A combined nonlinear and hysteresis model of shock absorber for quarter car simulation on the basis of experimental data

Barethiye, Vijay; Pohit, G.; Mitra, Anirban

doi:10.1016/j.jestch.2017.12.003

Cited by 15 publications

(9 citation statements)

References 30 publications

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“…In this paper, the quarter car dynamic vibration model has been chosen to represent the active suspension model (see Figure 1). While this model has limitations, such as eliminating vehicle's pitching and roll angle vibrations, it also includes the most essential features for this research, such as the change of the load and suspension system's stress information, which has been utilized by many researchers, to investigate the effect of pavement conditions on body vibration of a vehicle [73][74][75][76][77].…”

Section: Active Suspension Modelmentioning

confidence: 99%

Computer-Based Analysis of the Stochastic Stability of Mechanical Structures Driven by White and Colored Noise

Azizi

2018

Sustainability

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The goal of this paper is to design an effective Proportional Integral Derivative (PID) controller, which will control the active suspension system of a car, in order to eliminate the imposed vibration to the car from pavement. In this research, Gaussian white noise has been adopted to model the pavement condition, and MATLAB/Simulink software has been used to design a PID controller, as well as to model the effect of the white noise on active suspension system. The results show that the designed controller is effective in eliminating the effect of road conditions. This has a significant effect on reducing the fuel consumption and contributes to environment sustainability.

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Section: Active Suspension Modelmentioning

confidence: 99%

Computer-Based Analysis of the Stochastic Stability of Mechanical Structures Driven by White and Colored Noise

Azizi

2018

Sustainability

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“…The Quarter Car Model is used [13][14][15][16] with different road profile and surface. The experimental work is associated with simulation work to determine performance of suspension system to investigate the responses of the vehicle due to road disturbances with different suspension system.…”

Section: Experimental Setup For Mr Dampermentioning

confidence: 99%

Experimental investigations of damping characteristic for MR strut by half-power bandwidth method

Yerrawar¹,

Arakerimath²

2018

J. meas. eng.

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In today's automobile, each and every part of vehicle must consider the vibration management. Damping and isolation are the two aspects of vibration management which uses in conjunction to attain the required performance. The Logarithmic decrement method and Bandwidth method are the two major methods for measurement of damping in vibration system. Time domain method is used in Logarithmic decrement whereas the Half power bandwidth method is used in frequency domain analysis. In the present work, quarter car model is used to determine the frequency response analysis of Magnetorheological damper strut. The sprung mass is varying from 82 kg to 132 kg and excitation force is given by cam mechanism which is designed as per the bump size specified by Indian Road Congress (IRC) standard. The fabricated MR damper is tested at different sprung mass with input current from 0.1 A to 0.5 A. It is observed that the damping ratio is varying from 0.04 to 0.21. The results obtained in this paper will be helpful for the Indian auto industry to make more economical and reliable damper strut.

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“…Recently, there have been works in which authors have modeled real dissipative characteristics and develop control algorithms. In papers [32][33][34][35][36][37], approaches have been considered that model the hysteresis property of the shock absorber; however, the dissipative characteristic is assumed to be symmetrical.…”

Section: Introductionmentioning

confidence: 99%

Active Shock Absorber Control Based on Time-Delay Neural Network

2020

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A controlled suspension usually consists of a high-level and a low-level controller. The purpose the high-level controller is to analyze external data on vehicle conditions and make decisions on the required value of the force on the shock absorber rod, while the purpose of the low-level controller is to ensure the implementation of the desired force value by controlling the actuators. Many works have focused on the design of high-level controllers of active suspensions, in which it is considered that the shock absorber can instantly and absolutely accurately implement a given control input. However, active shock absorbers are complex systems that have hysteresis. In addition, electro-pneumatic and hydraulic elements are often used in the design, which have a long response time and often low accuracy. The application of methods of control theory in such systems is often difficult due to the complexity of constructing their mathematical models. In this article, the authors propose an effective low-level controller for an active shock absorber based on a time-delay neural network. Neural networks in this case show good learning ability. The low-level controller is implemented in a simplified suspension model and the simulation results are presented for a number of typical cases.Energies 2020, 13, 1091 2 of 16 of a semi-active shock absorber lies in I and III quadrants; thus, the force vector F is always in one direction with the velocity vector v.Energies 2020, 13, 1091 2 of 15In an active shock absorber, the set of dissipative characteristics cover all IV quadrants due to an external energy source, and force and velocity vectors can be oppositely directed. This property is the great advantage of active shock absorbers, and it allows, in theory, the achievement of a complete absence of movement of the vehicle body for the given planes.

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A combined nonlinear and hysteresis model of shock absorber for quarter car simulation on the basis of experimental data

Cited by 15 publications

References 30 publications

Computer-Based Analysis of the Stochastic Stability of Mechanical Structures Driven by White and Colored Noise

Computer-Based Analysis of the Stochastic Stability of Mechanical Structures Driven by White and Colored Noise

Experimental investigations of damping characteristic for MR strut by half-power bandwidth method

Active Shock Absorber Control Based on Time-Delay Neural Network

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