A control method, device, equipment and medium of a vehicle turn signal

Abstract

Embodiments of the present application provide a vehicle turn signal control method, device, equipment and medium, the method comprises: detecting the control intention of the driver to the vehicle in the process of vehicle driving; when the control intention indicates that the driver controls the vehicle to turn, and the turn signal of the vehicle is in the off state, automatically turning on the turn signal of the vehicle. Through the embodiments of the present application, the turn signal is automatically controlled according to the control intention of the driver to the vehicle, the risk caused by forgetting to turn off the turn signal is reduced, and the driving safety is improved.

Description

Technical Field

[0001] This invention relates to the field of vehicle technology, and in particular to a method, device, equipment, and medium for controlling vehicle turn signals. Background Technology

[0002] To ensure driving safety, cars are usually equipped with turn signals to indicate the vehicle's movement. Turn signals are activated when the car turns or changes lanes, allowing others to know the car's direction in advance.

[0003] In actual driving, drivers may forget to turn on or off their turn signals due to negligence or other reasons, which may prevent pedestrians and other vehicles from knowing the vehicle's movement and affect driving safety. Summary of the Invention

[0004] In view of the above problems, a method, apparatus, device, and medium for controlling vehicle turn signals are proposed to overcome or at least partially solve the above problems, including:

[0005] A method for controlling a vehicle turn signal, the method comprising:

[0006] During vehicle operation, the driver's intention to control the vehicle is detected.

[0007] When the control intent is detected to instruct the driver to steer the vehicle, and the vehicle's turn signals are off, the vehicle's turn signals are automatically turned on.

[0008] A method for controlling a vehicle turn signal, the method comprising:

[0009] While the vehicle is in motion, the status of the vehicle's turn signals is detected;

[0010] When the turn signal is on, the driver's intention to control the vehicle is detected;

[0011] When the control intent is detected to instruct the driver to steer the vehicle, the vehicle's turn signals are automatically turned off.

[0012] An electronic device includes a processor, a memory, and a computer program stored in the memory and capable of running on the processor, wherein the computer program, when executed by the processor, implements the vehicle turn signal control method as described above.

[0013] A vehicle includes a processor, a memory, and a computer program stored in the memory and capable of running on the processor, wherein the computer program, when executed by the processor, implements the vehicle turn signal control method as described above.

[0014] A computer-readable storage medium storing a computer program that, when executed by a processor, implements the vehicle turn signal control method described above.

[0015] The embodiments of the present invention have the following advantages:

[0016] In this embodiment of the invention, by detecting the driver's control intention on the vehicle during vehicle operation, and automatically turning on the vehicle's turn signals when the control intention instructs the driver to steer the vehicle and the turn signals are in the off state, the automatic control of the turn signals based on the driver's control intention on the vehicle is realized, reducing the risk caused by forgetting to turn on the turn signals and improving driving safety.

[0017] In this embodiment of the invention, by detecting the status of the vehicle's turn signals during vehicle operation, and detecting the driver's control intention when the turn signals are on, and automatically turning off the turn signals when the control intention instructs the driver to steer the vehicle, the system achieves automatic control of the turn signals based on the driver's control intention, reducing the risk caused by forgetting to turn off the turn signals and improving driving safety. Attached Figure Description

[0018] To more clearly illustrate the technical solution of the present invention, the accompanying drawings used in the description of the present invention will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of a system architecture provided in an embodiment of the present invention;

[0020] Figure 2 This is a schematic diagram of turn signal control during turning, provided by an embodiment of the present invention;

[0021] Figure 3a This is a schematic diagram of turn signal control during a lane change, provided by an embodiment of the present invention;

[0022] Figure 3b This is a schematic diagram of a vehicle's front wheel crossing a lane line according to an embodiment of the present invention;

[0023] Figure 4 This is a flowchart of the steps of a vehicle turn signal control method according to an embodiment of the present invention;

[0024] Figure 5 This is a schematic diagram illustrating how a turn signal automatically turns on when turning, according to an embodiment of the present invention.

[0025] Figure 6 This is a schematic diagram illustrating the automatic activation of turn signals during a lane change, according to an embodiment of the present invention.

[0026] Figure 7 This is a flowchart of another vehicle turn signal control method provided in an embodiment of the present invention;

[0027] Figure 8 This is a schematic diagram illustrating the automatic shut-off of turn signals during lane changes, provided by an embodiment of the present invention.

[0028] Figure 9 This is a schematic diagram of an embodiment of the present invention showing that the turn signal automatically turns off when turning. Detailed Implementation

[0029] To make the above-mentioned objects, features, and advantages of the present invention more apparent and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0030] In related technologies, the control of vehicle turn signals can be combined with navigation information to automatically turn the turn signals on or off without any manual operation by the driver, thus promptly alerting pedestrians and other vehicles and preventing traffic accidents. Specifically, based on the navigation information and the vehicle's real-time location, it can determine whether the vehicle needs to change lanes or turn, generate turning information, transmit the turning information to the control unit, and then activate the turn signal for the corresponding direction.

[0031] The above technical solutions rely on the driving route and real-time vehicle location in the navigation information. When navigation and positioning malfunction, they cannot make a judgment. Furthermore, judging the driver's turning or lane-changing intentions based on the driving route and real-time location is not accurate enough.

[0032] In this embodiment of the invention, by acquiring information such as road conditions and road type from navigation information, the driver's turning intention is determined based on this information. Lane line information is acquired through the perception unit, the steering wheel angle is obtained through EPS (Electrical Power Steering) and the lateral distance to the vehicle in front is obtained through ADAS (Advanced Driving Assistance System) sensors. Then, the driver's lane change intention is determined based on all of this information.

[0033] Specifically, algorithms can be used to determine the driver's turning intention. When the algorithm determines that the driver is turning without using the turn signal, it assists the driver in turning on the turn signal and automatically turns it off. Similarly, algorithms can be used to determine the driver's lane-changing intention. When the algorithm determines that the driver is changing lanes without using the turn signal, it assists the driver in turning on and off the turn signal.

[0034] In this embodiment of the invention, it can be applied to a turn signal assist system, such as... Figure 1 The Turn Signal Assist system can connect with EPS (Electric Power Steering), MEDIA (Multimedia Interface), BCM (Body Control Management), cameras, and HMI (Human Machine Interface). It can then input information such as steering wheel information, navigation information, lane line information captured by the perception system, lateral distance to the vehicle in front, turn signal status, and function switch into the system. After analysis by the Turn Signal Assist system, it can output a signal to control the turn signal to turn on or off.

[0035] In one example, the turn signal assist system can be enabled by default, and the driver can also control the function to be turned on and off via a function switch. The turn signal assist is more effective when the vehicle speed is between 30 kph and 155 kph and the minimum lane width is between 2.5 m and 5.6 m.

[0036] For turns, the TSA function can determine the driver's turning intention by obtaining road information and road type from the navigation system. If a turn is detected and the driver has not activated the turn signal, the TSA function will activate the turn signal for the driver and automatically deactivate it after 1.5 seconds. See the following for details: Figure 2 As shown:

[0037] Step 201: Use navigation information to obtain the same source signal as the voice broadcast, and then obtain the road conditions to determine whether the driver intends to turn;

[0038] Step 202: In the control unit, when the navigation information indicates that there are situations such as left turn, left front turn, U-turn, right turn, and right front turn at the intersection ahead, and the driver has not turned on the turn signal, the navigation information is read. If the road type is a highway, the turn signal is turned on 500m in advance. If the road type is a city road, the turn signal is turned on 150m in advance. The turn signal is turned off 1.5 seconds later.

[0039] Step 203: In the turn signal module, the BCM controls the turn signal to turn on or off when it receives a command from the control module.

[0040] For lane changes, the TSA system collects data on the vehicle's relative position to the lane edge, the integral of the steering wheel angle, and the lateral distance to the vehicle in front. Based on this information, it determines the driver's intention to change lanes. If a lane change is detected and the driver has not activated the turn signal, the TSA system will activate the turn signal, which will automatically deactivate after 3 seconds. See the following for details: Figure 3a As shown:

[0041] Step 301: Obtain the steering wheel angle through EPS, and then calculate the integral of the steering wheel angle;

[0042] Step 302: In the perception system, the ADAS sensor identifies the lane line and obtains the distance between the vehicle and the lane line and the lateral distance between the vehicle and the vehicle in front, in order to determine whether the driver intends to change lanes.

[0043] Step 303: In the control unit, when it is determined that the distance between the edge of the front wheel of the vehicle and the lane line is greater than 30cm (e.g., Figure 3b If the distance between the edge of the front wheel of the vehicle and the lane line is greater than a threshold, and the integral of the steering wheel angle is greater than a threshold (if the vehicle in front exists), and the lateral distance from the vehicle in front is greater than a threshold, if the driver has not turned on the turn signal, notify the BCM to turn on the turn signal. After 1.5 seconds, turn off the turn signal. If the above conditions are triggered again within 1.5 seconds, the timer will restart.

[0044] Step 304: In the turn signal module, control is achieved via BCM. When a command is received from the control module, the BCM turns the turn signal on or off.

[0045] Reference Figure 4 The diagram illustrates a flowchart of a vehicle turn signal control method according to an embodiment of the present invention, which may specifically include the following steps:

[0046] Step 401: During the vehicle's operation, detect the driver's intention to control the vehicle.

[0047] During vehicle operation, relevant data can be collected by sensors. Then, by analyzing the data, the driver's control intentions for the vehicle can be determined. Control intentions can include the intention to control the vehicle's steering, which can include controlling the vehicle to change lanes or turn.

[0048] In one embodiment of the present invention, detecting the driver's intention to control the vehicle includes:

[0049] Obtain the navigation information currently presented to the driver; when the navigation information indicates that there is a road condition ahead that requires the vehicle to turn, determine that the driver's intention to control the vehicle is to control the vehicle to turn.

[0050] In practical applications, the driving route can be determined based on the vehicle's current location and the input destination, generating navigation information which can then be presented to the driver while the vehicle is in motion. In one example, the navigation information can be presented to the driver via voice broadcast or display screen, but other methods can also be used.

[0051] While presenting navigation information to the driver, the turn signal assist system can also acquire the navigation information presented to the driver. In scenarios where the vehicle needs to turn, when the navigation information indicates that there is a road condition ahead that requires the vehicle to turn, it can be determined that the driver's intention to control the vehicle is to control the vehicle to turn. The road condition that requires the vehicle to turn can be a road condition that requires the vehicle to turn. In one example, the road condition that requires the vehicle to turn can be a left turn, a left front turn, a U-turn, a right turn, or a right front turn at the intersection ahead. Of course, it can also include other road conditions.

[0052] During driving, if the driver selects a route through map navigation, the route is fixed, and the intersections where turns and U-turns are required are also fixed. This allows the system to identify road conditions ahead that require the vehicle to turn, thus determining whether a turn is necessary.

[0053] For example, a turn signal assist system can use navigation information to obtain the same source signal as the voice broadcast, thereby obtaining road conditions and determining whether the driver intends to turn. When the navigation information indicates that there is a left turn, left front turn, U-turn, right turn, or right front turn at the intersection ahead, the system reads the navigation information, determines that the driver's intention to control the vehicle is to turn, and then can turn on the turn signal.

[0054] In one example, the direction to turn can be determined based on navigation information, and then the turn signal corresponding to the direction of turn can be turned on. For example, if the navigation information indicates that a right turn is imminent, then the right turn signal can be turned on.

[0055] In one embodiment of the present invention, detecting the driver's intention to control the vehicle includes:

[0056] The system acquires the perception information and steering wheel angle collected by the vehicle; based on the perception information, it determines whether the vehicle is in a steering state; when the vehicle is in a steering state and the steering wheel angle is greater than a steering angle threshold, it determines that the driver's control intention for the vehicle is to control the vehicle to steer.

[0057] In one example, the perceived information could be information collected by the vehicle through cameras, radar, etc.

[0058] In practical applications, the vehicle's perception information and steering wheel angle can be acquired. Then, based on the perception information, it can be determined whether the vehicle is in a turning state. The turning state indicates that the vehicle's current position and posture indicate a high probability that the vehicle is turning. The turning state can also be a lane change state, that is, changing the lane in which the vehicle is located.

[0059] When the vehicle is turning and the steering wheel angle is greater than the turning angle threshold, it can be determined that the driver's intention to control the vehicle is to control the vehicle's steering.

[0060] In one example, the turning angle threshold is negatively correlated with the vehicle speed; that is, the higher the vehicle speed, the lower the turning angle threshold, and vice versa.

[0061] In one embodiment of the present invention, determining whether the vehicle is in a turning state based on the perceived information includes:

[0062] When the perception information indicates that the lateral distance between the vehicle and the vehicle in front is greater than a lateral distance threshold, and / or when the perception information indicates that the distance the front wheels of the vehicle cross the lane line is greater than a crossing distance threshold, the vehicle is determined to be in a turning state.

[0063] In some implementations, the lateral distance between the vehicle (own vehicle) and the vehicle in front can be collected by vehicle-mounted equipment such as radar and cameras. Then, it can be determined whether the lateral distance is greater than a lateral distance threshold. If the lateral distance is greater than the lateral distance threshold, it can be determined that the vehicle is in a turning state.

[0064] In some implementations, the relative positions of the vehicle's front wheels and lane lines can be collected using vehicle-mounted equipment such as radar and cameras. When the distance by which the vehicle's front wheels cross the lane lines exceeds a threshold, such as 30cm, it can be determined that the vehicle is in a turning state.

[0065] For example, by calculating the integral of the steering wheel angle, and by recognizing lane lines through ADAS sensors, the distance between the vehicle and the lane line and the lateral distance from the vehicle in front can be obtained to determine whether the driver intends to change lanes. When the distance between the edge of the front wheel of the vehicle and the lane line is greater than 30cm, the integral of the steering wheel angle is greater than the angle threshold, and the lateral distance from the vehicle in front is greater than the lateral distance threshold (if the vehicle in front exists), it is determined that the driver intends to control the vehicle to change lanes.

[0066] Step 402: When the control intention is detected to instruct the driver to control the vehicle steering, and the vehicle's turn signals are in the off state, the vehicle's turn signals are automatically turned on.

[0067] If the system detects that the driver intends to control the vehicle's steering, it can further detect whether the vehicle's turn signals are off. If the turn signals are on, no action is required; if the turn signals are off, the system can automatically turn them on.

[0068] In one embodiment of the present invention, automatically turning on the vehicle's turn signals when the control intention instructs the driver to control the vehicle's steering or to control the vehicle's steering, and the vehicle's turn signals are in a closed state, includes:

[0069] When the control intent is detected to instruct the driver to steer the vehicle, and the vehicle's turn signal is off, the current road type is obtained; a first distance value is determined based on the current road type; and the vehicle's turn signal is automatically turned on when the distance between the vehicle and the road condition requiring the vehicle to steer is less than or equal to the first distance value.

[0070] In one example, the road type can be related to the speed at which vehicles are allowed to travel on the road, i.e., the road speed limit. For example, the road type can include highways, urban roads, rural roads, etc.

[0071] When the system detects a control intention instructing the driver to steer the vehicle, and the vehicle's turn signals are off, the system should automatically turn on the turn signals. This allows for further determination of when to turn on the turn signals.

[0072] In practical applications, the current road type can be obtained. The permitted driving speed for vehicles varies under different road types. A first distance value can then be determined based on the road type. This first distance value is the timing for turning on the turn signal. Thus, the vehicle's turn signal can be automatically turned on when the distance between the vehicle and the road condition requiring the vehicle to turn is less than or equal to the first distance value.

[0073] For example, if the current road type is a highway, the first distance is 500m, meaning the driver should be able to turn on the turn signal 500m in advance. If the current road type is a city road, the first distance is 150m, meaning the driver should be able to turn on the turn signal 150m in advance.

[0074] In one embodiment of the present invention, automatically turning on the vehicle's turn signals when the control intention is detected to instruct the driver to control the vehicle's steering, and the vehicle's turn signals are in a closed state, includes:

[0075] When the control intention is detected to instruct the driver to steer the vehicle, and the vehicle's turn signal is off, the current lane position is obtained; if the current lane position is not in the turning lane, a second distance value is determined; if the distance between the vehicle and the road condition requiring the vehicle to turn is less than or equal to the second distance value, the vehicle's turn signal is automatically turned on.

[0076] In some scenarios, there are multiple lanes on the road, and some lanes are far from the turning operation to be performed. For example, if a vehicle is about to make a right turn and is in the leftmost lane, in order to ensure the safety of the turn, the current lane position can be obtained. Then, the relative position between the current lane position and the road conditions where the vehicle needs to turn can be used to determine the distance between the current lane position and the road conditions where the vehicle needs to turn. Based on the relative position, a second distance value can be determined, which is the timing for turning on the turn signal.

[0077] For example, when making a turn, if the vehicle is not on the leftmost or rightmost lane, the system can verbally notify the driver to change lanes when the vehicle is less than or equal to the second distance value from the left / right turn intersection. Within a preset time after the voice broadcast, the system will proactively activate the turn signal to indicate to the driver that it is safe to change lanes. This prevents the driver from going to the wrong intersection due to distraction and also prevents the danger caused by the driver changing lanes suddenly and continuously, thus improving driving safety.

[0078] In one example, speed constraints could be added. For instance, on a highway, the turn signal would activate automatically when the distance is less than or equal to a distance value (either a first or second distance value) and the speed is greater than a first preset speed (e.g., 60 km / h); otherwise, it would not. Similarly, on urban roads, the turn signal would activate automatically when the distance is less than or equal to a distance value (either a first or second distance value) and the speed is greater than a first preset speed (e.g., 40 km / h); otherwise, it would not.

[0079] In one embodiment of the present invention, it further includes:

[0080] The turn signal is automatically turned off after a first preset time after the vehicle's turn signal is turned on.

[0081] In one example, the first preset duration can be 1.5 seconds.

[0082] After the vehicle's turn signal is turned on, the system can detect the duration of the turn signal being on. If the duration exceeds a first preset duration, the turn signal can be automatically turned off. If the system detects the driver's intention to control the vehicle's steering again within the first preset duration, the timer will reset. That is, the turn signal will be automatically turned off after the first preset duration following the last detection of the intention to control the vehicle's steering.

[0083] In this embodiment of the invention, by detecting the driver's control intention on the vehicle during vehicle operation, and automatically turning on the vehicle's turn signals when the control intention instructs the driver to steer the vehicle and the turn signals are in the off state, the automatic control of the turn signals based on the driver's control intention on the vehicle is realized, reducing the risk caused by forgetting to turn on the turn signals and improving driving safety.

[0084] The following combination Figure 5 The embodiments of the present invention are described by way of example:

[0085] Step 501: Obtain the same source signal for voice broadcasting in the navigation information;

[0086] Step 502: When the voice broadcast indicates that there are left turns, left front turns, U-turns, right turns, or right front turns at the intersection ahead, it is determined that the driver may have the intention to turn;

[0087] Step 503: Receive the signal from the BCM and read whether the turn signal has been turned on by the driver;

[0088] Step 504: If the driver has not turned on the turn signal, read the navigation information, determine the current road type, and turn on the turn signal according to the road information.

[0089] Step 505: Wait 1.5 seconds to prevent the turn signal from being activated for too short a time and failing to function.

[0090] Step 506: Instruct the BCM to turn off the turn signal for the driver.

[0091] The following combination Figure 6 The embodiments of the present invention are described by way of example:

[0092] Step 601: Obtain lane line information, lateral distance to the vehicle in front, and steering wheel angle from the perception system; it may also include the current vehicle speed.

[0093] Step 602: When the distance between the edge of the front wheel of the vehicle and the lane line is greater than 30cm, it is determined that the driver may have the intention to change lanes;

[0094] Step 603: Obtain the steering wheel angle through EPS and then calculate the integral. If the integral of the steering wheel angle is greater than the threshold, it is determined that the driver may have the intention to change lanes. This threshold decreases as the vehicle speed increases.

[0095] Step 604: Obtain the lateral distance of the vehicle in front using ADAS sensors. If the lateral distance of the vehicle in front is greater than the threshold, it is determined that the driver may intend to change lanes. If there is no vehicle in front, this step is ignored.

[0096] Step 605: Determine if the driver has turned on the turn signal;

[0097] Step 606: Notify the BCM to help the driver turn on the turn signal;

[0098] Step 607: Wait 1.5 seconds to prevent the turn signal from being on for too short a time and failing to function. If the above conditions are triggered again within 1.5 seconds, the timer will restart.

[0099] Step 608: After the driver completes the turn, the turn signal will be automatically turned off.

[0100] Reference Figure 7 The diagram illustrates a flowchart of another vehicle turn signal control method according to an embodiment of the present invention, which may specifically include the following steps:

[0101] Step 701: During the vehicle's operation, detect the status of the vehicle's turn signals.

[0102] During vehicle operation, sensors can collect the status of the vehicle's turn signals, i.e., whether the turn signals are on or off. The on status can be automatically activated by the turn signal assist system or manually activated by the user.

[0103] Step 702: When the turn signal is on, detect the driver's intention to control the vehicle.

[0104] When the turn signal is on, relevant data can be collected by sensors. Then, by analyzing the data, the driver's control intention for the vehicle can be determined. The control intention can include the intention to control the vehicle's steering, which can include controlling the vehicle to change lanes or turn.

[0105] In one embodiment of the present invention, detecting the driver's intention to control the vehicle includes:

[0106] Obtain the navigation information currently presented to the driver; when the navigation information indicates that there is a road condition ahead that requires the vehicle to turn, determine that the driver's intention to control the vehicle is to control the vehicle to turn.

[0107] In practical applications, the driving route can be determined based on the vehicle's current location and the input destination, generating navigation information which can then be presented to the driver while the vehicle is in motion. In one example, the navigation information can be presented to the driver via voice broadcast or display screen, but other methods can also be used.

[0108] While presenting navigation information to the driver, the turn signal assist system can also obtain the navigation information presented to the driver. In scenarios where the vehicle needs to turn, when the navigation information indicates that there is a road condition ahead that requires the vehicle to turn, it can be determined that the driver's intention to control the vehicle is to control the vehicle to turn, and the road condition that requires the vehicle to turn can be a road condition that requires the vehicle to turn.

[0109] In one example, the road conditions requiring a vehicle to turn could be a left turn, a left front turn, a U-turn, a right turn, or a right front turn at the intersection ahead, and of course, other road conditions could also be included.

[0110] During driving, if the driver selects a route through map navigation, the route is fixed, and the intersections where turns and U-turns are required are also fixed. This allows the system to identify road conditions ahead that require the vehicle to turn, thus determining whether a turn is necessary.

[0111] For example, a turn signal assist system can use navigation information to obtain the same source signal as the voice broadcast, thereby obtaining road conditions and determining whether the driver intends to turn. When the navigation information indicates that there is a left turn, left front turn, U-turn, right turn, or right front turn at the intersection ahead, the system reads the navigation information, determines that the driver's intention to control the vehicle is to turn, and then can turn on the turn signal.

[0112] In one example, the direction to turn can be determined based on navigation information, and then the turn signal corresponding to the direction of turn can be turned on. For example, if the navigation information indicates that a right turn is imminent, then the right turn signal can be turned on.

[0113] In one embodiment of the present invention, detecting the driver's intention to control the vehicle includes:

[0114] The system acquires the perception information and lateral speed of the vehicle; if the lateral speed is greater than a lateral speed threshold, it determines whether the vehicle is in a turning state based on the perception information; if the vehicle is in a turning state, it determines that the driver's control intention for the vehicle is to control the vehicle to turn.

[0115] In one example, the perceived information could be information collected by the vehicle through cameras, radar, etc.

[0116] In practical applications, the system can acquire the vehicle's sensory information and lateral velocity. It can then determine if the lateral velocity exceeds a threshold. If the lateral velocity exceeds the threshold, the system can determine whether the vehicle is in a turning state based on the sensory information. If the vehicle is turning, it can be determined that the driver's intention is to control the vehicle's direction.

[0117] Among them, the steering state, which is the current position and attitude of the vehicle, indicates that there is a high probability that the vehicle is turning. The steering state can be the lane change state, that is, changing the lane in which the vehicle is located.

[0118] In one embodiment of the present invention, determining whether the vehicle is in a turning state based on the perceived information includes:

[0119] When the perception information indicates that the lateral distance between the vehicle and the vehicle in front is greater than a lateral distance threshold, and / or when the perception information indicates that the distance the front wheels of the vehicle cross the lane line is greater than a crossing distance threshold, the vehicle is determined to be in a turning state.

[0120] In some implementations, the lateral distance between the vehicle (own vehicle) and the vehicle in front can be collected by vehicle-mounted equipment such as radar and cameras. Then, it can be determined whether the lateral distance is greater than a lateral distance threshold. If the lateral distance is greater than the lateral distance threshold, it can be determined that the vehicle is in a turning state.

[0121] In some implementations, the relative positions of the vehicle's front wheels and lane lines can be collected using vehicle-mounted equipment such as radar and cameras. When the distance by which the vehicle's front wheels cross the lane lines exceeds a threshold, such as 30cm, it can be determined that the vehicle is in a turning state.

[0122] Step 703: When the control intention is detected to instruct the driver to control the vehicle steering, the vehicle's turn signals are automatically turned off.

[0123] If the system detects that the driver intends to steer the vehicle, it can select a time and wait for the driver to complete steer before automatically turning off the vehicle's turn signal.

[0124] In one embodiment of the present invention, automatically turning off the vehicle's turn signals when the control intention instructs the driver to control the vehicle's steering includes:

[0125] When the control intention is detected to instruct the driver to control the vehicle steering, the heading angle is obtained; when the heading angle is less than the heading angle threshold, the status of the vehicle's turn signals is detected again; when the turn signals are detected to be on again, the vehicle's turn signals are automatically turned off after a second preset time.

[0126] As an example, the second preset duration can be 1.5 seconds.

[0127] If the driver is detected to have the intention to control the vehicle's steering, such as the intention to control the vehicle to turn, the heading angle can be further obtained. Then it can be determined whether the heading angle is less than the heading angle threshold. If the heading angle threshold is 0, and the heading angle is less than the heading angle threshold and the turn signal is on, it indicates that the vehicle has completed the steering operation but the driver has not turned off the turn signal. In this case, the turn signal can be automatically turned off after a second preset time.

[0128] It should be noted that when the turn signal is on, and the driver's intention to control the vehicle's steering is detected first, if the heading angle is less than the heading angle threshold, it indicates that the vehicle has completed the steering, rather than indicating that the steering has not started and the turn signal can be automatically turned off.

[0129] In one embodiment of the present invention, when the control intention is detected to instruct the driver to control the vehicle's steering, automatically turning off the vehicle's turn signals includes:

[0130] When the control intention is detected to instruct the driver to control the vehicle steering, the status of the vehicle's turn signal is detected again after a third preset time period; when the turn signal is detected to be on again, the vehicle's turn signal is automatically turned off after a fourth preset time period.

[0131] As an example, the third preset duration can be 2 seconds, and the fourth preset duration is 1.5 seconds.

[0132] If the driver is detected to have the intention to control the vehicle's steering, such as the intention to change lanes, the steering operation can usually be completed within a third preset time period. Then, the turn signal status can be detected again after the third preset time period. If the turn signal is detected to be on again, it indicates that the vehicle has completed the steering operation but the driver has not turned off the turn signal. Then, the turn signal can be automatically turned off after a fourth preset time period.

[0133] In this embodiment of the invention, by detecting the status of the vehicle's turn signals during vehicle operation, and detecting the driver's control intention when the turn signals are on, and automatically turning off the turn signals when the control intention instructs the driver to steer the vehicle, the system achieves automatic control of the turn signals based on the driver's control intention, reducing the risk caused by forgetting to turn off the turn signals and improving driving safety.

[0134] The following combination Figure 8 The embodiments of the present invention are described by way of example:

[0135] Step 801: Obtain the turn signal status via BCM;

[0136] Step 802: Determine if the turn signal is on;

[0137] Step 803: When the lateral speed exceeds the threshold, determine the driver's intention to change lanes.

[0138] Step 804: Determine if the camera can recognize the lane lines;

[0139] Step 805: When the camera can recognize the lane lines, if the distance between the edge of the front wheel of the vehicle and the lane line is greater than 30cm, it is determined that the driver intends to change lanes.

[0140] Step 806: Wait 2 seconds and use the BCM to determine if the turn signal is still on;

[0141] Step 807: Wait 1.5 seconds, then automatically turn off the turn signal for the driver;

[0142] Step 808: When the camera cannot recognize the lane lines, and when the lateral distance between the vehicle and the vehicle in front increases to a threshold, it is determined that the driver intends to change lanes.

[0143] Step 809: Wait 2 seconds, use BCM to determine if the turn signal is still on. If the above condition is triggered again within 2 seconds, restart the timer.

[0144] Step 810: Wait 1.5 seconds, and the turn signal will be automatically turned off for the driver. If the above conditions are triggered again within 1.5 seconds, the timer will restart.

[0145] The following combination Figure 9 The embodiments of the present invention are described by way of example:

[0146] Step 901: Obtain the turn signal status via BCM;

[0147] Step 902: Determine if the turn signal is on;

[0148] Step 903: When the voice broadcast indicates that there is one of the following directions ahead: left turn, left front, U-turn, right turn, or right front, it is determined that the driver may have the intention to turn.

[0149] Step 904: Determine if the heading angle is 0 at this time;

[0150] Step 905: Determine whether the turn signal is currently on using the BCM;

[0151] Step 906: Wait 1.5 seconds, then automatically turn off the turn signal for the driver;

[0152] It should be noted that, for the sake of simplicity, the method embodiments are all described as a series of actions. However, those skilled in the art should understand that the embodiments of the present invention are not limited to the described order of actions, because according to the embodiments of the present invention, some steps can be performed in other orders or simultaneously. Furthermore, those skilled in the art should also understand that the embodiments described in the specification are preferred embodiments, and the actions involved are not necessarily essential to the embodiments of the present invention.

[0153] An embodiment of the present invention provides a vehicle turn signal control device, the device being used for:

[0154] During vehicle operation, the driver's intention to control the vehicle is detected.

[0155] When the control intent is detected to instruct the driver to steer the vehicle, and the vehicle's turn signals are off, the vehicle's turn signals are automatically turned on.

[0156] In one embodiment of the present invention, detecting the driver's intention to control the vehicle includes:

[0157] Obtain the navigation information currently being presented to the driver;

[0158] When the navigation information indicates that there is a road condition ahead that requires the vehicle to turn, it is determined that the driver's intention to control the vehicle is to control the vehicle to turn.

[0159] In one embodiment of the present invention, automatically turning on the vehicle's turn signals when the control intention is detected to instruct the driver to control the vehicle's steering, and the vehicle's turn signals are in a closed state, includes:

[0160] When the control intent is detected to instruct the driver to steer the vehicle, and the vehicle's turn signals are off, the current road type is obtained;

[0161] Determine the first distance value based on the current road type;

[0162] When the distance between the vehicle and the road condition requiring the vehicle to turn is less than or equal to the first distance value, the vehicle's turn signal is automatically turned on.

[0163] In one embodiment of the present invention, automatically turning on the vehicle's turn signals when the control intention is detected to instruct the driver to control the vehicle's steering, and the vehicle's turn signals are in a closed state, includes:

[0164] When the control intent is detected to instruct the driver to steer the vehicle, and the vehicle's turn signal is off, the current lane position is obtained;

[0165] If the current lane position is not in the turning lane, a second distance value is determined;

[0166] When the distance between the vehicle and the road condition requiring the vehicle to turn is less than or equal to the second distance value, the vehicle's turn signal is automatically turned on.

[0167] In one embodiment of the present invention, detecting the driver's intention to control the vehicle includes:

[0168] Acquire the perception information and steering wheel angle collected by the vehicle;

[0169] Based on the perceived information, it is determined whether the vehicle is in a turning state;

[0170] When the vehicle is in a turning state and the steering wheel angle is greater than a turning angle threshold, it is determined that the driver's intention to control the vehicle is to control the vehicle to turn.

[0171] In one embodiment of the present invention, determining whether the vehicle is in a turning state based on the perceived information includes:

[0172] When the perception information indicates that the lateral distance between the vehicle and the vehicle in front is greater than a lateral distance threshold, and / or when the perception information indicates that the distance the front wheels of the vehicle cross the lane line is greater than a crossing distance threshold, the vehicle is determined to be in a turning state.

[0173] In one embodiment of the present invention, the turning angle threshold is negatively correlated with the vehicle speed.

[0174] In one embodiment of the present invention, it further includes:

[0175] The turn signal is automatically turned off after a first preset time after the vehicle's turn signal is turned on.

[0176] In this embodiment of the invention, by detecting the driver's control intention on the vehicle during vehicle operation, and automatically turning on the vehicle's turn signals when the control intention instructs the driver to steer the vehicle and the turn signals are in the off state, the automatic control of the turn signals based on the driver's control intention on the vehicle is realized, reducing the risk caused by forgetting to turn on the turn signals and improving driving safety.

[0177] Another vehicle turn signal control device provided in an embodiment of the present invention, the device being used for:

[0178] While the vehicle is in motion, the status of the vehicle's turn signals is detected;

[0179] When the turn signal is on, the driver's intention to control the vehicle is detected;

[0180] When the control intent is detected to instruct the driver to steer the vehicle, the vehicle's turn signals are automatically turned off.

[0181] In one embodiment of the present invention, detecting the driver's intention to control the vehicle includes:

[0182] Obtain the navigation information currently being presented to the driver;

[0183] When the navigation information indicates that there is a road condition ahead that requires the vehicle to turn, it is determined that the driver's intention to control the vehicle is to control the vehicle to turn.

[0184] In one embodiment of the present invention, automatically turning off the vehicle's turn signals when the control intention instructs the driver to control the vehicle's steering includes:

[0185] When the control intent is detected to instruct the driver to steer the vehicle, the heading angle is obtained;

[0186] When the heading angle is less than the heading angle threshold, the status of the vehicle's turn signals is detected again;

[0187] When the turn signal is detected to be on again, the vehicle's turn signal will be automatically turned off after a second preset time.

[0188] In one embodiment of the present invention, detecting the driver's intention to control the vehicle includes:

[0189] Acquire the sensor information and lateral speed collected by the vehicle;

[0190] If the lateral speed is greater than the lateral speed threshold, it is determined whether the vehicle is in a turning state based on the perception information.

[0191] When the vehicle is in a turning state, it is determined that the driver's intention to control the vehicle is to control the vehicle to turn.

[0192] In one embodiment of the present invention, determining whether the vehicle is in a turning state based on the perceived information includes:

[0193] When the perception information indicates that the lateral distance between the vehicle and the vehicle in front is greater than a lateral distance threshold, and / or when the perception information indicates that the distance the front wheels of the vehicle cross the lane line is greater than a crossing distance threshold, the vehicle is determined to be in a turning state.

[0194] In one embodiment of the present invention, when the control intention is detected to instruct the driver to control the vehicle's steering, automatically turning off the vehicle's turn signals includes:

[0195] When the control intention is detected to instruct the driver to control the vehicle steering, the status of the vehicle's turn signals is detected again after a third preset time period;

[0196] When the turn signal is detected to be on again, the vehicle's turn signal will be automatically turned off after a fourth preset time period.

[0197] In this embodiment of the invention, by detecting the status of the vehicle's turn signals during vehicle operation, and detecting the driver's control intention when the turn signals are on, and automatically turning off the turn signals when the control intention instructs the driver to steer the vehicle, the system achieves automatic control of the turn signals based on the driver's control intention, reducing the risk caused by forgetting to turn off the turn signals and improving driving safety.

[0198] An embodiment of the present invention also provides an electronic device, which may include a processor, a memory, and a computer program stored in the memory and capable of running on the processor. When the computer program is executed by the processor, it implements the above-mentioned vehicle turn signal control method.

[0199] An embodiment of the present invention also provides a computer-readable storage medium storing a computer program, which, when executed by a processor, implements the above-described vehicle turn signal control method.

[0200] As the device embodiment is basically similar to the method embodiment, the description is relatively simple, and relevant parts can be found in the description of the method embodiment.

[0201] It should be noted that the user information (including but not limited to user device information, user personal information, etc.) and data (including but not limited to data used for analysis, data stored, data displayed, etc.) involved in this application are all information and data authorized by the user or fully authorized by all parties. Furthermore, the collection, use and processing of the relevant data must comply with the relevant laws, regulations and standards of the relevant countries and regions, and corresponding operation portals are provided for users to choose to authorize or refuse.

[0202] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0203] Those skilled in the art will understand that embodiments of the present invention can be provided as methods, apparatus, or computer program products. Therefore, embodiments of the present invention can take the form of entirely hardware embodiments, entirely software embodiments, or embodiments combining software and hardware aspects. Furthermore, embodiments of the present invention can take the form of computer program products implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0204] This invention is described with reference to flowchart illustrations and / or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the invention. It will be understood that each block of the flowchart illustrations and / or block diagrams, and combinations of blocks in the flowchart illustrations and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, special-purpose computer, embedded processor, or other programmable data processing terminal device to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal device, generate instructions for implementing the flowchart illustrations and / or block diagrams. Figure 1 One or more processes and / or boxes Figure 1 A device that provides the functions specified in one or more boxes.

[0205] These computer program instructions may also be stored in a computer-readable storage medium that can direct a computer or other programmable data processing terminal device to operate in a particular manner, such that the instructions stored in the computer-readable storage medium produce an article of manufacture including instruction means, which are implemented in a process Figure 1 One or more processes and / or boxes Figure 1 The function specified in one or more boxes.

[0206] These computer program instructions can also be loaded onto a computer or other programmable data processing terminal equipment, causing a series of operational steps to be performed on the computer or other programmable terminal equipment to produce a computer-implemented process, thereby providing instructions that execute on the computer or other programmable terminal equipment for implementing the process. Figure 1 One or more processes and / or boxes Figure 1 The steps of the function specified in one or more boxes.

[0207] Although preferred embodiments of the present invention have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of the embodiments of the present invention.

[0208] Finally, it should be noted that in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or terminal device that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or terminal device. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or terminal device that includes the aforementioned element.

[0209] The above provides a detailed description of a vehicle turn signal control method, device, equipment, and medium. Specific examples have been used to illustrate the principles and implementation methods of the invention. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core ideas of the invention. At the same time, those skilled in the art will recognize that, based on the ideas of the invention, there will be changes in the specific implementation methods and application scope. Therefore, the content of this specification should not be construed as a limitation of the invention.

Claims

1. A method for controlling vehicle turn signals, characterized in that, The method includes: During vehicle operation, the driver's intention to control the vehicle is detected. When the control intention is detected to instruct the driver to control the vehicle steering, and the vehicle's turn signals are in the off state, the vehicle's turn signals are automatically turned on; When the control intention is detected to instruct the driver to steer the vehicle, and the vehicle's turn signal is off, the current lane position is obtained; if the current lane position is not in the turning lane, a second distance value is determined; if the distance between the vehicle and the road condition requiring the vehicle to turn is less than or equal to the second distance value, the vehicle's turn signal is automatically turned on. When the control intention is detected to instruct the driver to control the vehicle steering, the heading angle is obtained; when the heading angle is less than the heading angle threshold, the status of the vehicle's turn signals is detected again; when the turn signals are detected to be on again, the vehicle's turn signals are automatically turned off after a second preset time.

2. The method of claim 1, wherein, The detection of the driver's intention to control the vehicle includes: Obtain the navigation information currently being presented to the driver; When the navigation information indicates that there is a road condition ahead that requires the vehicle to turn, it is determined that the driver's intention to control the vehicle is to control the vehicle to turn.

3. The method of claim 2, wherein, The step of automatically turning on the vehicle's turn signals when the control intention instructs the driver to control the vehicle's steering, and the vehicle's turn signals are in the off state, includes: When the control intent is detected to instruct the driver to steer the vehicle, and the vehicle's turn signals are off, the current road type is obtained; Determine the first distance value based on the current road type; When the distance between the vehicle and the road condition requiring the vehicle to turn is less than or equal to the first distance value, the vehicle's turn signal is automatically turned on.

4. The method of claim 1, wherein, The detection of the driver's intention to control the vehicle includes: Acquire the perception information and steering wheel angle collected by the vehicle; Based on the perceived information, it is determined whether the vehicle is in a turning state; When the vehicle is in a turning state and the steering wheel angle is greater than a turning angle threshold, it is determined that the driver's intention to control the vehicle is to control the vehicle to turn.

5. The method of claim 4, wherein, The step of determining whether the vehicle is in a turning state based on the perceived information includes: When the perception information indicates that the lateral distance between the vehicle and the vehicle in front is greater than a lateral distance threshold, and / or when the perception information indicates that the distance the front wheels of the vehicle cross the lane line is greater than a crossing distance threshold, the vehicle is determined to be in a turning state.

6. The method of claim 4, wherein, The turning angle threshold is negatively correlated with the vehicle speed.

7. The method according to any one of claims 1 to 6, characterized in that, Also includes: The turn signal is automatically turned off after a first preset time after the vehicle's turn signal is turned on.

8. A control method of a vehicle winker, characterized in that, The method includes: While the vehicle is in motion, the status of the vehicle's turn signals is detected; When the turn signal is on, the driver's intention to control the vehicle is detected; When the control intention is detected to instruct the driver to steer the vehicle, the vehicle's turn signals are automatically turned off; When the control intention is detected to instruct the driver to steer the vehicle, and the vehicle's turn signal is off, the current lane position is obtained; if the current lane position is not in the turning lane, a second distance value is determined; if the distance between the vehicle and the road condition requiring the vehicle to turn is less than or equal to the second distance value, the vehicle's turn signal is automatically turned on. When the control intention is detected to instruct the driver to control the vehicle steering, the heading angle is obtained; when the heading angle is less than the heading angle threshold, the status of the vehicle's turn signals is detected again; when the turn signals are detected to be on again, the vehicle's turn signals are automatically turned off after a second preset time.

9. The method of claim 8, wherein, The detection of the driver's intention to control the vehicle includes: Obtain the navigation information currently being presented to the driver; When the navigation information indicates that there is a road condition ahead that requires the vehicle to turn, it is determined that the driver's intention to control the vehicle is to control the vehicle to turn.

10. The method of claim 9, wherein, The step of automatically turning off the vehicle's turn signals when the control intention instructs the driver to control the vehicle's steering includes: When the control intent is detected to instruct the driver to steer the vehicle, the heading angle is obtained; When the heading angle is less than the heading angle threshold, the status of the vehicle's turn signals is detected again; When the turn signal is detected to be on again, the vehicle's turn signal will be automatically turned off after a second preset time.

11. The method of claim 8, wherein, The detection of the driver's intention to control the vehicle includes: Acquire the sensor information and lateral speed collected by the vehicle; If the lateral speed is greater than the lateral speed threshold, it is determined whether the vehicle is in a turning state based on the perception information. When the vehicle is in a turning state, it is determined that the driver's intention to control the vehicle is to control the vehicle to turn.

12. The method of claim 11, wherein, The step of determining whether the vehicle is in a turning state based on the perceived information includes: When the perception information indicates that the lateral distance between the vehicle and the vehicle in front is greater than a lateral distance threshold, and / or when the perception information indicates that the distance the front wheels of the vehicle cross the lane line is greater than a crossing distance threshold, the vehicle is determined to be in a turning state.

13. The method according to any one of claims 11 to 12, characterized in that, When the control intention is detected to instruct the driver to control the vehicle's steering, the vehicle's turn signals are automatically turned off, including: When the control intention is detected to instruct the driver to control the vehicle steering, the status of the vehicle's turn signals is detected again after a third preset time period; When the turn signal is detected to be on again, the vehicle's turn signal will be automatically turned off after a fourth preset time period.

14. An electronic device, comprising: It includes a processor, a memory, and a computer program stored in the memory and capable of running on the processor, wherein the computer program, when executed by the processor, implements the vehicle turn signal control method as described in any one of claims 1 to 13.

15. A vehicle characterized by comprising: It includes a processor, a memory, and a computer program stored in the memory and capable of running on the processor, wherein the computer program, when executed by the processor, implements the vehicle turn signal control method as described in any one of claims 1 to 13.

16. A computer-readable storage medium, characterized in that, The computer readable storage medium stores a computer program, and the computer program is executed by the processor to implement the control method of the vehicle turn signal according to any one of claims 1 to 13.

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