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Metered, H.
- Theoretical and Experimental Investigation of Magneto-Rheological Damper Based Semi-Active Suspension Systems
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PDF Views:153
Authors
Affiliations
1 WMG Centre for High Value Manufacturing Catapult, University of Warwick, Coventry, GB
2 Helwan University, Cairo, EG
3 Department of Electrical and Computer Engineering, The Ohio State University, Columbus, US
4 School of Mechanical, Aerospace and Civil Engineering, University of Manchester, Manchester, GB
1 WMG Centre for High Value Manufacturing Catapult, University of Warwick, Coventry, GB
2 Helwan University, Cairo, EG
3 Department of Electrical and Computer Engineering, The Ohio State University, Columbus, US
4 School of Mechanical, Aerospace and Civil Engineering, University of Manchester, Manchester, GB
Source
International Journal of Vehicle Structures and Systems, Vol 5, No 3-4 (2013), Pagination: 109-120Abstract
Semi-active vehicle suspension systems with Magneto-Rheological (MR) dampers have recently received an increasing attention. Satisfactory performance of these systems is highly dependent on the adopted control method. This paper offers theoretical and experimental investigation of the control of vehicle suspension systems using a quarter car suspension equipped with a MR damper. To achieve the best performance, a control method made of two nested controllers is used. Fuzzy logic, skyhook and On-Off control techniques are studied as system controllers in conjunction with a Heaviside step function as the damper controller. For the theoretical study, the modified Bouc-Wen model of MR dampers is used to calculate the damping force and a mathematical model of the semi-active quarter car suspension is derived and used in the simulation. To prove the applicability of the proposed fuzzy logic controller in a real suspension system, a two degrees of freedom quarter car test rig is designed and used. To quantify the effectiveness of the system under bump and random road disturbance, various performance criteria are evaluated based on the dynamic response of the quarter car suspension system in time and frequency domains,. Simulation and experimental results from the system with the fuzzy logic controllers are compared to the results from the system with skyhook controller, On-Off controller, a passive MR damper and a conventional passive damper.Keywords
Semi-Active Suspension, Magneto-Rheological Damper, Fuzzy Logic Controller, Ride Comfort, Vehicle Stability.Full Text
- Optimized Fractional-Order Proportional Integral Derivative Controller for Active Vehicle Suspension System Performance Enhancement
Abstract Views :200 |
PDF Views:89
Authors
Affiliations
1 Mataria, Helwan University, Cairo, EG
2 Helwan, Helwan University, Cairo, EG
1 Mataria, Helwan University, Cairo, EG
2 Helwan, Helwan University, Cairo, EG
Source
International Journal of Vehicle Structures and Systems, Vol 10, No 4 (2018), Pagination: 300-306Abstract
In this paper, an optimal Fractional Order Proportional Integral Derivative (FOPID) controller is applied in vehicle active suspension system to improve the ride comfort and vehicle stability without consideration of the actuator. The optimal values of the five gains of FOPID controller to minimize the objective function are tuned using a Multi-Objective Genetic Algorithm (MOGA). A half vehicle suspension system is modelled mathematically as 6 degrees-of-freedom mechanical system and then simulated using Matlab/Simulink software. The performance of the active suspension with FOPID controller is compared with passive suspension system under bump road excitation to show the efficiency of the proposed controller. The simulation results show that the active suspension system using the FOPID controller can offer a significant enhancement of ride comfort and vehicle stability.Keywords
Half vehicle active suspension; Fractional order PID controller; Multi-objective genetic algorithm; Ride comfortFull Text
References
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