Control method of vehicle stabilizer bar system, controller and vehicle

Abstract

The invention relates to a control method of a vehicle stabilizer bar system, a controller and a vehicle, the method comprises the steps that the working state of the stabilizer bar system is controlled according to vehicle state information, and the working state of the stabilizer bar system comprises an active stabilizer bar state and an energy feedback state. According to the control method of the vehicle stabilizer bar system, the energy consumption of the vehicle can be reduced.

Description

Technical Field

[0001] Embodiments of the present disclosure relate to the technical field of vehicles, and more particularly, to a control method, a controller and a vehicle of a vehicle stabilizer bar system. Background Art

[0002] With the popularization of transportation, vehicles have become a common means of transportation, and their energy consumption has received widespread attention. At present, vehicles are equipped with a body stabilizer bar system. When the vehicle is turning or driving on a bumpy road, the power supply device of the body stabilizer bar system can supply power to the drive motor that controls the stability of the vehicle, so that the drive motor works to ensure the stability of the vehicle. However, when the vehicle is relatively stable during the journey, the power supply device continues to drive the motor to supply power, which consumes a lot of energy. Summary of the invention

[0003] One purpose of the embodiments of the present disclosure is to provide a new technical solution for vehicle control.

[0004] According to a first aspect of the present disclosure, a control method for a vehicle stabilizer bar system is provided, the method comprising:

[0005] The working state of the stabilizer bar system is controlled according to the vehicle state information, and the working state of the stabilizer bar system includes an active stabilizer bar state and an energy feedback state.

[0006] Optionally, the vehicle status information includes steering angle, vehicle speed, wheel acceleration, roll angle and lateral acceleration.

[0007] Optionally, controlling the working state of the stabilizer bar system according to the vehicle state information includes:

[0008] When the steering angle is less than the steering angle threshold value, the vehicle speed is greater than the vehicle speed threshold value, and the wheel acceleration is less than the wheel acceleration threshold value for a continuous preset time, the stabilizer bar system is controlled to operate in an energy feedback state.

[0009] Optionally, controlling the working state of the stabilizer bar system according to the vehicle state information includes:

[0010] When the steering angle is greater than the steering angle threshold value, the roll angle is less than the roll angle threshold value, and the lateral acceleration is less than the lateral acceleration threshold value, the stabilizer bar system is controlled to operate in an active stabilizer bar state.

[0011] Optionally, controlling the working state of the stabilizer bar system according to the vehicle state information includes:

[0012] When the steering angle is greater than the steering angle threshold, the roll angle is greater than the roll angle threshold, and the lateral acceleration is greater than the lateral acceleration threshold, the stabilizer bar system is controlled to operate in a state where the torque output is maximum.

[0013] Optionally, the working state of the stabilizer bar system also includes a passive stabilizer bar state.

[0014] Optionally, controlling the working state of the stabilizer bar system according to the vehicle state information includes:

[0015] When the steering angle is less than the steering angle threshold value and the vehicle speed is greater than the vehicle speed threshold value, the stabilizer bar system is controlled to operate in a passive stabilizer bar state.

[0016] Optionally, the three-phase short circuit of the motor of the stabilizer bar system is controlled to enable the stabilizer bar system to operate in a passive stabilizer bar state.

[0017] According to a second aspect of the present disclosure, a controller is further provided, the controller comprising:

[0018] The control module is used to control the working state of the stabilizer bar system according to the vehicle state information, and the working state of the stabilizer bar system includes an active stabilizer bar state and an energy feedback state.

[0019] According to a third aspect of the present disclosure, a controller is further provided, comprising a memory and a processor, wherein the memory is used to store a computer program; and the processor is used to execute the computer program to implement the method according to the first aspect of the present disclosure.

[0020] According to a fourth aspect of the present disclosure, a computer-readable storage medium is further provided, on which a computer program is stored. When the computer program is executed by a processor, the method according to the first aspect of the present disclosure is implemented.

[0021] According to a fifth aspect of the present disclosure, a computer program product is further provided, comprising a computer program, wherein when the computer program is executed by a processor, the method according to the first aspect of the present disclosure is implemented.

[0022] According to a sixth aspect of the present disclosure, a vehicle is further provided, the vehicle comprising a controller, the controller being the controller described in the third aspect or the computer program product described in the fifth aspect.

[0023] One beneficial effect of the disclosed embodiments is that the vehicle stabilizer bar system can operate in an energy feedback state according to vehicle status information, and can also operate in an active stabilizer bar state according to vehicle status information. Under the premise that the vehicle does not need to rely on the stabilizer bar system to maintain vehicle balance, the vehicle can be operated in an energy feedback state to recover energy, thereby reducing the vehicle's electrical energy consumption and thereby increasing the vehicle's cruising range.

[0024] Other features and advantages of the embodiments of the present disclosure will become apparent from the following detailed description of exemplary embodiments of the present disclosure with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the present disclosure and, together with the description, serve to explain the principles of the embodiments of the present disclosure.

[0026] Figure 1 is a schematic diagram of the structure of a vehicle stabilizer bar system to which an embodiment of the present invention can be applied;

[0027] Figure 2 is a flow chart of a control method of a vehicle stabilizer bar system according to an embodiment;

[0028] Figure 3 is a block diagram of a controller according to one embodiment;

[0029] Figure 4 is a schematic diagram of the hardware structure of a controller according to an embodiment;

[0030] Figure 5 It is a schematic diagram of the composition structure of a vehicle according to an embodiment. DETAILED DESCRIPTION

[0031] Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangement of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention unless otherwise specifically stated.

[0032] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

[0033] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered as part of the specification.

[0034] In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not limiting. Therefore, other examples of the exemplary embodiments may have different values.

[0035] It should be noted that like reference numerals and letters refer to similar items in the following figures, and therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.

[0036] <System Embodiment>

[0037] Figure 1 FIG. 1 is a schematic diagram of the structure of a vehicle stabilizer bar system that can be applied according to an embodiment. Figure 1As shown, the vehicle stabilizer bar system may include a controller 10 , a data acquisition device 20 , a vehicle body stabilizer 30 and a power supply device 40 .

[0038] The above data acquisition device 20 may be one or more, and the data acquisition device 20 may include a vehicle speed sensor, a roll angle sensor, a lateral acceleration sensor, a wheel acceleration sensor and an angular velocity sensor. The vehicle speed sensor may acquire the vehicle's running speed, the roll angle sensor may acquire the vehicle's roll angle, the lateral acceleration sensor may acquire the vehicle's lateral acceleration, the wheel acceleration sensor may acquire the vehicle's wheel rotation acceleration, and the angular velocity sensor may acquire the steering angular velocity of the vehicle's steering wheel steering angle. The data acquisition device 20 may send the acquired vehicle status information to the controller 10.

[0039] The vehicle body stabilizer 30 may be an active stabilizer bar assembly, and the vehicle body stabilizer 30 may include a drive motor 31 and a mechanical transmission mechanism, and the power supply device 40 may discharge to the drive motor 31, so that the drive motor 31 rotates, and cooperates with the mechanical transmission mechanism to adjust the center of gravity of the vehicle. The mechanical transmission mechanism may also drive the drive motor 31 to rotate under external excitation, so that the drive motor 31 can be used as a generator and discharge to the power supply device 40. The external excitation may be, for example, an undulating road surface.

[0040] The above-mentioned power supply device 40 can be electrically connected to the vehicle body stabilizing device 30. The power supply device 40 can convert the electric energy output by the vehicle body stabilizing device 30 into electric energy that meets the needs of the power supply device 40 and store this part of the electric energy, or convert the stored electric energy into electric energy that meets the needs of the vehicle body stabilizing device 30 so that the driving motor 31 of the vehicle body stabilizing device 30 rotates after being energized.

[0041] The above controller 10 may be an electronic control unit (ECU), and the controller 10 may be electrically connected to the data acquisition device 20 to obtain the vehicle status information sent by the data acquisition device 20. The controller 10 may be electrically connected to the power supply device 40 to control the power supply device 40 to discharge to the vehicle body stabilization device 30, and control the vehicle body stabilization device 30 to discharge to the power supply device 40. The controller 10 may be used to obtain the vehicle status information of the vehicle through the data acquisition device 20. The controller 10 is also used to control the stabilizer bar system to work in the energy feedback state when the steering angle is less than the steering angle threshold value, the vehicle speed is greater than the vehicle speed threshold value, and the wheel acceleration is less than the wheel acceleration threshold value for a continuous preset time, so that the vehicle body stabilization device 30 discharges to the power supply device 40.

[0042] In other words, the vehicle body stabilizer and the power supply device cooperate with each other, which can reduce the vehicle energy consumption and increase the cruising range while ensuring the stability of the vehicle body. In addition, the structure of the vehicle body stabilizer charging and discharging the power supply device is relatively simple and has a high degree of integration.

[0043] In some embodiments, Figure 1 As shown, the vehicle body stabilization device 30 includes a driving motor 31, and the power supply device 40 includes a power battery 41, a driving circuit 42 and a conversion circuit 43. The power battery 41 is used to be electrically connected to a first end of the controller 10, a first end of the driving circuit 42 is connected to a second end of the controller 10, a second end of the driving circuit 42 is connected to a first end of the conversion circuit 43, and a second end of the conversion circuit 43 is used to connect to the driving motor 31.

[0044] When the power battery 41 is charged, the vehicle operates in a power generation mode, and the electric energy output by the drive motor 31 is processed by the conversion circuit 43 and the drive circuit 42 and then output to the power battery 41. That is, the controller 10 outputs a first drive signal to the drive circuit 42, and the drive circuit 42 responds to the first drive signal and controls the conversion circuit 43 to operate at a first conversion efficiency, so that the drive motor 31 acts as a generator and discharges to the power battery 41. The conversion circuit 43 is, for example, a power conversion circuit, and the drive circuit 42 can respond to the first drive signal and control the on and off of the switch tube in the power conversion circuit to realize the conversion of the electric energy output by the drive motor 31 into electric energy that meets the requirements of the power battery 41.

[0045] When the power battery 41 is discharged, the vehicle operates in an electric mode, and the electric energy output by the power battery 41 is processed by the drive circuit 42 and the conversion circuit 43 and then output to the drive motor 31. That is, the controller 10 outputs a second drive signal to the drive circuit 42, and the drive circuit 42 responds to the second drive signal and controls the conversion circuit 43 to operate at a second conversion efficiency, so that the drive motor 31 operates after being powered. The drive circuit 42 can respond to the second drive signal and control the on and off of the switch tube in the power conversion circuit to realize the conversion of the electric energy output by the power battery 41 into electric energy that meets the working requirements of the drive motor 31.

[0046] The first conversion efficiency and the second conversion efficiency may be preset and are not limited here.

[0047] In the embodiment of the present disclosure, the memory of the controller 10 is used to store a computer program, and the computer program is used to control the processor of the controller 10 to operate according to the control method of the vehicle stabilizer bar system of any embodiment. A technician can design a computer program according to the scheme of the embodiment of the present disclosure. How the computer program controls the processor to operate is well known in the art, so it will not be described in detail here.

[0048] <Method Example>

[0049] Figure 2 FIG. 1 is a flow chart of a control method for a vehicle stabilizer bar system according to an embodiment. Figure 1 Middle controller.

[0050] like Figure 2 As shown, the control method of the vehicle stabilizer bar system of this embodiment may include the following step S200:

[0051] Step S200, controlling the working state of the stabilizer bar system according to the vehicle state information, the working state of the stabilizer bar system including the active stabilizer bar state and the energy feedback state.

[0052] In other words, the vehicle stabilizer bar system can be configured in two states: an active stabilizer bar state and an energy feedback state, so that the vehicle can operate in different states in different environments to adapt to different vehicles.

[0053] In some embodiments, the vehicle state information may include steering angle, vehicle speed, wheel acceleration, roll angle and lateral acceleration. The vehicle state information is information related to the working state control of the stabilizer bar system. In other words, through the vehicle state information, it can be more accurately determined whether the stabilizer bar system needs to work in the active stabilizer bar state or the energy feedback state, thereby improving the vehicle stability.

[0054] It is understandable that the vehicle status information of the present application may be the steering angle, vehicle speed, wheel acceleration, roll angle and lateral acceleration obtained one by one from the sensor, wherein the working state of the stabilizer bar system is controlled according to the vehicle status information, that is, the steering angle, vehicle speed, wheel acceleration, roll angle and lateral acceleration information are preliminarily processed (such as compared), and then the working state of the stabilizer bar system is controlled based on the processed result. It is also possible to directly obtain the processed result (the preliminary processing in the early stage is other third parties) to control the working state of the stabilizer bar system.

[0055] In some embodiments, step S200 may include step S210:

[0056] Step S210, when the steering angle is less than the steering angle threshold value, the vehicle speed is greater than the vehicle speed threshold value, and the wheel acceleration is less than the wheel acceleration threshold value for a continuous preset time, the stabilizer bar system is controlled to operate in an energy feedback state.

[0057] In some examples, the vehicle speed may be detected by the vehicle speed sensor, the wheel acceleration may be detected by the wheel acceleration sensor, and the steering angle may be detected by the angular velocity sensor.

[0058] In some examples, the steering angle threshold, vehicle speed threshold, preset duration and wheel acceleration threshold can be set according to factors such as the vehicle model, load, drag coefficient and volume, and are not limited here.

[0059] In some examples, the vehicle's steering angle is less than a steering angle threshold value, the vehicle speed is greater than a vehicle speed threshold value, and continues for a preset time. At this time, the vehicle is speeding in a straight line.

[0060] In some examples, the vehicle's wheel acceleration is less than a wheel acceleration threshold, and the wheels are traveling on an undulating road surface.

[0061] In other words, the vehicle as a whole and the wheel corresponding to the body stabilizer are used to determine whether the vehicle's current environment supports kinetic energy recovery, thereby effectively improving the efficiency of the vehicle's kinetic energy recovery while ensuring vehicle safety.

[0062] In some examples, when the stabilizer bar system operates in an energy feedback state, the controller may control the drive circuit, which controls the conversion circuit to operate at a first conversion efficiency, so that the drive motor acts as a generator to discharge into the power battery.

[0063] In some embodiments, step S200 may include the following step S220:

[0064] Step S220: the steering angle is greater than the steering angle threshold, the roll angle is less than the roll angle threshold, and the lateral acceleration is less than the lateral acceleration threshold, and the stabilizer bar system is controlled to operate in an active dynamic stabilizer bar state.

[0065] In some examples, the power supply device can output electric energy of different powers to the driving motor of the vehicle body stabilization device, and the driving motor rotates faster when receiving electric energy of greater power.

[0066] In some examples, when the stabilizer bar system operates in an active stabilizer bar state, the power supply device outputs electrical energy to the vehicle body stabilizer at a set power adapted to the steering angle and the tilt angle, so that the vehicle body stabilizer can output an anti-roll torque to adjust the vehicle's posture.

[0067] In some embodiments, step S200 may include the following step S230:

[0068] Step S230: the steering angle is greater than the steering angle threshold, the roll angle is greater than the roll angle threshold, and the lateral acceleration is greater than the lateral acceleration threshold, and the stabilizer bar system is controlled to operate in a state of maximum torque output.

[0069] In some examples, when the stabilizer bar system operates in a state of maximum torque output, the power supply device outputs electrical energy to the vehicle body stabilizer at a set maximum power, so that the vehicle body stabilizer outputs maximum torque to adjust the vehicle's posture.

[0070] In other words, when the vehicle turns, the controller controls the rotation speed of the drive motor based on the vehicle roll angle and lateral acceleration obtained by the data acquisition device to keep the vehicle balanced.

[0071] In some embodiments, the working state of the stabilizer bar system also includes a passive stabilizer bar state. That is, when the stabilizer bar system of some vehicles is configured with a passive stabilizer bar state, it can avoid changing the speed of the drive motor at high speed to affect the vehicle balance and improve the safety of the vehicle. Alternatively, the driver can actively turn off the body stability mode so that the vehicle works in a passive stabilizer bar state to enhance the driver's driving experience.

[0072] In some embodiments, step S200 may include the following step S240:

[0073] Step S240: the steering angle is less than the steering angle threshold value, and the vehicle speed is greater than the vehicle speed threshold value, and the stabilizer bar system is controlled to operate in a passive stabilizer bar state.

[0074] In some examples, when the stabilizer bar system is operating in a passive stabilizer bar state, the steering angle of the steering wheel of the vehicle is less than the steering angle threshold value, and the vehicle speed is greater than the vehicle speed threshold value. In other words, when the vehicle is traveling in a straight line and at a high speed, the body stabilization system is operating in a passive stabilizer bar state, which can limit the operation of the body stabilization device, for example, the power supply device does not discharge the body stabilization device, and does not supply power to the drive motor of the body stabilization device. In other words, when the vehicle is traveling at a high speed, the body stabilization device changes the speed of the drive motor, causing the vehicle to lose balance. At this time, limiting the operation of the body stabilization device can effectively improve the safety factor of the vehicle.

[0075] In some embodiments, the method further includes the following step S250:

[0076] Step S250, controlling the three-phase short circuit of the motor of the stabilizer bar system to realize that the stabilizer bar system operates in a passive stabilizer bar state.

[0077] In some examples, short-circuiting the three phases of the motor of the stabilizer bar system can limit the operation of the vehicle body stabilizer so that the stabilizer bar system operates in a passive stabilizer bar state. The stabilizer bar system is controlled to operate in a passive stabilizer bar state in a relatively direct manner with a faster response speed, thereby reducing the occurrence of the stabilizer bar system operating when the vehicle accelerates suddenly, thereby effectively improving the safety factor of the vehicle.

[0078] <Equipment Example 1>

[0079] Figure 3 FIG. 1 is a block diagram of a controller according to an embodiment. Figure 3 As shown, the controller 300 may include a control module 310 and a receiving module 320, the receiving module 320 is used to obtain vehicle status information, and the control module 310 is used to control the working state of the stabilizer bar system according to the vehicle status information obtained by the receiving module 320, and the working state of the stabilizer bar system includes an active stabilizer bar state and an energy feedback state.

[0080] Optionally, the controller 300 also includes an energy feedback control module, which is used to control the stabilizer bar system to operate in an energy feedback state when the steering angle is less than a steering angle threshold value, the vehicle speed is greater than a vehicle speed threshold value, and the wheel acceleration is less than a wheel acceleration threshold value for a continuous preset time.

[0081] Optionally, the controller 300 also includes a main stability control module, which is used to control the stabilizer bar system to operate in an active dynamic stabilizer bar state when the steering angle is greater than a steering angle threshold value, the roll angle is less than a roll angle threshold value, and the lateral acceleration is less than a lateral acceleration threshold value.

[0082] Optionally, the controller 300 also includes a maximum torque control module, which is used to control the stabilizer bar system to operate in a state with maximum torque output when the steering angle is greater than a steering angle threshold, the roll angle is greater than a roll angle threshold, and the lateral acceleration is greater than a lateral acceleration threshold.

[0083] Optionally, the controller 300 further includes a passive stabilizer control module, which is used to control the stabilizer bar system to operate in a passive stabilizer bar state when the steering angle is less than a steering angle threshold value and the vehicle speed is greater than a vehicle speed threshold value.

[0084] The controller 300 may be Figure 1 The controller 10 in the embodiment obtains vehicle status information through the data acquisition device 20, and controls the power supply device 40 to discharge to the vehicle body stabilizing device 30 and controls the vehicle body stabilizing device 30 to discharge to the power supply device 40 according to the obtained vehicle status information, thereby realizing the control of the working state of the stabilizer bar system.

[0085] <Equipment Example 2>

[0086] Figure 4 is a schematic diagram of the hardware structure of a controller according to another embodiment.

[0087] like Figure 4As shown, the controller 400 includes a processor 410 and a memory 420, wherein the memory 420 is used to store an executable computer program, and the processor 410 is used to execute a method such as any of the above method embodiments under the control of the computer program.

[0088] The controller 400 may be Figure 1 The controller 10 in.

[0089] Each module of the above controller 300 can be implemented by the processor 410 in this embodiment executing a computer program stored in the memory 420, or can be implemented by other structures, which is not limited here.

[0090] <Equipment Example 3>

[0091] Figure 5 It is a schematic diagram of the composition structure of a vehicle according to an embodiment.

[0092] like Figure 5 As shown, the vehicle 500 includes a controller 510, which may be Figure 3 The controller 300 shown may also be Figure 4 Controller 400 is shown.

[0093] The controller 510 may also be a computer program product for implementing the control method according to the embodiment of the present disclosure. The computer program product may have any form and structural composition, which is not limited here.

[0094] In some embodiments, the vehicle 500 may include Figure 1 The vehicle stabilizer bar system shown in FIG. 5 is equivalent to the controller 510 of the vehicle 500. Figure 1 The controller 10 of the vehicle stabilizer bar system is connected to the data acquisition device 20 and the power supply device 40 of the vehicle stabilizer bar system.

[0095] The present invention may be a system, a method and / or a computer program product. The computer program product may include a computer-readable storage medium carrying computer-readable program instructions for causing a processor to implement various aspects of the present invention.

[0096] A computer-readable storage medium may be a tangible device that can hold and store instructions used by an instruction execution device. A computer-readable storage medium may be, for example, but not limited to, an electrical storage device, a magnetic storage device, an optical storage device, an electromagnetic storage device, a semiconductor storage device, or any suitable combination of the foregoing. More specific examples of computer-readable storage media (a non-exhaustive list) include: a portable computer disk, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), a static random access memory (SRAM), a portable compact disk read-only memory (CD-ROM), a digital versatile disk (DVD), a memory stick, a floppy disk, a mechanical encoding device, such as a punch card or a raised structure in a groove on which instructions are stored, and any suitable combination of the foregoing. As used herein, a computer-readable storage medium is not to be interpreted as a transient signal per se, such as a radio wave or other freely propagating electromagnetic wave, an electromagnetic wave propagating through a waveguide or other transmission medium (e.g., a light pulse through a fiber optic cable), or an electrical signal transmitted through a wire.

[0097] The computer-readable program instructions described herein can be downloaded from a computer-readable storage medium to each computing / processing device, or downloaded to an external computer or external storage device via a network, such as the Internet, a local area network, a wide area network, and / or a wireless network. The network can include copper transmission cables, optical fiber transmissions, wireless transmissions, routers, firewalls, switches, gateway computers, and / or edge servers. The network adapter card or network interface in each computing / processing device receives the computer-readable program instructions from the network and forwards the computer-readable program instructions for storage in the computer-readable storage medium in each computing / processing device.

[0098] The computer program instructions for performing the operation of the present invention may be assembly instructions, instruction set architecture (ISA) instructions, machine instructions, machine-related instructions, microcode, firmware instructions, state setting data, or source code or object code written in any combination of one or more programming languages, including object-oriented programming languages, such as Smalltalk, C++, etc., and conventional procedural programming languages, such as "C" language or similar programming languages. Computer-readable program instructions may be executed entirely on a user's computer, partially on a user's computer, as an independent software package, partially on a user's computer, partially on a remote computer, or entirely on a remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer via any type of network, including a local area network (LAN) or a wide area network (WAN), or may be connected to an external computer (e.g., using an Internet service provider to connect via the Internet). In some embodiments, an electronic circuit, such as a programmable logic circuit, a field programmable gate array (FPGA), or a programmable logic array (PLA), may be personalized by utilizing the state information of the computer-readable program instructions, and the electronic circuit may execute the computer-readable program instructions, thereby realizing various aspects of the present invention.

[0099] Various aspects of the present invention are described herein with reference to the flow charts and / or block diagrams of the methods, devices (systems) and computer program products according to embodiments of the present invention. It should be understood that each box of the flow chart and / or block diagram and the combination of each box in the flow chart and / or block diagram can be implemented by computer-readable program instructions.

[0100] These computer-readable program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, or other programmable data processing device, thereby producing a machine, so that when these instructions are executed by the processor of the computer or other programmable data processing device, a device that implements the functions / actions specified in one or more boxes in the flowchart and / or block diagram is generated. These computer-readable program instructions can also be stored in a computer-readable storage medium, and these instructions cause the computer, programmable data processing device, and / or other equipment to work in a specific manner, so that the computer-readable medium storing the instructions includes a manufactured product, which includes instructions for implementing various aspects of the functions / actions specified in one or more boxes in the flowchart and / or block diagram.

[0101] Computer-readable program instructions may also be loaded onto a computer, other programmable data processing apparatus, or other device so that a series of operating steps are performed on the computer, other programmable data processing apparatus, or other device to produce a computer-implemented process, thereby causing the instructions executed on the computer, other programmable data processing apparatus, or other device to implement the functions / actions specified in one or more boxes in the flowchart and / or block diagram.

[0102] The flow charts and block diagrams in the accompanying drawings show the possible architecture, functions and operations of the systems, methods and computer program products according to multiple embodiments of the present invention. In this regard, each box in the flow chart or block diagram can represent a part of a module, a program segment or an instruction, and a part of the module, a program segment or an instruction contains one or more executable instructions for realizing the specified logical function. In some alternative implementations, the functions marked in the box can also occur in a different order from the order marked in the accompanying drawings. For example, two consecutive boxes can actually be executed substantially in parallel, and they can sometimes be executed in the opposite order, depending on the functions involved. It should also be noted that each box in the block diagram and / or flow chart, and the combination of the boxes in the block diagram and / or flow chart can be implemented by a dedicated hardware-based system that performs the specified function or action, or can be implemented by a combination of dedicated hardware and computer instructions. It is well known to those skilled in the art that it is equivalent to implement it by hardware, implement it by software, and implement it by combining software and hardware.

[0103] Embodiments of the present invention have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles of the embodiments, practical applications, or technical improvements in the marketplace, or to enable other persons of ordinary skill in the art to understand the embodiments disclosed herein. The scope of the present invention is defined by the appended claims.

Claims

1. A control method for a vehicle stabilizer bar system, characterized in that: The method comprises: The working state of the stabilizer bar system is controlled according to the vehicle state information, and the working state of the stabilizer bar system includes an active stabilizer bar state and an energy feedback state.

2. The method according to claim 1, characterized in that The vehicle status information includes steering angle, vehicle speed, wheel acceleration, roll angle and lateral acceleration.

3. The method according to claim 1, characterized in that: The controlling the working state of the stabilizer bar system according to the vehicle state information comprises: When the steering angle is less than the steering angle threshold value, the vehicle speed is greater than the vehicle speed threshold value, and the wheel acceleration is less than the wheel acceleration threshold value for a continuous preset time, the stabilizer bar system is controlled to operate in an energy feedback state.

4. The method according to claim 1, characterized in that: The controlling the working state of the stabilizer bar system according to the vehicle state information comprises: When the steering angle is greater than the steering angle threshold value, the roll angle is less than the roll angle threshold value, and the lateral acceleration is less than the lateral acceleration threshold value, the stabilizer bar system is controlled to operate in an active stabilizer bar state.

5. The method according to claim 1, characterized in that The controlling the working state of the stabilizer bar system according to the vehicle state information comprises: When the steering angle is greater than the steering angle threshold, the roll angle is greater than the roll angle threshold, and the lateral acceleration is greater than the lateral acceleration threshold, the stabilizer bar system is controlled to operate in a state where the torque output is maximum.

6. The method according to any one of claims 1 to 5, characterized in that: The working state of the stabilizer bar system also includes a passive stabilizer bar state.

7. The method according to claim 6, characterized in that The controlling the working state of the stabilizer bar system according to the vehicle state information comprises: When the steering angle is less than the steering angle threshold value and the vehicle speed is greater than the vehicle speed threshold value, the stabilizer bar system is controlled to operate in a passive stabilizer bar state.

8. The method according to claim 7, characterized in that The three-phase short circuit of the motor of the stabilizer bar system is controlled to realize that the stabilizer bar system works in a passive stabilizer bar state.

9. A controller, characterized in that: The invention comprises a memory and a processor, wherein the memory is used to store a computer program; and the processor is used to execute the computer program to implement the method according to any one of claims 1 to 8.

10. A computer storage medium, characterized in that: The computer storage medium stores a computer program, which implements the method according to any one of claims 1 to 8 when executed by a processor.

11. A computer program product, characterized in that The invention comprises a computer program, which implements the method according to any one of claims 1 to 8 when being executed by a processor.

12. A vehicle, characterized in that: The vehicle includes a controller, which is the controller of claim 9 or the computer program product of claim 11.

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