The design of low cost valve-and-pump compounded pressure control system for the hydro viscous clutch
Hydro viscous clutch (HVC) is a power transmission unit which relies on shear stress of fluid to transmit driving torque. The conventional pressure control system suffers from high minimum operating pressure problem. This makes the HVC has a large drag torque and greatly limits the usage flexibility...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Gong, Guofang [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2020transfer abstract |
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| Übergeordnetes Werk: |
Enthalten in: Potential use of dietary fibre from Hibiscus sabdariffa and Agave tequilana in obesity management - Moyano, Gabriel ELSEVIER, 2016, the science of intelligent machines : an international journal, Amsterdam [u.a.] |
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| Übergeordnetes Werk: |
volume:65 ; year:2020 ; pages:0 |
| Links: |
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| DOI / URN: |
10.1016/j.mechatronics.2019.102310 |
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| Katalog-ID: |
ELV049118471 |
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| 245 | 1 | 4 | |a The design of low cost valve-and-pump compounded pressure control system for the hydro viscous clutch |
| 264 | 1 | |c 2020transfer abstract | |
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| 520 | |a Hydro viscous clutch (HVC) is a power transmission unit which relies on shear stress of fluid to transmit driving torque. The conventional pressure control system suffers from high minimum operating pressure problem. This makes the HVC has a large drag torque and greatly limits the usage flexibility. In this article, a valve-and-pump compounded pressure control (VCPC) system is proposed for the hydro viscous clutch (HVC) to enlarge the working pressure range in the low pressure direction. The pressure of the control cylinder is adjusted by the rotary speed of pump or the electro-proportional relief valve (ERV) when the VCPC system works on different pressure stage. The adaptive robust control (ARC) algorithm and the feedforward PID algorithm are introduced into the VCPC system for the purpose of obtaining better pressure tracking performance. The effectiveness of the proposed VCPC system is validated through the compared experiments. Electromagnetic interference is considered and experiment results are carefully analyzed. It can be concluded that the pressure control range is increased by 38% with the proposed VCPC system. And compared with conventional control algorithms, the ARC algorithm has a better pressure tracking performance and relatively smooth input signal on low pressure stage. | ||
| 520 | |a Hydro viscous clutch (HVC) is a power transmission unit which relies on shear stress of fluid to transmit driving torque. The conventional pressure control system suffers from high minimum operating pressure problem. This makes the HVC has a large drag torque and greatly limits the usage flexibility. In this article, a valve-and-pump compounded pressure control (VCPC) system is proposed for the hydro viscous clutch (HVC) to enlarge the working pressure range in the low pressure direction. The pressure of the control cylinder is adjusted by the rotary speed of pump or the electro-proportional relief valve (ERV) when the VCPC system works on different pressure stage. The adaptive robust control (ARC) algorithm and the feedforward PID algorithm are introduced into the VCPC system for the purpose of obtaining better pressure tracking performance. The effectiveness of the proposed VCPC system is validated through the compared experiments. Electromagnetic interference is considered and experiment results are carefully analyzed. It can be concluded that the pressure control range is increased by 38% with the proposed VCPC system. And compared with conventional control algorithms, the ARC algorithm has a better pressure tracking performance and relatively smooth input signal on low pressure stage. | ||
| 700 | 1 | |a Wang, Fei |4 oth | |
| 700 | 1 | |a Qin, Yongfeng |4 oth | |
| 700 | 1 | |a Zhang, Yakun |4 oth | |
| 700 | 1 | |a Sun, Chenchen |4 oth | |
| 700 | 1 | |a Yang, Huayong |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier Science |a Moyano, Gabriel ELSEVIER |t Potential use of dietary fibre from Hibiscus sabdariffa and Agave tequilana in obesity management |d 2016 |d the science of intelligent machines : an international journal |g Amsterdam [u.a.] |w (DE-627)ELV024383309 |
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10.1016/j.mechatronics.2019.102310 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000882.pica (DE-627)ELV049118471 (ELSEVIER)S0957-4158(19)30142-4 DE-627 ger DE-627 rakwb eng 630 VZ 640 VZ 610 VZ 610 VZ 44.96 bkl Gong, Guofang verfasserin aut The design of low cost valve-and-pump compounded pressure control system for the hydro viscous clutch 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Hydro viscous clutch (HVC) is a power transmission unit which relies on shear stress of fluid to transmit driving torque. The conventional pressure control system suffers from high minimum operating pressure problem. This makes the HVC has a large drag torque and greatly limits the usage flexibility. In this article, a valve-and-pump compounded pressure control (VCPC) system is proposed for the hydro viscous clutch (HVC) to enlarge the working pressure range in the low pressure direction. The pressure of the control cylinder is adjusted by the rotary speed of pump or the electro-proportional relief valve (ERV) when the VCPC system works on different pressure stage. The adaptive robust control (ARC) algorithm and the feedforward PID algorithm are introduced into the VCPC system for the purpose of obtaining better pressure tracking performance. The effectiveness of the proposed VCPC system is validated through the compared experiments. Electromagnetic interference is considered and experiment results are carefully analyzed. It can be concluded that the pressure control range is increased by 38% with the proposed VCPC system. And compared with conventional control algorithms, the ARC algorithm has a better pressure tracking performance and relatively smooth input signal on low pressure stage. Hydro viscous clutch (HVC) is a power transmission unit which relies on shear stress of fluid to transmit driving torque. The conventional pressure control system suffers from high minimum operating pressure problem. This makes the HVC has a large drag torque and greatly limits the usage flexibility. In this article, a valve-and-pump compounded pressure control (VCPC) system is proposed for the hydro viscous clutch (HVC) to enlarge the working pressure range in the low pressure direction. The pressure of the control cylinder is adjusted by the rotary speed of pump or the electro-proportional relief valve (ERV) when the VCPC system works on different pressure stage. The adaptive robust control (ARC) algorithm and the feedforward PID algorithm are introduced into the VCPC system for the purpose of obtaining better pressure tracking performance. The effectiveness of the proposed VCPC system is validated through the compared experiments. Electromagnetic interference is considered and experiment results are carefully analyzed. It can be concluded that the pressure control range is increased by 38% with the proposed VCPC system. And compared with conventional control algorithms, the ARC algorithm has a better pressure tracking performance and relatively smooth input signal on low pressure stage. Wang, Fei oth Qin, Yongfeng oth Zhang, Yakun oth Sun, Chenchen oth Yang, Huayong oth Enthalten in Elsevier Science Moyano, Gabriel ELSEVIER Potential use of dietary fibre from Hibiscus sabdariffa and Agave tequilana in obesity management 2016 the science of intelligent machines : an international journal Amsterdam [u.a.] (DE-627)ELV024383309 volume:65 year:2020 pages:0 https://doi.org/10.1016/j.mechatronics.2019.102310 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_11 GBV_ILN_22 GBV_ILN_24 GBV_ILN_40 GBV_ILN_50 GBV_ILN_72 GBV_ILN_120 GBV_ILN_130 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2007 44.96 Zahnmedizin VZ AR 65 2020 0 |
| spelling |
10.1016/j.mechatronics.2019.102310 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000882.pica (DE-627)ELV049118471 (ELSEVIER)S0957-4158(19)30142-4 DE-627 ger DE-627 rakwb eng 630 VZ 640 VZ 610 VZ 610 VZ 44.96 bkl Gong, Guofang verfasserin aut The design of low cost valve-and-pump compounded pressure control system for the hydro viscous clutch 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Hydro viscous clutch (HVC) is a power transmission unit which relies on shear stress of fluid to transmit driving torque. The conventional pressure control system suffers from high minimum operating pressure problem. This makes the HVC has a large drag torque and greatly limits the usage flexibility. In this article, a valve-and-pump compounded pressure control (VCPC) system is proposed for the hydro viscous clutch (HVC) to enlarge the working pressure range in the low pressure direction. The pressure of the control cylinder is adjusted by the rotary speed of pump or the electro-proportional relief valve (ERV) when the VCPC system works on different pressure stage. The adaptive robust control (ARC) algorithm and the feedforward PID algorithm are introduced into the VCPC system for the purpose of obtaining better pressure tracking performance. The effectiveness of the proposed VCPC system is validated through the compared experiments. Electromagnetic interference is considered and experiment results are carefully analyzed. It can be concluded that the pressure control range is increased by 38% with the proposed VCPC system. And compared with conventional control algorithms, the ARC algorithm has a better pressure tracking performance and relatively smooth input signal on low pressure stage. Hydro viscous clutch (HVC) is a power transmission unit which relies on shear stress of fluid to transmit driving torque. The conventional pressure control system suffers from high minimum operating pressure problem. This makes the HVC has a large drag torque and greatly limits the usage flexibility. In this article, a valve-and-pump compounded pressure control (VCPC) system is proposed for the hydro viscous clutch (HVC) to enlarge the working pressure range in the low pressure direction. The pressure of the control cylinder is adjusted by the rotary speed of pump or the electro-proportional relief valve (ERV) when the VCPC system works on different pressure stage. The adaptive robust control (ARC) algorithm and the feedforward PID algorithm are introduced into the VCPC system for the purpose of obtaining better pressure tracking performance. The effectiveness of the proposed VCPC system is validated through the compared experiments. Electromagnetic interference is considered and experiment results are carefully analyzed. It can be concluded that the pressure control range is increased by 38% with the proposed VCPC system. And compared with conventional control algorithms, the ARC algorithm has a better pressure tracking performance and relatively smooth input signal on low pressure stage. Wang, Fei oth Qin, Yongfeng oth Zhang, Yakun oth Sun, Chenchen oth Yang, Huayong oth Enthalten in Elsevier Science Moyano, Gabriel ELSEVIER Potential use of dietary fibre from Hibiscus sabdariffa and Agave tequilana in obesity management 2016 the science of intelligent machines : an international journal Amsterdam [u.a.] (DE-627)ELV024383309 volume:65 year:2020 pages:0 https://doi.org/10.1016/j.mechatronics.2019.102310 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_11 GBV_ILN_22 GBV_ILN_24 GBV_ILN_40 GBV_ILN_50 GBV_ILN_72 GBV_ILN_120 GBV_ILN_130 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2007 44.96 Zahnmedizin VZ AR 65 2020 0 |
| allfields_unstemmed |
10.1016/j.mechatronics.2019.102310 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000882.pica (DE-627)ELV049118471 (ELSEVIER)S0957-4158(19)30142-4 DE-627 ger DE-627 rakwb eng 630 VZ 640 VZ 610 VZ 610 VZ 44.96 bkl Gong, Guofang verfasserin aut The design of low cost valve-and-pump compounded pressure control system for the hydro viscous clutch 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Hydro viscous clutch (HVC) is a power transmission unit which relies on shear stress of fluid to transmit driving torque. The conventional pressure control system suffers from high minimum operating pressure problem. This makes the HVC has a large drag torque and greatly limits the usage flexibility. In this article, a valve-and-pump compounded pressure control (VCPC) system is proposed for the hydro viscous clutch (HVC) to enlarge the working pressure range in the low pressure direction. The pressure of the control cylinder is adjusted by the rotary speed of pump or the electro-proportional relief valve (ERV) when the VCPC system works on different pressure stage. The adaptive robust control (ARC) algorithm and the feedforward PID algorithm are introduced into the VCPC system for the purpose of obtaining better pressure tracking performance. The effectiveness of the proposed VCPC system is validated through the compared experiments. Electromagnetic interference is considered and experiment results are carefully analyzed. It can be concluded that the pressure control range is increased by 38% with the proposed VCPC system. And compared with conventional control algorithms, the ARC algorithm has a better pressure tracking performance and relatively smooth input signal on low pressure stage. Hydro viscous clutch (HVC) is a power transmission unit which relies on shear stress of fluid to transmit driving torque. The conventional pressure control system suffers from high minimum operating pressure problem. This makes the HVC has a large drag torque and greatly limits the usage flexibility. In this article, a valve-and-pump compounded pressure control (VCPC) system is proposed for the hydro viscous clutch (HVC) to enlarge the working pressure range in the low pressure direction. The pressure of the control cylinder is adjusted by the rotary speed of pump or the electro-proportional relief valve (ERV) when the VCPC system works on different pressure stage. The adaptive robust control (ARC) algorithm and the feedforward PID algorithm are introduced into the VCPC system for the purpose of obtaining better pressure tracking performance. The effectiveness of the proposed VCPC system is validated through the compared experiments. Electromagnetic interference is considered and experiment results are carefully analyzed. It can be concluded that the pressure control range is increased by 38% with the proposed VCPC system. And compared with conventional control algorithms, the ARC algorithm has a better pressure tracking performance and relatively smooth input signal on low pressure stage. Wang, Fei oth Qin, Yongfeng oth Zhang, Yakun oth Sun, Chenchen oth Yang, Huayong oth Enthalten in Elsevier Science Moyano, Gabriel ELSEVIER Potential use of dietary fibre from Hibiscus sabdariffa and Agave tequilana in obesity management 2016 the science of intelligent machines : an international journal Amsterdam [u.a.] (DE-627)ELV024383309 volume:65 year:2020 pages:0 https://doi.org/10.1016/j.mechatronics.2019.102310 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_11 GBV_ILN_22 GBV_ILN_24 GBV_ILN_40 GBV_ILN_50 GBV_ILN_72 GBV_ILN_120 GBV_ILN_130 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2007 44.96 Zahnmedizin VZ AR 65 2020 0 |
| allfieldsGer |
10.1016/j.mechatronics.2019.102310 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000882.pica (DE-627)ELV049118471 (ELSEVIER)S0957-4158(19)30142-4 DE-627 ger DE-627 rakwb eng 630 VZ 640 VZ 610 VZ 610 VZ 44.96 bkl Gong, Guofang verfasserin aut The design of low cost valve-and-pump compounded pressure control system for the hydro viscous clutch 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Hydro viscous clutch (HVC) is a power transmission unit which relies on shear stress of fluid to transmit driving torque. The conventional pressure control system suffers from high minimum operating pressure problem. This makes the HVC has a large drag torque and greatly limits the usage flexibility. In this article, a valve-and-pump compounded pressure control (VCPC) system is proposed for the hydro viscous clutch (HVC) to enlarge the working pressure range in the low pressure direction. The pressure of the control cylinder is adjusted by the rotary speed of pump or the electro-proportional relief valve (ERV) when the VCPC system works on different pressure stage. The adaptive robust control (ARC) algorithm and the feedforward PID algorithm are introduced into the VCPC system for the purpose of obtaining better pressure tracking performance. The effectiveness of the proposed VCPC system is validated through the compared experiments. Electromagnetic interference is considered and experiment results are carefully analyzed. It can be concluded that the pressure control range is increased by 38% with the proposed VCPC system. And compared with conventional control algorithms, the ARC algorithm has a better pressure tracking performance and relatively smooth input signal on low pressure stage. Hydro viscous clutch (HVC) is a power transmission unit which relies on shear stress of fluid to transmit driving torque. The conventional pressure control system suffers from high minimum operating pressure problem. This makes the HVC has a large drag torque and greatly limits the usage flexibility. In this article, a valve-and-pump compounded pressure control (VCPC) system is proposed for the hydro viscous clutch (HVC) to enlarge the working pressure range in the low pressure direction. The pressure of the control cylinder is adjusted by the rotary speed of pump or the electro-proportional relief valve (ERV) when the VCPC system works on different pressure stage. The adaptive robust control (ARC) algorithm and the feedforward PID algorithm are introduced into the VCPC system for the purpose of obtaining better pressure tracking performance. The effectiveness of the proposed VCPC system is validated through the compared experiments. Electromagnetic interference is considered and experiment results are carefully analyzed. It can be concluded that the pressure control range is increased by 38% with the proposed VCPC system. And compared with conventional control algorithms, the ARC algorithm has a better pressure tracking performance and relatively smooth input signal on low pressure stage. Wang, Fei oth Qin, Yongfeng oth Zhang, Yakun oth Sun, Chenchen oth Yang, Huayong oth Enthalten in Elsevier Science Moyano, Gabriel ELSEVIER Potential use of dietary fibre from Hibiscus sabdariffa and Agave tequilana in obesity management 2016 the science of intelligent machines : an international journal Amsterdam [u.a.] (DE-627)ELV024383309 volume:65 year:2020 pages:0 https://doi.org/10.1016/j.mechatronics.2019.102310 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_11 GBV_ILN_22 GBV_ILN_24 GBV_ILN_40 GBV_ILN_50 GBV_ILN_72 GBV_ILN_120 GBV_ILN_130 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2007 44.96 Zahnmedizin VZ AR 65 2020 0 |
| allfieldsSound |
10.1016/j.mechatronics.2019.102310 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000882.pica (DE-627)ELV049118471 (ELSEVIER)S0957-4158(19)30142-4 DE-627 ger DE-627 rakwb eng 630 VZ 640 VZ 610 VZ 610 VZ 44.96 bkl Gong, Guofang verfasserin aut The design of low cost valve-and-pump compounded pressure control system for the hydro viscous clutch 2020transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Hydro viscous clutch (HVC) is a power transmission unit which relies on shear stress of fluid to transmit driving torque. The conventional pressure control system suffers from high minimum operating pressure problem. This makes the HVC has a large drag torque and greatly limits the usage flexibility. In this article, a valve-and-pump compounded pressure control (VCPC) system is proposed for the hydro viscous clutch (HVC) to enlarge the working pressure range in the low pressure direction. The pressure of the control cylinder is adjusted by the rotary speed of pump or the electro-proportional relief valve (ERV) when the VCPC system works on different pressure stage. The adaptive robust control (ARC) algorithm and the feedforward PID algorithm are introduced into the VCPC system for the purpose of obtaining better pressure tracking performance. The effectiveness of the proposed VCPC system is validated through the compared experiments. Electromagnetic interference is considered and experiment results are carefully analyzed. It can be concluded that the pressure control range is increased by 38% with the proposed VCPC system. And compared with conventional control algorithms, the ARC algorithm has a better pressure tracking performance and relatively smooth input signal on low pressure stage. Hydro viscous clutch (HVC) is a power transmission unit which relies on shear stress of fluid to transmit driving torque. The conventional pressure control system suffers from high minimum operating pressure problem. This makes the HVC has a large drag torque and greatly limits the usage flexibility. In this article, a valve-and-pump compounded pressure control (VCPC) system is proposed for the hydro viscous clutch (HVC) to enlarge the working pressure range in the low pressure direction. The pressure of the control cylinder is adjusted by the rotary speed of pump or the electro-proportional relief valve (ERV) when the VCPC system works on different pressure stage. The adaptive robust control (ARC) algorithm and the feedforward PID algorithm are introduced into the VCPC system for the purpose of obtaining better pressure tracking performance. The effectiveness of the proposed VCPC system is validated through the compared experiments. Electromagnetic interference is considered and experiment results are carefully analyzed. It can be concluded that the pressure control range is increased by 38% with the proposed VCPC system. And compared with conventional control algorithms, the ARC algorithm has a better pressure tracking performance and relatively smooth input signal on low pressure stage. Wang, Fei oth Qin, Yongfeng oth Zhang, Yakun oth Sun, Chenchen oth Yang, Huayong oth Enthalten in Elsevier Science Moyano, Gabriel ELSEVIER Potential use of dietary fibre from Hibiscus sabdariffa and Agave tequilana in obesity management 2016 the science of intelligent machines : an international journal Amsterdam [u.a.] (DE-627)ELV024383309 volume:65 year:2020 pages:0 https://doi.org/10.1016/j.mechatronics.2019.102310 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_11 GBV_ILN_22 GBV_ILN_24 GBV_ILN_40 GBV_ILN_50 GBV_ILN_72 GBV_ILN_120 GBV_ILN_130 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2007 44.96 Zahnmedizin VZ AR 65 2020 0 |
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The conventional pressure control system suffers from high minimum operating pressure problem. This makes the HVC has a large drag torque and greatly limits the usage flexibility. In this article, a valve-and-pump compounded pressure control (VCPC) system is proposed for the hydro viscous clutch (HVC) to enlarge the working pressure range in the low pressure direction. The pressure of the control cylinder is adjusted by the rotary speed of pump or the electro-proportional relief valve (ERV) when the VCPC system works on different pressure stage. The adaptive robust control (ARC) algorithm and the feedforward PID algorithm are introduced into the VCPC system for the purpose of obtaining better pressure tracking performance. The effectiveness of the proposed VCPC system is validated through the compared experiments. Electromagnetic interference is considered and experiment results are carefully analyzed. 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design of low cost valve-and-pump compounded pressure control system for the hydro viscous clutch |
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The design of low cost valve-and-pump compounded pressure control system for the hydro viscous clutch |
| abstract |
Hydro viscous clutch (HVC) is a power transmission unit which relies on shear stress of fluid to transmit driving torque. The conventional pressure control system suffers from high minimum operating pressure problem. This makes the HVC has a large drag torque and greatly limits the usage flexibility. In this article, a valve-and-pump compounded pressure control (VCPC) system is proposed for the hydro viscous clutch (HVC) to enlarge the working pressure range in the low pressure direction. The pressure of the control cylinder is adjusted by the rotary speed of pump or the electro-proportional relief valve (ERV) when the VCPC system works on different pressure stage. The adaptive robust control (ARC) algorithm and the feedforward PID algorithm are introduced into the VCPC system for the purpose of obtaining better pressure tracking performance. The effectiveness of the proposed VCPC system is validated through the compared experiments. Electromagnetic interference is considered and experiment results are carefully analyzed. It can be concluded that the pressure control range is increased by 38% with the proposed VCPC system. And compared with conventional control algorithms, the ARC algorithm has a better pressure tracking performance and relatively smooth input signal on low pressure stage. |
| abstractGer |
Hydro viscous clutch (HVC) is a power transmission unit which relies on shear stress of fluid to transmit driving torque. The conventional pressure control system suffers from high minimum operating pressure problem. This makes the HVC has a large drag torque and greatly limits the usage flexibility. In this article, a valve-and-pump compounded pressure control (VCPC) system is proposed for the hydro viscous clutch (HVC) to enlarge the working pressure range in the low pressure direction. The pressure of the control cylinder is adjusted by the rotary speed of pump or the electro-proportional relief valve (ERV) when the VCPC system works on different pressure stage. The adaptive robust control (ARC) algorithm and the feedforward PID algorithm are introduced into the VCPC system for the purpose of obtaining better pressure tracking performance. The effectiveness of the proposed VCPC system is validated through the compared experiments. Electromagnetic interference is considered and experiment results are carefully analyzed. It can be concluded that the pressure control range is increased by 38% with the proposed VCPC system. And compared with conventional control algorithms, the ARC algorithm has a better pressure tracking performance and relatively smooth input signal on low pressure stage. |
| abstract_unstemmed |
Hydro viscous clutch (HVC) is a power transmission unit which relies on shear stress of fluid to transmit driving torque. The conventional pressure control system suffers from high minimum operating pressure problem. This makes the HVC has a large drag torque and greatly limits the usage flexibility. In this article, a valve-and-pump compounded pressure control (VCPC) system is proposed for the hydro viscous clutch (HVC) to enlarge the working pressure range in the low pressure direction. The pressure of the control cylinder is adjusted by the rotary speed of pump or the electro-proportional relief valve (ERV) when the VCPC system works on different pressure stage. The adaptive robust control (ARC) algorithm and the feedforward PID algorithm are introduced into the VCPC system for the purpose of obtaining better pressure tracking performance. The effectiveness of the proposed VCPC system is validated through the compared experiments. Electromagnetic interference is considered and experiment results are carefully analyzed. It can be concluded that the pressure control range is increased by 38% with the proposed VCPC system. And compared with conventional control algorithms, the ARC algorithm has a better pressure tracking performance and relatively smooth input signal on low pressure stage. |
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The design of low cost valve-and-pump compounded pressure control system for the hydro viscous clutch |
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