Tire Force Control Strategy for Semi Active Magnetorheological Damper Suspension System Using Quarter Heavy Vehicle Model

This paper proposed semi active controller scheme for magnetorheological (MR) damper of a heavy vehicle suspension known as Tire Force Control (TFC). A reported algorithm in the literature to reduce tire force is Groundhook (GRD). Thus, the objective of this paper is to investigate the effectiveness of the proposed TFC algorithm compared to GRD. These algorithms are applied to a quarter heavy vehicle models, where the objective of the proposed controller is to reduce unsprung force (tire force). The simulation model was developed and simulated using MATLAB Simulink software. The use of semi active MR damper using TFC is analytically studied. Ride test was conducted at three different speeds and three bump heights, and the simulation results of TFC and GRD are compared and analysed. The results showed that the proposed controller is able to reduced tire force significantly compared to GRD control strategy.

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Ground Semi Active Damping Force Estimator (gSADE) for Magnetorheological Damper Suspension System Using Quarter Heavy Vehicle Model

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.789-790.913 ◽

2015 ◽

Vol 789-790 ◽

pp. 913-917 ◽

Cited By ~ 1

Author(s):

Syabillah Sulaiman ◽

Pakharuddin Mohd Samin ◽

Hishamuddin Jamaluddin ◽

Roslan Abd Rahman ◽

Saiful Anuar Abu Bakar

Keyword(s):

Control Strategy ◽

Mr Damper ◽

Active Damping ◽

Magnetorheological Damper ◽

Vehicle Suspension ◽

Heavy Vehicle ◽

Vehicle Model ◽

Damping Force ◽

Tire Force ◽

Simulation Results

This paper proposed semi active controller scheme for magnetorheological (MR) damper of a heavy vehicle suspension known as Ground Semi Active Damping Force Estimator (gSADE), where it was modified from Semi Active Damping Force Estimator (SADE) algorithm. A reported algorithm known as Groundhook (GRD) was developed where its aim to minimize tire road forces and hence reduce road damage. Thus, the objective of this paper is to investigate the effectiveness of the proposed gSADE algorithm compared to GRD and SADE. These algorithms are applied to a quarter heavy vehicle models and the simulation model was developed and simulated using MATLAB Simulink software. Ride test was conducted at three different speeds and three bump heights, and the simulation results of gSADE, SADE and GRD are compared and analysed. The results showed that the proposed controller is able to reduced tire force significantly compared to GRD control strategy.

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Design of a Novel Magnetorheological Damper Adaptable to Low and High Stroke Velocity of Vehicle Suspension System

Applied Sciences ◽

10.3390/app10165586 ◽

2020 ◽

Vol 10 (16) ◽

pp. 5586

Author(s):

Bo-Gyu Kim ◽

Dal-Seong Yoon ◽

Gi-Woo Kim ◽

Seung-Bok Choi ◽

Aditya Suryadi Tan ◽

...

Keyword(s):

Shape Function ◽

Mr Damper ◽

Effective Area ◽

Magnetorheological Damper ◽

Damping Coefficient ◽

Vehicle Suspension ◽

Damping Force ◽

Piston Velocity ◽

Suspension Systems ◽

Vehicle Suspension System

In this study, a new class of magnetorheological (MR) damper, which can realize desired damping force at both low and high speeds of vehicle suspension systems, is proposed and its salient characteristics are shown through computer simulations. Unlike conventional MR dampers, the proposed MR damper has a specific pole shape function and therefore the damping coefficient is changed by varying the effective area of the main orifice. In addition, by controlling the opening or closing the bypass orifice, the drastic change of the damping coefficient is realizable. After briefly describing the operating principle, a mathematical modeling is performed considering the pole shape function which is a key feature of the proposed MR damper. Then, the field-dependent damping force and piston velocity-dependent characteristics are presented followed by an example on how to achieve desired damping force characteristics by changing the damping coefficient and slope breaking point which represents the bilinear damping property.

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A Semi-Active Controller for an Aircraft Landing Gear Equipped with Magnetorheological Damper

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.894.29 ◽

2019 ◽

Vol 894 ◽

pp. 29-33

Author(s):

Luong Quoc Viet ◽

Jai Hyuk Hwang

Keyword(s):

Numerical Simulation ◽

Force Control ◽

Hybrid Control ◽

Mr Damper ◽

Landing Gear ◽

Operating Conditions ◽

Magnetorheological Damper ◽

Numerical Simulation Result ◽

Aircraft Landing ◽

Aircraft Landing Gear

The magnetorheological (MR) damper is the newest approach to replace the traditional passive damper which cannot change their dynamics in response to different operating conditions of the aircraft landing gear. This paper presents the simulation study of a semi-active controller for a landing gear equipped MR damper. Furthermore, a new method combined skyhook control with force control, called hybrid control, is developed to improve the performance of the MR damper landing gear. Finally, the numerical simulation result of the landing gear using SIMSCAPE-Simulink is discussed.

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Analysis of Dynamic Characteristics of Automatic Transmission Shifting Control

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.643.42 ◽

2014 ◽

Vol 643 ◽

pp. 42-47 ◽

Cited By ~ 1

Author(s):

Yan Xiao Fu ◽

Liang Yi Cui ◽

Xiang Yang Xu ◽

Peng Dong

Keyword(s):

Simulation Model ◽

Control Strategy ◽

Model Simulation ◽

Automatic Transmission ◽

Test Results ◽

Shift Quality ◽

Impact Function ◽

Automatic Transmissions ◽

Simulation Results ◽

The Impact

Basing on the fact that requirements for shift quality in automatic transmissions have been increasing rapidly necessitates the establishment of a suitable shifting control strategy in order to facilitate smoothness of different processes, this paper introduces a simulation model of an 8-speed automatic transmission for front-drive vehicles with respect to detailed shifting strategies and relative parameters. The transmitted torque of the oncoming shift elements before synchronization point can be reduced by an impact function in order to damp the impact and thus make the gear shifting process more smooth. This paper makes a systematic introduction of the structure of 8AT, theoretical basis of control strategy, the establishment of the simulation model and the comparison between test results and simulation results. The conclusion shows that with an accurate dynamic model, simulation results and test results are neighborhood data, the simulation model can be used to help realizing the ultimate goal of better shift quality with higher efficiency, lower shift loads and improved shifting comfort.

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An effective projection-based nonlinear adaptive control strategy for heavy vehicle suspension with hysteretic leaf spring

Nonlinear Dynamics ◽

10.1007/s11071-020-05527-4 ◽

2020 ◽

Vol 100 (1) ◽

pp. 451-473 ◽

Cited By ~ 1

Author(s):

Jie Zhang ◽

Fei Ding ◽

Bangji Zhang ◽

Chao Jiang ◽

Haiping Du ◽

...

Keyword(s):

Adaptive Control ◽

Control Strategy ◽

Vehicle Suspension ◽

Leaf Spring ◽

Heavy Vehicle ◽

Nonlinear Adaptive Control ◽

Adaptive Control Strategy

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The Implementation of Skyhook Control for Semi-Active Suspension Based on Vi-CarRealTime

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.713-715.748 ◽

2015 ◽

Vol 713-715 ◽

pp. 748-751 ◽

Cited By ~ 1

Author(s):

Bo Wei Bi ◽

Fang Xiao

Keyword(s):

Control Strategy ◽

Ride Comfort ◽

Active Suspension ◽

Vehicle Model ◽

Control Range ◽

Control Signals ◽

Suspension Control ◽

Automobile Suspension ◽

Simulation Results ◽

Damper Control

The research of semi active suspension control strategy once was a hot point in the field of automobile suspension [2, 3], but it is difficult to achieve for most of them. I choose VI-CarRealTime to build vehicle model based on ADAMS vehicle model. Kalman Filter designed based on 1/2 vehicle model supply control signals for controller. Considering characteristics of CDC damper, Skyhook control strategy is applied for simulation, the simulation results show that, Skyhook Control can improve vehicle ride comfort in CDC damper control range.

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Design and Simulation of Power System for Hybrid Sweeper Truck

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.389.435 ◽

2013 ◽

Vol 389 ◽

pp. 435-440

Author(s):

Bing Li Zhang ◽

Lun Zhen Wang ◽

Fu Bin Xiao ◽

Xin Ying Ou

Keyword(s):

Power System ◽

Simulation Model ◽

Fuel Consumption ◽

Hybrid System ◽

Fuel Economy ◽

Control Strategy ◽

Hybrid Power System ◽

Hybrid Power ◽

Simulation Results ◽

And Control

A hybrid system scheme was designed for the sweeper truck, to solve the problems of high fuel consumption and poor emission performance of traditional sweeper. The control strategy was determined for the hybrid power system. The simulation model of hybrid sweeper truck was built with Matlab/Simulink, and off-line simulation was completed to verify the power system scheme and control strategy, the simulation results indicate that the hybrid sweep truck can realize functions of sweeper and improve the fuel economy.

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Examination of Different Control Strategies of Heavy-Vehicle Performance

Journal of Dynamic Systems Measurement and Control ◽

10.1115/1.2801172 ◽

1996 ◽

Vol 118 (3) ◽

pp. 489-498 ◽

Cited By ~ 15

Author(s):

L. Palkovics ◽

M. El-Gindy

Keyword(s):

Control Strategy ◽

Control Strategies ◽

Linear Quadratic Regulator ◽

Torque Control ◽

Heavy Vehicle ◽

Vehicle Model ◽

Linear Quadratic ◽

Vehicle Performance ◽

Active Steering ◽

Handling Characteristics

Heavy vehicles play an economically important role in the transportation process, and their numbers have been increasing for several decades. The active safety of the highway system is an important consideration in the design of a heavy vehicle combination. In this paper, the handling characteristics of a 5-axle tractor-semitrailer is examined and used to test for the desired features of the vehicle’s handling and stability. Using these results the optimal control criterion is derived for the vehicle. Four different control strategies are examined by using the Linear Quadratic Regulator (LQR) approach. These are, active steering of the rear wheels of the tractor; active steering of the wheels of the trailer; active torque control in the fifth-wheel joint; and active yaw torque acting on the tractor. These controllers are designed and examined using a simplified linear vehicle model. In addition to discussing the above-mentioned approaches, this paper discusses a method of modifying the slip angles at the tractor’s rear (driven) axles, however the yaw torque at the tractor cg also can be controlled using what is called “unilateral braking.” As well, the replacement of the active torque control at the fifth wheel joint, by a control strategy based on the usage of controllable dampers at the fifth-wheel joint, will also be examined. In this case, a nonlinear mathematical model of the vehicle is used and a modified control strategy called the RLQR/H∞ approach is used to ensure the vehicle’s performance in the presence of parametric uncertainties. The examination of these control strategies is conducted by using a sophisticated non-linear vehicle model, and the influence of these control strategies on the vehicle’s directional and roll stability during severe path-follow lane-change manoeuvre is discussed.

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Dual Clutch Automatic Transmission Two Clutch Starting Control and Simulation

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.372.538 ◽

2013 ◽

Vol 372 ◽

pp. 538-542

Author(s):

Guo Zhong Jia ◽

Xin Ping Wu ◽

Zhen Hua Jia

Keyword(s):

Simulation Model ◽

Control Strategy ◽

Control Strategies ◽

Automatic Transmission ◽

Control Model ◽

Launch Strategy ◽

Simulation Results ◽

Clutch Control ◽

The Impact ◽

Starting Control

According to the special structure of DCT, the control strategy of launch with two clutches has been proposed to share the friction work and extend the life of both clutches. The dynamic model of launch with two clutches and the clutch control model have been built. the control strategies of both clutches have been proposed respectively according to the requirement of the different driver intention and the limitation of the impact of vehicle. The simulation model of launch with two clutches has been built using the Matlab/Simulink platform, and the simulation has been carried out. The Simulation results show that the balance of friction work based on this launch strategy with two clutches has been validated.

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