In order to reduce vehicle vibration during driving conditions, a fuzzy sliding mode control strategy (FSMC) for semi-active air suspension based on the magnetorheological (MR) damper is proposed. The MR used in system was tested and analyzed. Based experimental data, genetic algorithm identify parameters of improved hyperbolic tangent model, which derived damper. At same time, an adaptive neur...

In this paper the performance of Artificial Neural Networks (ANNs) and Adaptive NeuroFuzzy Inference Systems (ANFIS) in simulating the inverse dynamic behavior of MagnetoRheological (MR) dampers is investigated. MR dampers are one of the most applicable methods in semi active control of seismic response of structures. Various mathematical models are introduced to simulate the dynamic behavior o...

The structural parameters of the magnetorheological (MR) damper significantly affect output damping force and dynamic range. This paper presents a design optimization method to improve performance novel MR with bended magnetic circuit folded flow gap. multiobjective this was carried out based on optimal Latin hypercube (Opt LHD), ellipsoidal basis function neural network (EBFNN), particle swarm...

Magnetorheological (MR) dampers are devices that can be used for vibration reduction in structures. However, to use these devices in an effective way, a precise modeling is required. In this sense, in this paper we consider a modified parameter identification method of large-scale magnetorheological dampers which are represented using the normalized Bouc-Wen model. The main benefit of the propo...

Magnetorheological (MR) technology has provided effective solutions to many engineering bottleneck problems due its controllable nature. However, designing a rotary MR damper with high torque–volume ratio is always challenging, especially for some specific application scenarios constrained space, such as robot joints. To solve this problem, based on bearings was designed and evaluated in study....

The transient behaviour of magnetorheological (MR) damper is a very important parameter affecting the performance this technology in modern semi-actively controlled suspension systems. Currently, MR limited by dynamics fluid (MRF) itself. significant part MRF response time hydrodynamic which connected with rheology and development velocity profile slit gap. In paper, method for measuring operat...

The purpose of this study was to solve the problem that damping rubber or silicone oil torsional dampers used in crankshafts is not adjustable and cannot effectively control vibration at different resonant frequencies. Based on controlled rheological properties magnetorheological (MR) smart materials, designed a new type variable MR damper (MRTD) proposed semi-active method crankshaft under mul...

–This paper presents an investigation into the effectiveness of controllable magnetorheological (MR) damper for a semi-acive vehicle model with passenger seat. Mathematical model has been experimentally developed for controller design using Choi et al. model. A quarter vehicle model has been employed for system performance evaluation via Matlab through numerical simulation. System behaviour rel...

Due to their extensive use in various applications, helicopters need be able land a variety of conditions. Typically, helicopter landing gear system with skids or passive wheel-dampers is designed based on only one critical touchdown condition. Thus, this may not perform well different A magnetorheological (MR) dampers would promising candidate solve problem. However, semi-active controller mus...

A suspension system is one of the integral parts a hyperloop capsule train, which used to isolate car-body from bogie vibration provide safer and comfortable service. semi-active best candidates for its advantageous features. The performance relies greatly on control strategy applied. In this article, Skyhook (SH) mixed Skyhook-Acceleration Driven Damper (SH-ADD) controlling algorithms are adop...