WO2022111479A1 - 车辆控制方法、装置、介质、设备及车辆 - Google Patents
车辆控制方法、装置、介质、设备及车辆 Download PDFInfo
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- WO2022111479A1 WO2022111479A1 PCT/CN2021/132491 CN2021132491W WO2022111479A1 WO 2022111479 A1 WO2022111479 A1 WO 2022111479A1 CN 2021132491 W CN2021132491 W CN 2021132491W WO 2022111479 A1 WO2022111479 A1 WO 2022111479A1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
- B60W30/18009—Propelling the vehicle related to particular drive situations
- B60W30/18072—Coasting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
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- B60W30/18109—Braking
- B60W30/18127—Regenerative braking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
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Definitions
- the present disclosure relates to the field of vehicle control, and in particular, to a vehicle control method, device, medium, device, and vehicle.
- the purpose of the present disclosure is to provide a vehicle control method, device, medium, device and vehicle, so as to realize adaptive braking energy recovery and improve the driving experience of the driver.
- a vehicle control method comprising:
- the target time period takes the moment when the braking command is received as a time starting point, and the time period corresponding to the target time period is the target coasting time length;
- the vehicle is brake-controlled according to the target deceleration since reaching the time end of the target period.
- the method further includes:
- the state information indicates that the accelerator pedal is in a released state, it is determined that the braking command is received.
- the braking command carries a target vehicle motion parameter
- the method also includes:
- a driving habit model corresponding to the target vehicle motion parameter is determined according to the respective driving habit models corresponding to various preset vehicle motion parameters, as the target driving habit model.
- the driving habit model corresponding to the preset vehicle motion parameters is obtained in the following manner:
- a preferred deceleration corresponding to the preset vehicle motion parameter is determined according to the historical deceleration.
- the determining the preferred taxiing duration corresponding to the preset vehicle motion parameter according to the historical taxiing duration includes any one of the following:
- the determining of the preferred deceleration corresponding to the preset vehicle motion parameter according to the historical deceleration includes any one of the following:
- the preferred deceleration is determined according to the historical deceleration with the highest frequency among the historical decelerations.
- the target vehicle motion parameter includes the speed and/or acceleration of the vehicle
- the preset vehicle motion parameters include the speed and/or acceleration of the vehicle.
- the target driving habit model records the user's preferred taxiing duration and preferred deceleration
- Determining the target taxiing duration and target deceleration corresponding to the user through the target driving habit model includes:
- the target deceleration is determined according to the user's preferred deceleration recorded in the target driving habit model.
- the determining the target deceleration according to the user's preferred deceleration recorded by the target driving habit model includes:
- the traffic information includes a distance between the vehicle and a target object in front of the vehicle, and a relative speed between the vehicle and the target object;
- a weighted calculation is performed to obtain the target deceleration.
- the second weight is obtained in the following manner:
- the weight corresponding to the acquired traffic information is used as the second weight.
- performing braking control on the vehicle according to the target deceleration includes:
- the determining of the target braking torque corresponding to the target deceleration includes:
- the target braking torque is obtained.
- a vehicle control device comprising:
- a first determining module configured to determine a target taxiing duration and a target deceleration corresponding to the user through a target driving habit model when a braking command is received;
- a first control module configured to control the vehicle to coast within a target time period, the target time period takes the moment when the braking command is received as a time starting point, and the time period corresponding to the target time period is the target coasting time length ;
- the second control module is configured to perform braking control on the vehicle according to the target deceleration since reaching the time end of the target period.
- the apparatus further comprises:
- an acquisition module for acquiring the state information of the accelerator pedal of the vehicle
- the device is configured to determine that the braking command is received if the state information indicates that the accelerator pedal is in a released state.
- the braking command carries a target vehicle motion parameter
- the device also includes:
- the second determining module is configured to, when receiving the braking instruction, determine the driving habit model corresponding to the target vehicle motion parameter according to the respective driving habit models corresponding to various preset vehicle motion parameters, as the driving habit model corresponding to the target vehicle motion parameter.
- Target driving habits model is configured to, when receiving the braking instruction, determine the driving habit model corresponding to the target vehicle motion parameter according to the respective driving habit models corresponding to various preset vehicle motion parameters, as the driving habit model corresponding to the target vehicle motion parameter.
- Target driving habits model is configured to, when receiving the braking instruction, determine the driving habit model corresponding to the target vehicle motion parameter according to the respective driving habit models corresponding to various preset vehicle motion parameters, as the driving habit model corresponding to the target vehicle motion parameter.
- the device is configured to obtain a driving habit model corresponding to preset vehicle motion parameters in the following manner:
- the acquisition sub-module is used to acquire the historical coasting duration and historical deceleration corresponding to the preset vehicle motion parameters of the user in each historical braking process, where the historical coasting duration is acceleration during the historical braking process the time period from when the pedal is released to when the brake pedal is depressed, the historical deceleration is determined according to the maximum deceleration in the historical braking process;
- a second determining submodule configured to determine a preferred taxiing duration corresponding to the preset vehicle motion parameter according to the historical taxiing duration
- a third determination sub-module is configured to determine a preferred deceleration corresponding to the preset vehicle motion parameter according to the historical deceleration.
- the second determination sub-module is configured to determine the preferred taxiing duration by any one of the following:
- the third determination sub-module is configured to determine the preferred deceleration by any one of the following:
- the preferred deceleration is determined according to the historical deceleration with the highest frequency among the historical decelerations.
- the target vehicle motion parameter includes the speed and/or acceleration of the vehicle
- the preset vehicle motion parameters include the speed and/or acceleration of the vehicle.
- the target driving habit model records the user's preferred taxiing duration and preferred deceleration
- the first determining module includes:
- a fourth determining submodule configured to determine the target taxiing duration according to the user's preferred taxiing duration recorded by the target driving habit model
- a fifth determining submodule is configured to determine the target deceleration according to the user's preferred deceleration recorded by the target driving habit model.
- the fifth determination submodule is used for:
- the traffic information includes a distance between the vehicle and a target object in front of the vehicle, and a relative speed between the vehicle and the target object;
- a weighted calculation is performed to obtain the target deceleration.
- the second weight is obtained in the following manner:
- the weight corresponding to the acquired traffic information is used as the second weight.
- the second control module includes:
- a sixth determination submodule configured to determine a target braking torque corresponding to the target deceleration
- a control sub-module for performing braking control on the vehicle according to the target braking torque is provided.
- the sixth determination sub-module is used for:
- the target braking torque is obtained.
- a computer-readable storage medium on which a computer program is stored, and when the program is executed by a processor, implements the steps of the method described in the first aspect of the present disclosure.
- an electronic device comprising:
- a processor for executing the computer program in the memory to implement the steps of the method of the first aspect of the present disclosure.
- a vehicle for performing the steps of the method of the first aspect of the present disclosure.
- the target driving habit model is used to determine the target coasting duration and target deceleration corresponding to the user, and within the target period, the vehicle is controlled to coast, and the target period is to receive the braking command
- the time at is the starting point of time
- the duration corresponding to the target period is the target coasting duration
- the vehicle is braked according to the target deceleration.
- the determined target taxiing duration and target deceleration can be more in line with the user's driving habits.
- the kinetic energy during the sliding process can be converted into electrical energy for storage, thereby realizing adaptive braking energy recovery, without the need for additional manual control by the user, and improving the user's driving experience.
- FIG. 1 is a flowchart of a vehicle control method provided according to an embodiment of the present disclosure
- FIG. 2 is a block diagram of a vehicle control device provided according to an embodiment of the present disclosure
- Fig. 3 is a block diagram of an electronic device according to an exemplary embodiment.
- FIG. 1 is a flowchart of a vehicle control method provided according to an embodiment of the present disclosure.
- the method provided by the present disclosure can be applied to any device capable of controlling a vehicle, for example, a vehicle controller. As shown in Figure 1, the method may include the following steps.
- step 11 when a braking command is received, the target taxiing duration and target deceleration corresponding to the user are determined through the target driving habit model.
- step 12 within the target period, the vehicle is controlled to coast.
- step 13 the braking control of the vehicle is performed according to the target deceleration since reaching the time end of the target period.
- the target time period takes the moment when the braking command is received as the time starting point, and the time period corresponding to the target time period is the target coasting time length.
- a brake button may be provided on the vehicle, and when it is detected that the user triggers the brake button, it can be determined that a brake command is received.
- the method provided by the present disclosure may further include the following steps:
- the state information indicates that the accelerator pedal is in a released state, it is determined that a braking command is received.
- the accelerator pedal is in a released state, which can mean that the accelerator pedal is in a fully released state, that is, the accelerator pedal is completely released.
- the braking command may carry target vehicle motion parameters.
- the target vehicle motion parameter includes the speed and/or acceleration of the vehicle.
- the speed of the vehicle may be obtained by a vehicle speed sensor provided in the vehicle.
- the acceleration of the vehicle can be obtained by an acceleration sensor provided in the vehicle.
- the acceleration of the vehicle can be obtained by collecting the vehicle speed and using an existing algorithm for obtaining the acceleration from the vehicle speed.
- step 11 is executed, and the target taxiing duration and target deceleration corresponding to the user are determined through the target driving habit model.
- the target driving habit model is generated based on the user's driving habit.
- the target driving habit model can be stored in a preset storage unit of the vehicle, for example, a VCU (Vehicle Control Unit, vehicle controller).
- VCU Vehicle Control Unit, vehicle controller
- a variety of alternative driving habit models may be pre-trained and stored, and a current driving habit model (ie, a target habit model) to be used is selected from the multiple models based on the braking command.
- a current driving habit model ie, a target habit model
- the method provided by the present disclosure may further include the following steps:
- the driving habit model corresponding to the target vehicle motion parameter is determined as the target driving habit model.
- the preset vehicle motion parameters may include the speed and/or acceleration of the vehicle, and the preset vehicle motion parameters may be understood as the preset speed and/or acceleration.
- each preset vehicle motion parameter corresponds to its own driving habit model. Therefore, based on the actual target vehicle motion parameters of the vehicle, the target can be determined from these existing driving habit models. Model of driving habits.
- the driving habit model corresponding to the preset vehicle motion parameters can be obtained in the following manner:
- the preferred deceleration corresponding to the preset vehicle motion parameters is determined according to the historical deceleration.
- the historical coasting duration is the duration from when the accelerator pedal is released to when the brake pedal is depressed in the historical braking process.
- the historical deceleration may be determined according to the maximum deceleration in the historical braking process. For example, the product of the maximum deceleration in a historical braking process and a preset coefficient is used as the historical deceleration corresponding to the historical braking process. Wherein, for example, the preset coefficient may be 80%.
- the user's preferred taxiing duration can be further determined.
- the preferred taxiing duration is determined according to the historical taxiing duration, which may include any one of the following:
- the preferred taxiing duration is determined according to the historical taxiing duration with the highest frequency among the historical taxiing durations.
- a plurality of obtained historical taxiing durations may be averaged first, and the obtained average value may be determined as the preferred taxiing duration.
- the median of the obtained multiple historical taxiing durations may be obtained, and the obtained median result may be determined as the preferred taxiing duration.
- the duration value with the highest frequency among the obtained multiple historical gliding durations may be counted, and the duration value may be determined as the preferred gliding duration.
- the preferred deceleration is determined according to the historical deceleration, which may include any of the following:
- the preferred deceleration is determined according to the historical deceleration with the highest frequency among the historical decelerations.
- a plurality of obtained historical decelerations may be averaged first, and the obtained average value may be determined as the preferred deceleration.
- the median of multiple obtained historical decelerations may be obtained, and the obtained median result may be determined as the preferred deceleration.
- the deceleration value with the highest frequency among the obtained multiple historical decelerations may be counted, and the deceleration value may be determined as the preferred deceleration.
- a target driving habit model that conforms to the target vehicle motion parameters can be determined, and further, based on the target driving habit model, it can be used for subsequent data deal with.
- the target driving habit model records the user's preferred taxiing duration and preferred deceleration, and further, it is easy to obtain the target taxiing duration and target deceleration corresponding to the user.
- Step 11 may include the following steps:
- the target deceleration is determined according to the user's preferred deceleration recorded by the target driving habit model.
- determining the target taxiing duration according to the user's preferred taxiing duration recorded by the target driving habit model may include the following steps:
- the user's preferred taxiing duration recorded by the target driving habit model is directly used as the target taxiing duration.
- the target taxiing duration can be quickly determined, and the data processing speed is fast.
- determining the target taxiing duration according to the user's preferred taxiing duration recorded by the target driving habit model may include the following steps:
- the user's preferred taxiing duration recorded by the target driving habit model is pre-calculated with the preset value, and the obtained result is used as the target taxiing duration.
- the preset operation may be multiplication, addition, subtraction, and the like.
- determining the target deceleration according to the user's preferred deceleration recorded by the target driving habit model may include the following steps:
- the user's preferred deceleration recorded by the target driving habit model is directly used as the target deceleration.
- the target taxiing duration can be quickly determined, and the data processing speed is fast.
- determining the target deceleration according to the user's preferred deceleration recorded by the target driving habit model may include the following steps:
- a weighted calculation is performed according to the first deceleration, the second deceleration, the first weight corresponding to the first deceleration, and the second weight corresponding to the second deceleration to obtain the target deceleration.
- the traffic information includes the distance between the vehicle and the target object in front of the vehicle, and the relative speed between the vehicle and the target object.
- the target object may be, for example, other vehicles, obstacles, traffic lights, and the like.
- the traffic information may be acquired through one or more of vehicle radar, camera, and V2X (Vehicle to X, Internet of Vehicles).
- a second deceleration may be determined according to the traffic information, where the second deceleration is a deceleration capable of ensuring safe driving of the vehicle. For example, if the traffic information includes the distance between the vehicle and the vehicle in front and the relative speed between the vehicle and the vehicle in front, the second deceleration should be determined for the purpose of not colliding with the vehicle in front. For another example, if the traffic information includes the distance between the vehicle and the traffic light and the relative speed between the vehicle and the traffic light (that is, the vehicle speed), and the traffic light is a red light, it should be determined that the vehicle can stop the vehicle for the purpose of not running the red light. The deceleration before the stop line, as the second deceleration.
- a weighted calculation may be performed according to the first deceleration, the second deceleration, the first weight corresponding to the first deceleration, and the second weight corresponding to the second deceleration to obtain target deceleration.
- the sum of the first weight and the second weight is 1, and the value ranges of both are: greater than or equal to 0, and less than or equal to 1.
- the first weight and the second weight may be preset fixed values.
- the second weight can be obtained by:
- the weight corresponding to the acquired traffic information is used as the second weight.
- a distance interval between the vehicle and the preceding vehicle may be set, and a weight value corresponding to each distance interval may be set, and further, according to the obtained traffic information, the distance interval to which the distance between the vehicle and the preceding vehicle belongs is determined, Then, the weight value corresponding to this distance interval is obtained as the second weight.
- the pre-set weight corresponding to the distance between the vehicle and the vehicle in front is less than 50m is 0.8, and the distance between the vehicle and the vehicle in front is between 50m and 100m, the corresponding weight is 0.5, and the distance between the vehicle and the vehicle in front is greater than 100m
- the corresponding weight is 0.2, and if the obtained traffic information indicates that the distance between the vehicle and the preceding vehicle is 58m, the second weight can be determined to be 0.5.
- the second weight can be determined to be 0.
- the target deceleration is obtained through weighted calculation, which can not only ensure safety, but also take into account the driver's driving habits.
- step 12 within the target period, the vehicle is controlled to coast.
- the target period takes the moment when the braking command is received as the time starting point, and the duration corresponding to the target period is the target taxiing duration. That is to say, starting from the moment when the braking command is received, the vehicle is controlled to coast until the target coasting duration is reached, which belongs to the coasting stage of the vehicle.
- step 13 the braking control of the vehicle is performed according to the target deceleration since reaching the time end of the target period.
- the braking control of the vehicle according to the target deceleration may include the following steps:
- the braking control of the vehicle is performed.
- the braking torque corresponding to the target deceleration can be calculated according to the conversion formula between the deceleration and the braking torque.
- the conversion between deceleration and braking torque belongs to common knowledge in the art, and the specific calculation method is not listed here.
- determining the target braking torque corresponding to the target deceleration may include the following steps:
- the target braking torque is obtained.
- the vehicle dynamics model will calculate the torque result based on information such as target deceleration, slope, vehicle speed, and vehicle mass.
- the vehicle dynamics model considers vehicle dynamics factors, including tire resistance, air resistance, internal resistance (including mechanical loss, inertial factors, etc.), acceleration resistance, and slope resistance, which are conventional methods in vehicle dynamics, and will not be described here. .
- the torque result may be directly used as the target braking torque.
- drivability filtering eg, first-order lag filtering
- the target driving habit model is used to determine the target coasting duration and target deceleration corresponding to the user, and within the target time period, the vehicle is controlled to coast, and the target time period is used to receive the braking command
- the time at is the starting point of time
- the duration corresponding to the target period is the target coasting duration
- the vehicle is braked according to the target deceleration.
- the determined target taxiing duration and target deceleration can be more in line with the user's driving habits.
- the kinetic energy during the sliding process can be converted into electrical energy for storage, thereby realizing adaptive braking energy recovery, without the need for additional manual control by the user, and improving the user's driving experience.
- FIG. 2 is a block diagram of a vehicle control apparatus provided according to an embodiment of the present disclosure. As shown in Figure 2, the device 20 includes:
- the first determination module 21 is configured to determine the target taxiing duration and target deceleration corresponding to the user through the target driving habit model when the braking command is received;
- the first control module 22 is configured to control the vehicle to coast within a target period, the target period takes the moment when the braking command is received as a time starting point, and the duration corresponding to the target period is the target coasting duration;
- the second control module 23 is configured to perform braking control on the vehicle according to the target deceleration since reaching the time end of the target period.
- the apparatus 20 further includes:
- an acquisition module for acquiring the state information of the accelerator pedal of the vehicle
- the device 20 is configured to determine that the braking command is received if the state information indicates that the accelerator pedal is in a released state.
- the braking command carries a target vehicle motion parameter
- the device 20 also includes:
- the second determining module is configured to, when receiving the braking instruction, determine the driving habit model corresponding to the target vehicle motion parameter according to the respective driving habit models corresponding to various preset vehicle motion parameters, as the driving habit model corresponding to the target vehicle motion parameter.
- Target driving habits model is configured to, when receiving the braking instruction, determine the driving habit model corresponding to the target vehicle motion parameter according to the respective driving habit models corresponding to various preset vehicle motion parameters, as the driving habit model corresponding to the target vehicle motion parameter.
- Target driving habits model is configured to, when receiving the braking instruction, determine the driving habit model corresponding to the target vehicle motion parameter according to the respective driving habit models corresponding to various preset vehicle motion parameters, as the driving habit model corresponding to the target vehicle motion parameter.
- the device 20 is configured to obtain a driving habit model corresponding to preset vehicle motion parameters in the following manner:
- the acquisition sub-module is used to acquire the historical coasting duration and historical deceleration corresponding to the preset vehicle motion parameters of the user in each historical braking process, where the historical coasting duration is acceleration during the historical braking process the time period from when the pedal is released to when the brake pedal is depressed, the historical deceleration is determined according to the maximum deceleration in the historical braking process;
- a second determining submodule configured to determine a preferred taxiing duration corresponding to the preset vehicle motion parameter according to the historical taxiing duration
- a third determination sub-module is configured to determine a preferred deceleration corresponding to the preset vehicle motion parameter according to the historical deceleration.
- the second determination sub-module is configured to determine the preferred taxiing duration by any one of the following:
- the third determination sub-module is configured to determine the preferred deceleration by any one of the following:
- the preferred deceleration is determined according to the historical deceleration with the highest frequency among the historical decelerations.
- the target vehicle motion parameter includes the speed and/or acceleration of the vehicle
- the preset vehicle motion parameters include the speed and/or acceleration of the vehicle.
- the target driving habit model records the user's preferred taxiing duration and preferred deceleration
- the first determination module 21 includes:
- a fourth determining submodule configured to determine the target taxiing duration according to the user's preferred taxiing duration recorded by the target driving habit model
- a fifth determining submodule is configured to determine the target deceleration according to the user's preferred deceleration recorded by the target driving habit model.
- the fifth determination submodule is used for:
- the traffic information includes a distance between the vehicle and a target object in front of the vehicle, and a relative speed between the vehicle and the target object;
- a weighted calculation is performed to obtain the target deceleration.
- the second weight is obtained in the following manner:
- the weight corresponding to the acquired traffic information is used as the second weight.
- the second control module 23 includes:
- a sixth determination submodule configured to determine a target braking torque corresponding to the target deceleration
- a control sub-module for performing braking control on the vehicle according to the target braking torque is provided.
- the sixth determination sub-module is used for:
- the target braking torque is obtained.
- the present disclosure also provides a vehicle for executing the vehicle control method provided by any embodiment of the present disclosure.
- FIG. 3 is a block diagram of an electronic device 700 according to an exemplary embodiment.
- the electronic device 700 may include: a processor 701 and a memory 702 .
- the electronic device 700 may also include one or more of a multimedia component 703 , an input/output (I/O) interface 704 , and a communication component 705 .
- I/O input/output
- the processor 701 is used to control the overall operation of the electronic device 700 to complete all or part of the steps in the above-mentioned vehicle control method.
- the memory 702 is used to store various types of data to support operations on the electronic device 700, such data may include, for example, instructions for any application or method operating on the electronic device 700, and application-related data, Such as contact data, messages sent and received, pictures, audio, video, and so on.
- the memory 702 can be implemented by any type of volatile or non-volatile storage device or their combination, such as static random access memory (Static Random Access Memory, SRAM for short), electrically erasable programmable read-only memory ( Electrically Erasable Programmable Read-Only Memory (EEPROM for short), Erasable Programmable Read-Only Memory (EPROM), Programmable Read-Only Memory (PROM), Read-Only Memory (Read-Only Memory, ROM for short), magnetic memory, flash memory, magnetic disk or optical disk.
- Multimedia components 703 may include screen and audio components. Wherein the screen can be, for example, a touch screen, and the audio component is used for outputting and/or inputting audio signals.
- the audio component may include a microphone for receiving external audio signals.
- the received audio signal may be further stored in memory 702 or transmitted through communication component 705 .
- the audio assembly also includes at least one speaker for outputting audio signals.
- the I/O interface 704 provides an interface between the processor 701 and other interface modules, and the above-mentioned other interface modules may be a keyboard, a mouse, a button, and the like. These buttons can be virtual buttons or physical buttons.
- the communication component 705 is used for wired or wireless communication between the electronic device 700 and other devices. Wireless communication, such as Wi-Fi, Bluetooth, Near Field Communication (NFC), 2G, 3G, 4G, NB-IOT, eMTC, or other 5G, etc., or one or more of them The combination is not limited here. Therefore, the corresponding communication component 705 may include: Wi-Fi module, Bluetooth module, NFC module and so on.
- the electronic device 700 may be implemented by one or more application-specific integrated circuits (Application Specific Integrated Circuit, ASIC for short), digital signal processors (Digital Signal Processor, DSP for short), digital signal processing devices (Digital Signal Processing Device (DSPD), Programmable Logic Device (PLD), Field Programmable Gate Array (FPGA), controller, microcontroller, microprocessor or other electronic components
- ASIC Application Specific Integrated Circuit
- DSP Digital Signal Processor
- DSP digital signal processing devices
- DSPD Digital Signal Processing Device
- PLD Programmable Logic Device
- FPGA Field Programmable Gate Array
- controller microcontroller, microprocessor or other electronic components
- microcontroller microprocessor or other electronic components
- a computer-readable storage medium including program instructions, the program instructions implementing the steps of the above-mentioned vehicle control method when executed by a processor.
- the computer-readable storage medium can be the above-mentioned memory 702 including program instructions, and the above-mentioned program instructions can be executed by the processor 701 of the electronic device 700 to complete the above-mentioned vehicle control method.
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Power Engineering (AREA)
- Regulating Braking Force (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Traffic Control Systems (AREA)
Abstract
Description
Claims (19)
- 一种车辆控制方法,包括:在接收到制动指令时,通过目标驾驶习惯模型,确定对应于所述用户的目标滑行时长和目标减速度;在目标时段内,控制所述车辆滑行,所述目标时段以接收到所述制动指令的时刻为时间起点,且所述目标时段对应的时长为所述目标滑行时长;自到达所述目标时段的时间终点开始,根据所述目标减速度,对所述车辆进行制动控制。
- 根据权利要求1所述的方法,还包括:获取所述车辆的加速踏板的状态信息;若所述状态信息表征所述加速踏板处于释放状态,确定接收到所述制动指令。
- 根据权利要求1所述的方法,其中所述制动指令携带有目标车辆运动参数;所述方法还包括:在接收到所述制动指令时,根据多种预设车辆运动参数各自对应的驾驶习惯模型,确定出与所述目标车辆运动参数对应的驾驶习惯模型,作为所述目标驾驶习惯模型。
- 根据权利要求3所述的方法,其中预设车辆运动参数对应的驾驶习惯模型通过如下方式获得:获取所述用户在各次历史制动过程中与所述预设车辆运动参数对应的历史滑行时长和历史减速度,所述历史滑行时长为所述历史制动过程中加速踏板被释放到制动踏板被踩下所经过的时长,所述历史减速度根据所述历史制动过程中的最大减速度确定;根据所述历史滑行时长确定与所述预设车辆运动参数对应的偏好滑行时长;根据所述历史减速度确定与所述预设车辆运动参数对应的偏好减速度。
- 根据权利要求4所述的方法,其中所述根据所述历史滑行时长确定与所述预设车辆运动参数对应的偏好滑行时长,包括以下中的任意一者:根据所述历史滑行时长的平均值,确定所述偏好滑行时长;根据所述历史滑行时长的中位数,确定所述偏好滑行时长;根据所述历史滑行时长中出现频率最高的历史滑行时长,确定所述偏好滑行时长;和/或所述根据所述历史减速度确定与所述预设车辆运动参数对应的偏好减速度,包括以下中的任意一者:根据所述历史减速度的平均值,确定所述偏好减速度;根据所述历史减速度的中位数,确定所述偏好减速度;根据所述历史减速度中出现频率最高的历史减速度,确定所述偏好减速度。
- 根据权利要求5所述的方法,其中所述目标车辆运动参数包括所述车辆的速度和/或加速度;所述预设车辆运动参数包括所述车辆的速度和/或加速度。
- 根据权利要求1所述的方法,其中所述目标驾驶习惯模型记录有所述用户的偏好滑行时长和偏好减速度;所述通过目标驾驶习惯模型,确定对应于所述用户的目标滑行时长和目标减速度,包括:根据所述目标驾驶习惯模型记录的所述用户的偏好滑行时长,确定所述目标滑行时长;以及,根据所述目标驾驶习惯模型记录的所述用户的偏好减速度,确定所述目标减速度。
- 根据权利要求7所述的方法,其中所述根据所述目标驾驶习惯模型记录的所述用户的偏好减速度,确定所述目标减速度,包括:将所述目标驾驶习惯模型记录的所述用户的偏好减速度确定为第一减速度;获取所述车辆周边的交通信息,所述交通信息包括所述车辆与所述车辆前方的目标对象之间的距离、所述车辆与所述目标对象之间的相对速度;根据所述交通信息,确定能够保证车辆安全的第二减速度;根据所述第一减速度、所述第二减速度、所述第一减速度对应的第一权重以及所述第二减速度对应的第二权重,进行加权计算,获得所述目标减速度。
- 根据权利要求8所述的方法,其中所述第二权重通过如下方式获得:根据获取到的所述交通信息,以及预先设置的交通信息与权重之间的对应关系,将与获取到的所述交通信息对应的权重作为所述第二权重。
- 根据权利要求1所述的方法,其中所述根据所述目标减速度,对所述车辆进行制动控制,包括:确定与所述目标减速度对应的目标制动扭矩;根据所述目标制动扭矩,对所述车辆进行制动控制。
- 根据权利要求10所述的方法,其中所述确定与所述目标减速度对应的目标制动扭矩,包括:将所述目标减速度输入至预先训练的车辆动力学模型,得到所述车辆动力学模型输出的扭矩结果;根据所述扭矩结果,获得所述目标制动扭矩。
- 一种车辆控制装置,包括:第一确定模块,用于在接收到制动指令时,通过目标驾驶习惯模型,确定对应于所述用户的目标滑行时长和目标减速度;第一控制模块,用于在目标时段内,控制所述车辆滑行,所述目标时段以接收到所述制动指令的时刻为时间起点,且所述目标时段对应的时长为所述目标滑行时长;第二控制模块,用于自到达所述目标时段的时间终点开始,根据所述目标减速度,对所述车辆进行制动控制。
- 根据权利要求12所述的装置,其中所述制动指令携带有目标车辆运动参数;所述装置还包括:第二确定模块,用于在接收到所述制动指令时,根据多种预设车辆运动参数各自对应的驾驶习惯模型,确定出与所述目标车辆运动参数对应的驾驶习惯模型,作为所述目标驾驶习惯模型。
- 根据权力要求12所述的装置,其中所述目标驾驶习惯模型记录有所述用户的偏好滑行时长和偏好减速度;所述第一确定模块包括:第四确定子模块,用于根据所述目标驾驶习惯模型记录的所述用户的偏好滑行时长,确定所述目标滑行时长;以及,第五确定子模块,用于根据所述目标驾驶习惯模型记录的所述用户的偏好减速度,确定所述目标减速度。
- 根据权利要求14所述的装置,其中所述第五确定子模块用于:将所述目标驾驶习惯模型记录的所述用户的偏好减速度确定为第一减速度;获取所述车辆周边的交通信息,所述交通信息包括所述车辆与所述车辆前方的目标对象之间的距离、所述车辆与所述目标对象之间的相对速度;根据所述交通信息,确定能够保证车辆安全的第二减速度;根据所述第一减速度、所述第二减速度、所述第一减速度对应的第一权重以及所述第二减速度对应的第二权重,进行加权计算,获得所述目标减速度。
- 根据权利要求12所述的装置,其中所述第二控制模块包括:第六确定子模块,用于确定与所述目标减速度对应的目标制动扭矩;控制子模块,用于根据所述目标制动扭矩,对所述车辆进行制动控制。
- 一种计算机可读存储介质,其上存储有计算机程序,该程序被处理器执行时实现权利要求1-11中任一项所述方法的步骤。
- 一种电子设备,包括:存储器,其上存储有计算机程序;处理器,用于执行所述存储器中的所述计算机程序,以实现权利要求1-11中任一项所述方法的步骤。
- 一种车辆,其中所述车辆用于执行权利要求1-11中任一项所述的方法。
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CN113085571A (zh) * | 2021-04-16 | 2021-07-09 | 恒大恒驰新能源汽车研究院(上海)有限公司 | 滑行能量回收方法、装置、汽车和存储介质 |
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