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Wyszukujesz frazę "steer-by-wire" wg kryterium: Temat

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    Wyświetlanie 1-3 z 3
    Tytuł:
    Hydraulic circuit control of a steer by wire system
    Autorzy:
    Voženilek, R.
    Maly, M.
    Brabec, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/245341.pdf
    Data publikacji:
    2009
    Wydawca:
    Instytut Techniczny Wojsk Lotniczych
    Tematy:
    steer by wire
    hydraulic circuit
    control
    Opis:
    The future of cars will be connected with "by-wire" systems. The Technical University of Liberec, Department of vehicles and Engines has developed a design of testing equipment for directional control system testing. The objective of the newly designed equipment is to incorporate a wheel with a real tire and a flexible mounting of axle components. The paper describes properties and control of the hydraulic circuit consisting of two double-acting engines with a unilateral piston rod and two proportional valves (Parker D1FP). Each of the front axle wheels is controlled separately. The paper illustrates relationships andpotential of steer-by-wire systems at the experimental equipment. The safe and easy control of a vehicle undoubtedly poses significant requirements. Satisfying them and improving the design to enhance the vehicle's stability have always belonged to the primary objectives of designer s. Consequently, the chassis characteristics, the mechanical features of wheel suspensions, the quality of air suspensions, but also speed control (including brakes) and the vehicle 's directional control have always been emphasised. The objective of the paper was to design a steer-by-wire directional control mechanism with a suitable arrangement. The comparison focuses on various design options to arrange the action members (actuators) of this mechanism.
    Źródło:
    Journal of KONES; 2009, 16, 4; 477-483
    1231-4005
    2354-0133
    Pojawia się w:
    Journal of KONES
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Test VDA ISO TR3888 on the testing bench for steer by wire system
    Autorzy:
    Voženilek, R.
    Brabec, P.
    Maly, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/246243.pdf
    Data publikacji:
    2010
    Wydawca:
    Instytut Techniczny Wojsk Lotniczych
    Tematy:
    steer by wire
    experimental laboratory establishment
    vehicle axle
    Opis:
    The Technical University of Liberec, Department of Vehicles and Engines, has developed a design of a testing bench which would enable the testing of directional control systems. The objective of the newly designed equipment is to incorporate a real tyre as well as aflexible mounting of the axle components into the tested system. Future of car s will be connected with systems of type steer by wire. This system need to be testing on the testing bench before real test in the car. One method for assessing can be investigation control deviation during test VDA ISO TR3888. The paper will describe measurement of the real car with conventional directional control during test VDA ISO TR3888 and simulation of the system steer by wire on the testing bench. The experimental steer by wire system forms hydraulic circuit with two double-acting hydraulic cylinders with a unilateral piston rod and two proportional valves Parker D1FP. Every wheel front of axle is control alone. The PID regulators were usedfor control of the positioning action. In particular, the testing bench for the testing of steering at zero angular speed of wheels, VDA ISO TR 3888 tests on the testing bench are presented in the paper.
    Źródło:
    Journal of KONES; 2010, 17, 4; 561-565
    1231-4005
    2354-0133
    Pojawia się w:
    Journal of KONES
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Action of force in steering mechanisms of vehicles in an experimental laboratory establishment
    Autorzy:
    Brabec, P.
    Maly, M.
    Voženilek, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/242204.pdf
    Data publikacji:
    2009
    Wydawca:
    Instytut Techniczny Wojsk Lotniczych
    Tematy:
    steer by wire
    experimental laboratory establishment
    vehicle axle
    Opis:
    The safe and stable control ofa vehicle undoubtedly belongs to one of the most important requirements that relate to the vehicle 's design and operation. Consequently, in the near future, so called steer-by-wire systems could become the next stage in the control system development. A number of new, modern vehicles presented by car makers at important car shows definitely show how topical the issue is. If we want to create a design for this steering system, we have to know the action offorce very well. An experimental laboratory establishment for measuring and optimizing the steering system of vehicles was developed in our centre. The testing equipment is made of aluminium sections enabling the equipment to be quickly adapted to various vehicles ' axles and tyres. An exchangeable mat located under a tyre enables the system to create behaviour simulation for various surfaces with a different coefficient of adhesion. A sliding way assisted by a hydraulic jack under a tyre allows a change in axle load for example in accordance with the vehicle 's occupancy. A force sensor will be positioned between the jack and the mat to monitor the load adjustment. The testing stand design enables us to determine responses and behaviour of the system including tyres.The safe and stable control ofa vehicle undoubtedly belongs to one of the most important requirements that relate to the vehicle 's design and operation. Consequently, in the near future, so called steer-by-wire systems could become the next stage in the control system development. A number of new, modern vehicles presented by car makers at important car shows definitely show how topical the issue is. If we want to create a design for this steering system, we have to know the action offorce very well. An experimental laboratory establishment for measuring and optimizing the steering system of vehicles was developed in our centre. The testing equipment is made of aluminium sections enabling the equipment to be quickly adapted to various vehicles ' axles and tyres. An exchangeable mat located under a tyre enables the system to create behaviour simulation for various surfaces with a different coefficient of adhesion. A sliding way assisted by a hydraulic jack under a tyre allows a change in axle load for example in accordance with the vehicle 's occupancy. A force sensor will be positioned between the jack and the mat to monitor the load adjustment. The testing stand design enables us to determine responses and behaviour of the system including tyres.
    Źródło:
    Journal of KONES; 2009, 16, 3; 55-62
    1231-4005
    2354-0133
    Pojawia się w:
    Journal of KONES
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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