نتایج جستجو برای: active suspension
تعداد نتایج: 471256 فیلتر نتایج به سال:
The paper presents the virtual prototype of an automotive suspension system with force generator actuator. The active suspensions use sensors to measure the accelerations of sprung mass and unsprung mass, the analog signals from the sensors being transmitted to the controller, which communicates with the force actuator. In this way, the passenger comfort and car stability are simultaneously imp...
In semi-active suspension control, comfort and road holding are two essential but conflicting performance objectives. In a previous work, the authors proposed an LPV formulation for semi-active suspension control of a realistic nonlinear suspension model where the nonlinearities (i.e the bi-viscous and the hysteresis) were taken into account; an H∞/LPV controller to handle the comfort and road ...
A novel adaptive fuzzy logic controller (AFC) based on interval type-2 fuzzy is proposed for vehicle non-linear active suspension systems. The adaptive strategy elicited from Least Means Squares optimal algorithm (LMS) is adopted to self-tune lower bounds and upper bounds of interval type-2 fuzzy membership functions (IMFs). The IMFs are utilized in the AFC design to deal with not only non-line...
The topic of this paper is the design and analysis of a control system for a semi-active suspension in a 2-wheel vehicle. The control system is implemented via a semi-active electro-hydraulic damper located on the rear suspension of a hypersport-class motorbike. The entire design and analysis procedure is outlined: the semi-active damper is analyzed and characterized; a wide range of control st...
. All rights reserved. 2053; fax: +90 352 4375784. ). _ I. Eski, S . Yıldırım / Simulation Modelling Practice and Theory 17 (2009) 778–793 779 developed to control a seat suspension system of non-linear full vehicle model [10]. Yıldırım and Uzmay have been investigated the variation of vertical vibrations of vehicles using a neural network [11]. An active horizontal spray-boom suspension, reduc...
This paper presents the design of a robust controller for a vehicle air suspension system using Quantitative Feedback Theory (QFT). This study is primarily focused on control of linearized active air suspension system. For the purpose of simplicity, the dynamics of the air suspension system is modeled using a simple 2-DOF quarter car model. Uncertain dynamic system with different working condit...
This paper introduces a theoretical investigation of active vehicle suspension system using sliding mode control (SMC) algorithm to enhance the ride comfort and vehicle stability under parameters uncertainty. SMC algorithm is a nonlinear control technique that regulates the dynamics of linear and nonlinear systems using a discontinuous control signal. The proposed control algorithm forces the s...
Control of vehicle suspension systems has been the focus of extensive work in the past two decades. Many control strategies have been developed to improve the overall vehicle performance, including both ride quality and stability conditions. In this paper, we use the H∞ and mixed H2/H∞ techniques with a semi active suspension system to increase the passenger’s ride comfort performance A two deg...
With the development of technology, new materials have been invented, which have been applied to improve the performance of structures. Recently, researchers pay their attention to controllable fluids and its applications. Magneto rheological (MR) damper is a kind of devices that uses rheological fluids to modify their mechanical properties. Their mechanical simplicity, large dynamic range, low...
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