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Research on the Control Systems for Hybrid and Electric Powertrains Tsinghua Univ.Ningbo Geely Royal Engine
- Format:
- Book
- Conference/Event
- Author/Creator:
- Jing, Junchao, author.
- Conference Name:
- WCX SAE World Congress Experience (2024-04-16 : Detroit, Michigan, United States)
- Language:
- English
- Physical Description:
- 1 online resource cm
- Place of Publication:
- Warrendale, PA SAE International 2024
- Summary:
- DHT hybrid transmission assembly control system discussed in this paper includes hydraulic control, hybrid mode switching control, shift control, dual motor control, clutch and motor thermal management. The hybrid mode is divided into four modes: the EV mode, the serial mode, the parallel mode and the launch mode. Hydraulic control includes torque-pressure conversion, clutch pressure kiss point adaption, clutch oil filling time adaption. Shift control includes shift type decision, shift sequence control, shift inertia process based on motor intervention. Thermal management includes clutch flow and motor flow distribution. Motor control include the current control, mode control and boost strategy of permanent magnet synchronous motor in dual hybrid system, which has good stability and robustness. Motor mode includes initialization mode, normal mode, fault mode, active discharge mode, power off mode. The boost strategy of the hybrid system is based on boost mode management, boost target voltage determination and boost PI control. Finally, the real vehicle test is carried out to verify the effectiveness and advancement of the DHT control design
- Notes:
- Vendor supplied data
- Publisher Number:
- 2024-01-2786
- Access Restriction:
- Restricted for use by site license
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