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Rack Force Estimation for Electric Power Steering
Volume 3: 17th International Conference on Advanced Vehicle Technologies; 12th International Conference on Design Education; 8th Frontiers in Biomedical Devices, 2015This paper discusses a steering rack force estimation scheme using test-rig generated models. In addition to friction identification, a model of the electric power steering system is identified by the use of the instrumented test-rig. It turns out that the friction in the steering system is highly load-dependent, asymmetric with respect to speed, and ...
Thomas Weiskircher +2 more
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Sensorless IPMS motor drive control for electric power steering
2008 IEEE Power Electronics Specialists Conference, 2008Key requirements of electric power steering systems such as cost implementation, minimum algorithm complexity and code length, low torque fluctuation and mechanical vibrations are fully complied by the sensorless control technique proposed in this paper, based on high voltage signal injection and measurement of an additional high frequency stator ...
CONSOLI A +4 more
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Research on an Electric Power Steering System with Active Steering Ability
Applied Mechanics and Materials, 2013To introduce a new type of electric power steering system, the structure and working principle of the system were introduced, and the models of the car, the tire and the steering system were established. The assist characteristic of the power steering and the ideal steering ratio were also designed and optimized.
Jun Wei Qiao, Jin Fa Xie, Zhen Wei Yang
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Innovation drivers for electric power-assisted steering
IEEE Control Systems, 2003The article is concerned with the analysis, design, and implementation of an electric power-assisted steering (EPAS) system for passenger cars. Key components of the EPAS system include a torque sensor, electric motor, electronic control unit, and control and diagnostic algorithms implemented in software.
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An Advanced Electrical Power Steering Motor (2)
SAE Technical Paper Series, 2001<div class="htmlview paragraph">Recently, EPS (Electrical Power Steering) is being widely applied in order to reduce fuel consumption and decrease installation problems of the power steering system. EPS also decreases development time and cost of the steering system due to its ease of tuning.</div> <div class="htmlview paragraph">As ...
Toshinori Tanaka +3 more
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H∞ control of novel active steering integrated with electric power steering function
Journal of Central South University, 2013Based on the traditional active steering system, a novel active steering system integrated with electric power steering function was introduced, which can achieve the functions of both active steering and electric power steering. In view of the interference from road random signal and sensor noise in the novel active steering system, the H∞ control ...
Wan-zhong Zhao +4 more
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Investigation of Factors Affecting Steering Feel of Column Assist Electric Power Steering
Volume 2: Mechatronics; Mechatronics and Controls in Advanced Manufacturing; Modeling and Control of Automotive Systems and Combustion Engines; Modeling and Validation; Motion and Vibration Control Applications; Multi-Agent and Networked Systems; Path Planning and Motion Control; Robot Manipulators; Sensors and Actuators; Tracking Control Systems; Uncertain Systems and Robustness; Unmanned, Ground and Surface Robotics; Vehicle Dynamic Controls; Vehicle Dynamics and Traffic Control, 2016An application of electric power assist steering (EPAS) system has rapidly grown and overtaken hydraulic power assist steering (HPAS) system in recent automotive industry. The EPAS system has better fuel efficiency and potential application on vehicle dynamic control compared to HPAS. However, it is widely believed that the steering feel of EPAS system
Yijun Li +3 more
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Torque estimation in electrical power steering systems
2009 IEEE Vehicle Power and Propulsion Conference, 2009Currently, all Electric Power Assist Steering (EPAS) systems employ a pinion torque sensor, between the steering column and pinion, to determine the amount of the torque assist to the driver. This torque assist is calculated via a tunable nonlinear boost curve.
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Electric Power Steering for Autonomous Driving Cars
2022 International Conference on Industry 4.0 Technology (I4Tech), 2022Niveditha M +2 more
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