CN112550296A - Driving assistance system, method, and medium for vehicle, and vehicle - Google Patents
Driving assistance system, method, and medium for vehicle, and vehicle Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 238000011156 evaluation Methods 0.000 claims abstract description 14
- 230000004044 response Effects 0.000 claims abstract description 8
- 238000004590 computer program Methods 0.000 claims description 11
- 230000002123 temporal effect Effects 0.000 claims description 7
- 230000004913 activation Effects 0.000 claims description 5
- 230000000007 visual effect Effects 0.000 claims description 5
- 239000000446 fuel Substances 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 4
- 238000004891 communication Methods 0.000 description 15
- 230000000875 corresponding effect Effects 0.000 description 6
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- 230000001133 acceleration Effects 0.000 description 2
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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
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/02—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to ambient conditions
- B60W40/04—Traffic conditions
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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
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/10—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to vehicle motion
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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
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
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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
- B60W2420/00—Indexing codes relating to the type of sensors based on the principle of their operation
- B60W2420/40—Photo or light sensitive means, e.g. infrared sensors
- B60W2420/403—Image sensing, e.g. optical camera
Abstract
A driving assistance system for a vehicle, a vehicle and corresponding methods and storage media are provided. The system comprises: a detection unit that detects whether a running state of a current vehicle indicates that there is an overtaking intention; the evaluation unit is used for determining whether the proximity of the current vehicle position and a node of a front vehicle driving away from a current road is within a threshold value according to the current vehicle and a planned route of the front vehicle; and a reminding unit, which provides a reminding signal in response to detecting that the running state of the current vehicle indicates that the current vehicle has the overtaking intention and determining that the proximity of the position of the current vehicle and the node of the front vehicle running away from the current road is within a threshold value. By utilizing the scheme of the invention, the driver can be informed of not needing to overtake under the condition that the vehicle in front can quickly drive away from the current road, so that the overtake safety is improved on one hand, and the problems of extra consumption of fuel and/or electric power, fatigue of the driver, reduction of riding experience and the like which are accompanied by overtake are also reduced on the other hand.
Description
Technical Field
The present invention relates to the field of vehicle technology, and more particularly, to a driving assistance system for a vehicle, a vehicle including the same, and a corresponding method and computer-readable storage medium.
Background
During driving, it is common for drivers to drive vehicles to overtake in order to get to their destination as soon as possible, or for other reasons. However, overtaking often comes with various risks, such as a collision with a preceding vehicle or other objects. In addition, overtaking is accompanied by additional consumption of fuel and/or electricity, fatigue of the driver, and a reduction in riding experience, among others. Solutions related to overtaking exist in the prior art. However, all of these solutions focus on safety assessment to ensure safe driving. And, in fact, there is also such a case: a vehicle in front may leave the current road within a short distance in front (e.g. within 100 meters), i.e. its route will deviate from the route of the current vehicle. In this case, overtaking becomes unnecessary, with little benefit.
Therefore, there is a need in the art for a technical solution that can determine whether there is a need to overtake a vehicle according to the current driving route of the vehicle and the vehicle ahead of the current vehicle, and send out a warning signal that the driver does not need to overtake the vehicle when determining that the driver has an intention to overtake the vehicle but at the same time determines that the driver does not need to overtake the vehicle.
Disclosure of Invention
In order to solve the technical problem, the invention provides a technical scheme which can correspondingly remind a driver of unnecessary overtaking when the driver overtakes according to the judgment of unnecessary overtaking. The invention improves the driving safety on one hand, and also reduces the problems of extra fuel and/or electric power consumption, fatigue of a driver, reduction of riding experience and the like which are accompanied by overtaking on the other hand.
Specifically, according to a first aspect of the present invention, there is provided a driving assistance system for a vehicle, the system including:
a detection unit configured to detect whether a running state of a current vehicle indicates that the current vehicle has an intention to cut in;
an evaluation unit configured to determine whether a proximity of a position of the current vehicle to a node where the vehicle ahead drives off the current road is within a threshold value according to a planned route of the current vehicle and the vehicle ahead; and a reminding unit configured to provide a reminding signal in response to the detection unit detecting that the running state of the current vehicle indicates that the current vehicle has an overtaking intention and the evaluation unit determining that the position of the current vehicle is within a threshold value of the proximity of the front vehicle to a node of the current road.
In one embodiment, the proximity of the location of the current vehicle to the node where the vehicle in front drives off the current road is a temporal proximity and/or a distance proximity.
In one embodiment, the detection unit detects whether the current vehicle has an intention to cut in by one or more of: turn signal activation, steering wheel turning and accelerating through large angles, and/or movement of the current vehicle side position on the lane markings.
In one embodiment, the system further includes an image capturing unit configured to capture an image of the preceding vehicle, and an image recognizing unit configured to recognize vehicle identification information of the preceding vehicle based on the image of the preceding vehicle captured by the image capturing unit, thereby recognizing the preceding vehicle.
In one embodiment, the alert unit provides a visual, audible and/or tactile signal.
According to a second aspect of the invention, there is provided a vehicle comprising the system of the first aspect of the invention.
According to a third aspect of the present invention, there is provided a driving assistance method for a vehicle, the method including:
detecting whether the running state of the current vehicle indicates that the current vehicle has an overtaking intention;
determining whether the proximity of the position of the current vehicle and a node of the front vehicle driving away from the current road is within a threshold value according to the planned routes of the current vehicle and the front vehicle; and
in response to detecting that the travel state of the current vehicle indicates that there is an intent to cut-in by the current vehicle and determining that the proximity of the location of the current vehicle to a node where a preceding vehicle is driving off the current road is within a threshold, a reminder signal is provided.
In one embodiment, the proximity of the location of the current vehicle to the node where the vehicle in front drives off the current road is a temporal proximity and/or a distance proximity.
In one embodiment, the presence of an intent to cut-in is detected by one or more of the following: turn signal activation, steering wheel turning and accelerating through large angles, and/or movement of the current vehicle side position on the lane markings.
In one embodiment, the method further comprises: an image of a preceding vehicle is captured, and vehicle identification information of the preceding vehicle is recognized based on the captured image of the preceding vehicle, thereby recognizing the preceding vehicle.
In one embodiment, the alert signal is a visual, audible and/or tactile signal.
According to a fourth aspect of the invention, there is provided a computer-readable storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the method of the third aspect of the invention.
With the scheme of the invention, the driver can be informed of no need to overtake (or less worthwhile to overtake) under the condition that the vehicle in front is known to soon leave the current road (for example, turn around, exit). This improves the safety of overtaking, and reduces the additional fuel and/or power consumption, driver fatigue and ride experience reduction problems associated with overtaking.
Drawings
Non-limiting and non-exhaustive embodiments of the present invention are described by way of example with reference to the following drawings, in which:
fig. 1 is a schematic diagram showing a driving assistance system for a vehicle according to an embodiment of a first aspect of the invention.
Fig. 2 is a schematic view showing a driving assistance method for a vehicle according to an embodiment of a third aspect of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Before describing the system and method of the present invention in detail, a brief description of the environment in which the system and method of the present invention can be implemented will first be provided.
The implementation of the invention relies on vehicular (V2V) and/or internet of vehicles (V2X) communication. Those skilled in the art will appreciate that the V2V network or the V2X network may be based on various communication technologies such as, but not limited to, Wi-Fi, bluetooth, mobile networks, etc.
Specifically, the vehicle may communicate with one or more other vehicles in its surroundings via V2V communication. In other words, the vehicle may form a V2V communication network with one or more vehicles around it. V2V communication refers to wireless-based data transmission between motor vehicles. For example, to prevent an accident or for other purposes, a vehicle may transmit its current position and speed information to other vehicles around it through the V2V communication network and/or receive vehicle position and speed information transmitted from other vehicles around it, whereby each other's related information may be known in real time. After receiving the warning from the other vehicle, the driver may make a corresponding action, or the vehicle (for an autonomous vehicle or a vehicle having an autonomous vehicle mode) itself may take autonomous measures, such as acceleration, deceleration, steering, etc., thereby reducing the risk of an accident. In some embodiments, vehicles in the V2V communication network may exchange various relevant information, such as vehicle identification information, e.g., license plate number, partial or full route, and/or trip, through V2V communications, or inform other vehicles in the network of their particular actions, e.g., parking (e.g., due to vehicle failure), turning right at an intersection, or exiting an exit, etc. In summary, a current vehicle may transmit its driving information and/or status information to other vehicles in the network via V2V communication, and may also receive driving information and/or status information from other vehicles in the network via V2V communication, wherein the driving information may include, for example, vehicle identification information such as license plate number, partial or entire route, trip, etc., and the status information may include, for example, its specific actions, such as parking (e.g., due to vehicle failure), turning right at an intersection, driving out of an exit, etc.
Instead of or in addition to V2V communication, the vehicle may also communicate with other vehicles in the network through a V2X network. The V2X network includes at least one base station (or central server) through which all vehicles in the network communicate with other vehicles. In some embodiments of the invention, the network further comprises a central server (or base station) by which vehicles communicate with one or more vehicles in their surroundings.
The driving assistance system for a vehicle, the method thereof, and the related computer-readable storage medium of the present invention are described in detail below.
According to a first aspect of the present invention, a driving assistance system for a vehicle is provided. Fig. 1 shows a schematic diagram of a driving assistance system 100 for a vehicle according to an embodiment of the first aspect of the invention. The exemplary driving assistance system 100 includes a detection unit 110, an evaluation unit 120, and a reminder unit 130.
The detection unit 110 may be configured to detect whether the driving state of the current vehicle indicates that there is an intention to cut-in for the current vehicle. The driving state of the vehicle is various and includes vehicle start, acceleration driving, constant speed driving, deceleration driving, lane change, parking, and the like. The detection unit 110 may detect whether the driving state of the current vehicle indicates that the current vehicle has the overtaking intention in various ways, for example, one or more of the following: turn signal activation, steering wheel turning and accelerating at large angles, and/or the side position of the current vehicle moving on a lane marker, etc. For example, in one example, if the detection unit 110 detects that the left turn signal of the vehicle is activated and the left body of the vehicle is crossing a lane marking, it may be determined that there is an intention to cut in the vehicle.
The detection unit 110 may also be configured to identify a preceding vehicle. The identification of the leading vehicle by the detection unit 110 may be achieved in various ways. For example, in some embodiments, the detection unit 110 may identify vehicles within a set distance ahead of the road within the network through V2V or V2X communications. As described above, vehicles within the network may exchange each other's current location information (e.g., in the form of geographic location coordinates) over a V2V or V2X communication network. To this end, the detection unit 110 may detect one or more other vehicles within a distance (e.g., 50, 100, or 150 meters, etc.) set in front of the road within the network, and identify a vehicle ahead of the current vehicle according to position information of the one or more other vehicles with respect to the current vehicle. For another example, in other embodiments, information associated with a preceding vehicle, including driving information and/or status information as described above, may be obtained via vehicle identification information, such as a license plate number, of the preceding vehicle. In such an embodiment, the detection unit 110 may include an image capturing unit configured to capture an image of a vehicle ahead of the current vehicle, and an image recognizing unit configured to recognize vehicle identification information of the vehicle ahead, such as a license plate number, based on the image of the vehicle ahead captured by the image capturing unit, thereby recognizing the vehicle ahead. The image capturing unit may be any image capturing device (e.g. a camera) capable of capturing a single image frame or a plurality of consecutive image frames (e.g. video) and may be arranged in any position in the current vehicle that is capable/convenient to capture an image of the vehicle in front, e.g. at the front windscreen of the current vehicle. The image capturing unit is communicably connected with the image recognizing unit, thereby transmitting the captured image of the preceding vehicle to the image recognizing unit for recognizing the vehicle identification information of the preceding vehicle, such as the license plate number, in the image, thereby recognizing the preceding vehicle. It is understood that the image acquisition unit and the image recognition unit may be two units independent of each other, but may also be separate units integrated into one. In the above described embodiment the image acquisition unit and the image recognition unit are arranged on the detection unit 110, but it should be understood that they may also be arranged on the system 100 as separate parts.
The evaluation unit 120 may be configured to determine whether the proximity between the current position of the current vehicle and a node where the vehicle in front drives off the current road is within a threshold value from the planned routes of the current vehicle and the vehicle in front.
As previously mentioned, the implementation of the present invention requires implementation in the context of V2V and/or V2X communication networks. Through the V2V and/or V2X communication networks, the current vehicle and the preceding vehicle may exchange their driving information (e.g., vehicle identification information such as license plate number, travel, planned route (including partially planned route and full-length planned route)) and/or status information (e.g., stopped (e.g., due to vehicle failure), turned right at an intersection, driven out of an exit) between each other. Based on this network, it is possible to identify the preceding vehicle and obtain status information of the preceding vehicle, such as the next step of planning the route. In this context, the evaluation unit 120 may determine whether the proximity of the current position of the current vehicle to the node where the vehicle in front drives off the current road is within a threshold value from the planned routes of the current vehicle and the vehicle in front obtained through the network.
In particular, the evaluation unit 120 may be configured to learn, via the network (more specifically, via a planned route transmitted via the network), the node at which the vehicle in front is driven off the current road, and to determine whether the proximity of the current location of the current vehicle to the node at which the vehicle in front is driven off the current road is within a threshold value. Unlike the prior art in which risk reminding is performed based on the distance between the current vehicle and the vehicle ahead, in the present invention, evaluation of whether it is necessary to overtake and corresponding reminding are performed based on the distance/proximity between the position of the current vehicle and the node at which the vehicle ahead travels away from the current road. From another perspective, the assessment of whether overtaking is necessary and the corresponding reminder may be made based on the extent to which the current vehicle overlaps the preceding vehicle within a certain travel distance (the end of the overlap indicating that the current vehicle and the preceding vehicle are separated, indicating that after the certain travel distance the preceding vehicle potentially no longer constitutes the preceding vehicle of the current vehicle). In some embodiments, the proximity of the location of the current vehicle to the node where the vehicle in front driven off the current road may be a temporal proximity and/or a distance toProximity. That is, proximity may be measured in time and/or distance. The term "temporal proximity" refers to the length of time it takes for the current vehicle to travel from the current position to the node where the preceding vehicle travels away from the current road, and the term "distance proximity" refers to the length of distance from the current position of the current vehicle to the node where the preceding vehicle travels away from the current road. Thus, determining whether the proximity between the current location of the current vehicle and the node at which the preceding vehicle driven off the current road is within the threshold may comprise: determining whether a distance L between a current position of the current vehicle and a node at which the preceding vehicle is driven away from the current road is less than or equal to a preset distance length threshold LTh; and/or determining whether the time T taken by the current vehicle to travel from the current position to the node where the vehicle ahead travels off the current road is less than or equal to a preset time length threshold TTh. Those skilled in the art know that the calculation of the time T taken to travel from the current position of the current vehicle to the node where the vehicle in front is driven off the current road may be based on the speed of the current vehicle, the speed limit of the road segment, and/or traffic conditions, etc. At the same time, the time length threshold T may also be adjusted based on the speed of the vehicle, the speed limit of the road segment, and/or the traffic situation, etcTh。
The alert unit 130 is communicatively connected with the detection unit 110 and the evaluation unit 120, and is configured to provide an alert signal in response to the detection unit 110 detecting that the driving status of the current vehicle indicates that there is an intention to cut in the current vehicle, and the evaluation unit 120 determining that the proximity between the current location of the current vehicle and the node where the preceding vehicle drives off the current road is within a threshold. In particular, when the evaluation unit 120 determines that the proximity between the current location of the current vehicle and the node at which the preceding vehicle is driving off the current road is within a threshold value, this indicates that the preceding vehicle will soon be driving off the road on which the current vehicle is driving, and will soon no longer constitute the preceding vehicle (relative to the current vehicle). At this time, it is obviously unnecessary or not worthwhile to overtake the vehicle ahead, so the reminding unit 130 can correspondingly remind the driver of unnecessary overtaking based on the evaluation result. The driver may also be alerted without overtaking in a variety of ways, such as visually, audibly, and/or tactilely. For example, the text "without passing, the vehicle is about to leave the current road" may be displayed on the in-vehicle display and/or played in a corresponding voice. In some embodiments of the invention, speed recommendations may also be given based on the proximity of the current location of the current vehicle to the node where the vehicle in front is driving off the current road, for example to recommend slowing down to accommodate the cadence of the node where the vehicle in front is driving off the current road. For example, if it is determined that the preceding vehicle is driven out of the exit to the right at 150 meters ahead, it is recommended that the current vehicle decelerate early, thereby improving safety.
According to a second aspect of the invention, there is provided a vehicle including the driving assistance system for a vehicle according to the first aspect described above.
According to a third aspect of the present invention, there is provided a driving assistance method for a vehicle. Fig. 2 shows a schematic diagram of a driving assistance method 200 for a vehicle according to an embodiment of the third aspect of the invention. As shown, the method 200 includes:
s210: detecting whether the running state of the current vehicle indicates that the current vehicle has an overtaking intention;
s220: determining whether the proximity of the position of the current vehicle and a node of the front vehicle driving away from the current road is within a threshold value according to the planned routes of the current vehicle and the front vehicle; and
s230: in response to detecting that the travel state of the current vehicle indicates that there is an intent to cut-in by the current vehicle and determining that the proximity of the location of the current vehicle to a node where a preceding vehicle is driving off the current road is within a threshold, a reminder signal is provided.
It is to be understood that the above description of the driving assistance system 100 for a vehicle of the first aspect of the invention is applicable to various aspects of the driving assistance method 200 for a vehicle of the second aspect of the invention. For example, in the method, the proximity of the position of the current vehicle to a node where the preceding vehicle drives off the current road is a temporal proximity and/or a distance proximity; in the method, whether the current vehicle has the overtaking intention or not is detected through one or more of the following modes: starting a steering lamp, rotating and accelerating a steering wheel by a large angle, and/or moving the side position of the current vehicle on a lane mark; in the method, further comprising acquiring an image of the preceding vehicle, recognizing vehicle identification information of the preceding vehicle based on the acquired image of the preceding vehicle, thereby recognizing the preceding vehicle; in the method, the alert signal is a visual, audible and/or tactile signal.
The fourth aspect of the present invention also provides a computer readable storage medium having stored thereon a computer program which, when executed by a processor, performs the method of the third aspect of the present invention. For example, the computer program, when executed by a processor, is capable of instructing the processor and/or the respective component to carry out the steps of: detecting whether the running state of the current vehicle indicates that the current vehicle has an overtaking intention; determining whether the proximity of the position of the current vehicle and a node of the front vehicle driving away from the current road is within a threshold value according to the planned routes of the current vehicle and the front vehicle; and providing a reminder signal in response to detecting that the driving status of the current vehicle indicates that the current vehicle has an intention to cut in and determining that the proximity of the location of the current vehicle to a node where a vehicle in front drives off the current road is within a threshold.
In the present invention, the vehicle may be a conventional vehicle, and may also be an autonomous vehicle or a vehicle having an autonomous driving mode.
In addition, it should be understood that each unit in the driving assistance system 100 for a vehicle described above may be entirely or partially implemented by software, hardware, and a combination thereof. The units can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the units.
In an embodiment, a computer device is provided, comprising a memory and a processor, the memory having stored thereon a computer program operable on the processor, the processor implementing the steps of the method in any of the above embodiments when executing the computer program. The computer device may be a server or a vehicle-mounted terminal. The computer device includes a processor, a memory, a network interface, and a database connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program, and a database. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program is executed by a processor to implement the driving assistance method for a vehicle of the invention.
Those skilled in the art will appreciate that the schematic diagram of the driving assistance system 100 and related components for a vehicle shown in fig. 1 is merely a schematic block diagram of a portion of the structure associated with the present application, and does not constitute a limitation on the system to which the present application is applied, and a particular system may include more or less components than shown in the drawings, or combine certain components, or have a different arrangement of components.
It will be understood by those skilled in the art that all or part of the steps in implementing the methods according to the above embodiments of the present invention may be instructed to be performed by the relevant hardware by a computer program, which may be stored in a non-volatile computer-readable storage medium, and which, when executed, may include the steps of the above embodiments of the methods. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
While the present invention has been described in connection with the embodiments, it is to be understood by those skilled in the art that the foregoing description and drawings are merely illustrative and not restrictive of the broad invention, and that this invention not be limited to the disclosed embodiments. Various modifications and variations are possible without departing from the spirit of the invention.
Claims (12)
1. A driving assistance system for a vehicle, characterized by comprising:
a detection unit configured to detect whether a running state of a current vehicle indicates that the current vehicle has an intention to cut in;
an evaluation unit configured to determine whether a proximity of a position of the current vehicle to a node where the vehicle ahead drives off the current road is within a threshold value according to a planned route of the current vehicle and the vehicle ahead; and
a reminding unit configured to provide a reminding signal in response to the detection unit detecting that the running state of the current vehicle indicates that the current vehicle has an intention to cut in, and the evaluation unit determining that the position of the current vehicle is within a threshold value of the proximity of the front vehicle to a node of the current road.
2. The system of claim 1, wherein the proximity of the location of the current vehicle to a node where a vehicle in front drives off the current road is a temporal proximity and/or a distance proximity.
3. The system according to claim 1 or 2, wherein the detection unit detects whether the current vehicle has an intention to cut in by one or more of: turn signal activation, steering wheel turning and accelerating through large angles, and/or movement of the current vehicle side position on the lane markings.
4. The system according to claim 1 or 2, characterized in that the system further comprises: an image capturing unit configured to capture an image of a preceding vehicle, and an image recognizing unit configured to recognize vehicle identification information of the preceding vehicle based on the image of the preceding vehicle captured by the image capturing unit, thereby recognizing the preceding vehicle.
5. The system according to claim 1 or 2, characterized in that the reminder unit provides a visual, an audible and/or a tactile signal.
6. A vehicle, characterized in that it comprises a system according to any one of claims 1-5.
7. A driving assistance method for a vehicle, characterized by comprising:
detecting whether the running state of the current vehicle indicates that the current vehicle has an overtaking intention;
determining whether the proximity of the position of the current vehicle and a node of the front vehicle driving away from the current road is within a threshold value according to the planned routes of the current vehicle and the front vehicle; and
in response to detecting that the travel state of the current vehicle indicates that there is an intent to cut-in by the current vehicle and determining that the proximity of the location of the current vehicle to a node where a preceding vehicle is driving off the current road is within a threshold, a reminder signal is provided.
8. The method of claim 7, wherein the proximity of the location of the current vehicle to a node where a vehicle in front drives off the current road is a temporal proximity and/or a distance proximity.
9. The method according to claim 7 or 8, characterized in that the presence of an intention to cut in the current vehicle is detected by one or more of the following means: turn signal activation, steering wheel turning and accelerating through large angles, and/or movement of the current vehicle side position on the lane markings.
10. The method according to claim 7 or 8, characterized in that the method further comprises: an image of a preceding vehicle is captured, and vehicle identification information of the preceding vehicle is recognized based on the captured image of the preceding vehicle, thereby recognizing the preceding vehicle.
11. The method of claim 7 or 8, wherein the alert signal is a visual, audible and/or tactile signal.
12. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the method of any one of claims 7-11.
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| CN201910854108.XA CN112550296A (en) | 2019-09-10 | 2019-09-10 | Driving assistance system, method, and medium for vehicle, and vehicle |
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| CN201910854108.XA CN112550296A (en) | 2019-09-10 | 2019-09-10 | Driving assistance system, method, and medium for vehicle, and vehicle |
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