A vehicle hood closed state detection method and system

Abstract

This application discloses a method and system for detecting the closed state of a vehicle hood, belonging to the field of autonomous driving technology. It includes a vehicle hood closed state detection system, comprising a hood assembly, a sensing device, a domain control system, an intelligent driving system, and a cockpit system. The method for detecting the closed state of the hood includes: the domain control system collecting closure parameters of the hood assembly through the sensing device to determine a first closed state of the hood assembly; the intelligent driving system determining a second closed state of the hood assembly based on the closure parameters, generating a closure detection result based on whether it matches the first closed state, and sending the closure detection result to the cockpit system through the domain control system. This application can improve the accuracy of detecting the closed state of a vehicle hood.

Description

Technical Field

[0001] This application relates to the field of autonomous driving technology, and in particular to a method and system for detecting the closed state of a vehicle hood. Background Technology

[0002] With the rapid development of vehicle electronics technology, users have increasingly higher requirements for safe driving. One issue that arises during safe driving is the accidental opening of the hood. An unexpectedly opened hood can obstruct the driver's view and easily lead to traffic accidents. Currently, there is an urgent need for a solution that can accurately detect the hood's closure status. Summary of the Invention

[0003] The purpose of this application is to provide a method and system for detecting the closed state of a vehicle hood, which can solve the problem of poor accuracy in detecting the closed state of a vehicle hood.

[0004] To address the aforementioned technical problems, the first aspect of this application provides the following technical solution: A method for detecting the closed state of a vehicle hood is provided, applied to a vehicle hood closed state detection system. The system includes a hood assembly, a sensing device, a domain control system, an intelligent driving system, and a cockpit system. The method comprises: the domain control system acquiring closure parameters of the hood assembly through the sensing device to determine a first closed state; the intelligent driving system determining a second closed state of the hood assembly based on the closure parameters and generating a closure detection result based on whether it matches the first closed state; and the intelligent driving system sending the closure detection result to the cockpit system through the domain control system.

[0005] Optionally, the sensing device includes: a camera mounted on the windshield of the vehicle; the domain control system acquires the closure parameters of the hood device through the sensing device to determine the first closed state of the hood device, including: the domain control system acquires a first image of the hood device through the camera and determines the closure parameters corresponding to the first image; the domain control system determines the first closed state of the hood device based on the closure parameters corresponding to the first image.

[0006] Optionally, the sensing device includes: a signal acquisition sensor; the hood assembly includes a hood and a first locking mechanism, the first locking mechanism including a pawl and a locking plate; the domain control system acquires the closure parameters of the hood assembly through the sensing device to determine the first closed state of the hood assembly, and further includes: the domain control system acquires pawl signals and / or locking plate signals through the signal acquisition sensor to determine a first position parameter of the pawl in the first locking mechanism; the domain control system determines the closure parameter corresponding to the first position parameter; the domain control system determines the first closed state of the hood assembly based on the closure parameter corresponding to the first position parameter.

[0007] Optionally, the sensing device further includes a Hall sensor; wherein the hood assembly further includes an electric closing mechanism and a hood support rod, and the Hall sensor is mounted on the hood support rod; the domain control system acquires the closing parameters of the hood assembly through the sensing device to determine the first closed state of the hood assembly, and further includes: the domain control system determining the second position parameter of the latch in the electric closing mechanism through the Hall signal acquired by the Hall sensor; the domain control system determining the closing parameter corresponding to the second position parameter; the domain control system determining the first closed state of the hood assembly based on the closing parameter corresponding to the second position parameter.

[0008] Optionally, the domain control system acquires a first image of the hood device via a camera and determines the closure parameters corresponding to the first image, including: the domain control system acquires a first image of the hood device via a camera; the domain control system performs edge detection on the first image to obtain a first edge detection result; and the domain control system determines the closure parameters corresponding to the first edge detection result based on the first edge detection result.

[0009] Optionally, the domain control system performs edge detection on the first image, including: the domain control system performs edge detection on the first image using the Canny operator and / or the Sobel operator.

[0010] Optionally, the vehicle hood closure detection method further includes: if the closure detection result is determined to be unclosed during vehicle operation, generating corresponding vehicle control information; wherein the vehicle control information includes at least one of the following: prompt information and driving information; wherein the prompt information is used to prompt confirmation of whether the hood device is closed.

[0011] Optionally, the method for detecting the closed state of the vehicle hood further includes: if the closure detection result is confirmed to be closed, the intelligent driving system records the first position parameter.

[0012] Optionally, after the intelligent driving system records the first position parameters, the method for detecting the closed state of the vehicle hood further includes: the domain control system acquiring the claw signal and / or the plate signal again through the signal acquisition sensor to determine the third position parameter of the claw in the first locking mechanism; the intelligent driving system generating a closure detection result based on whether the third position parameter is consistent with the first position parameter.

[0013] To address the aforementioned technical problems, the second aspect of this application provides the following technical solution: A vehicle hood closure status detection system includes: a hood device, a sensing device, a domain control system, an intelligent driving system, and a cockpit system; wherein, the domain control system collects closure parameters of the hood device through the sensing device to determine a first closure status of the hood device; the intelligent driving system determines a second closure status of the hood device based on the closure parameters, and generates a closure detection result based on whether it is consistent with the first closure status; the intelligent driving system sends the closure detection result to the cockpit system through the domain control system.

[0014] Thirdly, this application provides an electronic device, including: at least one processor; and a memory communicatively connected to the at least one processor; wherein the memory stores instructions executable by the at least one processor to implement the vehicle hood closure detection method described in the first aspect.

[0015] Fourthly, this application provides a computer-readable storage medium that, when the instructions in the storage medium are executed by a processor corresponding to an electronic device, enables the electronic device to implement the vehicle hood closure detection method described in the first aspect.

[0016] Fifthly, this application provides a computer program product, including a computer program / instructions, which, when executed by a processor, implement the vehicle hood closure detection method described in the first aspect.

[0017] The technical solution of this application has the following technical advantages over the prior art: In the vehicle hood closure state detection method provided in this application, the domain control system collects the closure parameters of the hood device through a sensor to determine the first closure state of the hood device; then, the intelligent driving system determines the second closure state of the hood device based on the closure parameters, and generates a closure detection result based on whether it is consistent with the first closure state; subsequently, the intelligent driving system sends the closure detection result to the cockpit system through the domain control system. In this way, the closure parameters collected by the sensor are used to confirm whether the closure state determined by the closure parameters is consistent through the interaction process between the domain control system and the intelligent driving system to generate the final closure detection result, thereby improving the accuracy of detecting the hood closure state. Attached Figure Description

[0018] The preferred embodiments of this application will be described in detail below with reference to the accompanying drawings, which will help to understand the purpose and advantages of this application, wherein: Figure 1 A flowchart illustrating a method for detecting the closed state of a vehicle hood, as provided in this application embodiment; Figure 2 A schematic diagram of the camera installation location provided in an embodiment of this application; Figure 3A flowchart illustrating a method for detecting the closed state of a vehicle hood, as provided in this application embodiment; Figure 4 This is a schematic diagram of the hardware connection relationship of the electronic device in the vehicle hood closure state detection method provided in the embodiments of this application. Detailed Implementation

[0019] The technical solutions of this application will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0020] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0021] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0022] Furthermore, the technical features involved in the different embodiments of this application described below can be combined with each other as long as they do not conflict with each other.

[0023] Figure 1 This application provides a method for detecting the closed state of a vehicle hood. This method is applied to a vehicle hood closure detection system, which includes a hood assembly, a sensing device, a domain control system, an intelligent driving system, and a cockpit system. Figure 1 As shown, the method for detecting the closed state of a vehicle hood may include the following steps: Step 101: The domain control system collects the closing parameters of the hood device through the sensor to determine the first closed state of the hood device.

[0024] Step 103: The intelligent driving system determines the second closed state of the hood device based on the closure parameters, and generates a closure detection result based on whether it is consistent with the first closed state.

[0025] Step 105: The intelligent driving system sends the closure detection result to the cockpit system through the domain control system.

[0026] The vehicle hood closure detection method provided in this application involves a domain control system collecting closure parameters of the hood device through a sensor to determine a first closure state of the hood device. Then, an intelligent driving system determines a second closure state of the hood device based on the closure parameters and generates a closure detection result based on whether it matches the first closure state. Subsequently, the intelligent driving system sends the closure detection result to the cockpit system through the domain control system. This method uses the closure parameters collected by the sensor and the interaction between the domain control system and the intelligent driving system to confirm whether the closure states determined by the closure parameters match, thereby generating the final closure detection result. This improves the accuracy of detecting the hood closure state and avoids safety hazards caused by the sudden opening of the vehicle hood during vehicle operation.

[0027] The following is a detailed description of step 101 (that is, the domain control system collects the closing parameters of the hood device through the sensing device to determine the first closed state of the hood device).

[0028] In step 101, the domain control system acquires the closure parameters of the hood assembly via a sensor installed on the hood assembly, and determines the first closed state of the hood assembly based on these closure parameters. The sensor may include various sensors installed on the vehicle (such as cameras, Hall effect sensors, position sensors, etc.), and is installed on the hood assembly to acquire the first closed state. This first closed state can be used to describe whether the hood is closed using various state parameters.

[0029] Here, the first closed state can include closed and unclosed.

[0030] In this embodiment of the application, when the first closed state is not closed, corresponding vehicle control information is generated to ensure safe driving of the vehicle.

[0031] In one example, the sensing device includes: a camera mounted on the windshield of the vehicle; the domain control system acquires closure parameters of the hood device through the sensing device to determine a first closed state of the hood device, including: the domain control system acquires a first image of the hood device through the camera and determines the closure parameters corresponding to the first image; the domain control system determines the first closed state of the hood device based on the closure parameters corresponding to the first image.

[0032] Here, a first image of the hood assembly is captured by a camera, and edge detection is performed on the first image to determine the first closed state of the hood assembly.

[0033] Optionally, in this example, the domain control system acquires a first image of the hood assembly via a camera and determines the hood assembly's closure parameters, including: The domain control system captures the first image of the hood device via a camera; The domain control system performs edge detection on the first image and obtains the first edge detection result. The domain control system determines the closure parameters of the first edge detection result based on the first edge detection result.

[0034] Optionally, in this example, the camera can be of various types and can be mounted in a position that can clearly capture the closed state of the hood, such as the front of the vehicle or above the hood, such as on the windshield of the hood. The camera is used to capture a first image of the hood assembly. The hood can be a front hatch or a rear hatch; the following example only uses a front hatch.

[0035] Optionally, images of the hood assembly can be captured periodically: a timed acquisition task can be set to periodically capture images of the hood assembly to monitor the hood's closure status. For example, when the vehicle is started, turned off, or during specific operations (such as opening / closing the hood), the camera is triggered to capture images to obtain the hood's closure status at critical moments.

[0036] In one example, the domain controller performs edge detection on the first image, including: the domain controller performs edge detection on the first image using the Canny operator and / or the Sobel operator.

[0037] Here, the domain control system uses the Canny operator and / or the Sobel operator to perform edge detection on the first image, which is used to identify edges with significant brightness changes in the image, thereby improving the accuracy of edge detection and providing a guarantee for safe driving of the vehicle.

[0038] The intelligent driving system is standard equipment in the vehicle, and it already possesses the ability to perceive its surroundings when the vehicle is powered on. This solution reuses the computing power of the intelligent driving system and the forward-facing camera to detect the hood's closure status through a vision-based approach without increasing hardware costs. This significantly improves vehicle driving safety, preventing accidents caused by the hood suddenly opening when the vehicle is traveling at high speed due to it not being fully closed.

[0039] This detection function is achieved by reusing a forward-looking short-range camera (the specific location of the camera is as follows). Figure 2As shown in the red box in the image, the algorithm mainly detects the edges of the hood. It uses the Canny and Sobel operators to identify edges with significant brightness changes in the image, and is used for target detection and image segmentation.

[0040] In one example, the sensing device includes: a signal acquisition sensor; the hood assembly includes a hood and a first locking mechanism, the first locking mechanism including a pawl and a locking plate; The domain control system collects the hood assembly closure parameters through sensors to determine the first closed state of the hood assembly, and also includes: The domain control system acquires claw signals and / or plate signals through signal acquisition sensors to determine the first position parameters of the claw in the first locking mechanism; The domain control system determines the closed-loop parameter corresponding to the first position parameter; The domain control system determines the first closed state of the hood device based on the closure parameters corresponding to the first position parameters.

[0041] The chuck is part of the first locking mechanism and is typically used in conjunction with the latch plate to secure the hood. The chuck signal refers to the electrical signal generated by the chuck when it is locked or unlocked. When the chuck successfully locks the hood, it triggers a signal informing the vehicle's hood closure detection system that the hood is closed and locked. Conversely, when the chuck unlocks, it triggers another signal indicating that the hood may be open.

[0042] Optionally, in this example, there may be multiple signal acquisition sensors, such as signal acquisition sensors installed at the jaws and the plate respectively. The signal acquisition sensors at the jaws may include: linear reference sensors, displacement sensors, pressure sensors or proximity sensors; the signal acquisition sensors at the plate may include photoelectric sensors or fiber optic sensors.

[0043] During vehicle operation, if the hood unexpectedly opens while driving, signals from the latches and locking plates can be detected to determine the first position parameter (such as relative position parameter) of the latches in the first locking mechanism, and the closing state determined by the first position parameter. This triggers an alarm or other safety measures to ensure safe driving. It should be noted that the locking plates and latches correspond to different position parameters when not locked and when fully locked.

[0044] In addition, during vehicle maintenance or inspection, repair personnel can determine the hood's closure status by detecting the claw signals.

[0045] The latch plate typically refers to another component in the first locking mechanism, which works in conjunction with the latch claws. The latch plate signal refers to the electrical signal generated when the latch plate is in a specific position (such as fully locked or unlocked). Similar to the latch claw signal, the latch plate signal is also used to indicate the locked or unlocked state of the hood.

[0046] It should be noted that both the claw signal and the plate signal can be used to indicate the locked or unlocked status of the hood.

[0047] It should also be noted that the first closed state of the hood device can be determined by a signal acquisition sensor in the embodiments of this application.

[0048] To further explain, the first closed state of the hood device is determined by combining the first image captured by the camera with a signal acquisition sensor, specifically including: The domain control system uses a camera to capture the first image of the hood device and determines the first closure parameters of the hood device. The domain control system acquires claw signals and / or plate signals through signal acquisition sensors to determine the first position parameters of the claw in the first locking mechanism; The domain control system determines the closed-loop parameter corresponding to the first position parameter; The domain control system determines the first closed state of the hood device based on the closure parameter corresponding to the first position parameter and the first closure parameter.

[0049] Optionally, after determining the closed state of the hood device based on the first image and the closed state of the hood device based on the signal acquisition sensor, the two closed states can be integrated to determine the first closed state of the hood device.

[0050] Optionally, the first locking mechanism may be a plate lock mechanism.

[0051] In one example, the hood assembly includes a hood switch and an electric latching mechanism; When the electric locking mechanism is in the locked position, the status of the hood release switch is simultaneously detected: When the hood switch detects the hood lock status synchronously and it is consistent with the electric magnetic lock status, there is no need to prompt or alarm through the central control screen. When the hood switch detects that the hood is not closed and this is inconsistent with the electric locking status, a prompt and alarm will be issued via the central control screen indicating that the hood is not fully closed.

[0052] Optionally, the hood switch can be a traditional hood switch. This ensures that the hood closes properly when it is latched, preventing the hood from suddenly opening or folding open at high speeds, which could cause safety accidents during driving.

[0053] In one example, the sensing device further includes a Hall sensor; wherein the hood assembly further includes an electric locking mechanism and a hood strut, the Hall sensor being mounted on the hood strut; The domain control system uses Hall signals collected by Hall sensors to determine the second position parameter of the latch in the electric closing mechanism; the domain control system determines the closure parameter corresponding to the second position parameter; and the domain control system determines the first closed state of the hood device based on the closure parameter corresponding to the second position parameter.

[0054] Here, the second position parameter of the latch in the electric engagement locking mechanism is determined by the Hall signal; where the Hall signal refers to the electrical signal generated by the Hall effect.

[0055] In hood detection, a Hall sensor may be installed near the electric latch mechanism to detect the movement or positional change of the magnet (i.e., a second position parameter). When the hood opens or closes, the relative position between the magnet and the Hall sensor changes, triggering a change in the Hall signal. This Hall signal can then be used to reflect the position of the latch within the electric latch mechanism. The Hall signal provides precise positional parameters, enabling more accurate judgment and control by the vehicle hood closure detection system.

[0056] The Hall sensor used in this embodiment offers several advantages, including high sensitivity, fast response, and long lifespan. Furthermore, the Hall signal is less susceptible to environmental interference, providing stable and reliable detection results. Combined with an electric latch and electric strut, the hood's closure status can be determined through Hall sensor calibration, improving detection quality and reliability.

[0057] In vehicle safety systems, Hall effect signals, combined with signals from other sensors, can be used to implement more complex safety strategies. For example, when combined with signal acquisition sensors, this can be specifically achieved as follows: The domain control system acquires claw signals and / or plate signals through signal acquisition sensors to determine the first position parameters of the claw in the first locking mechanism; The domain control system determines the closure parameter corresponding to the first position parameter; and The domain control system uses Hall signals collected by Hall sensors to determine the second position parameters of the latch in the electric engagement locking mechanism; The domain control system determines the closure parameter corresponding to the second position parameter; The domain control system determines the first closed state of the hood device based on the closure parameter corresponding to the first position parameter and the closure parameter corresponding to the second position parameter.

[0058] In other words, the first closed state of the hood assembly is determined by combining the claw signals, plate signals, and Hall effect signals. It's important to note that the claw signals, plate signals, and Hall effect signals play a crucial role in vehicle safety systems, maintenance checks, and intelligent control. By properly utilizing these signals, the vehicle can more accurately determine the hood's status and take appropriate measures to ensure driving safety.

[0059] In another example, the closing state of the hood assembly is determined by combining the claw signal, plate signal, and Hall effect signal with a first image captured by a camera. Optionally, the steps of determining the claw signal, plate signal, and Hall effect signal, as well as the step of combining the first image captured by the camera, can be combined as needed. For example, the closing state of the hood assembly can be determined by combining the Hall effect signal with the first image captured by the camera.

[0060] The domain control system in this embodiment determines the first closed state by at least one of the following: claw signal, card plate signal, Hall signal, and image, further ensuring safe driving of the vehicle.

[0061] The following describes step 103 (i.e., the intelligent driving system determines the second closed state of the hood device based on the closure parameters, and generates a closure detection result based on whether it is consistent with the first closed state) in detail.

[0062] In step 103, the intelligent driving system receives the closure parameters and the first closure state sent by the domain control system; then, the intelligent driving system determines the second closure state of the hood device based on the closure parameters; then, it compares whether the first closure state and the second closure state are consistent; if the first closure state and the second closure state are consistent, the generated closure detection result is a closed result; if the first closure state and the second closure state are inconsistent, the generated closure detection result is an unclosed result.

[0063] The following is a detailed description of how the intelligent driving system determines the second closed state of the hood device based on the closing parameters.

[0064] Following the previous text, when the closure parameters include the closure parameters corresponding to the first image, the intelligent driving system acquires the first image of the hood device through the camera and determines the closure parameters corresponding to the first image; the intelligent driving system determines the second closure state of the hood device based on the closure parameters corresponding to the first image.

[0065] Optionally, the first image and the corresponding first closure state can be directly sent to the intelligent driving system, which can then determine the closure parameters corresponding to the first image based on the first image.

[0066] It should be noted that the process by which the intelligent driving system determines the closure parameters corresponding to the first image can refer to the steps of the domain control system in determining the corresponding closure parameters based on the first image, and will not be repeated here.

[0067] Continuing from the previous text, when the closing parameters include the closing parameters corresponding to the first position parameters, the intelligent driving system determines the second closing state of the hood device based on the closing parameters corresponding to the first position parameters.

[0068] Continuing from the previous text, when the closure parameters include Hall signals, the intelligent driving system determines the second closure state of the hood device based on the closure parameters corresponding to the second position parameters.

[0069] The following is a detailed description of step 105 (that is, the intelligent driving system sends the closure detection result to the cockpit system through the domain control system).

[0070] In step 105, after the intelligent driving system determines the closure detection result, it sends the closure detection result to the domain control system, which then sends the closure detection result to the cockpit system.

[0071] Here, the cockpit system is based on intelligent technology, upgrading the traditional vehicle cockpit into a digital, connected, and human-centered interactive space. The hardware of this cockpit system can include cockpit chips, central control screens, LCD instrument panels, seats, glass, speakers, etc., while the software includes in-vehicle operating systems, and the interaction methods include multiple modalities such as voice, facial recognition, and gesture control.

[0072] In one example, the closure detection result can be displayed on the central control screen in the cockpit system and / or played through the speaker.

[0073] During vehicle operation, the method for detecting the hood closure status further includes: if the closure detection result is determined to be an unclosed result, generating corresponding vehicle control information; wherein the vehicle control information includes at least one of the following: prompt information and driving information; wherein the prompt information is used to prompt confirmation of whether the hood device is closed.

[0074] When the hood is not fully closed and locked, the intelligent driving domain control records the position parameters (i.e., the position parameters of the latch or tongue in the corresponding lock) and displays a prompt message on the central control screen. This prompt message is used to remind the driver to confirm whether the hood is not closed. When the driver starts the vehicle and moves forward, the speaker will give a voice prompt "Confirm whether the hood is not closed." At the same time, for safety reasons, driving information is generated, which may include the vehicle's output torque and speed limits (such as below 20 km / h). The vehicle's power output torque is not limited only when the hood is fully closed.

[0075] If the closure detection result is confirmed as closed, the intelligent driving system records the first position parameter at that time. It should be noted that if the closure detection result is confirmed as unclosed, the intelligent driving system also records the first position parameter at that time.

[0076] In other words, the position parameters can be recorded after each closure detection result is determined. In order to assist the intelligent driving system in determining the closure detection result in the future, only the accurate result can be recorded (i.e., the closure detection result is confirmed to be accurate through information).

[0077] When the closure detection result is confirmed to be accurate through the prompt information, the first position parameter and / or the second position parameter are recorded as the standard for subsequent confirmation of the closure detection result by the intelligent driving system. The following is an example of recording the first position parameter.

[0078] Here, the closure detection result can be displayed on the central control screen, and the driver can be prompted to check and confirm the accuracy of the closure detection result.

[0079] For example, the domain control system collects the claw signal and / or plate signal again through the signal acquisition sensor to determine the third position parameter of the claw in the first locking mechanism; the intelligent driving system generates a closure detection result based on whether the third position parameter is consistent with the first position parameter.

[0080] Here, the first position parameter with accurate closure detection results serves as a standard for further confirmation of the accuracy of the third position parameter.

[0081] It should be noted that the corresponding position parameters can be recorded according to the sensor used (such as Hall sensor or signal acquisition sensor). For example, Hall sensor corresponds to the second position parameter, and signal acquisition sensor corresponds to the first position parameter.

[0082] Following the previous text, after sending the first image to the intelligent driving system, the first edge detection result of the first image can also be recorded, that is, the accurate edge detection result can be recorded (i.e., the edge detection result can be confirmed to be accurate through prompt information).

[0083] When the closure detection result is confirmed to be inaccurate through a prompt message (i.e., the closure detection result is inconsistent with the closure result confirmed by the driver), the vehicle hood closure status detection method further includes: Identify inaccurate states in the first and second closed states, and optimize the domain control system or driving system accordingly.

[0084] For example, if the first closed state is incorrectly identified (i.e., inaccurate), optimize the algorithm for the domain control system to determine the first closed state; and / or, if the second closed state is incorrectly identified (i.e., inaccurate), optimize the algorithm for the driving system to determine the second closed state.

[0085] For example, when determining the closure parameters corresponding to the first image, the system calibrates and learns the accurate closure detection results. The intelligent driving system uses the camera to record the edge detection results at this time. Subsequently, it can determine whether the hood is closed properly by comparing the data of a properly closed hood (i.e., the edge detection results corresponding to the accurate closure detection results).

[0086] To further improve the accuracy of detection, this application embodiment can calibrate the camera before leaving the factory to ensure that the first image captured can accurately reflect the closed state of the hood.

[0087] Figure 3 This application provides a method for detecting the closed state of a vehicle hood. Figure 3 As shown, the method for detecting the closed state of a vehicle's hood may include the following steps: The first step is for the domain control system to collect the closure parameters of the hood device through the sensing device to determine the first closed state of the hood device; wherein, the closure parameters include the closure parameters corresponding to the first image, the closure parameters corresponding to the first position parameters, and the closure parameters corresponding to the second position parameters. The second step is for the domain control system to send the closure parameters and the first closure state to the intelligent driving system. Third, the intelligent driving system determines the second closing state of the hood device based on the closing parameters in the first step, and generates a closing detection result based on whether it is consistent with the first closing state; The fourth step is for the intelligent driving system to send the closure detection result to the domain control system, which then sends the closure detection result to the cockpit system.

[0088] This application provides an embodiment of a vehicle hood closure detection system, which is similar to... Figure 1 , Figure 3 Corresponding to the method embodiments shown, the system can be specifically applied to various electronic devices.

[0089] The vehicle hood closure state detection system of this embodiment may include: a vehicle hood system, a sensing system, a domain control system, an intelligent driving system, and a cockpit system. The vehicle hood closure state detection method includes: the domain control system collecting closure parameters of the hood system through the sensing system to determine a first closure state of the hood system; the intelligent driving system determining a second closure state of the hood system based on the closure parameters, and generating a closure detection result based on whether it is consistent with the first closure state; and the intelligent driving system sending the closure detection result to the cockpit system through the domain control system.

[0090] Optionally, the sensing device includes: a camera mounted on the windshield of the vehicle; Domain controller systems are specifically used for: The first image of the hood device is captured by a camera, and the closure parameters corresponding to the first image are determined. The first closed state of the hood device is determined based on the closure parameters corresponding to the first image.

[0091] Optionally, the sensing device includes: a signal acquisition sensor; the hood device includes a hood and a first locking mechanism, the first locking mechanism including a pawl and a locking plate; Domain controller systems are also specifically used for: The domain control system acquires claw signals and / or plate signals through signal acquisition sensors to determine the first position parameters of the claw in the first locking mechanism; The domain control system determines the closed-loop parameter corresponding to the first position parameter; The domain control system determines the first closed state of the hood device based on the closure parameters corresponding to the first position parameters.

[0092] Optionally, the sensing device further includes: a Hall sensor; wherein, the hood device further includes: an electric locking mechanism and a hood strut, and the Hall sensor is mounted on the hood strut; Domain controller systems are also specifically used for: The domain control system uses Hall signals collected by Hall sensors to determine the second position parameters of the latch in the electric engagement locking mechanism; The domain control system determines the closure parameter corresponding to the second position parameter; The domain control system determines the first closed state of the hood device based on the closure parameters corresponding to the second position parameters.

[0093] Optionally, the domain control system is also used for: acquiring a first image of the hood device through a camera; performing edge detection on the first image to obtain a first edge detection result; and determining closure parameters corresponding to the first edge detection result based on the first edge detection result.

[0094] Optionally, the domain control system is also used to: perform edge detection on the first image using the Canny operator and / or the Sobel operator.

[0095] Optionally, if the closure detection result is determined to be unclosed during vehicle operation, corresponding vehicle control information is generated; wherein the vehicle control information includes at least one of the following: prompt information and driving information; wherein the prompt information is used to prompt confirmation of whether the hood device is closed.

[0096] Optionally, if the closure detection result is confirmed to be accurate through the prompt message, the intelligent driving system records the first position parameter.

[0097] Optionally, after the intelligent driving system records the first position parameter, the domain control system collects the claw signal and / or the plate signal again through the signal acquisition sensor to determine the third position parameter of the claw in the first locking mechanism; the intelligent driving system generates a closure detection result based on whether the third position parameter is consistent with the first position parameter.

[0098] This application provides a computer-readable storage medium storing program information. After reading the program information, the computer executes the steps of the vehicle hood closure state detection method described in any of the above schemes.

[0099] This application provides a computer program product, including a computer program / instructions, which, when executed by a processor, implement the steps of the vehicle hood closure state detection method described in any of the above solutions.

[0100] This application also provides an electronic device, such as... Figure 4As shown, the electronic device includes at least one processor 31 and at least one memory 32. The at least one memory 32 stores program information. After reading the program information, the at least one processor 31 executes the vehicle hood closure state detection method according to any of the above method embodiments. The device may further include an input device 33 and an output device 34. The processor 31, memory 32, input device 33, and output device 34 can be communicatively connected. The memory 32, as a non-volatile computer-readable storage medium, can be used to store non-volatile software programs, non-volatile computer-executable programs, and modules. The processor 31 executes various functional applications and data processing by running the non-volatile software programs, instructions, and modules stored in the memory 32, thereby implementing the vehicle hood closure state detection method provided by any of the above embodiments. The memory 32 may include a program storage area and a data storage area. The program storage area may store the operating system and at least one application program required for a function; the data storage area may store data created based on the use of the vehicle hood closure state detection method, etc. Furthermore, memory 32 may include high-speed random access memory and non-volatile memory, such as at least one disk storage device, flash memory device, or other non-volatile solid-state storage device. In some embodiments, memory 32 may optionally include memory remotely located relative to processor 31, which can be connected via a network to the vehicle hood closure detection system. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof. Input device 33 may receive user clicks and generate signal inputs related to user settings and function control of the vehicle hood closure detection method. Output device 34 may include a display device such as a display screen. When the one or more modules are stored in memory 32 and are run by the one or more processors 31, the vehicle hood closure detection method in any of the above method embodiments is executed.

[0101] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the scope of protection of this application.

Claims

1. A method for detecting the closed state of a vehicle hood, characterized in that, An application is made to a vehicle hood closure status detection system, the vehicle hood closure status detection system comprising: a hood device, a sensing device, a domain control system, an intelligent driving system, and a cockpit system, the method comprising: The domain control system collects the closing parameters of the hood device through the sensing device to determine the first closing state of the hood device. The intelligent driving system determines the second closed state of the hood device based on the closure parameters, and generates a closure detection result based on whether it is consistent with the first closed state; The intelligent driving system sends the closure detection result to the cockpit system through the domain control system.

2. The method for detecting the closed state of a vehicle hood according to claim 1, characterized in that, The sensing device includes a camera mounted on the windshield of the vehicle. The domain control system collects the closure parameters of the hood device through the sensing device to determine the first closed state of the hood device, including: The domain control system acquires a first image of the hood device through the camera and determines the closure parameters corresponding to the first image. The domain control system determines the first closed state of the hood device based on the closure parameters corresponding to the first image.

3. The method for detecting the closed state of a vehicle hood according to claim 1 or 2, characterized in that, The sensing device includes: a signal acquisition sensor; the hood device includes a hood and a first locking mechanism, the first locking mechanism including a claw and a plate; The domain control system collects the closure parameters of the hood device through the sensing device to determine the first closed state of the hood device, and also includes: The domain control system acquires claw signals and / or plate signals through the signal acquisition sensor to determine the first position parameters of the claw in the first locking mechanism; The domain control system determines the closure parameter corresponding to the first position parameter; The domain control system determines the first closed state of the hood device based on the closure parameter corresponding to the first position parameter.

4. The method for detecting the closed state of a vehicle hood according to claim 3, characterized in that, The sensing device further includes a Hall sensor; wherein the hood device further includes an electric locking mechanism and a hood support rod, and the Hall sensor is mounted on the hood support rod; The domain control system collects the closure parameters of the hood device through the sensing device to determine the first closed state of the hood device, and also includes: The domain control system determines the second position parameter of the latch in the electric engagement locking mechanism by collecting the Hall signal from the Hall sensor. The domain control system determines the closure parameter corresponding to the second position parameter; The domain control system determines the first closed state of the hood device based on the closure parameter corresponding to the second position parameter.

5. The method for detecting the closed state of a vehicle hood according to claim 2, characterized in that, The domain control system acquires a first image of the hood device through the camera and determines the closure parameters corresponding to the first image, including: The domain control system acquires a first image of the hood device via the camera; The domain control system performs edge detection on the first image to obtain a first edge detection result; The domain control system determines the closure parameters corresponding to the first edge detection result based on the first edge detection result.

6. The method for detecting the closed state of a vehicle hood according to claim 5, characterized in that, The domain control system performs edge detection on the first image, including: The domain control system uses the Canny operator and / or the Sobel operator to perform edge detection on the first image.

7. The method for detecting the closed state of a vehicle hood according to claim 3, characterized in that, The method further includes: During vehicle operation, if the closure detection result is determined to be an unclosed result, corresponding vehicle control information is generated; wherein, the vehicle control information includes at least one of the following: prompt information and driving information; wherein, the prompt information is used to prompt for confirmation of whether the hood device is closed.

8. The method for detecting the closed state of a vehicle hood according to claim 7, characterized in that, The method further includes: If the closure detection result is confirmed to be accurate through the prompt information, the intelligent driving system records the first position parameter.

9. The method for detecting the closed state of a vehicle hood according to claim 8, characterized in that, After the intelligent driving system records the first location parameter, the method further includes: The domain control system acquires the claw signal and / or the plate signal again through the signal acquisition sensor to determine the third position parameter of the claw in the first locking mechanism; The intelligent driving system generates a closure detection result based on whether the third position parameter is consistent with the first position parameter.

10. A vehicle hood closure status detection system, characterized in that, include: Engine hood assembly, sensors, domain control system, intelligent driving system, and cockpit system; among which, The domain control system collects the closing parameters of the hood device through the sensing device to determine the first closing state of the hood device. The intelligent driving system determines the second closed state of the hood device based on the closure parameters, and generates a closure detection result based on whether it is consistent with the first closed state; The intelligent driving system sends the closure detection result to the cockpit system through the domain control system.

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