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    Wyświetlanie 1-3 z 3
    Tytuł:
    Multi-mode switching control of hybrid electromagnetic suspension based on road conditions adaptation
    Autorzy:
    Meng, Xiangpeng
    Ding, Renkai
    Sun, Zeyu
    Wang, Ruochen
    Chen, Long
    Powiązania:
    https://bibliotekanauki.pl/articles/2055038.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
    Tematy:
    hybrid electromagnetic suspension
    multi-mode switching control
    road conditions
    adaptation
    dynamic performance
    energy regeneration
    Opis:
    In this research, a hybrid electromagnetic actuator is proposed to coordinate the contradictions between dynamic performance and energy consumption of an electromagnetic suspension. The hybrid electromagnetic suspension (HEMS) is configured to operate in the passive energy regeneration mode, active control ride comfort mode or active control driving safety mode depending on the road excitation frequency. Then, the HEMS system is modeled. The simulation results show that the HEMS can automatically switch between different modes, and realize an effective coordination between dynamic performance and energy saving. Finally, a quarter car test is conducted, which verifies the effectiveness of the multi-mode switching control.
    Źródło:
    Journal of Theoretical and Applied Mechanics; 2020, 58, 3; 697--710
    1429-2955
    Pojawia się w:
    Journal of Theoretical and Applied Mechanics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    NFTSM control of direct yaw moment for autonomous electric vehicles with consideration of tire nonlinear mechanical properties
    Autorzy:
    Sun, Xiaoqiang
    Wang, Yujun
    Cai, Yingfeng
    Wong, Pak Kin
    Chen, Long
    Powiązania:
    https://bibliotekanauki.pl/articles/2173619.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    autonomous electric vehicles
    direct yaw moment control
    DYC
    tire nonlinear mechanical properties
    nonsingular fast terminal sliding mode
    NFTSM
    trust-region interior-point method
    pojazd elektryczny autonomiczny
    kontrola momentu odchylenia bezpośrednia
    właściwości mechaniczne opon nieliniowe
    niesingularny tryb szybkiego przesuwania terminala
    metoda punktu wewnętrznego regionu zaufania
    Opis:
    To improve the curve driving stability and safety under critical maneuvers for four-wheel-independent drive autonomous electric vehicles, a three-stage direct yaw moment control (DYC) strategy design procedure is proposed in this work. The first stage conducts the modeling of the tire nonlinear mechanical properties, i.e. the coupling relationship between the tire longitudinal force and the tire lateral force, which is crucial for the DYC strategy design, in the STI (Systems Technologies Inc.) form based on experimental data. On this basis, a 7-DOF vehicle dynamics model is established and the direct yaw moment calculation problem of the four-wheel-independent drive autonomous electric vehicle is solved through the nonsingular fast terminal sliding mode (NFTSM) control method, thus the optimal direct yaw moment can be obtained. To achieve this direct yaw moment, an optimal allocation problem of the tire forces is further solved by using the trust-region interior-point method, which can effectively guarantee the solving efficiency of complex optimization problem like the tire driving and braking forces allocation of four wheels in this work. Finally, the effectiveness of the DYC strategy proposed for the autonomous electric vehicles is verified through the CarSim-Simulink co-simulation results.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2021, 69, 3; art. no. e137065
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    NFTSM control of direct yaw moment for autonomous electric vehicles with consideration of tire nonlinear mechanical properties
    Autorzy:
    Sun, Xiaoqiang
    Wang, Yujun
    Cai, Yingfeng
    Wong, Pak Kin
    Chen, Long
    Powiązania:
    https://bibliotekanauki.pl/articles/2128162.pdf
    Data publikacji:
    2021
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    autonomous electric vehicles
    direct yaw moment control
    DYC
    tire nonlinear mechanical properties
    nonsingular fast terminal sliding mode
    NFTSM
    trust-region interior-point method
    pojazd elektryczny autonomiczny
    kontrola momentu odchylenia bezpośrednia
    właściwości mechaniczne opon nieliniowe
    niesingularny tryb szybkiego przesuwania terminala
    metoda punktu wewnętrznego regionu zaufania
    Opis:
    To improve the curve driving stability and safety under critical maneuvers for four-wheel-independent drive autonomous electric vehicles, a three-stage direct yaw moment control (DYC) strategy design procedure is proposed in this work. The first stage conducts the modeling of the tire nonlinear mechanical properties, i.e. the coupling relationship between the tire longitudinal force and the tire lateral force, which is crucial for the DYC strategy design, in the STI (Systems Technologies Inc.) form based on experimental data. On this basis, a 7-DOF vehicle dynamics model is established and the direct yaw moment calculation problem of the four-wheel-independent drive autonomous electric vehicle is solved through the nonsingular fast terminal sliding mode (NFTSM) control method, thus the optimal direct yaw moment can be obtained. To achieve this direct yaw moment, an optimal allocation problem of the tire forces is further solved by using the trust-region interior-point method, which can effectively guarantee the solving efficiency of complex optimization problem like the tire driving and braking forces allocation of four wheels in this work. Finally, the effectiveness of the DYC strategy proposed for the autonomous electric vehicles is verified through the CarSim-Simulink co-simulation results.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2021, 69, 3; e137065, 1--13
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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