Gear switching method of electronic gear shifter
An electronic shifter and gear switching technology, applied in the direction of components with teeth, belts/chains/gears, mechanical equipment, etc., can solve the problem of large size and weight, damage to the transmission structure, and can not meet the requirements of electrification and intelligence and other problems to achieve the effect of avoiding driving hazards and reducing the probability of misoperation
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[0027] Refer to the attached figure 1 And embodiment the present invention is described in detail:
[0028] This set of shifting system is mainly composed of knob-type electronic shifter, electronic shifter control module SCU, transmission DCT, and transmission control module TCU, and the signals of each system are exchanged through the CAN bus.
[0029] The meaning of each gear is as follows:
[0030] P parking gear, or parking gear; N neutral gear; R reverse gear; D forward gear or driving gear;
[0031] A gear switching method of an electronic shifter of the present invention, the steps are as follows:
[0032] S1.P shift into R / D / / N gear or N shift into R / D gear:
[0033] S11. After receiving the driver's shift request, the SCU makes a judgment. The judgment conditions at this time are:
[0034] a. Whether the vehicle speed signal meets the preset requirements, such as the vehicle speed V is less than or equal to the calibration value V 0 ;
[0035] b. Whether the br...
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