AGV intelligent traffic management and control system for in-plant transportation of automobile bumpers
By designing the AGV intelligent traffic control system in the automobile bumper factory, the safety risks caused by the cross-path of AGV are solved, and the safe and orderly operation and transportation efficiency of AGV and operators are improved.
Patent Information
- Application Number
- CN202411595871.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-11
- Publication Date
- 2025-02-25
AI Technical Summary
In automobile bumper factories, the transportation path of AGVs is often limited, resulting in the crossing of paths between AGVs and between AGVs and operators, which may cause damage to personnel and equipment.
An intelligent traffic control system for transporting AGV in the automobile bumper factory is designed, including an on-board control unit and an intersection area control unit. The driving positioning module and on-board communication module are used to obtain and transmit the driving information and scheduling strategies of AGV, so as to realize the control of people-vehicle intersections, vehicle-vehicle intersections and two-way overlapping areas.
It effectively avoids cross-track conflicts between AGVs and between AGVs and operators, ensures safe and orderly operation within the factory area, and improves transportation efficiency.
Smart Images
Figure CN119512095A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of AGV intelligent traffic control, and in particular to an AGV intelligent traffic control system for in-factory transportation of automobile bumpers. Background Art
[0002] AGV (Automated Guided Vehicle) is an industrial vehicle that loads goods automatically or manually, drives automatically along a set route or pulls a cargo trolley to a designated location, and then loads and unloads goods automatically or manually. This type of vehicle is widely used in automobile product manufacturing production lines. However, when designing the AGV intelligent transportation transformation in the original factory area of a certain automobile bumper, the transportation path is often restricted. There are intersections between AGVs in the factory area and between AGVs and operators. This intersection conflict may cause damage to personnel and equipment.
[0003] In summary, in order to ensure the safe and orderly operation of workers and AGVs in the automobile bumper factory, it is urgent to design an AGV intelligent traffic control system. Summary of the invention
[0004] In order to solve the safety risks brought about by the possible vehicle-vehicle path intersection and overlap, and human-vehicle path intersection problems of AGVs transporting automobile bumpers in a factory, and at the same time improve the operation efficiency, the present invention provides an intelligent traffic control system for AGVs transporting automobile bumpers in a factory.
[0005] To achieve the purpose of the present invention, the technical solution provided by the present invention is as follows:
[0006] An AGV intelligent traffic control system for in-plant transportation of automobile bumpers, comprising an on-board control unit installed on the AGV vehicle and an intersection area control unit installed in the factory area;
[0007] The vehicle-mounted control unit includes a driving positioning module and a vehicle-mounted communication module; wherein the driving positioning module is used to obtain the driving information and real-time location information of the AGV; the vehicle-mounted communication module is used to transmit the driving information, real-time location information and priority information of the AGV to the intersection area control unit, and at the same time receive the scheduling strategy transmitted by the intersection area control unit for the AGV to execute;
[0008] The intersection area control unit includes a pedestrian-vehicle intersection control subunit, a vehicle-vehicle intersection control subunit and a two-way overlap area control subunit;
[0009] The pedestrian-vehicle intersection control subunit includes a pedestrian-vehicle intersection signal light, a pedestrian-vehicle intersection broadcast and a pedestrian-vehicle intersection communication module; wherein the pedestrian-vehicle intersection signal light is used to display the traffic conditions to control the passage or stop of pedestrians; the pedestrian-vehicle intersection broadcast is used to broadcast the traffic conditions to assist the pedestrian-vehicle intersection signal light in controlling the passage or stop of pedestrians; the pedestrian-vehicle intersection communication module is used to receive the driving information and real-time position information of each AGV and transmit it to the pedestrian-vehicle intersection signal light and the pedestrian-vehicle intersection broadcast, and pedestrians execute pedestrian control strategies according to the conditions of the pedestrian-vehicle intersection signal light and the pedestrian-vehicle intersection broadcast;
[0010] The vehicle-to-vehicle intersection control subunit includes a vehicle-to-vehicle intersection dispatching module and a vehicle-to-vehicle intersection communication module; wherein the vehicle-to-vehicle intersection dispatching module is used to process the driving information, real-time location information and priority information of the AGV and provide a vehicle-to-vehicle intersection dispatching strategy; the vehicle-to-vehicle intersection communication module is used to receive the driving information, real-time location information and priority information of each AGV and transmit the vehicle-to-vehicle intersection dispatching strategy to the AGV in the vehicle-to-vehicle intersection area;
[0011] The bidirectional overlapping area control subunit includes an overlapping area scheduling module and an overlapping area communication module; wherein the overlapping area scheduling module is used to process the driving information, real-time location information and priority information of the AGVs in the overlapping area and at the entrances and exits and provide an overlapping area scheduling strategy; the overlapping area communication module is used to receive the driving information, real-time location information and priority information of each AGV and transmit the overlapping area scheduling strategy to the AGVs in the overlapping area and at the entrances and exits.
[0012] Compared with the prior art, the present invention has the following beneficial effects:
[0013] The present invention provides an intelligent traffic control system for AGVs for transporting automobile bumpers within a factory, including a pedestrian control strategy at pedestrian-vehicle intersections, a vehicle-vehicle intersection scheduling strategy at vehicle-vehicle intersections, and a scheduling strategy for the overlapping area within the two-way overlapping area and at the entrances and exits. According to the above three strategies, the passage of pedestrians and AGVs can effectively avoid damage to personnel and equipment, thereby achieving safe and orderly operation within the factory. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 The figure is a schematic diagram of the system architecture in an embodiment of the present invention;
[0015] Figure 2 Shown is a schematic diagram of a vehicle-to-vehicle intersection in an embodiment of the present invention;
[0016] Figure 3Shown is a schematic diagram of the overlapped area and the entrance and exit in an embodiment of the present invention;
[0017] Figure 4 The figure is a schematic diagram of the process flow of calculating the vehicle-to-vehicle intersection scheduling strategy by the vehicle-to-vehicle intersection scheduling module in the embodiment of the present invention;
[0018] Figure 5 The figure is a schematic diagram of the flow of calculating the scheduling strategy for the overlapped area and the entrances and exits in the overlapped area by the overlapped area scheduling module in an embodiment of the present invention. DETAILED DESCRIPTION
[0019] The following is a clear and complete description of the technical solutions in the embodiments of the present invention 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 are within the scope of protection of the present invention.
[0020] like Figure 1 As shown, this embodiment provides an AGV intelligent traffic control system for in-plant transportation of automobile bumpers, including an on-board control unit installed on the AGV vehicle and an intersection area control unit installed in the factory area;
[0021] The vehicle-mounted control unit includes a driving positioning module and a vehicle-mounted communication module; wherein the driving positioning module is used to obtain the driving information and real-time location information of the AGV; the vehicle-mounted communication module is used to transmit the driving information, real-time location information and priority information of the AGV to the intersection area control unit, and at the same time receive the scheduling strategy transmitted by the intersection area control unit for the AGV to execute;
[0022] The intersection area control unit includes a pedestrian-vehicle intersection control subunit, a vehicle-vehicle intersection control subunit and a two-way overlap area control subunit;
[0023] The pedestrian-vehicle intersection control subunit includes a pedestrian-vehicle intersection signal light, a pedestrian-vehicle intersection broadcast and a pedestrian-vehicle intersection communication module; wherein the pedestrian-vehicle intersection signal light is used to display the traffic conditions to control the passage or stop of pedestrians; the pedestrian-vehicle intersection broadcast is used to broadcast the traffic conditions to assist the pedestrian-vehicle intersection signal light in controlling the passage or stop of pedestrians; the pedestrian-vehicle intersection communication module is used to receive the driving information and real-time position information of each AGV and transmit it to the pedestrian-vehicle intersection signal light and the pedestrian-vehicle intersection broadcast, and pedestrians execute pedestrian control strategies according to the conditions of the pedestrian-vehicle intersection signal light and the pedestrian-vehicle intersection broadcast;
[0024] The vehicle-to-vehicle intersection control subunit includes a vehicle-to-vehicle intersection dispatching module and a vehicle-to-vehicle intersection communication module; wherein the vehicle-to-vehicle intersection dispatching module is used to process the driving information, real-time location information and priority information of the AGV and provide a vehicle-to-vehicle intersection dispatching strategy; the vehicle-to-vehicle intersection communication module is used to receive the driving information, real-time location information and priority information of each AGV and transmit the vehicle-to-vehicle intersection dispatching strategy to the AGV in the vehicle-to-vehicle intersection area;
[0025] The bidirectional overlapping area control subunit includes an overlapping area scheduling module and an overlapping area communication module; wherein the overlapping area scheduling module is used to process the driving information, real-time location information and priority information of the AGVs in the overlapping area and at the entrances and exits and provide an overlapping area scheduling strategy; the overlapping area communication module is used to receive the driving information, real-time location information and priority information of each AGV and transmit the overlapping area scheduling strategy to the AGVs in the overlapping area and at the entrances and exits.
[0026] In a preferred embodiment, the pedestrian control strategy is: pedestrians give way and AGVs have priority.
[0027] In a preferred embodiment, the driving information of the AGV includes a driving path and a driving direction.
[0028] In a preferred embodiment, the vehicle-mounted communication module is also used to send the driving information and real-time location information of the AGV in which it is located to the vehicle-mounted control units of other AGVs located in the vehicle-to-vehicle intersection area, the overlapping area and the entrance and exit.
[0029] In a preferred embodiment, Figure 4 As shown, the vehicle-to-vehicle intersection scheduling module is used to process the driving information, real-time location information and priority information of the AGV and provide a vehicle-to-vehicle intersection scheduling strategy, specifically: in the vehicle-to-vehicle intersection area, it is determined whether there is a collision risk with a safety distance less than a preset value based on the driving information and real-time location information of the AGV; if so, first allow the AGV with a higher priority to pass, and then control the AGV with a lower priority to pass.
[0030] like Figure 2 As shown, in an embodiment, the vehicle-to-vehicle intersection scheduling module obtains the driving information, real-time location information and priority information of AGV1 and AGV2 in real time; determines whether AGV1 and AGV2 will have a conflict situation less than the safety distance at the intersection; if so, extracts the priority information of AGV1 and AGV2, and gives a vehicle-to-vehicle intersection scheduling strategy: among AGV1 and AGV2, the AGV with a lower priority waits at the go-stop line, and the AGV with a higher priority passes through the intersection first, and then the AGV with a lower priority runs through; if not, returns to repeat the above steps.
[0031] In a preferred embodiment, Figure 5 As shown, the overlapping area scheduling module is used to process the driving information, real-time location information and priority information of the AGVs in the overlapping area and at the entrances and exits and give the overlapping area scheduling strategy, specifically: in the overlapping area and at the entrances and exits, the AGVs are judged to be traveling in opposite directions or in the same direction based on their driving direction. If there are AGVs traveling in the same direction in the overlapping area and the safety distance is greater than the preset value, the entrance and exit AGV can enter directly; if there are AGVs traveling in opposite directions in the overlapping area, the entrance and exit AGV needs to stop and wait, and then enter after the AGVs in the overlapping area drive out; the entrances and exits at both ends of the overlapping area are scheduled according to the priority of the AGVs. When traveling in the same direction, the higher priority AGV enters first, and the lower priority AGV enters later; when traveling in opposite directions, the higher priority AGV enters first and exits first, and the lower priority AGV enters.
[0032] like Figure 3 As shown, a schematic diagram of an embodiment of the overlapped area and the entrance and exit is given; the road where AGV1 is located is the overlapped area, and the intersection of the road where AGV1 and AGV2 are located and the intersection of the road where AGV1 and AGV3 are located are the entrances and exits. The overlapped area scheduling module is used to process the driving information, real-time location information and priority information of AGV1, AGV2 and AGV3 in the overlapped area and the entrance and exit and give the overlapped area scheduling strategy; the overlapped area communication module is used to receive the driving information, real-time location information and priority information of AGV1, AGV2 and AGV3 and transmit the overlapped area scheduling strategy to AGV1, AGV2 and AGV3 in the overlapped area and the entrance and exit.
[0033] In a preferred embodiment, the vehicle-to-vehicle intersection scheduling module is further used to send warning information to other AGVs in the intersection area when the target AGV passes through the intersection; the target AGV is the AGV with the highest priority among the AGVs in the intersection area.
[0034] The overlap area scheduling module is also used to send warning information to other AGVs in the overlap area and at the entrance and exit when the target AGV passes through the overlap area and the entrance and exit; the target AGV is the AGV with the highest priority among the AGVs in the overlap area and at the entrance and exit.
[0035] Among them, the on-board control unit also includes a touch display screen, which is used to display in real time the number information, priority information, and driving information of the AGV where the touch display screen is located, and at the same time display the driving information, real-time location information and warning information of other AGVs in the received vehicle-to-vehicle intersection area, overlapping area and entrances and exits.
[0036] In a preferred embodiment, the vehicle-mounted communication module uses WiFi communication technology to communicate with the intersection area control unit through a wireless network.
[0037] Finally, it should be noted that the above embodiments are only used to illustrate and explain the present invention, and are not intended to limit the present invention to the scope of the described embodiments. In addition, those skilled in the art can understand that the present invention is not limited to the above embodiments, and more variations and modifications can be made according to the teachings of the present invention, and these variations and modifications all fall within the scope of the protection claimed by the present invention.
Claims
1. An AGV intelligent traffic control system for in-plant transportation of automobile bumpers, characterized in that: It includes the on-board control unit installed on the AGV vehicle and the intersection area control unit installed in the factory area; The vehicle-mounted control unit includes a driving positioning module and a vehicle-mounted communication module; wherein the driving positioning module is used to obtain the driving information and real-time location information of the AGV; the vehicle-mounted communication module is used to transmit the driving information, real-time location information and priority information of the AGV to the intersection area control unit, and at the same time receive the scheduling strategy transmitted by the intersection area control unit for the AGV to execute; The intersection area control unit includes a pedestrian-vehicle intersection control subunit, a vehicle-vehicle intersection control subunit and a two-way overlap area control subunit; The pedestrian-vehicle intersection control subunit includes a pedestrian-vehicle intersection signal light, a pedestrian-vehicle intersection broadcast and a pedestrian-vehicle intersection communication module; wherein the pedestrian-vehicle intersection signal light is used to display the traffic conditions to control the passage or stop of pedestrians; the pedestrian-vehicle intersection broadcast is used to broadcast the traffic conditions to assist the pedestrian-vehicle intersection signal light in controlling the passage or stop of pedestrians; the pedestrian-vehicle intersection communication module is used to receive the driving information and real-time position information of each AGV and transmit it to the pedestrian-vehicle intersection signal light and the pedestrian-vehicle intersection broadcast, and pedestrians execute pedestrian control strategies according to the conditions of the pedestrian-vehicle intersection signal light and the pedestrian-vehicle intersection broadcast; The vehicle-to-vehicle intersection control subunit includes a vehicle-to-vehicle intersection dispatching module and a vehicle-to-vehicle intersection communication module; wherein the vehicle-to-vehicle intersection dispatching module is used to process the driving information, real-time location information and priority information of the AGV and provide a vehicle-to-vehicle intersection dispatching strategy; the vehicle-to-vehicle intersection communication module is used to receive the driving information, real-time location information and priority information of each AGV and transmit the vehicle-to-vehicle intersection dispatching strategy to the AGV in the vehicle-to-vehicle intersection area; The bidirectional overlapping area control subunit includes an overlapping area scheduling module and an overlapping area communication module; wherein the overlapping area scheduling module is used to process the driving information, real-time location information and priority information of the AGVs in the overlapping area and at the entrances and exits and provide an overlapping area scheduling strategy; the overlapping area communication module is used to receive the driving information, real-time location information and priority information of each AGV and transmit the overlapping area scheduling strategy to the AGVs in the overlapping area and at the entrances and exits.
2. According to claim 1, the AGV intelligent traffic control system for in-plant transportation of automobile bumpers is characterized in that: The pedestrian control strategy is: pedestrians give way and AGVs have priority.
3. The AGV intelligent traffic control system for in-plant transportation of automobile bumpers according to claim 1 is characterized in that: The driving information of the AGV includes a driving path and a driving direction.
4. The AGV intelligent traffic control system for in-plant transportation of automobile bumpers according to claim 3 is characterized in that: The vehicle-mounted communication module is also used to send the driving information and real-time location information of the AGV in which it is located to the vehicle-mounted control units of other AGVs located in the vehicle-to-vehicle intersection area, the overlapping area and the entrance and exit.
5. The AGV intelligent traffic control system for in-plant transportation of automobile bumpers according to claim 4 is characterized in that: The vehicle-to-vehicle intersection scheduling module is used to process the driving information, real-time location information and priority information of the AGV and provide a vehicle-to-vehicle intersection scheduling strategy, specifically: in the vehicle-to-vehicle intersection area, based on the driving information and real-time location information of the AGV, determine whether there is a collision risk with a safety distance less than a preset value; if so, first allow the AGV with a higher priority to pass, and then control the AGV with a lower priority to pass.
6. The AGV intelligent traffic control system for in-plant transportation of automobile bumpers according to claim 4 is characterized in that: The overlapping area scheduling module is used to process the driving information, real-time location information and priority information of the AGVs in the overlapping area and at the entrances and exits and give the overlapping area scheduling strategy, specifically: in the overlapping area and at the entrances and exits, the AGVs are judged to be traveling in opposite directions or in the same direction according to their driving direction. If there are AGVs traveling in the same direction in the overlapping area and the safety distance is greater than the preset value, the entrance and exit AGVs can enter directly; if there are AGVs traveling in opposite directions in the overlapping area, the entrance and exit AGVs need to stop and wait, and then enter after the AGVs in the overlapping area have exited; the entrances and exits at both ends of the overlapping area are scheduled according to the AGV priority. When traveling in the same direction, the higher priority AGV enters first, and the lower priority AGV enters later; when traveling in opposite directions, the higher priority AGV enters first and exits first, and then the lower priority AGV enters.
7. The AGV intelligent traffic control system for in-plant transportation of automobile bumpers according to claim 4 is characterized in that: The vehicle-to-vehicle intersection scheduling module is also used to send warning information to other AGVs in the intersection area when the target AGV passes through the intersection; the target AGV is the AGV with the highest priority among the AGVs in the intersection area.
8. The AGV intelligent traffic control system for in-plant transportation of automobile bumpers according to claim 7 is characterized in that: The overlap area scheduling module is also used to send warning information to other AGVs in the overlap area and at the entrance and exit when the target AGV passes through the overlap area and the entrance and exit; the target AGV is the AGV with the highest priority among the AGVs in the overlap area and at the entrance and exit.
9. The AGV intelligent traffic control system for in-plant transportation of automobile bumpers according to claim 8 is characterized in that: The on-board control unit also includes a touch display screen for displaying in real time the number information, priority information, and driving information of the AGV where the touch display screen is located, and at the same time displays the driving information, real-time location information, and warning information of other AGVs received in the vehicle-to-vehicle intersection area, the overlapping area, and the entrances and exits.
10. The AGV intelligent traffic control system for in-plant transportation of automobile bumpers according to claim 1 is characterized in that: The vehicle-mounted communication module adopts WiFi communication technology to communicate with the intersection area control unit through a wireless network.