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Real-time path planning method and system based on multiple regions

A real-time path planning and path planning technology, applied in control/adjustment systems, two-dimensional position/channel control, vehicle position/route/altitude control, etc., which can solve the inability to perform new tasks, increase the cost and loss of adjustment in the middle section overall efficiency, etc.

Active Publication Date: 2021-05-11
NANJING PANDA ELECTRONICS +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003]Currently existing path planning methods are divided into two categories. The first type is to pre-plan the global path. Before the execution of the current task is completed, other tasks cannot use this task. Occupied routes and points, the advantage of this type of path planning method is that it avoids path conflicts during task execution, but the disadvantage is that it is not flexible enough, and the overall efficiency is lost. There may be all other new tasks during the execution of a certain task The other is real-time planning, which is often said to "take one step at a time", and plan the next move after completing the current move. The advantage of this type of path planning method is that it is flexible and can adjust the path in real time. The disadvantage is the lack of overall planning, increased adjustment costs in the middle section, and reduced operating efficiency of a single device and single task. It has extremely high requirements for the hardware capabilities of the device, the algorithm of the scheduling system, and the real-time performance of the network connection.

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  • Real-time path planning method and system based on multiple regions
  • Real-time path planning method and system based on multiple regions
  • Real-time path planning method and system based on multiple regions

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Embodiment Construction

[0021] The technical solutions of the present invention will be further described below in conjunction with the examples.

[0022] Such as figure 1 as shown, figure 1 is a schematic diagram of segmented task path planning. The system receives task 1, the starting point is S, and the end point is E. The system finds several intermediate points A and D that the task must pass through the global planning, and divides the entire task into three sections: S-A, A-D, and D-E. When the AGV equipment starts to perform tasks at point S, the system performs path planning for the S-A segment. When the AGV equipment runs to point A, the system plans the path of the A-D segment task as A-b-c-D, where b and c are the intermediate points automatically added by the system.

[0023] Such as figure 2 as shown, figure 2 It is a schematic diagram of stage 1. At this time, the device AGV1 is executing the segment task A-b-c-D of task 1, and the device AGV1 runs to point c. At this time, c an...

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Abstract

The invention discloses a real-time path planning method and system based on multiple regions, and the method comprises the following steps: map construction, segmented task path planning, generation of a point location list and a point location lock list, point location comparison and task execution, and a real-time path planning system based on multiple regions is also provided. According to the method and the system, the characteristics of real-time scheduling and flexible control of the equipment are combined, the point location lock list and the point location list are compared in real time, related point locations are unlocked from the point location lock list in time, different tasks cannot lock the same point location at the same time, the purpose that multiple pieces of equipment and multiple tasks are parallel and do not conflict is achieved. The task execution efficiency is improved, the task conflict and the equipment waiting time are effectively reduced, and the equipment use efficiency is improved. And meanwhile, the real-time requirements on the equipment hardware capability and the field network environment are reduced, the equipment investment and the operation and maintenance investment are reduced, and the input-output ratio is improved. The method and the system are high in operability, good in universality and strong in adaptability.

Description

technical field [0001] The present invention relates to a real-time path planning method and system, in particular to a multi-region-based real-time path planning method and system. Background technique [0002] In recent years, with the advancement of industry and technology, AGV has become an important equipment for factory logistics handling and storage handling. In a large-scale application environment, it has become normal for multiple devices to perform tasks in multiple regions, and the more devices, the larger the span of the region, and the path planning when the devices perform tasks is particularly important. [0003] The existing path planning methods are divided into two categories. The first type is to pre-plan the global path. Before the current task is executed, other tasks cannot use the route and points occupied by the task. The advantage of this type of path planning method is that It avoids path conflicts in the process of task execution, but the disadva...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D1/02
CPCG05D1/0221
Inventor 田铮铮陆晶晶刘生应仲文
Owner NANJING PANDA ELECTRONICS