Vehicle anti-collision control method and control system

By installing a receiving device communicating with the transmitting device carried by pedestrians on the forklift, and using preset anti-false alarm conditions to judge, the problem of the existing forklift anti-false alarm system is easily solved, achieving higher operating safety and efficiency.

CN115605931BActive Publication Date: 2025-02-28SUZHOU YIXINAN IND TECH CO LTD +1
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Patent Information

Application Number
CN202080100528.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-07-30
Publication Date
2025-02-28
Estimated Expiration
2040-07-30

AI Technical Summary

Technical Problem

The existing forklift anti-collision alarm system is prone to false alarms, which will also trigger alarms without actual safety risks, affecting the use effect and reducing operating efficiency.

Method used

By installing a receiving device that can communicate with a transmitting device carried by a pedestrian on the forklift, it is determined whether an alarm signal is issued using the preset anti-false alarm conditions. When pedestrians enter the safe isolation area and meet the anti-false alarm conditions, the receiving device will turn off the vehicle anti-collision intervention function to avoid false alarms after receiving the corresponding status signal.

Benefits of technology

It effectively avoids false alarms when the anti-false alarm conditions are met, improves the safety and efficiency of forklift operations, and ensures that unnecessary alarms will not be triggered without actual safety risks.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a vehicle anti-collision control method and control system, the control method comprising: installing a receiving device on a vehicle that can communicate with a transmitting device carried by pedestrians, wherein when one or more preset anti-false alarm conditions are met, the state signal emitted by the transmitting device is a first state signal; the receiving device receives the state signal emitted by the transmitting device; when the state signal received by the receiving device is the first state signal, the vehicle anti-collision intervention function is turned off. The vehicle anti-collision control method of the present invention improves the accuracy of anti-collision control, reduces false alarms, and improves operating efficiency by eliminating factors that may cause false alarms.
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Description

Technical Field

[0001] The invention relates to the field of forklift anti-collision, and in particular to a vehicle anti-collision control method and control system. Background Art

[0002] Forklifts are industrial handling vehicles, which are wheeled handling vehicles that load and unload, stack and transport palletized goods over short distances. They are often used to transport large objects in warehouses. As a commonly used means of transportation in industrial sites, the function and status of forklifts are unquestionable. However, when the forklift is operating, the vision of the forklift driver is often blocked by the goods loaded on the forklift, which makes it easy for forklifts to hit people.

[0003] In order to prevent accidents in which forklifts hit people, in the prior art, an anti-collision alarm system is installed on the forklift, which specifically uses radio frequency ranging technology to measure the distance between the person and the forklift. When the distance is too close, an anti-collision alarm is activated.

[0004] However, this anti-collision alarm method in the prior art often results in false alarms. For example, there are usually isolation areas for people and vehicles, office areas, etc. in the work area. When people are in these safe areas, the anti-collision alarm should not be activated. That is to say, even if the forklift is very close to the people in the isolation area, the forklift should not enter the alarm state. However, the existing forklift anti-collision alarm system is very close in distance, but when there is actually no safety risk, it will cause a large number of false alarms, thereby affecting the use effect. After a false alarm, the on-site environment needs to be repeatedly checked, which greatly reduces the efficiency of the forklift operation. Summary of the invention

[0005] In order to solve the problems of the prior art, the present invention provides a vehicle collision avoidance control method and control system. When a pedestrian enters a safety isolation area, one or more anti-false alarm conditions are met. Under this premise, no false alarm will occur even if the pedestrian is close to the vehicle. The technical solution is as follows:

[0006] In one aspect, the present invention provides a vehicle collision avoidance control method, comprising:

[0007] A receiving device capable of communicating with a transmitting device carried by pedestrians is installed on the vehicle, wherein when one or more preset false alarm prevention conditions are met, the state signal emitted by the transmitting device is a first state signal;

[0008] The receiving device receives the status signal sent by the transmitting device;

[0009] When the state signal received by the receiving device is the first state signal, the vehicle collision avoidance intervention function is turned off.

[0010] The first state signal here is equivalent to a special state or mark, and the mobile forklift is exempted from alarming or outputting a deceleration or parking signal for the transmitting device in the special state or mark.

[0011] Furthermore, the anti-collision control method further includes:

[0012] When the transmitting device does not meet one or more preset false alarm prevention conditions, if the distance between the receiving device and the transmitting device is less than a preset first safety distance threshold, the state signal emitted by the transmitting device is a second state signal;

[0013] When the state signal received by the receiving device is the second state signal, the first vehicle collision avoidance intervention function is turned on.

[0014] as well as

[0015] In the case where the state signal sent by the transmitting device is a first state signal, if the distance between the receiving device and the transmitting device is less than a preset second safety distance threshold, the state signal sent by the transmitting device is a third state signal;

[0016] When the state signal received by the receiving device is the third state signal, the second vehicle collision avoidance intervention function is turned on.

[0017] Among them, the first safety distance threshold is preferably greater than the second safety distance threshold, and the second state signal is different from the third state signal. Correspondingly, the execution action after the first vehicle collision avoidance intervention function is turned on is also different from the execution action after the second vehicle collision avoidance intervention function is turned on. Specifically, the collision avoidance intervention action on the vehicle executed after the first vehicle collision avoidance intervention function is turned on is more urgent, for example, the alarm sound is more urgent, or the vehicle is controlled to decelerate at a faster speed, or the vehicle is controlled to decelerate to a lower speed.

[0018] The first determination method that meets the false alarm prevention conditions includes:

[0019] The isolation area is preset based on the base station, and the base station ranging technology is used to determine whether the transmitter has entered the isolation area. If so, it is determined that the transmitter meets the anti-false alarm condition. In the case where the isolation area is a regular shape, the base station can accurately determine whether the transmitter has entered the isolation area. The regular shape refers to a shape with a central position, such as a square or a circle.

[0020] The second method for determining whether to meet the false alarm prevention condition also includes:

[0021] A first external switch is set at the entrance of the preset isolation area, wherein the first external switch can be activated when the transmitting device enters the isolation area, and it is determined whether the first external switch is activated. If so, it is determined that the transmitting device meets the anti-false alarm condition.

[0022] Furthermore, a second external switch is provided at the exit of the preset isolation area, wherein the second external switch can be activated when the transmitting device leaves the isolation area, and it is judged whether the external switch is activated. If so, it is judged that the transmitting device does not meet the anti-false alarm condition, otherwise it is judged that the transmitting device meets the anti-false alarm condition. The method of setting an external switch at the entrance and exit of the isolation area to judge whether the transmitting device is in the isolation area is preferably used when the isolation area is of an irregular shape.

[0023] Optionally, the first external switch and / or the second external switch is a card reader for reading electronic tags. Swiping a card at the entrance is marked as being free from alarm, and swiping a card at the exit is marked as restoring normal alarm.

[0024] Optionally, the first external switch and / or the second external switch is a biometric identification switch, and the anti-collision control method includes:

[0025] A preset authority database for storing authorized biometric information and corresponding transmitter identity information;

[0026] The first external switch collects biometric information and compares it with the biometric information in the authority database, and if they match, obtains the corresponding transmitter identity information and determines that the transmitter meets the false alarm prevention condition;

[0027] The second external switch collects biometric information and compares it with the biometric information in the authority database. If they match, the corresponding transmitter identity information is obtained, and it is determined that the transmitter does not meet the anti-false alarm condition. If the biometric verification is passed at the entrance, it is marked as free from alarm, and if the biometric verification is passed at the exit, it is marked as returning to normal alarm.

[0028] The third method for determining whether to meet the false alarm prevention conditions includes:

[0029] The current position coordinates of the transmitting device are determined by positioning technology to determine whether the current position coordinates enter the preset isolation area range. If so, it is determined that the transmitting device meets the anti-false alarm conditions.

[0030] Furthermore, the anti-collision control method further includes:

[0031] Preset reset area or reset switch;

[0032] It is determined whether the transmitter enters the reset area or triggers the reset switch. If so, it is determined that the transmitter does not meet the false alarm prevention condition. This reset mechanism plays a vital role in preventing the transmitter from meeting the false alarm prevention condition.

[0033] Furthermore, the controlling of the vehicle to perform an anti-collision intervention action includes:

[0034] triggering an alarm device; and / or

[0035] The deceleration mechanism of the vehicle is triggered. In the prior art, sound and light alarms are usually used to alert forklift drivers and pedestrians. The present invention proposes that the forklift can also be controlled to decelerate or stop, or the alarm and stop can be combined.

[0036] In another aspect, the present invention provides a vehicle collision avoidance control system, comprising:

[0037] Transmitters for pedestrians to carry to send status signals;

[0038] A receiving device installed on the vehicle, used to receive the status signal sent by the transmitting device;

[0039] a distance measuring device for measuring the distance between the receiving device and the transmitting device;

[0040] A writing device for writing a status signal to the transmitting device;

[0041] an anti-false alarm condition judgment module, used to judge whether the transmitting device meets one or more preset anti-false alarm conditions; and

[0042] A controller, configured to control the writing device to perform a writing action according to the following conditions: if a false alarm prevention condition is met, controlling the writing device to write a first state signal to the transmitting device;

[0043] The false alarm prevention mechanism is used to turn off the vehicle anti-collision intervention function when the status signal of the transmitting device is the first status signal.

[0044] Further, the anti-false alarm condition judgment module includes a base station arranged in the isolation area, a first external switch arranged at the entrance of the isolation area and / or a second external switch arranged at the exit of the isolation area;

[0045] The system further comprises a reset module, which is used to clear the first state signal written to the transmitting device when the transmitting device enters a reset area or a reset switch is triggered.

[0046] The vehicle anti-collision control method and control system provided by the present invention can produce the following beneficial effects:

[0047] a. If one or more anti-false alarm conditions are met, the forklift will not send out an anti-collision alarm signal;

[0048] b. The anti-collision alarm signal will be issued only when the anti-false alarm conditions do not exist and the distance between the person and the vehicle is too close;

[0049] c. The anti-false alarm conditions are flexible and diverse;

[0050] d. Set up a reset mechanism for the anti-false alarm conditions to prevent the false alarm conditions from being established. BRIEF DESCRIPTION OF THE DRAWINGS

[0051] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0052] Figure 1 is a flow chart of a vehicle collision avoidance control method provided by an embodiment of the present invention;

[0053] Figure 2 It is a schematic diagram of a vehicle anti-collision control judgment process provided by an embodiment of the present invention;

[0054] Figure 3 It is a module block diagram of a vehicle anti-collision control system provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0055] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0056] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, device, product or equipment that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or equipment.

[0057] In one embodiment of the present invention, a vehicle collision avoidance control method is provided. Figure 1 , the method comprises the following process:

[0058] M1. A receiving device capable of communicating with a transmitting device carried by pedestrians is installed on the vehicle, wherein when one or more preset false alarm prevention conditions are met, the status signal emitted by the transmitting device is a first status signal.

[0059] Specifically, the vehicle is a vehicle that needs to be monitored to prevent collision with pedestrians during operation. A forklift is used as an example for illustration below, but the present invention does not limit the vehicle type to a forklift. Specifically, the anti-false alarm condition refers to a condition for preventing false anti-collision alarms, that is, if the condition is met, it should be considered that there is no need to make an anti-collision alarm, for example, a person is safe in the vehicle-person isolation zone, and even if the distance between the person and the forklift is very close, there is no need to make an alarm. The anti-false alarm condition is described in detail below.

[0060] M2. The receiving device receives the status signal sent by the transmitting device.

[0061] Specifically, the receiving device preferably communicates with the transmitting device in a wireless manner, thereby receiving the status signal sent by the transmitting device.

[0062] M3. When the status signal received by the receiving device is the first status signal, the vehicle collision avoidance intervention function is turned off.

[0063] Once the vehicle anti-collision intervention function is turned off, it means that there is no need to detect the distance between the person and the vehicle to determine whether an anti-collision intervention action is required. The anti-collision intervention action includes an alarm action and / or a forklift deceleration action.

[0064] like Figure 1As shown, when the transmitting device does not meet one or more preset false alarm prevention conditions, if the distance between the receiving device and the transmitting device is less than a preset first safety distance threshold, the state signal emitted by the transmitting device is a second state signal;

[0065] When the state signal received by the receiving device is the second state signal, the first vehicle collision avoidance intervention function is turned on.

[0066] In the case where the state signal sent by the transmitting device is a first state signal, if the distance between the receiving device and the transmitting device is less than a preset second safety distance threshold, the state signal sent by the transmitting device is a third state signal;

[0067] When the state signal received by the receiving device is the third state signal, the second vehicle collision avoidance intervention function is turned on.

[0068] Optionally, the vehicle avoidance intervention function may include only the first vehicle avoidance intervention function, or only the second vehicle avoidance intervention function, or may include at least the first vehicle avoidance intervention function and the second vehicle avoidance intervention function, that is, the present invention does not limit the vehicle avoidance intervention function to also include a third vehicle avoidance intervention function.

[0069] Among them, the first safety distance threshold is preferably greater than the second safety distance threshold (the second safety distance threshold is also referred to as the emergency safety distance threshold below). For example, when one or more preset anti-false alarm conditions are not met, an anti-collision intervention action is required when it is detected that the person and the vehicle are 10 meters apart, and when one or more preset anti-false alarm conditions are met, an anti-collision intervention action is required only when it is detected that the person and the vehicle are 3 meters apart.

[0070] In addition, the second state signal is different from the third state signal. Correspondingly, the execution action after the first vehicle anti-collision intervention function is turned on is also different from the execution action after the second vehicle anti-collision intervention function is turned on (hereinafter referred to as anti-collision warning action). Specifically, the anti-collision intervention action on the vehicle executed after the first vehicle anti-collision intervention function is turned on is more urgent, for example, the alarm sound is more urgent, or the vehicle is controlled to decelerate at a faster speed, or the vehicle is controlled to decelerate to a lower speed, which is described in detail below.

[0071] In one embodiment of the present invention, a specific judgment process for vehicle collision avoidance is provided. Figure 2 , comprising the following steps: S1, installing a receiving device on the vehicle that can communicate with a transmitting device carried by pedestrians.

[0072] Specifically, the vehicle is a vehicle that needs to be monitored during operation to prevent collision with pedestrians. A forklift is used as an example for illustration below, but the present invention is not limited to the type of vehicle being a forklift. The transmitting device can emit its own status signal, including a first status signal and a second status signal. The receiving device receives the status signal emitted by the transmitting device. The first status signal and the second status signal serve as a basis for whether to perform a vehicle collision avoidance intervention action, as described in detail below.

[0073] S2. Determine whether the transmitting device meets one or more preset false alarm prevention conditions. If the false alarm prevention conditions are met, the transmitting device sends a first state signal and executes S4; if the false alarm prevention conditions are not met, execute S3.

[0074] Specifically, the anti-false alarm condition refers to the condition for preventing false anti-collision alarms, that is, if the condition is met, it should be considered that there is no need to make an anti-collision alarm. For example, people are safe in the human-vehicle isolation area, and even if the distance between the person and the forklift is very close, there is no need to make an alarm. The following are several ways to determine whether the above anti-false alarm conditions are met:

[0075] As a first practicable method, an isolation area is preset based on the base station, such as a rectangular, square or circular area centered on the base station as a safe isolation area. Through the base station ranging technology in the prior art, it can be determined whether the transmitting device has entered the isolation area. If so, it is determined that the transmitting device meets the anti-false alarm condition, and the transmitting device sends a first state signal. Specifically, it is necessary to preset a writing device that can write to the transmitting device. Optionally, the writing device is integrated with the transmitting device, such as the UWB (Ultra Wide Band) communication chip of the transmitting device, which can write to the transmitting device such as an electronic tag. When the current state signal of the transmitting device is the first state signal, it means that there is no need to alarm, even if the distance between the person and the vehicle is very close.

[0076] As a second feasible method, a first external switch is set at the entrance of the preset isolation area. To enter the isolation area, it is necessary to trigger the first external switch, such as swiping a card or fingerprint to open it. After verifying that it is a legitimate user, the access control can be opened for the user to enter. Among them, the first external switch can be activated when the transmitting device enters the isolation area, and it is determined whether the first external switch is activated. If so, it is determined that the transmitting device meets the anti-false alarm condition. For example, the first external switch is a card reader, which is used to read the information of an electronic tag (such as an electronic access control card). Only an authorized access control card can open the entrance of the isolation area. When the card reader reads a legitimate user, it is equivalent to the first external switch being activated, and at the same time, it will match the identity of the user's transmitting device, and then write the first state signal to the transmitting device. In a preferred embodiment of the present invention, the electronic tag read by the card reader can be integrated with the pedestrian's transmitting device. For another example, the first external switch can also be a biometric identification switch, which is used to collect and identify biometric information such as fingerprints, irises, facial prints, and palm veins. Specifically, a preset permission database is required to store authorized biometric information and corresponding transmitting device identity information, that is, in the database, Zhang San's fingerprint is associated with Zhang San's personal information, including the ID number of the transmitting device he should carry; the first external switch collects biometric information and compares it with the biometric information in the permission database. If they match, the corresponding transmitting device identity information (ID number) is obtained, and the first state signal can be written to the transmitting device according to the ID number of the identity device.

[0077] In order to prevent pedestrians from not entering the isolation area after successfully triggering the first external switch, it is preferred to set an anti-exit access control, that is, once the first external switch is successfully triggered, it is impossible to exit the isolation area from the entrance. If you want to leave the isolation area, you must leave through the exit.

[0078] Corresponding to the second feasible method, a second external switch is also provided at the exit of the isolation area. On the contrary, if the second external switch is actuated, indicating that the user has left the isolation area, it indicates that the transmitting device does not meet the anti-false alarm condition and needs to perform a normal anti-collision alarm judgment operation, as described in the following step S3. Similarly, the second external switch, like the first external switch, can be a card reader or a biometric recognition switch, as described above, which will not be repeated here.

[0079] As a third feasible method, the current position coordinates of the transmitting device are determined by positioning technology. For example, at least two base stations are used to position the transmitting device respectively. According to the angle relationship between the transmitting device and the two base stations, the current position coordinates of the transmitting device can be determined. Obviously, in addition to the above methods, the current position coordinates of the transmitting device can also be obtained by using a well-known positioning system such as GPS. It is determined whether the current position coordinates enter the preset isolation area range. If so, it is determined that the transmitting device meets the anti-false alarm condition.

[0080] It should be noted that in order to enhance safety, a combination of two or three of the above three feasible methods can be used to determine whether the anti-false alarm conditions are met, that is, the base station ranging must determine that the transmitting device is in the isolation area, and the first external switch must be actuated and the second external switch must not be actuated, or the positioned position coordinates must enter the preset isolation area range at the same time, before it can be determined that the transmitting device meets the anti-false alarm conditions. This can avoid some special situations. For example, pedestrians A and B who enter the isolation area through the action of the first external switch, their corresponding transmitting devices all meet the anti-false alarm conditions. If pedestrian A leaves the isolation area through the action of the second external switch, and B leaves immediately after A, the control system will not be able to make an accurate judgment on whether the transmitting device of pedestrian B still meets the anti-false alarm conditions. In this case, double anti-false alarm conditions are required for judgment.

[0081] S3. Determine whether the distance between the receiving device and the transmitting device is greater than a preset safety distance threshold. If so, the transmitting device sends a first state signal and executes S4. Otherwise, the transmitting device sends a second state signal and executes S4.

[0082] Step S3 is executed when the anti-false alarm condition is not met. Failure to meet the anti-false alarm condition does not mean that an immediate alarm is required, but it indicates that the current pedestrian is not in the safety isolation area and needs to be subject to normal anti-collision monitoring, that is, monitoring the distance between the pedestrian and the forklift. If it is within the safety distance threshold, it is necessary to control the writing of the second status signal to the transmitting device. Specifically, it can be achieved by a known rangefinder, the most common of which is radio frequency ranging technology, or by using, for example, an infrared rangefinder, a photoelectric rangefinder, etc. In a preferred embodiment of the present invention, it can be achieved by setting the receiving mileage of the receiving device to be equal to the preset safety distance threshold, that is, when the transmitting device enters the receiving mileage range, the receiving device can receive the status signal of the corresponding transmitting device, indicating that the following step S4 needs to be executed.

[0083] S4. Utilize the receiving device to receive the status signal of the transmitting device.

[0084] Specifically, the receiving mileage of the receiving device is set equal to the preset safety distance threshold. Therefore, when the receiving device is outside the receiving mileage range, the receiving device cannot receive any status information, and the forklift does not need to make any anti-collision intervention action. Only when the receiving device receives the status information of the transmitting device, the forklift may need to make an anti-collision intervention action.

[0085] S5. If the state signal of the transmitting device is the second state signal, control the vehicle to take an anti-collision intervention action.

[0086] In an embodiment of the present invention, the vehicle is controlled to perform an anti-collision intervention action only when two conditions are met at the same time. The first condition is that the transmitting device carried by the pedestrian does not meet the anti-false alarm condition, and the second condition is that the distance between the pedestrian (the transmitting device carried) and the forklift (the receiving device on it) is less than the safety distance threshold.

[0087] The specific anti-collision intervention action includes triggering an alarm device; and / or triggering a deceleration mechanism of the vehicle. The alarm device may use an audible and visual alarm, and the deceleration mechanism may decelerate or stop the forklift.

[0088] In one embodiment of the present invention, the anti-collision control method further includes:

[0089] A preset reset area or reset switch; determining whether the transmitting device enters the reset area or triggers the reset switch, and if so, determining that the transmitting device does not meet the false alarm prevention condition, that is, clearing the first state signal written to the transmitting device.

[0090] Among them, how to judge whether the transmitter enters the reset area can adopt the above-mentioned embodiment of judging whether the transmitter enters the isolation area, that is, using the external switch of the base station or the entrance and exit (card swiping or biometric recognition) as the basis for judgment, which will not be repeated here; it can also be judged whether to leave the above-mentioned safe isolation area, for example, the original setting of within 3 meters from the base station is the safe isolation area, when it is more than 5 meters away from the base station, it is considered to leave the free-alarm base station, and the first state signal written to the transmitter needs to be cleared at this time; or through positioning technology, it is determined that the current area where the transmitter is located has left the above-mentioned safe isolation area, then it is considered to leave the free-alarm base station, and the first state signal written to the transmitter needs to be cleared at this time. The triggering of the reset switch can be achieved by, for example, charging the transmitter.

[0091] To further illustrate the difference between the first state signal and the second state signal, in one embodiment of the present invention, if the transmitting device sends the first state signal, it is determined whether the distance between the receiving device and the transmitting device is less than the preset emergency safety distance threshold, and if so, a third state signal is sent, in which case, the vehicle is controlled to perform an anti-collision warning action. For the difference between the anti-collision warning action and the anti-collision intervention action, the anti-collision intervention action can be regarded as more urgent than the anti-collision warning action, such as the anti-collision intervention action is an alarm and controls the forklift to slow down or stop at the same time, while the anti-collision warning action is only an alarm, or the deceleration ratio under the anti-collision intervention action is greater or the deceleration acceleration is greater (can complete deceleration in a shorter time), such as deceleration to 5km / h or deceleration to stop, and the anti-collision warning action is decelerated to 8km / h (no stop); for another example, the setting value of the emergency safety distance threshold is smaller than the safety distance threshold in step S3, for example, if the anti-false alarm condition is not met, if the distance between the person and the vehicle is less than 5 meters, the anti-collision intervention action must be performed, and if the anti-false alarm condition is met, if the distance between the person and the vehicle is less than 2 meters, the anti-collision warning action is performed.

[0092] In one embodiment of the present invention, a vehicle collision avoidance control system is provided, such as Figure 3 As shown, the anti-collision control system includes:

[0093] Transmitters for pedestrians to carry to send status signals;

[0094] A receiving device installed on the vehicle, used to receive the status signal sent by the transmitting device;

[0095] a distance measuring device for measuring the distance between the receiving device and the transmitting device;

[0096] A writing device for writing a status signal to the transmitting device;

[0097] An anti-false alarm condition judgment module is used to judge whether the transmitting device meets one or more preset anti-false alarm conditions. Specifically, the anti-false alarm condition judgment module includes a base station arranged in the isolation area, a first external switch arranged at the entrance of the isolation area, or a second external switch arranged at the exit of the isolation area;

[0098] A controller, configured to control the writing device to perform a writing action according to the following conditions: if a false alarm prevention condition is met, controlling the writing device to write a first state signal to the transmitting device; and

[0099] The anti-false alarm mechanism is used to turn off the vehicle anti-collision intervention function when the state signal of the transmitting device is the first state signal. Specifically, the actuator for turning on the vehicle anti-collision intervention function may include an audible and visual alarm and / or a forklift deceleration mechanism, and the audible and visual alarm and / or the forklift deceleration mechanism may be controlled by a forklift vehicle controller (different from the above controller).

[0100] Similarly to the above-mentioned vehicle anti-collision control method embodiment, the vehicle anti-collision control system provided in the embodiment of the present invention also includes a functional module for executing each step of the above-mentioned method embodiment, such as executing the steps of turning on the first vehicle anti-collision intervention function and / or the second vehicle anti-collision intervention function according to corresponding conditions, such as determining that multiple implementation methods meet the anti-false alarm conditions, which will not be repeated here.

[0101] In a preferred embodiment of the present invention, the system further comprises a reset module, which is used to clear the first state signal written to the transmitter when the transmitter enters the reset area or the reset switch is triggered. In an embodiment of the present invention, the tire operation data can also be uploaded to the system server wirelessly.

[0102] It should be noted that: the vehicle anti-collision control system provided in the above embodiment only uses the division of the above functional modules as an example when performing vehicle anti-collision control. In actual applications, the above functional distribution can be completed by different functional modules as needed, that is, the internal structure of the vehicle anti-collision control system is divided into different functional modules to complete all or part of the functions described above. In addition, the vehicle anti-collision control system embodiment provided in this embodiment and the vehicle anti-collision control method provided in the above embodiment belong to the same concept. The specific implementation process is detailed in the method embodiment. The entire content of the method embodiment is introduced into the vehicle anti-collision control system embodiment by reference, and will not be repeated here.

[0103] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A vehicle collision avoidance control method, characterized in that: include: A receiving device capable of communicating with a transmitting device carried by pedestrians is installed on the vehicle, wherein when one or more preset anti-false alarm conditions are met, the state signal emitted by the transmitting device is a first state signal; wherein the method for determining whether the anti-false alarm conditions are met includes: setting a first external switch at the entrance of a preset isolation area, wherein the first external switch is a biometric identification switch; a preset authority database is used to store authorized biometric information and corresponding transmitter identity information; when the transmitting device enters the isolation area, the first external switch collects biometric information and compares it with the biometric information in the authority database, and if they match, the corresponding transmitter identity information is obtained, and it is determined that the transmitting device meets the anti-false alarm conditions; when the transmitting device does not meet one or more preset anti-false alarm conditions, if the distance between the receiving device and the transmitting device is less than a preset first safety distance threshold, the state signal emitted by the transmitting device is a second state signal; The receiving device receives the status signal sent by the transmitting device; When the state signal received by the receiving device is a first state signal, the vehicle collision avoidance intervention function is turned off; when the state signal received by the receiving device is a second state signal, the vehicle collision avoidance intervention function is turned on; The vehicle anti-collision control method further includes: presetting a reset area or a reset switch; Determine whether the transmitting device enters the reset area or triggers the reset switch, and if so, the first state signal emitted by the transmitting device is cleared, wherein the triggering of the reset switch is achieved by charging the transmitting device; The vehicle anti-collision control method also includes: when the status signal emitted by the transmitting device is a first status signal, if the distance between the receiving device and the transmitting device is less than a preset second safety distance threshold, the status signal emitted by the transmitting device is a third status signal; when the status signal received by the receiving device is the third status signal, the vehicle anti-collision warning function is turned on: the anti-collision intervention function is an alarm and controls the vehicle to decelerate or stop at the same time, and the anti-collision warning function is only an alarm; or, compared with the anti-collision warning function, the deceleration ratio under the anti-collision intervention function is greater or the deceleration acceleration is greater.

2. The anti-collision control method according to claim 1, characterized in that: The determination methods that meet the false alarm prevention conditions include: An isolation area is preset based on the base station, and the base station ranging technology is used to determine whether the transmitting device enters the isolation area. If so, it is determined that the transmitting device meets the false alarm prevention condition; or, The current position coordinates of the transmitting device are determined by positioning technology to determine whether the current position coordinates enter the preset isolation area range. If so, it is determined that the transmitting device meets the anti-false alarm conditions.

3. The anti-collision control method according to claim 1, characterized in that: The determination methods that meet the false alarm prevention conditions include: A second external switch is set at the preset isolation area exit, wherein the second external switch can be activated when the transmitting device leaves the isolation area, and it is judged whether the external switch is activated. If so, it is determined that the transmitting device does not meet the anti-false alarm condition; otherwise, it is determined that the transmitting device meets the anti-false alarm condition.

4. The anti-collision control method according to claim 3, characterized in that: The first external switch and / or the second external switch is a card reader for reading an electronic tag.

5. The anti-collision control method according to claim 3, characterized in that: The second external switch is a biometric identification switch, and the determination method for meeting the false alarm prevention condition includes: The second external switch collects biometric information and compares it with the biometric information in the authority database. If a match is found, the corresponding transmitter identity information is obtained and it is determined that the transmitter does not meet the false alarm prevention condition.

6. A vehicle collision avoidance control system, characterized in that: The vehicle collision avoidance control system is configured to execute the collision avoidance control method according to any one of claims 1 to 5, the vehicle collision avoidance control system comprising: Transmitters for pedestrians to carry to send status signals; A receiving device installed on the vehicle, used to receive the status signal sent by the transmitting device; a distance measuring device for measuring the distance between the receiving device and the transmitting device; A writing device for writing a status signal to the transmitting device; An anti-false alarm condition judgment module, used to judge whether the transmitting device meets one or more preset anti-false alarm conditions; as well as A controller, configured to control the writing device to perform a writing action according to the following conditions: if a false alarm prevention condition is met, controlling the writing device to write a first state signal to the transmitting device; The false alarm prevention mechanism is used to turn off the vehicle anti-collision intervention function when the status signal of the transmitting device is the first status signal.

7. The collision avoidance control system according to claim 6, characterized in that: The anti-false alarm condition judgment module includes a base station arranged in the isolation area, a first external switch arranged at the entrance of the isolation area and / or a second external switch arranged at the exit of the isolation area.

8. The collision avoidance control system according to claim 6, characterized in that: The system further comprises a reset module, which is used to clear the first state signal written to the transmitting device when the transmitting device enters a reset area or a reset switch is triggered.

Citation Information

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