Electric vehicle driving control mode management and control method

Abstract

The invention discloses an electric vehicle driving control mode management and control method, and the main design concept of the method is as follows: monitoring an active request of a user or a current road environment, determining a corresponding driving mode or road mode according to an active request instruction or a road state, and then responding to the determined current mode. At least one of the rigidity of the air spring, the efficiency of backward rotation adjustment and the feedback strength of the treading feeling of the pedal is adjusted. By switching different personalized driving modes or performing different settings according to road conditions, execution objects such as a chassis and a pedal which are not concerned in the prior art are regulated and controlled, so that more comprehensive, safer and more stable driving experience is obtained.

Description

Technical Field

[0001] The present invention relates to the field of new energy vehicle control technology, and in particular to a method for controlling a driving control mode of an electric vehicle. Background Art

[0002] The traditional car driving mode mainly affects the dynamic response characteristics, but in the actual usage scenario, the vehicle's driving mode not only includes dynamic driving requirements. With the increasing requirements for vehicle intelligence and the continuous development of functions such as wire-controlled chassis, different driving requirements will also be generated based on the chassis electronic control mode, such as steering, shock absorption, air spring stiffness, TCS, VDC, brake pedal feel, body height, etc., and therefore further improvements are needed to meet the needs. Summary of the invention

[0003] In view of the above, the present invention aims to provide a method for controlling a driving control mode of an electric vehicle to solve the above-mentioned technical problems.

[0004] The technical solution adopted by the present invention is as follows:

[0005] The present invention provides a method for controlling driving modes of an electric vehicle, which includes:

[0006] Monitor the user's active request or current road environment;

[0007] Determine the corresponding driving mode or road mode according to the active request instruction or road status;

[0008] In response to the determined current mode, at least one of the following is adjusted: the stiffness of the air spring, the efficiency of the rearward rotation adjustment, and the feedback strength of the pedal stepping feeling.

[0009] In at least one possible implementation, the active request is based on at least one of the following personalized needs of the user: vehicle acceleration and deceleration, energy recovery intensity, steering, vehicle height, and suspension comfort.

[0010] In at least one possible implementation manner, the road environment includes at least any one of the following: a snowy road surface, a slippery road surface, and a gravel road surface.

[0011] In at least one possible implementation, monitoring the current road environment includes: a perception system of the vehicle collects road condition characteristics in real time and automatically identifies them through a computer algorithm.

[0012] In at least one possible implementation manner, the feedback intensity of the pedal stepping feeling corresponds to at least two preset levels: a comfort level and a sports level.

[0013] In at least one possible implementation manner, the air spring is a double-chamber air spring.

[0014] Compared with the prior art, the main design concept of the present invention is to monitor the user's active request or the current road environment, determine the corresponding driving mode or road mode according to the active request instruction or road state, and then adjust at least one of the following in response to the determined current mode: the stiffness of the air spring, the efficiency of the rear turn adjustment, and the feedback strength of the pedal stepping feeling. The present invention controls the execution objects such as the chassis and pedals that are not paid attention to in the prior art by switching different personalized driving modes or different settings based on road conditions, thereby obtaining a more comprehensive, safe and stable driving experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be further described below with reference to the accompanying drawings, in which:

[0016] Figure 1 A schematic flow chart of a method for controlling an electric vehicle driving control mode according to an embodiment of the present invention. DETAILED DESCRIPTION

[0017] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be interpreted as limiting the present invention.

[0018] The present invention proposes an embodiment of a method for controlling a driving control mode of an electric vehicle. Specifically, Figure 1 shown, including:

[0019] Step S1, monitoring the user's active request (for example, when the user has personalized requirements for different acceleration and deceleration, energy recovery intensity, steering, vehicle height, suspension, etc.) or the current road environment (such as snowy road surface, slippery road surface, gravel road surface, etc.);

[0020] Step S2, determining a corresponding driving mode or road mode according to an active request instruction or a road condition;

[0021] Different driving modes or road modes can correspond to different preset power and chassis states to meet different personalized needs and road conditions. It can be added here that the aforementioned monitoring of the current road environment can be monitored in real time by the vehicle's perception system and identified and decided by mature intelligent driving algorithms, but it does not rule out the possibility that humans actively generate personalized driving needs based on the current road conditions and issue request instructions.

[0022] Continuing from the above, step S3, in response to the determined current mode, at least one of the following is adjusted: the stiffness of the air spring, the efficiency of the rearward rotation adjustment, and the feedback strength of the pedal stepping feeling.

[0023] That is, the vehicle's driving mode and road mode both support changing the stiffness of the air spring, or changing the speed of the rear-turn adjustment, or the pedal comfort to match different current modes, thereby improving the comfort, stability, and handling of the entire vehicle.

[0024] For example, the feedback intensity of the pedal stepping feeling mentioned here corresponds to at least the following two levels: comfort level and sport level, thereby corresponding to at least the comfort mode and sport mode in the driving control mode.

[0025] Of course, in order to realize the aforementioned adjustment, the hardware configuration of the chassis may be further supplemented by: with respect to the adjustment of the stiffness of the air spring, preferably, a double-chamber air spring may be used.

[0026] In summary, the main design concept of the present invention is to monitor the user's active request or the current road environment, determine the corresponding driving mode or road mode according to the active request instruction or road state, and then adjust at least one of the following in response to the determined current mode: the stiffness of the air spring, the efficiency of the rear turn adjustment, and the feedback strength of the pedal stepping feeling. The present invention switches different personalized driving modes or makes different settings according to road conditions to regulate the execution objects such as chassis and pedals that are not paid attention to in the prior art, thereby obtaining a more comprehensive, safe and stable driving experience.

[0027] If the expressions expressing orientation are mentioned in the embodiments of the present invention, they are relative concepts based on the embodiments. In addition, "at least one" means one or more, and "plurality" means two or more. "And / or" describes the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B can represent the existence of A alone, the existence of A and B at the same time, and the existence of B alone. Among them, A and B can be singular or plural. The character " / " generally indicates that the previous and next associated objects are in an "or" relationship. "At least one of the following" and similar expressions refer to any combination of these items, including any combination of single or plural items. For example, at least one of a, b and c can be represented by: a, b, c, a and b, a and c, b and c, or a and b and c, wherein a, b, c can be single or multiple.

[0028] The above describes in detail the structure, features and effects of the present invention based on the embodiments shown in the drawings, but the above is only a preferred embodiment of the present invention. It should be noted that the technical features involved in the above embodiments and their preferred methods can be reasonably combined and matched into a variety of equivalent schemes by those skilled in the art without departing from or changing the design ideas and technical effects of the present invention; therefore, the present invention is not limited to the scope of implementation shown in the drawings, and all changes made in accordance with the concept of the present invention, or modifications to equivalent embodiments with equivalent changes, which still do not exceed the spirit covered by the specification and drawings, should be within the protection scope of the present invention.

Claims

1. A method for controlling driving modes of electric vehicles, characterized in that: include: Monitor the user's active request or current road environment; Determine the corresponding driving mode or road mode according to the active request instruction or road status; In response to the determined current mode, at least one of the following is adjusted: the stiffness of the air spring, the efficiency of the rearward rotation adjustment, and the feedback strength of the pedal stepping feeling.

2. The electric vehicle driving control mode control method according to claim 1, characterized in that: The active request is based on at least one of the following personalized needs of the user: vehicle acceleration and deceleration, energy recovery intensity, steering, vehicle height, and suspension comfort.

3. The electric vehicle driving control mode control method according to claim 1, characterized in that: The road environment includes at least any one of the following: a snowy road surface, a slippery road surface, and a gravel road surface.

4. The electric vehicle driving control mode control method according to claim 1, characterized in that: Monitoring the current road environment includes: the vehicle's perception system collects road condition characteristics in real time and automatically identifies them through computer algorithms.

5. The electric vehicle driving control mode control method according to claim 1, characterized in that: The feedback intensity of the pedal stepping feeling corresponds to at least two preset levels: a comfort level and a sports level.

6. The electric vehicle driving control mode control method according to any one of claims 1 to 6, characterized in that: The air spring is a double-chamber air spring.

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