Control system and control method for automatic gear shifting of loader
A control system and automatic transmission technology, applied in earth movers/excavators, construction, etc., can solve problems that cannot guarantee power continuity when shifting gears, do not consider the traction demand of loaders, and do not consider machine efficiency Impact and other issues
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[0054] The specific embodiment of the present invention is as follows:
[0055] The control system includes:
[0056] The driver's intention recognition controller is used to detect the vehicle speed, accelerator opening, working hydraulic pump pressure and vehicle braking signal, and use fuzzy algorithm and threshold value comparison method to calculate the category of driver's intention;
[0057] The target gear calculation controller is used to detect the vehicle speed, shift and direction joystick signals, the torque converter turbine speed and receive the driver's intention signal, and combine the driver's intention category calculated by the driver's intention recognition controller, Use the optimal power shift algorithm, the optimal torque converter efficiency shift algorithm and the corresponding shift strategy to calculate the target gear;
[0058] The gear switching timing controller is used to receive the signal output by the target gear calculation controller, use...
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