Relevant bibliographies by topics / Hydraulic Power Steering

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Hydraulic Power Steering'

Author: Grafiati
Published: 4 June 2021
Last updated: 14 February 2022

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Journal articles on the topic "Hydraulic Power Steering"

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Park, Ji In, Kawngki Jeon, and Kyongsu Yi. "An investigation on the energy-saving effect of a hybrid electric-power steering system for commercial vehicles." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 233, no. 6 (June 5, 2018): 1623–48. http://dx.doi.org/10.1177/0954407018777579.

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This article describes an investigation on the energy consumption of an alternative hybrid electric power steering system. The conventional hydraulic power steering system that is widely used in commercial vehicles can provide high steering-feel and reliability performances. However, since the combustion engine drives the pump, the hydraulic power steering system is energetically inefficient. To cope with this disadvantage of the hydraulic power steering system and to provide a technical base for the steering-related advanced driver assistance system, the Hybrid electric power steering system offers a solution for heavy commercial vehicles. The “Hybrid” of the title means that, for heavy commercial vehicles, the electric power steering system and electro-hydraulic power steering system are integrated in a ball-nut steering system. In this paper, to verify the energy-saving effect of the Hybrid electric power steering system, a dynamic model of the Hybrid electric power steering system was developed to estimate the energy consumption in the steering system. Furthermore, the fuel-efficiency test for the Hybrid electric power steering system were conducted while replacing the two steering systems (the conventional hydraulic power steering and Hybrid electric power steering system) in one vehicle on the chassis dynamometer for the proposed driving cycle. The driving cycle including the steering-angle profile has been developed to clearly investigate the effect on the energy-saving potential by the types of the steering system (hydraulic power steering and Hybrid electric power steering). The simulation results of the energy-consumption estimation showed that the hybrid electric power steering system can reduce the steering-system energy consumption by more than 50% under the proposed driving cycle. Also, the vehicle testing of the chassis dynamometer revealed that the Hybrid electric power steering system can improve the fuel efficiency of the vehicle by 1% for the specified driving cycle.
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Wang, Jun, and Li Chao Xu. "Electric Hydraulic Power Steering System Simulation Study." Applied Mechanics and Materials 373-375 (August 2013): 154–57. http://dx.doi.org/10.4028/www.scientific.net/amm.373-375.154.

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Properly controlling electro hydraulic power steering system can improve steering performance. The relation of motor speed, vehicle speed and steering speed is gained, according to the influence of motor speed on the steering performance. The force and angle input is set in the driver input model. Rotary valve is simulated by four orifices. The steering resistance between tire and ground is simulated by the coulomb friction on two tips of the rack. The method of double closed-loops PID is used to control the motor. The influence of the control strategy on the steering performance is realized by the simulations of three typical situation, which includes steering portability, road feel, the speed of assist force response and its stability. The results of simulation validate the availability of the control strategy, which is the basic of optimization.
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Zhu, Qing, Gang Liu, and De Chao Song. "The Study of Dynamic Characteristic of Full Hydraulic Power Steering System Based on AMESim." Advanced Materials Research 482-484 (February 2012): 474–77. http://dx.doi.org/10.4028/www.scientific.net/amr.482-484.474.

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The simulation model of full hydraulic power steering system whose key part is full hydraulic power steering unit is established based on AMESim. According to the parameters from one articulated construction vehicle, the dynamic characteristic of the full hydraulic power steering system can be studied. Through the input from steering wheel and external load in different situations, the response curve is obtained, that can provide references for the design of full hydraulic power steering system in articulated construction vehicles.
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Hu, Ai Jun. "Development of the Automobile Steering System." Applied Mechanics and Materials 42 (November 2010): 272–75. http://dx.doi.org/10.4028/www.scientific.net/amm.42.272.

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The automobile mechanical steering system, hydraulic power steering system, electro hydraulic power steering system, electric power steering system, active front steering and steer-by-wire system were introduced in this paper. It is indicated that the integrated control technology of active steering and vehicle are the future development tendency.
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Li, Jie, Jian Tong Song, Li Hong Wang, and Jv Biao Yao. "Design of Traditional Hydraulic Steering System with Variable Power." Applied Mechanics and Materials 644-650 (September 2014): 755–58. http://dx.doi.org/10.4028/www.scientific.net/amm.644-650.755.

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Conventional hydraulic steering system has the problems of "low-speed heavy, high-speed flight" and energy-wasting when steering, the main reason is after the system is designed, the power characteristics are fixed. To solve this problem it is necessary to achieve the power characteristics of changing power steering system according to speed of vehicles, in order to offer the power that matches the speed. Using vehicle speed sensor signal to control pilot solenoid unloading valve to regulate the pressure of hydraulic system, can achieve the regulation of power characteristics, this article is based on such idea to design variable hydraulic power steering system for hydraulic power steering system of light trucks.
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Dange, Chandrakant. "Double Barrel Hydraulic Power Steering Gear." Auto Tech Review 3, no. 1 (January 2014): 60–63. http://dx.doi.org/10.1365/s40112-014-0524-y.

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Yang, Zhen Lin, Ren Guang Wang, Lin Tao Zhang, Chao Yu, Guang Kui Shi, and Heng Tao Chen. "A New Hydraulic Power Steering System for Hybrid City Bus." Applied Mechanics and Materials 321-324 (June 2013): 1562–65. http://dx.doi.org/10.4028/www.scientific.net/amm.321-324.1562.

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A new type power steering system was developed for electric hybrid city bus. It is mainly composed of fluid reservoir, electric motor, steering pump, safety valve, solenoid, pressure sensor, hydraulic cylinder, braking air tank, controller, steering wheel, steering angle sensor, steering control valve, mechanical steering mechanism, steering power cylinder. Its main idea is based on using of pressure from braking air tank to push a cylinder to generate hydraulic pressure. It can provide enough pressure for steering needing timely. And the steering pump does not need working at the time of no steering requirement. The application of a new type power steering system can save energy to improve fuel efficiency.
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Chen, Yong, and Jing Jing Xia. "Research on Design Methods and Experiments of the Electro-Hydraulic Power Steering Pump." Advanced Materials Research 986-987 (July 2014): 1125–28. http://dx.doi.org/10.4028/www.scientific.net/amr.986-987.1125.

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In order to improve the performance of vehicle steering system and reduce the system energy consumption, the structure and operation principle of an electro-hydraulic power steering (EHPS) system with a electro-hydraulic steering pump are described, on this basis, with the function requirement of steering system, and by using vehicle design and fluid drive theory, the design method of this electro-hydraulic steering pump and its matching with the vehicle are presented. Through building electro-hydraulic steering pump test platform to test its performance parameters, the results prove the correctness and effectiveness of this kind of design method, provide the basis for subsequent development of the electronic control system.
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Xue, Y., and J. Watton. "Modelling of a hydraulic power steering system." International Journal of Vehicle Design 38, no. 2/3 (2005): 162. http://dx.doi.org/10.1504/ijvd.2005.007290.

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Shi, Guo Biao, Shuai Wang, Peng Gu, Huan Xin Xie, and Yi Lin. "Energy Analysis for Electric Hydraulic Power Steering System of Electric Bus." Applied Mechanics and Materials 610 (August 2014): 164–68. http://dx.doi.org/10.4028/www.scientific.net/amm.610.164.

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Electric hydraulic power steering system (EHPS) is an on-demand power steering system that uses a small displacement and high speed electric pump. By optimizing the assist characteristic curve, EHPS can save energy more significantly than traditional hydraulic power steering system. After overview of the energy saving principle for EHPS system, the energy consumption of the EHPS system is elaborated, and the energy loss of the mechanical, electrical, hydraulic subsystems is analyzed. Finally, targeted measures are proposed for energy conservation.
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Dissertations / Theses on the topic "Hydraulic Power Steering"

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Dell’Amico, Alessandro. "Pressure Control in Hydraulic Power Steering Systems." Licentiate thesis, Linköpings universitet, Fluida och mekatroniska system, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-100841.

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There is a clear trend in the vehicle industry to implement more safetyrelated functions, where the focus is on active safety systems and today the steering system is also involved. Steering-related active safety functions can only be realised with a steering system that allows electroniccontrol of either the road wheel angle or the torque required to steer the vehicle, called active steering. The high power requirement of heavy vehicles means they must rely on hydraulic power to assist the driver. Thesystem is a pure hydro-mechanical system with an open-centre circuit activated by the driver’s steering action and suffers from poor energy efficiency. The main task of the hydraulic system is to control the pressure in the assistance cylinder in such a way that it eases the load on the driver. This work suggests a way to design and evaluate a self-regulating pressure control valve for use as actuator in the steering system. This valve can be made small and fast and is electronically controlled to enable active steering. It is based on a closed-centre circuit and has therefore the potential to improve energy efficiency. The aim of this work has been to investigate the possibility for the valve to perform as the  original open-centre valve. The suggested approach is a model-based design and evaluation process where an optimisation routine is used to design the valve. Together with a validated model of the steering system, the new concept is compared with the original system. A hardware-inthe-loop simulation test rig has also been designed and built with the possibility to test a closed-centre steering system. It has partly been used to support the modelling process and partly to verify that a closedcentre steering system is a feasible solution. The simulation results  have shown that the designed valve can perform sufficiently well compared to the original system.
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Svensson, Oskar. "Electrohydraulic Power Steering Simulation : Dynamic, thermal and hydraulic modelling." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-265674.

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There are several benets of electrohydraulic power steering systems, as compared to hydraulicpower steering systems where the pump is driven directly by the engine of the vehicle. Someof these benets are increased eciency and improved steering performance. The purpose ofthis project is to create a simulation model of the electrohydraulic power steering system inSimulink, excluding the hydraulic circuit. The model should thus consist of the electric motor,the drive electronics, the control system, the hydraulic pump as well as the communication andinterface to the master simulation system in which the model will be used.As a start a mathematical model of the motor is derived. Then the motor controller includingtwo current controllers and a speed controller is developed. The switching signals for the threephase bridge that drives the motor are calculated using space vector modulation. The motordrives a hydraulic pump, which is modeled using data sheet eciency curves. Finally a thermalmodel of the drive is developed. To fulll real time requirements, a lumped parameter approachis chosen. The nal model is exported as a Functional Mock-up Unit, which is a black-boxencapsulation of the complete simulation model.The simulation model is compared to measurement data to conrm its validity. Thesecomparisons shows that the dynamic response of the motor and its controller are close to themeasured values and that the thermal model adequately corresponds to the thermal tests. Thehydraulic pump model varied from measurements more than the other sub-modules. It was,however, seen as acceptable. Overall the system response was satisfactory, but naturally a lotof future improvements and new features could be made to improve the model.
Det finns flera fördelar med elektrohydraulisk servostyrning, där hydraulpumpen drivs av en el-motor, jämfört med hydraulisk servostyrning, där pumpen drivs direkt av fordonets förbränningsmotor. Några av dessa fördelar är ökad effektivitet och förbättrad styrprestanda. Syftet med detta projekt är att skapa en Simulink-modell av ett elektrohydraulisk system för servostyrning, exklusive hydraulkretsen. Modellen ska alltså bestå av delmodeller för elmotorn, drivelektroniken, styrsystemet, hydraulpumpen samt kommunikation med den övergripande simuleringsplattformen.Inledningsvis beskrivs en matematisk modell av elmotorn och efter det utvecklas motorstyrningen, bestående av två strömregulatorer samt en hastighetsregulator. Spänningen från strömregulatorerna uppnås genom space vector-modulation, som beräknar de pulskvoter som krävs för att uppnå denna spänning. Elmotorn driver en pump. Denna pump modelleras med hjälp av data från pumpens datablad. Slutligen modelleras drivelektronikens termiska egenskaper med ett termiskt nätverk. Den slutliga modellen omsluts av en Functional Mock-up Unit somintegreras i den övergripande simuleringsplattformen.
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Drew, J. E. "The use of flexible hose to reduce pressure ripple in power steering." Thesis, University of Bath, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.362556.

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Rösth, Marcus. "Hydraulic Power Steering System Design in Road Vehicles : Analysis, Testing and Enhanced Functionality." Doctoral thesis, Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-8186.

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Demands for including more functions such as haptic guiding in power steering systems in road vehicles have increased with requirements on new active safety and comfort systems. Active safety systems, which have been proven to have a positive effect on overall vehicle safety, refer to systems that give the driver assistance in more and less critical situations to avoid accidents. Active safety features are going to play an increasingly important roll in future safety strategies; therefore, it is essential that sub systems in road vehicles, such as power steering systems, are adjusted to meet new demands. The traditional Hydraulic Power Assisted Steering, HPAS, system, cannot meet these new demands, due to the control unit's pure hydro-mechanical solution. The Active Pinion concept presented in this thesis is a novel concept for controlling the steering wheel torque in future active safety and comfort applications. The concept, which can be seen as a modular add-on added to a traditional HPAS system, introduces an additional degree of freedom to the control unit. Different control modes used to meet the demands of new functionality applications are presented and tested in a hardware-in-the-loop test rig. This thesis also covers various aspects of hydraulic power assisted steering systems in road vehicles. Power steering is viewed as a dynamic system and is investigated with linear and non-linear modeling techniques. The valve design in terms of area gradient is essential for the function of the HPAS system; therefore, a method involving optimization has been developed to determine the valve characteristic. The method uses static measurements as a base for calculation and optimization; the results are used in both linear and the non-linear models. With the help of the linear model, relevant transfer functions and the underlying control structure of the power steering system have been derived and analyzed. The non-linear model has been used in concept validation of the Active Pinion. Apart from concept validation and controller design of the active pinion, the models have been roven effective to explain dynamic phenomena related to HPAS systems, such as the chattering phenomena and hydraulic lag.
The printed version and the electronic version differ in that the electronic version contains two built in video films (see page 78 and page 89).
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Rösth, Marcus. "Hydraulic power steering system design in road vehicles : analysis, testing and enhanced functionality /." Linköping : Division of Fluid and Mechanical Engineering Systems, Department of Mechanical Engineering, Linköping University, 2007. http://www.bibl.liu.se/liupubl/disp/disp2007/tek1068s.pdf.

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Sjölund, Rickard, and Nicklas Vedin. "Steering System Modelling for Heavy Duty Vehicles." Thesis, Linköpings universitet, Reglerteknik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-119770.

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Future heavy duty vehicles will be designed and manufactured with improved Advanced Driver Assistance Systems, ADAS. When developing ADAS, an accurate model of the vehicle dynamics greatly simplifies the development process. One element integral to the vehicle lateral dynamics and development of ADAS is the steering system. This thesis aims to develop an accurate model of a heavy duty vehicle steering system suitable for simulations. The input to the system is an input torque at the steering wheel and the output is the wheel angle. Physical models of the system components are developed using bond graphs and known relations. Some components are modelled with non-linear inefficiencies and friction of different complexity. Unknown parameters and functions are identified from measurement data using system identification tools such as, for example, linear regression and non-linear grid search. The different subsystems are identified separately to the extent deemed possible. Different model designs are considered, validated, and compared. The advantages and disadvantages of different model choices are discussed. Finally, a non-linear state space model is selected for its high accuracy and efficiency. As this final model can be used to simulate a heavy duty vehicle steering system on a desktop computer faster than real time, it fulfills its purpose.
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Baharom, Masri B., Khalid Hussain, and Andrew J. Day. "Design of full electric power steering with enhanced performance over that of hydraulic power-assisted steering." 2013. http://hdl.handle.net/10454/9624.

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This paper presents a method of designing a full electrical power steering system to replace a hydraulic power-assisted steering system with improved performance and benefits including energy saving, improved steering 'feel', simpler construction and environmental gain. The designed performance of the electrical power steering system represented an ideal hydraulic power-assisted steering power boost curve which was mathematically modelled to provide the required control characteristic for the electrical power steering system, including variation in the perceived power assistance with the vehicle's forward speed. A full electrical power steering system provides all the torque necessary to steer the wheels, and the steering feel is artificially generated by an electric 'feedback' motor which provides resistance to the driver's input. The performance of the electrical power steering system described in this paper was enhanced by manipulating the reactive torque to the driver's input at the steering wheel so that it depended upon the driving conditions. Full-vehicle software models were generated using ADAMS/car software based on an actual car fitted with hydraulic power-assisted steering and full electrical power steering. The simulation results from both models were compared, and it is concluded that the steering performances of both systems were similar but the steering feel of the full electrical power steering system could be tuned to provide improved feedback to the driver in use. The performance of the full electrical power steering system could be further improved with the introduction of a controller to manipulate the steering feel during undesired conditions.
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Book chapters on the topic "Hydraulic Power Steering"

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Semmel, Dieter. "Hydraulic Power Supply." In Steering Handbook, 357–79. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-05449-0_13.

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Vasiliu, Nicolae, Daniela Vasiliu, Constantin Călinoiu, and Radu Puhalschi. "Numerical simulation of the automotive hydraulic steering systems." In Simulation of Fluid Power Systems with Simcenter Amesim, 263–304. Boca Raton : Taylor & Francis, CRC Press, 2018.: CRC Press, 2018. http://dx.doi.org/10.1201/9781315118888-6.

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Tuan, Nguyen Xuan, Huyen T. Dinh, and Nguyen Van Bang. "Research on Dynamic Modelling for Hydraulic Power Automotive Steering Systems with Nonlinear Friction." In Advances in Engineering Research and Application, 620–27. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-37497-6_71.

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Chang-gao, Xia, Zhu Zhong-ming, and Zheng Rong-liang. "Realization of Control Algorithm for Electro-Hydraulic Power Steering System Based on MC9S08AW32 Microcontroller." In Advances in Intelligent and Soft Computing, 581–89. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-25185-6_74.

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Conference papers on the topic "Hydraulic Power Steering"

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Kokotovic, Vladimir V., John Grabowski, Viral Amin, and John Lee. "Electro Hydraulic Power Steering System." In International Congress & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1999. http://dx.doi.org/10.4271/1999-01-0404.

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Martin, Jon W. "Power Steering Gear Reliability: Hydraulic Seal Technology." In SAE 2002 World Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2002. http://dx.doi.org/10.4271/2002-01-0637.

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Sonchal, Chirag Padmakar, Jaypal gajankush, Anand Vijay Kulkarni, and Sandeep pawar. "Energy Efficient Hydraulic Power Assisted Steering System (E2HPAS)." In SAE 2012 World Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2012. http://dx.doi.org/10.4271/2012-01-0976.

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Wong, Tom. "Hydraulic Power Steering System Design and Optimization Simulation." In SAE 2001 World Congress. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2001. http://dx.doi.org/10.4271/2001-01-0479.

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Ferries, G. R., and R. L. Arbanas. "Control/structure interaction in hydraulic power steering systems." In Proceedings of 16th American CONTROL Conference. IEEE, 1997. http://dx.doi.org/10.1109/acc.1997.609712.

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Zhigang Fang, Xuexun Guo, and Guanneng Xu. "Modeling and simulation of hydraulic power steering system." In 2011 International Conference on Electric Information and Control Engineering (ICEICE). IEEE, 2011. http://dx.doi.org/10.1109/iceice.2011.5777126.

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Chandrasekhar, Rajnish. "Improved Hydraulic Power Steering Pump Design Using Computer Tools." In SAE 2005 World Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2005. http://dx.doi.org/10.4271/2005-01-1269.

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Ying Sun, Ping He, Yunqing Zhang, and Liping Chen. "Modeling and Co-simulation of Hydraulic Power Steering System." In 2011 International Conference on Measuring Technology and Mechatronics Automation (ICMTMA). IEEE, 2011. http://dx.doi.org/10.1109/icmtma.2011.435.

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Kang, Wonho, Chang-Seob Sim, and Ji-Yeol Kim. "Modeling of a Hydraulic Power Steering System and Its Application to Steering Damper Development." In SAE 2005 World Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2005. http://dx.doi.org/10.4271/2005-01-1263.

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Gao, Lulu, Chun Jin, Yuchao Liu, Fei Ma, and Zhipeng Feng. "A Novel Model-Based Steering Control for Hydra-Power Articulated Steering Vehicles." In BATH/ASME 2020 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/fpmc2020-2718.

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Abstract The hydra-power articulated steering vehicles possess brilliant maneuverability and efficiency, and they were widely applied in mining, construction, agriculture, and forestry. However, the steering characteristic also deduced a serious handling stability problem of this type of vehicle, i.e., oscillation in yaw motion. Previous research only analyzed the stability of the vehicle dynamical system or provided a passive structural method to suppress the oscillation of articulated vehicles. This work presents a novel model-based steering control of articulated steering vehicles. A coupled nonlinear dynamic model was established firstly, in which nonlinear models of the hydraulic system and dynamic model of articulated frames were included. Then the coupled model was validated in time and frequency domain by a field test. The susceptibility of different factors of the system oscillation was investigated by simulation based on the validated model. On this foundation, an optimized scheme of the hydraulic steering system was provided. Further a novel control strategy, in which the articulation angle and corresponding angular velocity were considered together as the control variables of the system, was embedded into the optimized system. Comparing results in dynamic responses of articulated frames, ripples in the hydraulic steering system shown the effectiveness and superiority of the presented method.
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