Reminding method, device, equipment and system for safe braking, storage medium, computer program product and vehicle

Abstract

The invention discloses a safety brake reminding method, device, equipment and system, a storage medium, a computer program product and a vehicle. The safety brake reminding method comprises the steps that the pedal stroke generated when a driver steps on a brake pedal is received from a brake pedal stroke sensor; comparing the pedal travel with a preset pedal travel threshold value; when the pedal travel is larger than the preset pedal travel threshold value, the vehicle speed is received from the engine, the deceleration is received from the deceleration sensor, and the distance between the vehicle and a front obstacle is received from the radar; predicting the braking distance of the vehicle according to the vehicle speed and the deceleration; comparing the braking distance of the vehicle with the distance between the vehicle and the front obstacle; when the braking distance of the vehicle is smaller than the distance between the vehicle and the front obstacle, distance information and safety information between the vehicle and the front obstacle are sent to a display device; and when the braking distance of the vehicle is not smaller than the distance between the vehicle and the front obstacle, distance information and warning information between the vehicle and the front obstacle are sent to a display device. According to the invention, the driving safety can be improved.

Description

Technical Field

[0001] The present invention relates to the technical field of intelligent driving, and in particular to a safety braking reminder method, device, equipment, system, storage medium, computer program product and vehicle. Background Art

[0002] In a scenario where a car needs to brake urgently, the driver cannot quantify the actual distance to the obstacle in front and cannot judge whether the vehicle will collide with the obstacle in front based on the current vehicle speed and braking strength, which causes the driver to make inaccurate braking or avoidance actions, thereby causing traffic accidents. Therefore, in order to improve driving safety, it is necessary to equip the car with a device that can display the actual distance between the vehicle and the obstacle in front when braking and prompt whether the vehicle will collide with the obstacle in front based on the current vehicle speed and braking strength, so as to guide the driver to make correct vehicle braking or vehicle avoidance actions. However, cars currently on the market do not have the function of displaying the actual distance between the vehicle and the obstacle in front and prompting whether the vehicle will collide with the obstacle in front based on the current vehicle speed and braking strength. Summary of the invention

[0003] To solve at least one aspect of the above problems, the present invention provides a safety braking reminder method, device, equipment, system, storage medium, computer program product and vehicle.

[0004] In the first aspect, the present application provides a safe braking reminder method, comprising the following steps: receiving the pedal stroke when the driver steps on the brake pedal from a brake pedal stroke sensor; comparing the pedal stroke with a preset pedal stroke threshold; when the pedal stroke is greater than the preset pedal stroke threshold, receiving vehicle speed information from the engine, receiving deceleration information from the deceleration sensor, and receiving distance information between the vehicle and the obstacle in front from the radar; predicting the braking distance of the vehicle based on the vehicle speed information and deceleration information; comparing the braking distance of the vehicle and the distance between the vehicle and the obstacle in front; when the braking distance of the vehicle is less than the distance between the vehicle and the obstacle in front, sending the distance information and safety information between the vehicle and the obstacle in front to a display device; when the braking distance of the vehicle is not less than the distance between the vehicle and the obstacle in front, sending the distance information and warning information between the vehicle and the obstacle in front to the display device.

[0005] Preferably, according to the vehicle speed information and the deceleration information, the method for predicting the braking distance of the vehicle is to use a calculation formula for the braking distance for calculation, and the calculation formula for the braking distance is:

[0006]

[0007] in, is the braking distance; is the safety factor; is the deceleration; For vehicle speed.

[0008] Preferably, the safety factor ranges from 1 to 1.5.

[0009] In a second aspect, the present application provides a safety braking reminder device, the device comprising: a first receiving device, configured to receive the pedal stroke when the driver steps on the brake pedal from the brake pedal stroke sensor; a first comparing device, configured to compare the pedal stroke with a preset pedal stroke threshold; a second receiving device, configured to receive vehicle speed information from the engine, deceleration information from the deceleration sensor, and distance information between the vehicle and the obstacle in front from the radar when the pedal stroke is greater than the preset pedal stroke threshold; a prediction device, configured to predict the braking distance of the vehicle based on the vehicle speed information and deceleration information; a second comparing device, configured to compare the braking distance of the vehicle and the distance between the vehicle and the obstacle in front; a first sending device, configured to send the distance information and safety information between the vehicle and the obstacle in front to a display device when the braking distance of the vehicle is less than the distance between the vehicle and the obstacle in front; a second sending device, configured to send the distance information and warning information between the vehicle and the obstacle in front to a display device when the braking distance of the vehicle is not less than the distance between the vehicle and the obstacle in front.

[0010] In a third aspect, the present application provides a safety braking reminder device, the device comprising a memory and a processor, the memory storing a computer program, and implementing any one of the safety braking reminder methods described above when the computer program is executed by the processor.

[0011] In a fourth aspect, the present application provides a safety brake reminder system, comprising a safety brake reminder device, a brake pedal travel sensor, an engine, a deceleration sensor, a radar and a display device as described above, wherein the brake pedal travel sensor, the engine, the deceleration sensor, the radar and the display device are all communicatively connected to the safety brake reminder device; the brake pedal travel sensor is used to collect the pedal travel when the driver steps on the brake pedal, and send the pedal travel when the driver steps on the brake pedal to the safety brake reminder device; the engine is used to collect vehicle speed information, and send the vehicle speed information to the safety brake reminder device; the deceleration sensor is used to collect deceleration information, and send the deceleration information to the safety brake reminder device; the radar is used to collect the distance information between the vehicle and the obstacle in front, and send the distance information between the vehicle and the obstacle in front to the safety brake reminder device; the display device is used to receive the distance information and safety information or warning information between the vehicle and the obstacle in front from the safety brake reminder device, and display it according to the distance information and safety information or warning information between the vehicle and the obstacle in front.

[0012] Preferably, the display device is a dashboard. When the distance information and safety information between the vehicle and the obstacle in front are received from the safety braking reminder device, the distance information between the vehicle and the obstacle in front is displayed on the dashboard and a green light is turned on; when the distance information and warning information between the vehicle and the obstacle in front are received from the safety braking reminder device, the distance information between the vehicle and the obstacle in front is displayed on the dashboard and a red light is turned on.

[0013] In a fifth aspect, the present application provides a vehicle, including the safety braking reminder system described above.

[0014] In a sixth aspect, the present application provides a storage medium storing computer-readable instructions, which, when executed by a processor, executes any one of the methods described above.

[0015] In a seventh aspect, the present application provides a computer program product, comprising a computer program, which implements the steps of the above-described method when executed by a processor.

[0016] The safety brake reminder method, device, equipment, system, storage medium, computer program product and vehicle of the present invention have the following beneficial effects:

[0017] The present application determines whether the vehicle is in a braking state based on the pedal travel data detected by the brake pedal travel sensor when the driver steps on the brake pedal. When it is determined that the vehicle is in a braking state, the vehicle speed information and deceleration information are received from the engine and the deceleration sensor respectively, and then the braking distance based on the current vehicle speed and braking intensity is calculated based on the vehicle speed information and the deceleration information, and then the braking distance is compared with the distance between the vehicle and the obstacle in front received from the radar, and it is determined whether a collision with the obstacle in front will occur based on the current vehicle speed and braking intensity, and the judgment result is sent to the display device for display, which helps to guide the driver to make correct vehicle braking or vehicle avoidance actions, and the present application is not only When a collision with the obstacle in front is predicted based on the current vehicle speed and braking intensity, the distance information and warning information between the vehicle and the obstacle in front are sent to the display device. When a collision with the obstacle in front is predicted based on the current vehicle speed and braking intensity, the distance information and safety information between the vehicle and the obstacle in front are sent to the display device. This helps to enhance the driver's driving confidence when seeing an obstacle and avoids the driver's psychological pressure when seeing an obstacle, which may cause erroneous operation, thereby helping to improve driving safety and filling the technical gap in the market where there are no products that display the actual distance between the vehicle and the obstacle in front and prompt whether a collision with the obstacle in front will occur based on the current vehicle speed and braking intensity. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to better understand the above and other purposes, features, advantages and functions of the present invention, reference may be made to the embodiments shown in the accompanying drawings. The same reference numerals in the accompanying drawings refer to the same components. It should be understood by those skilled in the art that the accompanying drawings are intended to schematically illustrate the preferred embodiments of the present invention and have no limiting effect on the scope of the present invention, and the components in the drawings are not drawn to scale.

[0019] Figure 1 A flow chart of a safety braking reminder method according to an embodiment of the present invention is shown;

[0020] Figure 2 A structural framework diagram of a safety brake reminder device according to an embodiment of the present invention is shown;

[0021] Figure 3 A structural framework diagram of a safety brake reminder system according to an embodiment of the present invention is shown.

[0022] Description of reference numerals:

[0023] 101. First receiving device; 102. First comparing device; 103. Second receiving device; 104. Predicting device; 105. Second comparing device; 106. First sending device; 107. Second sending device; 2. Safety braking reminder device; 3. Brake pedal travel sensor; 4. Engine; 5. Deceleration sensor; 6. Radar; 7. Display device. DETAILED DESCRIPTION

[0024] The following is a description of exemplary embodiments of the present disclosure in conjunction with the accompanying drawings, including various details of the embodiments of the present disclosure to facilitate understanding, which should be considered as merely exemplary. Therefore, it should be recognized by those of ordinary skill in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the present disclosure. Similarly, for the sake of clarity and conciseness, descriptions of well-known functions and structures are omitted in the following description.

[0025] As used herein, the term "including" and its variations mean open inclusion, i.e., "including but not limited to". Unless otherwise stated, the term "or" means "and / or". The term "based on" means "based at least in part on". The terms "an example embodiment" and "an embodiment" mean "at least one example embodiment". The term "another embodiment" means "at least one additional embodiment". The terms "first", "second", etc. may refer to different or the same objects. Other explicit and implicit definitions may also be included below.

[0026] In order to at least partially solve one or more of the above problems and other potential problems, the embodiments of the present disclosure provide a safety braking reminder method, such as Figure 1As shown, the following steps are included:

[0027] Receive the pedal stroke when the driver steps on the brake pedal from the brake pedal stroke sensor; compare the pedal stroke with a preset pedal stroke threshold; when the pedal stroke is greater than the preset pedal stroke threshold, receive vehicle speed information from the engine, receive deceleration information from the deceleration sensor, and receive distance information between the vehicle and the obstacle in front from the radar, wherein comparing the pedal stroke when the driver steps on the brake pedal with the preset pedal stroke threshold is to determine whether the current state of the vehicle is a braking state, and the range of the preset pedal stroke threshold is preferably 0.5 to 2 mm, for example, the preset pedal stroke threshold is set to 0.75 mm.

[0028] The braking distance of the vehicle is predicted based on the vehicle speed information and the deceleration information. In a preferred embodiment, the method for predicting the braking distance of the vehicle based on the vehicle speed information and the deceleration information is to use a calculation formula for the braking distance for calculation, and the calculation formula for the braking distance is:

[0029]

[0030] in, is the braking distance; is the safety factor; is the deceleration; is the vehicle speed; preferably, the safety factor The range is 1 to 1.5, for example, the safety factor is 1.2.

[0031] Compare the braking distance of the vehicle and the distance between the vehicle and the obstacle in front; when the braking distance of the vehicle is less than the distance between the vehicle and the obstacle in front, send the distance information and safety information between the vehicle and the obstacle in front to the display device; when the braking distance of the vehicle is not less than the distance between the vehicle and the obstacle in front, send the distance information and warning information between the vehicle and the obstacle in front to the display device.

[0032] The present application also provides a safety brake reminder device, such as Figure 2As shown, the device includes: a first receiving device 101, configured to receive the pedal stroke when the driver steps on the brake pedal from the brake pedal stroke sensor; a first comparing device 102, configured to compare the pedal stroke with a preset pedal stroke threshold; a second receiving device 103, configured to receive vehicle speed information from the engine, receive deceleration information from the deceleration sensor, and receive distance information between the vehicle and the obstacle in front from the radar when the pedal stroke is greater than the preset pedal stroke threshold; a predicting device 104, configured to predict the braking distance of the vehicle according to the vehicle speed information and the deceleration information; a second comparing device 105, configured to compare the braking distance of the vehicle and the distance between the vehicle and the obstacle in front; a first sending device 106, configured to send the distance information and safety information between the vehicle and the obstacle in front to the display device when the braking distance of the vehicle is less than the distance between the vehicle and the obstacle in front; a second sending device 107, configured to send the distance information and warning information between the vehicle and the obstacle in front to the display device when the braking distance of the vehicle is not less than the distance between the vehicle and the obstacle in front.

[0033] The present application also provides a safety brake reminder device, the device comprising a memory and a processor, the memory storing a computer program, and implementing any one of the safety brake reminder methods described above when the computer program is executed by the processor.

[0034] The present application also provides a safety braking reminder system, such as Figure 3 As shown, it includes the above-mentioned safety brake reminder device 2, brake pedal travel sensor 3, engine 4, deceleration sensor 5, radar 6 and display device 7, and the brake pedal travel sensor 3, engine 4, deceleration sensor 5, radar 6 and display device 7 are all communicatively connected with the safety brake reminder device 2; the brake pedal travel sensor 3 is used to collect the pedal travel when the driver steps on the brake pedal, and send the pedal travel when the driver steps on the brake pedal to the safety brake reminder device 2; the engine 4 is used to collect vehicle speed information, and send the vehicle speed information to the safety brake reminder device 2; the deceleration sensor 5 is used to collect deceleration information, and send the deceleration information to the safety brake reminder device 2; the radar 6 is used to collect the distance information between the vehicle and the front obstacle, and send the distance information between the vehicle and the front obstacle to the safety brake reminder device 2; the display device 7 is used to receive the distance information and safety information or warning information between the vehicle and the front obstacle from the safety brake reminder device 2, and display it according to the distance information and safety information or warning information between the vehicle and the front obstacle.

[0035] The display device 7 can be selected as a dashboard or an infotainment system. In some embodiments, the display device 7 is a dashboard. When the distance information and safety information between the vehicle and the obstacle in front are received from the safety braking reminder device 2, the distance information between the vehicle and the obstacle in front is displayed on the dashboard and a green light is turned on; when the distance information and warning information between the vehicle and the obstacle in front are received from the safety braking reminder device 2, the distance information between the vehicle and the obstacle in front is displayed on the dashboard and a red light is turned on.

[0036] The present application also provides a vehicle, including the above-mentioned safety braking reminder system.

[0037] The present application also provides a storage medium storing computer-readable instructions, and when the instructions are executed by a processor, the method according to any one of the above methods is executed.

[0038] The present application also provides a computer program product, including a computer program, which implements the steps of the above-mentioned method when executed by a processor.

[0039] The embodiments of the present disclosure have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles of the embodiments, practical applications, or technical improvements in the market, or to enable other persons of ordinary skill in the art to understand the present invention.

Claims

1. A safety braking reminder method, characterized in that: The following steps are involved: receiving a pedal travel when a driver steps on a brake pedal from a brake pedal travel sensor; comparing the pedal travel with a preset pedal travel threshold; When the pedal stroke is greater than a preset pedal stroke threshold, the vehicle speed information is received from the engine, the deceleration information is received from the deceleration sensor, and the distance information between the vehicle and the obstacle in front is received from the radar; Predict the braking distance of the vehicle based on the vehicle speed information and deceleration information; Compare the braking distance of the vehicle and the distance between the vehicle and the obstacle in front; When the braking distance of the vehicle is less than the distance between the vehicle and the obstacle in front, the distance information between the vehicle and the obstacle in front and safety information are sent to the display device; When the braking distance of the vehicle is not less than the distance between the vehicle and the obstacle in front, the distance information and warning information between the vehicle and the obstacle in front are sent to the display device.

2. A safety brake reminder method according to claim 1, characterized in that: According to the vehicle speed information and deceleration information, the method for predicting the braking distance of the vehicle is to use a calculation formula for the braking distance, and the calculation formula for the braking distance is: in, is the braking distance; is the safety factor; is the deceleration; For vehicle speed.

3. A safety brake reminder method according to claim 1, characterized in that: The safety factor ranges from 1 to 1.

5.

4. A safety brake reminder device, characterized in that: The device comprises: A first receiving device (101) is configured to receive a pedal stroke when a driver steps on a brake pedal from a brake pedal stroke sensor; A first comparison device (102) configured to compare a pedal stroke with a preset pedal stroke threshold; The second receiving device (103) is configured to receive vehicle speed information from the engine, receive deceleration information from the deceleration sensor, and receive distance information between the vehicle and the obstacle in front from the radar when the pedal stroke is greater than a preset pedal stroke threshold; A prediction device (104) configured to predict a braking distance of the vehicle based on vehicle speed information and deceleration information; A second comparison device (105) is configured to compare the braking distance of the vehicle and the distance between the vehicle and the obstacle in front; A first sending device (106) is configured to send distance information and safety information between the vehicle and the obstacle in front to a display device when the braking distance of the vehicle is less than the distance between the vehicle and the obstacle in front; The second sending device (107) is configured to send the distance information and warning information between the vehicle and the obstacle in front to the display device when the braking distance of the vehicle is not less than the distance between the vehicle and the obstacle in front.

5. A safety braking reminder device, characterized in that: The device includes a memory and a processor, wherein a computer program is stored in the memory, and when the computer program is executed by the processor, a safety braking reminder method according to any one of claims 1 to 3 is implemented.

6. A safety braking reminder system, characterized in that: The invention comprises a safety brake reminder device (2) as claimed in claim 5, a brake pedal travel sensor (3), an engine (4), a deceleration sensor (5), a radar (6) and a display device (7), wherein the brake pedal travel sensor (3), the engine (4), the deceleration sensor (5), the radar (6) and the display device (7) are all connected in communication with the safety brake reminder device (2); The brake pedal travel sensor (3) is used to collect the pedal travel when the driver steps on the brake pedal, and send the pedal travel when the driver steps on the brake pedal to the safety braking reminder device (2); The engine (4) is used to collect vehicle speed information and send the vehicle speed information to the safety braking reminder device (2); The deceleration sensor (5) is used to collect deceleration information and send the deceleration information to the safety braking reminder device (2); The radar (6) is used to collect distance information between the vehicle and the obstacle in front, and send the distance information between the vehicle and the obstacle in front to the safety braking reminder device (2); The display device (7) is used to receive the distance information and safety information or warning information between the vehicle and the obstacle in front from the safety brake reminder device (2), and display the distance information and safety information or warning information between the vehicle and the obstacle in front.

7. A safety brake reminder system according to claim 6, characterized in that: The display device (7) is a dashboard. When receiving the distance information and safety information between the vehicle and the obstacle ahead from the safety brake reminder device (2), the distance information between the vehicle and the obstacle ahead is displayed on the dashboard and a green light is turned on. When receiving the distance information and warning information between the vehicle and the obstacle in front from the safety brake reminder device (2), the distance information between the vehicle and the obstacle in front is displayed on the instrument panel and a red light is turned on.

8. A vehicle, characterized in that: A safety braking reminder system comprising the one described in claim 6 or 7.

9. A storage medium, characterized in that: Computer-readable instructions are stored, and when the instructions are executed by a processor, the method according to any one of claims 1 to 3 is executed.

10. A computer program product, comprising a computer program, characterized in that: When the computer program is executed by a processor, the steps of the method according to claim 1 are implemented.

Images