shock absorber. The regenerative and viscous shock absorber were compressed and extended in various excitation frequency using damping force testing equipment to obtain force-velocity and the force-displacement curves. The force-velocity and force-displacement curves indicate the damping force and energy absorbtion capacity of the shock absorber. The results show that the damping force of the typical-viscous shock absorber closed to linear at all exciation frequencies. For regenerative shock absorber, nonlinearity and large hysteresis area of the damping force occur at all excitation frequencies. Further, the energy absorbtion capacity of the typical-viscous shock absorber shows an elliptical area with the compression part bigger than the extension one, while those of the regenerative shock absorber shows an asymmetric square area, which indicates a smaller energy absorbtion capacity. These phenomena indicate the significant effect of implementing dry friction damper and elctrical damper to the characteristics of regenerative shock absorber.

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Guntur, Harus Laksana, Wiwiek Hendrowati, and Tidy Budiarto. "Modeling and Analysis of Hybrid Shock Absorber for Military Vehicle Suspension." Applied Mechanics and Materials 493 (January 2014): 315–20. http://dx.doi.org/10.4028/www.scientific.net/amm.493.315.

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This paper deals with the design, modeling and analysis of a hybrid shock absorber for vehicle suspension. A specific design of frictional-electromagnetic-regenerative shock absorber is proposed. The hybrid shock absorber consists of the proposed frictional-electromagnetic-regenerative shock absorber assembled in parallel with a conventional-viscous shock absorber. The concept of hybrid shock absorber is proposed due to the following advantages: the regenerative shock absorber will recover some wasted vibration energy from the suspension into electrical energy to support the need for electrical energy of the vehicle, while the viscous shock absorber maintains the performance of suspension closed to its original suspension. The vehicle suspension system dynamic was mathematically modeled for three different types of suspension:1).Conventional suspension using viscous shock absorber; 2).Hybrid suspension using combination of 50% frictional-electromagnetic-regenerative shock absorberand50% viscous shock absorber; and 3).Full regenerative suspension using 100% frictional-electromagnetic-regenerative shock absorber. In this research, 6 wheels military vehicle (APC:Armour Personal Carrier) is chosen as the model due to the high possibility of applying regenerative suspension to the military/off road vehicle. Based on the mathematical models, performances of the vehicle suspension and the regenerated power from regenerative shock absorber (RSA) were simulated. The results were compared between the three types of suspension and discussed.

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Zi, Xiao Lin, Si Jing Guo, Xue Xun Guo, and Jing Pan. "A Study on the Theory and Performance Simulation of the Hydraulic Electromagnetic Energy-Regenerative Shock Absorber." Advanced Materials Research 798-799 (September 2013): 307–10. http://dx.doi.org/10.4028/www.scientific.net/amr.798-799.307.

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Hydraulic electromagnetic energy-regenerative shock absorber (HESA) is a new type of shock absorber which can regenerate a portion of energy dissipated as thermal energy in conventional shock absorber. This paper briefly describes HESAs working principle, uses AMESim, a hydraulic simulation software, to get damping characteristic of HESA as well as conventional passive shock absorber by doing some simulation tests, and contrasts the two consequents. Simulation results show that HESA has its unique damping characteristic, and its regenerative characteristic performs well.

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Patil, Himanshu. "REGENERATIVE SHOCK ABSORBERS." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 08, no. 05 (2024): 1–5. http://dx.doi.org/10.55041/ijsrem32841.

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Electric vehicles (EVs) have gained popularity as a solution to the fossil fuel crisis and carbon emissions. However, limited range due to battery constraints has been a major obstacle to widespread adoption. Battery management strategies, fast charging, and strategic charging station placement are some of the solutions being explored to address this issue. Another solution is to harness energy from the shock absorbers, which are responsible for filtering vehicle vibrations on rough roads. Research has been conducted since the 1980s on harnessing energy from shock absorbers, and REGENERATIVE SHOCK ABSORBERS have been proposed as a way to harvest the kinetic energy dissipated by suspension vibrations. Studies have shown that REGENERATIVE SHOCK ABSORBERS can produce up to 400W of power at 100 km/h, and can improve the energy harvesting and ride comfort of regenerative vehicle suspensions. Some studies have used electromagnetic methods to generate electric power, while others have used hydraulic methods. The use of regenerative shock absorbers in EVs is a promising solution that has the potential to significantly extend the range of these vehicles. KEYWORDS: Regenerative shock absorber; vehicle suspension; vehicle kinetic energy recovery.

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Xu, Lin, Zu Bo Li, Xue Xun Guo, and Bian Gong. "Performance Simulation of Hydraulic Energy-Regenerative Shock Absorber." Advanced Materials Research 798-799 (September 2013): 382–85. http://dx.doi.org/10.4028/www.scientific.net/amr.798-799.382.

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This paper presents several kinds of energy-regenerative shock absorbers, which all exist some problems. Then, we put forward a novel type of shock absorber: Hydraulic Energy-regenerative Shock Absorber (HESA). In this paper, we focus on damping characteristic and energy recovery of HESA. Its feasible that damping force can be increased by adding a damping orifice in the extension stroke. The damping characteristic of HESA meets the requirements, whats more, it has great potential on energy recovery.

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Fang, Zhi Gang, Xue Xun Guo, Lin Xu, and Jie Zhang. "Researching on Valve System of Hydraulic Electromagnetic Energy-Regenerative Shock Absorber." Applied Mechanics and Materials 157-158 (February 2012): 911–14. http://dx.doi.org/10.4028/www.scientific.net/amm.157-158.911.

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Hydraulic electromagnetic energy-regenerative shock absorber is a new kind of shock absorbers, who can perform the function of a standard shock while acting as an additional source of power. One of the core components of this new shock absorber is the valve system. And its function is to rectify the direction of the oil flow. Then the oil can flow through the hydraulic motor from one port only no matter in expansion stroke or compression stroke. The research focused on the compactness, sensitivity and energy recovery rate of two different valve systems. And the results showed that the valve system composed of check valves better matched the hydraulic electromagnetic energy-regenerative shock absorber.

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Zhang, Cheng Cai, Zhe Xiong, Zhi Gang Fang, and Xue Xun Guo. "The Operating Principle and Experimental Verification of the Hydraulic Electromagnetic Energy-Regenerative Shock Absorber." Advanced Materials Research 655-657 (January 2013): 1175–78. http://dx.doi.org/10.4028/www.scientific.net/amr.655-657.1175.

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This paper introduces a new type of shock absorber: hydraulic electromagnetic energy-regenerative shock absorber (HESA), which can simultaneously implement the function of damping vibration and regenerating a portion of dissipated energies generated from passing through the damping hole. A test bench was trial-produced and used to prove the feasibility of the energy-regenerative scheme. The situation that hydraulic motor rotational speed has a sudden change in the energy regenerating process is theoretically analyzed.

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Sultoni, Arif Indro, I. Nyoman Sutantra, and Agus Sigit Pramono. "Modeling, Prototyping and Testing of Regenerative Electromagnetic Shock Absorber." Applied Mechanics and Materials 493 (January 2014): 395–400. http://dx.doi.org/10.4028/www.scientific.net/amm.493.395.

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It is well fact known that automobiles are inefficient, wasting over 74% of energy stored in fuel as a heat. One important loss is the dissipation of vibration energy by shock absorbers in the vehicle suspension under the excitation of road irregularity and vehicle acceleration or deceleration. In this paper we design, characterize and test a regenerative electromagnetic shock absorber which can effectively recover the vibration from the road irregularity. Regeneration energy is main purpose of the design without omit vehicle comfort and handling. The dynamic model of the entire system of the electromagnetic shock absorber was proposed and described. The performance of the electric shock absorber obtained from simulations was compared toward the experiment results. Refers to the simulation, a quarter car will be able to harvest 45 Watt average power while passing C class roads with 50 km/h vehicle speed. A peak power of 45 Watt and average power of 11.43 Watt are attained from the prototype when oscillating speed of bench test at 0.1 m/s, the RMS value of suspension velocity when vehicle pass C class road with speed 50 km/h.

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Zheng, Peng, Ruichen Wang, Jingwei Gao, and Xiang Zhang. "Parameter Optimisation of Power Regeneration on the Hydraulic Electric Regenerative Shock Absorber System." Shock and Vibration 2019 (June 11, 2019): 1–13. http://dx.doi.org/10.1155/2019/5727849.

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With the increasingly prominent energy issues, regenerative shock absorber has attracted intensive attention in last two decades for the development of structure design. However, the researchers sometimes concentrate on conceptual designs without considering optimal parameter refinements. This paper proposes a regenerative shock absorber called the “hydraulic electric regenerative shock absorber (HERSA)” which includes an analytical regeneration performance parameters optimisation approach to promote the regeneration efficiency and regenerated power. The developed HERSA model is able to convert oscillatory motion into unidirectional rotary motion through the alteration of hydraulic flow while recovering power by a generator. The proposed model is also capable of obtaining the optimal parameters at certain condition, as well as providing the flexibility of different component combinations to match specific system need. The results demonstrate that the proposed model can effectively decide the optimal parameters in the system, and also the recoverable power can achieve average power of 331 W at 1 Hz-25 mm sinusoidal excitation in the system, which is approximately 65% efficiency. This study can be further used to guide prototype design in future study.

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Kireev, A. V., N. M. Kozhemyaka, and N. V. Grebennikov. "Energy-regenerative Shock Absorber Mathematical Model." Procedia Engineering 206 (2017): 1741–46. http://dx.doi.org/10.1016/j.proeng.2017.10.707.

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Akash, Thenayamchery, T. A. Arjun, P. R. Harikrishnan, Jose Alphin, and Sheeja Janardhanan Dr. "Regenerative Suspension System." Journal of Automotive Engineering & Technology 5, no. 2 (2020): 11–21. https://doi.org/10.5281/zenodo.4018696.

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Shock absorber is a device used to absorb shocks in an automobile. The energy required to damp these vibrations is wasted in the form of heat. A regenerative shock absorber transfers this vibration into electrical energy while satisfactory performance could be maintained. Here the suspension system is considered to be undergoing free vibrations under road shock and the maximum displacement that it can undergo upon traversing over a pothole or road unevenness has been found. This displacement was found using a developed Matlab code and verified using ANSYS Workbench. A rack and pinion arrangement is provided to transmit the displacement of the spring and in turn coupled with a generator. The rack is attached to the suspension and the pinion is coupled with a DC motor. When the vehicle travels over a pothole there will be a vertical movement in the suspension. Since the rack is attached to the movement gets converted to the rotating motion of the pinion which rotates the DC motor and produces electric power. The energy produced so can be used for the running of auxiliary lights or charging the battery in an electric vehicle. Thus the efficiency and range of the vehicle can be enhanced.

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Truong, Van-Thuan, Kieu-Hiep Le, and Dong Nguyen. "A NUMERICAL STUDY OF REGENERATIVE SHOCK ABSORBER FOR VEHICLE CONSIDERING CONVENTIONAL PERFORMANCE." JP Journal of Heat and Mass Transfer 37, no. 5 (2024): 727–37. http://dx.doi.org/10.17654/0973576324046.

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The main aim of this study is to propose a configuration of regenerative shock absorber for vehicle considering conventional performance. An improved hydraulic shock absorber model with an integrated permanent magnet actuator is established. The dynamic characteristics of both mechanical and electric parts are reviewed for a whole power line. Then, the system is mathematically modeled and implemented by numerical simulation. The obtained results are consistent with the theories of mechanics and energy. The investigation indicates that the proposed configuration of regenerative shock absorber is feasible and deduces a practically technical solution for related fields.

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Patil, Yash, Om Mali, Parth Mahajan, Harsh Raut, and Pranit Mehata. "Power Generation by Shock Absorber." International Journal for Research in Applied Science and Engineering Technology 11, no. 4 (2023): 2923–28. http://dx.doi.org/10.22214/ijraset.2023.50768.

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Abstract: In a country like India, two-wheeler vehicles are predominant over four wheelers. According to data taken from internet, around 20 million two wheelers were sold in 2017/18, as compared to 4 million four wheelers. And this demand keeps on increasing in India. Keeping this mind, a huge potential of energy is being wasted every day. This project is one of the methods to harvest those wasted energy. That’s why this project is under energy recovery. All the major advancements and break through has been done mostly on four wheelers. To name some energy recovery mechanisms, regenerative brakes, regenerative shocks, MGU-H, MGU-K. Even the companies like AUDI and BMW have started launching commercial vehicles which come with energy recovery systems. The main purpose of the dampers is to keep the tires in contact with the ground all the time. Other functions include to absorb the vibrations produced due to irregularities of the surface. This prototype aims to convert these vibrational energies into electricity which otherwise would have been wasted. In a way it can be called Regenerative dampers, which is completely mechanical in nature. This prototype uses a rack and pinion arrangement to convert the reciprocating motion of the bike front fork into a linear motion. The motor is coupled to a DC generator which produces electricity. Our main focus is on two wheelers so, the energy stored can be used to increase the engine efficiency as extra load on alternator is reduced. The aim for this prototype is to produce a current of 0.3A and 12 V (DC), which would be sufficient to charge the batteries and run other auxiliary system of a motorcycle.

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Shen, Ji Sheng, Xiang Man Ye, and Xiao Bin Ning. "Dynamic Analysis of Self-Energizing Shock Absorber of Suspension for Energy-Regenerative." Applied Mechanics and Materials 80-81 (July 2011): 746–51. http://dx.doi.org/10.4028/www.scientific.net/amm.80-81.746.

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Design of self-energizing shock absorber of suspension of SVU, a multi degree of freedom mechanism, is a challenge. In order to decay vibration and recycle energy, self-energizing shock absorber was researched. This paper primarily focuses on kinematics and dynamic analysis in multi-body system (MBS) and validation of system. A simulation model for self-energizing shock absorber was built using the software MATLAB, and the establishment of this model was based on the analysis of internal configuration and characteristics of valves. Vehicle simulation model was built using MBS. The assembly between vehicle simulation model and the shock absorber was realized through co-simulation between MBS and MATLAB. The optimal design of suspension is investigated, in order to improve vertical ride and road-friendliness of vehicles, while maintaining enhanced roll stability. A nonlinear vehicle model is developed to study vertical as well as roll dynamics of vehicles. The simulation results shows that suspension with self-energizing shock absorber can partly energy-regenerative which can be used to adjust ride height due to load change of automobile. Self-energizing shock absorber is also improving the ride performance of vehicle.

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Vergura, Silvano. "Simulink Model of a Regenerative Shock Absorber." Renewable Energy and Power Quality Journal 18 (June 2020): 621–25. http://dx.doi.org/10.24084/repqj18.449.

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Posmetev, Valeriy, Vadim Nikonov, Viktor Posmetev, and V. Zelikov. "Simulation modeling of the operation of regenerative electromagnetic shock absorbers installed in the suspension of a timber road train." Forestry Engineering Journal 14, no. 2 (2024): 260–79. http://dx.doi.org/10.34220/issn.2222-7962/2024.2/15.

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This article solves the problem of increasing the energy efficiency of the process of removing timber by logging road trains. Operating experience shows that more than 10 % of the fuel energy is consumed by a timber road train on friction processes in the suspensions of its links. The relevance of the feasibility of transformation, accumulation and beneficial use of energy dissipated in the suspension of a road train is substantiated. The potential of modern developments by Russian and foreign scientists in the field of converting vibration energy into electrical energy using suspension shock absorbers of various designs is quite significant. When designing regenerative electromagnetic shock absorbers, problematic issues still arise related to their limited generated power. In order to increase the productivity of electrical energy generation, a promising design of a regenerative electromagnetic shock absorber based on permanent magnets has been proposed. The study was carried out based on mathematical and simulation modeling methods. When the height of unevenness changes from 0.1 to 0.9 m, the recovered electrical power increases from 0.34 to 10.5 kW. When a logging road train moves at a speed of 20 km/h over uneven supporting surfaces of low height – 0 ... 0.2 m, regenerative shock absorbers generate limited power not exceeding 1.35 kW. With a height of unevenness of the supporting surface of 0.4 ... 0.6 m, regenerative shock absorbers generate power in the range from 4.2 to 6.8 kW. When the speed of the road train increases from 10 to 30 km/h, the recovered electrical power increases from 1.17 to 7.94 kW. The use of the results obtained will allow designers to refine similar designs of regenerative electromagnetic shock absorbers at the design stage.

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Zheng, Peng, Ruichen Wang, and Jingwei Gao. "A Comprehensive Review on Regenerative Shock Absorber Systems." Journal of Vibration Engineering & Technologies 8, no. 1 (2019): 225–46. http://dx.doi.org/10.1007/s42417-019-00101-8.

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Zhang, Ran, Xu Wang, Elie Al Shami, Sabu John, Lei Zuo, and Chun H. Wang. "A novel indirect-drive regenerative shock absorber for energy harvesting and comparison with a conventional direct-drive regenerative shock absorber." Applied Energy 229 (November 2018): 111–27. http://dx.doi.org/10.1016/j.apenergy.2018.07.096.

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Demetgul, Mustafa, and Ismail Guney. "Design of the Hybrid Regenerative Shock Absorber and Energy Harvesting from Linear Movement." Journal of Clean Energy Technologies 5, no. 1 (2017): 81–84. http://dx.doi.org/10.18178/jocet.2017.5.1.349.

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Guntur, Harus Laksana, Wiwiek Hendrowati, and Skriptyan N. H. Syuhri. "Designing hydro-magneto-electric regenerative shock absorber for vehicle suspension considering conventional-viscous shock absorber performance." Journal of Mechanical Science and Technology 34, no. 1 (2020): 55–67. http://dx.doi.org/10.1007/s12206-019-1205-1.

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Zou, Junyi, Xuexun Guo, Lin Xu, Gangfeng Tan, Chengcai Zhang, and Jie Zhang. "Design, Modeling, and Analysis of a Novel Hydraulic Energy-Regenerative Shock Absorber for Vehicle Suspension." Shock and Vibration 2017 (2017): 1–12. http://dx.doi.org/10.1155/2017/3186584.

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To reduce energy consumption or improve energy efficiency, the regenerative devices recently have drawn the public’s eyes. In this paper, a novel hydraulic energy-regenerative shock absorber (HERSA) is developed for vehicle suspension to regenerate the vibration energy which is dissipated by conventional viscous dampers into heat waste. At first, the schematic of HERSA is presented and a mathematic model is developed to describe the characteristic of HERSA. Then the parametric sensitivity analysis of the vibration energy is expounded, and the ranking of their influences is k1≫m2>m1>k2≈cs. Besides, a parametric study of HERSA is adopted to research the influences of the key parameters on the characteristic of HERSA. Moreover, an optimization of HERSA is carried out to regenerate more power as far as possible without devitalizing the damping characteristic. To make the optimization results more close to the actual condition, the displacement data of the shock absorber in the road test is selected as the excitation in the optimization. The results show that the RMS of regenerated energy is up to 107.94 W under the actual excitation. Moreover it indicates that the HERSA can improve its performance through the damping control.

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Xu, Lin, Xue Xun Guo, and Jun Yan. "Feasibility Study on Active Control of Hydraulic Electromagnetic Energy-Regenerative Absorber." Advanced Materials Research 139-141 (October 2010): 2631–35. http://dx.doi.org/10.4028/www.scientific.net/amr.139-141.2631.

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This paper proposes a design of a new shock absorber with combined mechanical- electromagnetic- hydraulic structure, and expounds its working principles. This new type of absorber can recyle the vibration energy and transform it into electrical energy for use. However, in its working process, the damping force in extension stroke is always smaller than that in compression stroke, which is determined by the inner structure, while in traditional absorbers, it is just the opposite. This does not meet the practical demands. Directing at this problem, the paper puts out a way to make real-time adjustment to the damping force by controlling the generator load, and tests the feasibility with a simulation model built with AMESim. The test result reveals that the method is feasible. This contributes a lot to the future further research on active control.

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Zhang, Cheng Cai, and Zheng Feng Jiang. "Simulation Study of Permanent Magnet Synchronous Motor for Hydraulic Electromagnetic Energy-Regenerative Shock Absorber." Applied Mechanics and Materials 530-531 (February 2014): 1011–14. http://dx.doi.org/10.4028/www.scientific.net/amm.530-531.1011.

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Hydraulic electromagnetic energy-regenerative shock absorber (HESA) which used one permanent magnet synchronous motor (PMSM) as actuator to regenerate energy is introduced in this paper. Mathematic model which transform a three phase time and speed dependent system into a two co-ordinate time invariant system is presented. To obtain better dynamic performance, simulation models on a PMSM with field oriented control (FOC) have been carried out. Rapid torque response and stable dynamic performance are verified through the simulation results.

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Guntur, Harus Laksana, and Wiwiek Hendrowati. "Experimental Study on the Dynamic Characteristics of Hydro-Magneto-Electric-Regenerative Shock Absorber." Applied Mechanics and Materials 836 (June 2016): 9–13. http://dx.doi.org/10.4028/www.scientific.net/amm.836.9.

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Regenerative shock absorber is designed to convert the vibration energy losses from the vehicle suspension into electricity. This paper presents an experimental study on the dynamic characteristics of hydro-magneto-electric-regenerative shock absorber (HMERSA). Study was carried out by developing a prototype of HMERSA and testing its dynamic characteristics. The results were analyzed and discussed. Prototype of the HMERSA consists of hydraulic system and electric generator. The HMERSA was tested using a quarter car suspension test rig with input displacement in various frequency (1.3Hz, 1.5Hz, 1.7Hz) and for HMERSA’s various oil viscousity (ISO VG 10, 32, 46). Sprung mass acceleration and the generated electric power representing the dynamic characteristics of HMERSA were measured. Maximum power 2.5 watt and root mean square acceleration 0.172 m/s2 gained for HMERSA with oil viscousity ISO VG 10 at all excitation frequency.

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Iqbal, Muhammad Yousaf, Zhifei Wu, Guangzhao Xu, and Syed Arslan Bukhari. "Study of External Characteristics of Hydraulic Electromagnetic Regenerative Shock Absorber." World Journal of Engineering and Technology 07, no. 03 (2019): 520–35. http://dx.doi.org/10.4236/wjet.2019.73037.

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Syuhri, Ahmad, Widyono Hadi, and Skriptyan N. H. Syuhri. "Damping properties and energy evaluation of a regenerative shock absorber." International Journal on Interactive Design and Manufacturing (IJIDeM) 12, no. 4 (2017): 1385–97. http://dx.doi.org/10.1007/s12008-017-0440-x.

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Maravandi, Amir, and Mehrdad Moallem. "Regenerative Shock Absorber Using a Two-Leg Motion Conversion Mechanism." IEEE/ASME Transactions on Mechatronics 20, no. 6 (2015): 2853–61. http://dx.doi.org/10.1109/tmech.2015.2395437.

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Wang, Ruichen, Fengshou Gu, Robert Cattley, and Andrew Ball. "Modelling, Testing and Analysis of a Regenerative Hydraulic Shock Absorber System." Energies 9, no. 5 (2016): 386. http://dx.doi.org/10.3390/en9050386.

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Afnison, Wanda, Erzeddin Alwi, Bahrul Amin, Hasan Maksum, Wawan Purwanto, and Fitrah Kurniawan. "Optimization Study of Electric Regenerative Shock Absorber (ERSA) Using Taguchi Method." International Review of Mechanical Engineering (IREME) 15, no. 6 (2021): 317. http://dx.doi.org/10.15866/ireme.v15i6.20621.

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GUNTUR, Harus LAKSANA, Wiwiek HENDROWATI, and Rahman Roy LUBIS. "Development and Analysis of a Regenerative Shock Absorber for Vehicle Suspension." Journal of System Design and Dynamics 7, no. 3 (2013): 304–15. http://dx.doi.org/10.1299/jsdd.7.304.

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Zhang, Ran, Xu Wang, and Sabu John. "A Comprehensive Review of the Techniques on Regenerative Shock Absorber Systems." Energies 11, no. 5 (2018): 1167. http://dx.doi.org/10.3390/en11051167.

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Song, Huixin, Mingming Dong, and Xin Wang. "Research on Inertial Force Attenuation Structure and Semi-Active Control of Regenerative Suspension." Applied Sciences 14, no. 6 (2024): 2314. http://dx.doi.org/10.3390/app14062314.

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To improve the energy recovery ability of the energy-regenerative suspension, a transmission is generally used to increase the motor speed, but this results in a significant increase in the equivalent inertial mass of the suspension. The research on energy-regenerative suspension has been ongoing for more than 20 years, but there have been few product applications, mainly due to the failure to solve the problem of the deterioration of suspension performance caused by equivalent inertial mass. This paper proposes a new suspension configuration with the suspension shock absorber connected to a high-frequency vibration reduction structure and establishes a vibration transmission model. Through frequency domain analysis, it has been conclusively proven that the new-configuration can significantly reduce both the sprung mass acceleration and relative dynamic load of the energy regenerative suspension. On the basis of frequency domain analysis, a scheme based on PWM control of the dissipation resistance value of the energy regenerative suspension is proposed, and through bench comparison experiments, it has been verified that the new-configuration suspension can eliminate the oscillation of the damping force curve of the shock absorber and significantly improve the suspension performance. Further experiments show that using the skyhook semi-active control algorithm the new-configuration suspension can further reduce the sprung mass acceleration and relative dynamic load.

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Reyes-Avendaño, Jorge A., Ciro Moreno-Ramírez, Carlos Gijón-Rivera, Hugo G. Gonzalez-Hernandez, and José Luis Olazagoitia. "Can a Semi-Active Energy Harvesting Shock Absorber Mimic a Given Vehicle Passive Suspension?" Sensors 21, no. 13 (2021): 4378. http://dx.doi.org/10.3390/s21134378.

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Energy harvesting shock absorbers (EHSA) have made great progress in recent years, although there are still no commercial solutions for this technology. This paper addresses the question of whether, and under what conditions, an EHSA can completely replace a conventional one. In this way, any conventional suspension could be replicated at will, while recovering part of the wasted energy. This paper focuses on mimicking the original passive damper behavior by continuously varying the electrical parameters of the regenerative damper. For this study, a typical ball-screw EHSA is chosen, and its equivalent suspension parameters are tried to be matched to the initial damper. The methodology proposes several electrical control circuits that optimize the dynamic behavior of the regenerative damper from the continuous variation of a load resistance. The results show that, given a target damper curve, the regenerative damper can adequately replicate it when there is a minimum velocity in the damper. However, when the damper velocity is close to zero, the only way to compensate for inertia is through the introduction of external energy to the system.

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Polishchuk, Leonid, Andrіі Slabkyі, Vitalii Kudrash, and Serhii Liakhovchenko. "ANALYSIS OF CONSTRUCTIONS OF RECEIVED AMORTIZATION SYSTEMS." Vibrations in engineering and technology, no. 3(110) (December 2, 2023): 75–84. http://dx.doi.org/10.37128/2306-8744-2023-3-9.

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The theoretical research is devoted to the improvement of the existing structures of shock absorbers, which ensure the recovery of mechanical energy into electrical energy with further useful use. First of all, an analysis of the use of different shock absorbers by drive type was performed. The advantages and disadvantages of each of them are established according to the criterion parameters of reliability, manufacturability and operation. A refined classification of shock absorbers by type of kinematic connection and structural design is proposed. According to the proposed classification, the rational type of drive for creating new models of recuperative shock absorbers is determined to be hydraulic. According to the developed recommendations for choosing the shock absorber drive type, you can choose the drive type depending on the desired prevailing technical indicator. The paper presents the results of a theoretical study of existing designs of recuperative damping systems. It has been established that, in addition to energy recovery, such damping systems provide improved damping and damping performance and allow the user to choose the desired mode of operation of the suspension. Analysis of existing designs of regenerative shock absorbers indicates better efficiency of systems with feedback. This type of communication is provided in most cases by using electronic measuring systems with a control unit, which greatly complicates and increases the cost of the design. Based on the results of the theoretical analysis of the existing designs of recuperative shock absorbers of world manufacturers and developers, technical and technological requirements for new designs of recuperative shock absorbers were formed, which, in our opinion, are aimed at rationalization and optimization of the latter. According to the developed technical and technological requirements, a basic design scheme of a recuperative damping system with hydrovalves for improving quality parameters was developed. The principle of operation of the quality valve with a profiled spool window is described

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Anuar, Kaspul, and Harus Laksana Guntur. "Characteristics of Dynamic Response of Suspension Hydraulic Motor - Regenerative Shock Absorber (HMRSA)." Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) 44, no. 1 (2017): 1–7. https://doi.org/10.36842/jomase.v44i1.181.

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Translational motion that happens in the vehicle's suspension due to unevenness of the road surface can be used as a source of electrical energy. A suspension that can convert translational motion into electrical energy is known as regenerative type suspension. To know the characteristics of the dynamic response, such as electrical energy potential and driving coziness which resulted by a suspension system, we need to examine the suspension. In this study, a test will be conducted to a suspension system that has been designed by researchers and was named Hydraulic Motor - Regenerative Shock Absorber (HMRSA). The test will be conducted statically and dynamically. The goal of the static testing is to obtain the spring's constant value and the damping's constant value of HMRSA. In the dynamic testing, excitation was given in the form of periodic and impulse. Periodic excitations are varied between these several frequencies such as 1.4Hz, 1.75 Hz and 2 Hz. Instead of variant of frequencies, electrical resistivity loads are varies in periodic excitations with each resistive loads such as 6 ohm, 12 ohm and 18 ohm. From dynamic testing, the electricity power values and sprung's mass acceleration which resulted by HMRSA suspension system on each frequency and electrical resistivity will be obtained. The sprung's mass acceleration value will be fundamental on how to analyze driving coziness that produced by HMRSA suspension system.

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Kou, Farong, Qiangqiang Jing, Chen Chen, and Jianghao Wu. "Endocrine Composite Skyhook-Groundhook Control of Electromagnetic Linear Hybrid Active Suspension." Shock and Vibration 2020 (February 29, 2020): 1–17. http://dx.doi.org/10.1155/2020/3402168.

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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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Alhumaid, Saleh, Daniel Hess, and Rasim Guldiken. "A Noncontact Magneto–Piezo Harvester-Based Vehicle Regenerative Suspension System: An Experimental Study." Energies 15, no. 12 (2022): 4476. http://dx.doi.org/10.3390/en15124476.

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Recent research has examined the possibility of recovering energy from mechanical vibration induced by a vehicle shock absorber using piezoelectric and electromagnetic transducers. In terms of automotive applications, piezoelectric vibration energy harvesting shows promise for recapturing some (even if small) amounts of vehicle vibration energy, which would otherwise be wasted through the vehicle dampers. Functional materials, such as piezoelectric materials, are capable of converting mechanical energy into useful electrical energy and vice versa. In this paper, an innovative rotational piezoelectric vibration-energy-harvesting device is presented that employs a magnetic coupling mechanism and provides robust performance over a range of frequencies. The piezoelectric energy harvester is driven by a unidirectional suspension system. An experimental investigation was carried out to study the performance of the manufactured prototype. We observed no damage to the prototype after operating continuously at a vibration amplitude of 5 mm at a frequency of 2.5 Hz for over 10,000 cycles. In addition, the presented regenerative suspension system is capable of producing high and relatively steady open-circuit voltages, irrespective of excitation frequencies. The results demonstrate that regenerative shock absorber is robust and has a broad frequency range.

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Afnison, Wanda, Erzeddin Alwi, Hasan Maksum, Bahrul Amin, and M. Yasep Setiawan. "Development of the Electromagnetic Regenerative Shock Absorber as an Energy Harvesting Tool for Vehicles." MOTIVECTION : Journal of Mechanical, Electrical and Industrial Engineering 1, no. 3 (2019): 31–42. http://dx.doi.org/10.46574/motivection.v1i3.26.

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This research is a development of previous research entitled "Designing Regenerative Shock Absorber as a Vibration Energy Harvesting Tool on Vehicles" in the PUPT scheme funded by PNBP UNP 2017. In this study optimization of design oriented to energy generation was carried out while also paying attention to aspects driving comfort that might change due to the installation of a harvesting energy mechanism. One aspect of the change occurred in the type of magnet used, namely a ring type magnet with a type of neodymium material.From the test results obtained by changing the value of the efficiency of the shock absorber after the ERSA mechanism is installed by 2%, this condition also has an impact on the dissimilarity of the attenuation value obtained by 2% for the front-rear (left) and (right) wheels. In terms of generation voltage obtained the maximum generation voltage obtained is 25,600 mV. Based on the data obtained, it needs further development ERSA, especially in the aspect of the electromagnetic mechanism to optimize the generation of electrical energy.

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Nikonov, Vadim, Valeriy Posmetev, Viktor Posmetev, and V. Zelikov. "Simulation modeling of resonance phenomena during the operation of regenerative hydraulic shock absorbers in the suspensions of trailing links of timber road trains." Forestry Engineering Journal 14, no. 2 (2024): 239–59. http://dx.doi.org/10.34220/issn.2222-7962/2024.2/14.

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The article solves the problem of increasing the efficiency of timber truck trains of different configuration under unsteady driving modes in the process of timber transportation in the conditions of insufficiently equipped forest roads. The experience of operation of forest road transport shows that the most part of fuel energy is spent by it on heat losses arising in its units and systems. The necessity to reduce energy losses in suspensions of trailing links of forest road trains by means of transformation of this energy, accumulation and subsequent useful use is substantiated. In order to increase the efficiency of forest road trains the perspective designs of trailing links equipped with recuperative hydraulic shock absorbers are offered. To assess the performance of the proposed trailing links as part of timber truck trains, mathematical models have been developed that take into account the resonance phenomena occurring during the movement on the supporting surface of the studied timber truck trains. The research was carried out with the help of the developed computer programs. Equipping the suspensions of trailing links with regenerative hydraulic shock absorbers allows reducing the amplitude of resonance vibrations for a forestry tractor-trailer truck from 87 cm to 26 cm, for a forestry tractor-trailer truck from 27 cm to 20 cm and for a forestry truck-trailer combination from 46 cm to 33 cm. The recuperated power generated by the trailer link suspension was 7.8 kW for a truck-trailer combination, 9.1 kW for a forestry tractor-trailer combination, and 22.4 kW for a forestry tractor-trailer combination. The optimum value of the damping coefficient of an individual regenerative hydraulic shock absorber was 30 kN · s/m.

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Salman, Waleed, Xingtian Zhang, Hai Li, et al. "A novel energy regenerative shock absorber for in-wheel motors in electric vehicles." Mechanical Systems and Signal Processing 181 (December 2022): 109488. http://dx.doi.org/10.1016/j.ymssp.2022.109488.

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Fang, Zhigang, Xuexun Guo, Lin Xu, and Han Zhang. "An Optimal Algorithm for Energy Recovery of Hydraulic Electromagnetic Energy-Regenerative Shock Absorber." Applied Mathematics & Information Sciences 7, no. 6 (2013): 2207–14. http://dx.doi.org/10.12785/amis/070610.

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Song, Huixin, Mingming Dong, and Liang Gu. "Research on Efficient Suspension Vibration Reduction Configuration for Effectively Reducing Energy Consumption." Sustainability 16, no. 10 (2024): 4208. http://dx.doi.org/10.3390/su16104208.

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Reducing vehicle energy consumption is crucial for sustainable development, especially in the context of energy crises and environmental pollution. Energy regenerative suspension offers a promising solution, yet its practical implementation faces challenges like inertial mass issues, cost, and reliability concerns. This study introduces a novel suspension configuration, optimizing shock absorber technology with energy regenerative principles. The objective is to drastically cut energy consumption. Through a frequency domain analysis, this study identifies the root causes of increased energy consumption and worsened vibration in traditional suspensions. This study presents a comparative analysis of the frequency-domain characteristics between the novel suspension configuration and the traditional one. This study reveals that the new configuration exhibits a low-pass filtering effect on the shock absorber’s velocity, effectively minimizing vibrations in the low-frequency range, while mitigating their impact in the high-frequency range. This approach mitigates the trade-off between increased energy consumption and worsened vibration in the high-frequency range, making it a promising solution. Simulations show that this configuration significantly reduces acceleration by 7.04% and suspension power consumption by 10.47% at 60 km/h on the D-level road, while maintaining handling stability. This makes it a promising candidate for future energy-efficient suspension systems.

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Dong, Liwei, Fan Yang, Ankang He, Ziheng Guo, Jie Yu, and Jianyong Zuo. "Investigation on energy-regenerative shock absorber with adjustable damping and power for freight wagons." Energy Conversion and Management 254 (February 2022): 115228. http://dx.doi.org/10.1016/j.enconman.2022.115228.

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Song, Juhuang, Ruisi Zong, Yubao Li, et al. "An electromagnetic-pneumatic hybrid regenerative shock absorber for extended range of space exploration vehicles." Mechanical Systems and Signal Processing 210 (March 2024): 111161. http://dx.doi.org/10.1016/j.ymssp.2024.111161.

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Tran, Vu-Khanh, Pil-Wan Han, and Yon-Do Chun. "Design of a 120 W Electromagnetic Shock Absorber for Motorcycle Applications." Applied Sciences 12, no. 17 (2022): 8688. http://dx.doi.org/10.3390/app12178688.

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Based on the shock absorber size and power and power density limitations in motorcycle application, a linear permanent magnet machine for a regenerative suspension system that recovers the kinetic energy originating from shock absorber vibration is investigated. To achieve the target power of 120 W, several design parameters were investigated. The eight-slot eight-pole combination was used due to its high power density. A hybrid permanent magnet structure was implemented which was a combination of a classical Halbach array and iron spacers. In addition, the dimensions of the permanent magnet, and stator inner radius were parametrically studied to enhance the air-gap flux density and coil volume, which are the main factors affecting performance. The detailed design generated 124 W of average power under the rated condition, assuming a vibration speed of 0.157 m/s. Despite the satisfaction of the output power and power density, the large magnetic force caused by the interaction between the iron core and permanent magnet is the main drawback of this design, which has a negative impact on driving safety and comfort. To commercialize the suggested device, additional studies will focus on size, electromagnetic reduction, as well as road test performance.

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Fadhil, Andri, Hasan Maksum, and Wanda Afnison. "Optimasi Electromagnetic Regenerative Shock Absorber (ERSA) Tipe Magnet Batang Alnico pada Suspensi Belakang Multi Purpose Vehicle (MPV)." AEEJ : Journal of Automotive Engineering and Vocational Education 1, no. 1 (2020): 21–30. http://dx.doi.org/10.24036/aeej.v1i1.3.

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This study aims to optimize the electrical energy generation generated by the Electromagnetic Regenerative Shock Absorber (ERSA) type of alnico bar magnet on the rear suspension Multi Purpose Vehicle. This study uses the Taguchi Experiment method by varying the number of copper windings (1000, 1500, 2000 turns), wire diameter (0.2 mm, 0.3 mm, 0.4 mm) and large air gap (2 mm, 3 mm, 4 mm). The results showed the highest electrical voltage generation of 1.68V in 2000 wire coil variants, 0.4 mm wire diameter and 4 mm air gap. while the lowest voltage generated electricity is 0.9V on 1000 wire coil variants, 0,2 mm diameter diameter and 2 mm air gap. That is, an increase in the voltage generated by using the Taguchi Experiment method from previous studies which produced a voltage of 121-131mV. Penelitian ini bertujuan untuk mengoptimalkan energi listrik bangkitan yang dihasilkan oleh Elektromagnetik Regenerstif Shok Absorber (ERSA) tipe magnet batang alnico pada suspensi belakang Multi Purpose Vehicle. Penelitian ini menggunakan metode Eksperimen Taguchi dengan memvariasikan jumlah lilitan tembaga (1000, 1500, 2000 lilitaan), diameter kawat (0,2 mm, 0,3 mm, 0,4 mm) dan besar celah udara (2 mm, 3 mm, 4 mm). Hasil penelitian didapatkan tegangan listrik bangkitan paling tinggi sebesar 1,68V pada varian lilitan kawat 2000, diameter kawat 0,4 mm dan celah udara 4 mm. sedangkan tegangan listrik bangkitan paling rendah sebesar 0,9V pada varian lilitan kawat 1000, diameter kawar 0,2 mm, dan celah udara 2 mm. Artinya, terjadi peningkatan tegangan yang dihasilkan dengan menggunakan metode Eksperimen Taguchi dari penelitian sebelumnya yang menghasilkan tegangan sebesar 121-131mV.

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Guntur, Harus Laksana, Wiwiek Hendrowati, and Solichin Mochammad. "The Effect of Using Current Stabilizer to the Dynamic Characteristic of a Regenerative Shock Absorber." Applied Mechanics and Materials 758 (April 2015): 137–42. http://dx.doi.org/10.4028/www.scientific.net/amm.758.137.

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Most of the energy from the vehicle is wasted in the form of heat energy and vibration. On vehicles, the largest vibration occurs in the suspension system. The development of a mechanism which can recover the vibration energy and convert it into electrical energy, named Regenerative Shock Absorber (RSA), will be detailed in this paper. The prototype of RSA which consist of gear transmission and an electromagnetic type electric generator was studied and analyzed. Electrical circuit signal conditioner / stabilizer is added into the RSA system to stabilize the output current of the generator so that the generated electrical energy can be stored in the battery of 6 volts. The characteristics of the RSA are obtained by testing the value of the damping coefficient, the energy absorbtion capacity, and the generated electrical energy before and after going through a series of signal conditioner. Experiment was also performed by measuring the acceleration response time of the sprung and un-sprung suspension system that uses RSA with damping ratio value of 0.6. From this research, it is found that RSA design with stabilizer circuit can produce more stable electric current and voltage. The measurement results show the value of the electrical voltage output through the generator is fluctuating with an average value of 15 volts and a constant 6 volts output is obtained through the signal conditioning circuit. Furthermore, the dynamic response is obtained in the form of acceleration time-value of less than 0.2 m/s2 in a corresponding ISO 2631 standard is stated very comfortable.

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Zhang, Ran, Xu Wang, and Zhenwei Liu. "A novel regenerative shock absorber with a speed doubling mechanism and its Monte Carlo simulation." Journal of Sound and Vibration 417 (March 2018): 260–76. http://dx.doi.org/10.1016/j.jsv.2017.12.017.

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