Gear determination method, system and vehicle
A method and technology for determining gears, applied in vehicle components, hybrid vehicles, road vehicle drive control systems, etc., can solve problems such as vehicle accidents, hazards, unreasonable gears, etc. reasonable effect
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Embodiment 1
[0027] figure 1 It is a flow chart of an embodiment of a gear determination method, which is mainly used to determine which gear the vehicle is in, and to set different shift strategies according to different states of the vehicle and the shifter. The specific method is as follows. The gear determination method includes:
[0028] S101. Obtain the actual vehicle state of the actual vehicle, and determine that the actual vehicle state is the first fixed state or the first changing state, and obtain the corresponding actual vehicle state when the actual vehicle state is in the first changing state status changes.
[0029] Wherein, by adopting this step, the acquisition of the actual vehicle state can be realized, and the actual vehicle state can include a low-voltage state, a charging state, a high-voltage state, and the like. Correspondingly, the actual state change of the entire vehicle may be a change among the low voltage state, the charging state, and the high voltage sta...
Embodiment 2
[0041] Figure 2A On the basis of the first embodiment, it is a further specific description of the first actual shift strategy. Wherein, all the first actual shift strategies should be included in the first shift strategy set. Figure 2B , Figure 2C is in Figure 2A Further improvements made on the basis of specific, Figure 2B and Figure 2C for Figure 2A Further improvement of "determining the current gear position of the vehicle according to the vehicle speed value and the actual shifter state" in "Concretely, Figure 2B It is an improvement under the condition that "the actual shifter status is fault status", Figure 2C It is an improvement under "the actual shifter status is normal". In this embodiment, the vehicle state may include: a low voltage state, a charging state, a high voltage state, etc.; the states of each shifter may include: a fault state for identifying a faulty shifter and a state for identifying a normal shifter normal status.
[0042] Such a...
Embodiment 3
[0052] image 3 It is the way to determine the gear position when the vehicle state changes. The third embodiment is a further improvement made on the basis of the first embodiment, mainly to introduce the specific determination method of the second actual shift strategy. In this embodiment, the various state changes of the whole vehicle include: a mutual change between a low-voltage state and a high-voltage state, and a change from a non-charging state to a charging state.
[0053] Such as image 3 As shown, the second actual shift strategy can be configured as:
[0054] S301. In the case that the actual vehicle state change is a mutual change between a low pressure state and a high pressure state, set the current gear of the vehicle as a neutral gear.
[0055] S302. In the case that the actual vehicle state changes from a non-charging state to a charging state, set the current gear of the vehicle as a neutral gear, and change the current gear of the vehicle from The neut...
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