CN115829182B - Engineering machinery dispatching method and device based on variable geo-fences - Google Patents
Engineering machinery dispatching method and device based on variable geo-fences Download PDFInfo
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- CN115829182B CN115829182B CN202310102676.0A CN202310102676A CN115829182B CN 115829182 B CN115829182 B CN 115829182B CN 202310102676 A CN202310102676 A CN 202310102676A CN 115829182 B CN115829182 B CN 115829182B
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Abstract
The invention provides a variable geo-fence-based engineering machinery dispatching method and device, which can determine an engineering machinery to be selected based on a target engineering position and engineering parameters in an engineering machinery construction order, and can determine an adjusting mode aiming at a safety supervision condition of the selected engineering machinery by combining whether the target engineering position is in the geo-fence of the selected engineering machinery and the area of a non-intersection region corresponding to an optimal dispatching path, wherein when the target engineering position is not in the geo-fence of the selected engineering machinery, an alarm threshold value of the selected engineering machinery is set to be 1 from 0, when the area of the non-intersection region is smaller than or equal to a preset area threshold value, the alarm threshold value of the selected engineering machinery is determined based on the optimal dispatching path, and dispatching is carried out, or when the area of the non-intersection region is larger than the preset area threshold value, the geo-fence of the selected engineering machinery is expanded, and the safety supervision capability of the engineering machinery is considered while the dispatching work can be ensured to improve the dispatching efficiency of the engineering machinery.
Description
Technical Field
The invention relates to the technical field of geo-fences, in particular to a variable geo-fence based engineering machinery dispatching method and device.
Background
Engineering machinery as important mechanical equipment needs to be supervised in a key mode, so that the position of the engineering machinery is often accurately positioned in real time by adopting the internet of vehicles technology at present, and corresponding geographic fences are set for the engineering machinery so as to monitor whether the engineering machinery exceeds a specified geographic fence area to perform business operation. Typically, each work machine cannot exceed its preset geofence range to ensure safety of the work machine. Wherein an alarm is triggered by any work machine whenever it leaves or enters the geofence area it enters.
However, since the tonnage is divided among the engineering machines of the same type, and the engineering machines, especially the engineering machines of the same type, are usually distributed in a dispersed manner and are partially remote, when a construction order is received, in order to allocate a suitable engineering machine to the construction order to complete the construction task corresponding to the construction order, it is usually difficult to lock the engineering machine which satisfies the conditions of the type of work, the tonnage, and the operation process completely meeting the security supervision of the geo-fence, and the like, and the order dispatch is easily failed, so that the order dispatch operation needs to be repeatedly performed. Therefore, an engineering machine dispatching method capable of giving consideration to dispatching efficiency and safety supervision is needed to meet the requirements on construction efficiency and machine safety in the engineering machine dispatching scene.
Disclosure of Invention
The invention provides a variable geo-fence based engineering machinery dispatching method and device, which are used for solving the defect that in the prior art, dispatching is easy to fail and needs to be repeated.
The invention provides an engineering machinery dispatching method based on a variable geo-fence, which comprises the following steps:
step 110: determining the engineering machinery to be selected and the optimal dispatching path of the engineering machinery to be selected based on the target engineering position and the engineering parameters in the construction order of the engineering machinery;
step 120: judging whether the target project position is in a geographic fence of the to-be-selected engineering machinery, and determining the area of a non-intersection area corresponding to the optimal dispatch path; the non-intersection area is an enclosed area formed by sub-paths outside the geo-fence of the engineering machine to be selected in the optimal dispatch path and the geo-fence boundary of the engineering machine to be selected;
step 130: if the target engineering position is not in the geo-fence of the engineering machine to be selected, setting the alarm threshold value of the engineering machine to be selected from 0 to 1;
step 140: if the area of the non-intersection area is smaller than or equal to a preset area threshold, determining an alarm threshold of the to-be-selected engineering machinery based on the optimal dispatch route, and dispatching a dispatch to the to-be-selected engineering machinery;
step 150: and if the area of the non-intersection area is larger than a preset area threshold value, enlarging the geo-fence of the to-be-selected engineering machine, and skipping to the step 120.
According to the engineering machinery dispatching method based on the variable geo-fence provided by the invention, if the area of the non-intersection area is smaller than or equal to a preset area threshold, the alarm threshold of the engineering machinery to be selected is determined based on the optimal dispatching route, and the dispatching is performed to the engineering machinery to be selected, specifically comprising the following steps:
if the area of the non-intersection area is larger than 0 and smaller than or equal to a preset area threshold value, determining the number of intersections between the optimal dispatch route and the geo-fence boundary of the engineering machine to be selected;
and adjusting the alarm threshold value of the to-be-selected engineering machinery based on the sum of the number of the cross points between the optimal dispatch path and the geo-fence boundary of the to-be-selected engineering machinery and the current alarm threshold value of the to-be-selected engineering machinery, and dispatching the to-be-selected engineering machinery.
According to the engineering machinery dispatching method based on the variable geo-fence provided by the invention, if the area of the non-intersection area is larger than the preset area threshold, the geo-fence of the engineering machinery to be selected is enlarged, which specifically comprises the following steps:
determining a farthest path point farthest from the current geo-fence boundary of the engineering machine to be selected in the optimal dispatch path, and establishing a shortest perpendicular line between the farthest path point and the current geo-fence boundary of the engineering machine to be selected;
and expanding the geo-fence of the engineering machine to be selected according to the direction of the shortest perpendicular line between the farthest path point and the current geo-fence boundary of the engineering machine to be selected on the basis of a preset step length.
According to the engineering machinery dispatching method based on the variable geo-fence, provided by the invention, the preset step length is determined based on the following steps:
determining a ratio between the non-intersection region and the preset area threshold;
determining the length of the shortest perpendicular line between the farthest path point and the current geo-fence boundary of the to-be-selected construction machinery;
and determining the preset step length based on the ratio of the non-intersection area to the preset area threshold and the length of the shortest perpendicular line between the farthest path point and the current geo-fence boundary of the engineering machine to be selected.
According to the engineering machinery dispatching method based on the variable geo-fence, the step of determining the non-intersection area corresponding to the optimal dispatching route specifically comprises the following steps:
if the target project position is not in the geo-fence of the to-be-selected engineering machine, determining the shortest perpendicular line between the current geo-fence boundary of the to-be-selected engineering machine and the target project position;
and determining the non-intersection area based on a sub-path out of the geo-fence of the to-be-selected construction machine in the optimal dispatch path, the shortest perpendicular line between the current geo-fence boundary of the to-be-selected construction machine and the target construction position, and the geo-fence boundary of the to-be-selected construction machine.
According to the engineering machinery dispatching method based on the variable geo-fence, provided by the invention, the to-be-selected engineering machinery and the optimal dispatching route of the to-be-selected engineering machinery are determined based on the target engineering position and the engineering parameters in the construction order of the engineering machinery, and the method specifically comprises the following steps:
determining the engineering machinery type adapted to the engineering machinery construction order based on the target engineering position and the engineering parameters in the engineering machinery construction order;
and determining the to-be-selected engineering machinery and the optimal dispatching path of the to-be-selected engineering machinery from the idle machinery in the engineering machinery category based on the target engineering position.
According to the engineering machinery dispatching method based on the variable geo-fence provided by the invention, the determination of the engineering machinery to be selected from the idle machinery in the engineering machinery category based on the target engineering position specifically comprises the following steps:
clustering the idle service personnel based on the current position of the idle service personnel to obtain a plurality of service personnel clusters, the number of the service personnel in the service personnel clusters and the cluster center position;
and determining the engineering machinery to be selected based on the current position of the idle machinery under the engineering machinery category, the number of the service personnel in the service personnel clusters and the cluster center position.
The invention also provides an engineering machinery dispatching device based on the variable geo-fence, which comprises:
the engineering machine selection unit is used for determining the engineering machine to be selected and the optimal dispatching path of the engineering machine to be selected based on the target engineering position and the engineering parameters in the construction order of the engineering machine;
the safety supervision condition judgment unit is used for judging whether the target engineering position is in the geographic fence of the engineering machine to be selected and determining the area of a non-intersection area corresponding to the optimal dispatching path; the non-intersection area is a closed area formed by a sub-path outside the geo-fence of the to-be-selected engineering machinery in the optimal dispatch path and the geo-fence boundary of the to-be-selected engineering machinery;
the alarm threshold value adjusting unit is used for setting the alarm threshold value of the to-be-selected engineering machinery from 0 to 1 if the target engineering position is not in the geo-fence of the to-be-selected engineering machinery;
the first strategy adjusting unit is used for determining an alarm threshold value of the engineering machinery to be selected based on the optimal dispatching route and dispatching the dispatching order to the engineering machinery to be selected if the area of the non-intersection area is smaller than or equal to a preset area threshold value;
and the second strategy adjusting unit is used for expanding the geo-fence of the to-be-selected engineering machinery and sending an execution instruction to the safety supervision condition judging unit if the area of the non-intersection area is larger than a preset area threshold value.
The invention also provides an electronic device, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor executes the program to realize the method for dispatching the engineering machinery based on the variable geo-fence.
The present invention also provides a non-transitory computer readable storage medium having stored thereon a computer program that, when executed by a processor, implements a method for variable geo-fence based work machine dispatch as in any of the above.
The invention also provides a computer program product comprising a computer program, wherein the computer program is used for realizing the method for dispatching the engineering machinery based on the variable geo-fence when being executed by a processor.
The invention provides a variable geo-fence-based engineering machinery dispatching method and device, which can determine an engineering machinery to be selected through a target engineering position and engineering parameters in an engineering machinery construction order, select an idle engineering machinery which can meet construction operation requirements and is closest to the idle engineering machinery, determine an adjustment mode of safety supervision conditions for the engineering machinery to be selected through considering whether the target engineering position is in the geo-fence of the engineering machinery to be selected and the area of a non-intersection region corresponding to an optimal dispatching path, wherein the alarm threshold of the engineering machinery to be selected is set from 0 to 1 under the condition that the target engineering position is not in the geo-fence of the engineering machinery to be selected, determine the alarm threshold of the engineering machinery to be selected based on the optimal dispatching path when the area of the non-intersection region is smaller than or equal to the preset area threshold, dispatch the geo-fence of the engineering machinery to be selected is expanded, and guarantee that the engineering machinery to be selected can improve the dispatching efficiency of the engineering machinery while the safety supervision capability of the engineering machinery is considered.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic flow chart of a work machine dispatching method based on a variable geo-fence according to the present disclosure;
FIG. 2 is a schematic flow chart of an alarm threshold adjustment method provided by the present invention;
FIG. 3 is a schematic flow chart of a geofence augmentation method provided by the present invention;
FIG. 4 is a schematic structural diagram of a work machine dispatching device based on a variable geo-fence according to the present disclosure;
fig. 5 is a schematic structural diagram of an electronic device provided in the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic flow chart of a work machine dispatching method based on a variable geo-fence according to the present invention, and as shown in fig. 1, the method includes:
Specifically, based on the target project position and the project parameters in the received construction order of the construction machine, the candidate construction machine adapted to the construction order of the construction machine and the optimal dispatch path of the candidate construction machine can be selected from the idle construction machines. The target engineering position in the engineering machinery construction order is a place where the engineering machinery is required to perform construction operation, and the engineering parameters comprise operation contents of specific construction operation, requirements on the engineering machinery and the like. According to the target engineering position and the engineering parameters in the engineering machinery construction order, the engineering machinery to be selected which can work the type, the tonnage and the like and is closest to the target engineering position and meets the operation requirements can be determined. After the engineering machine to be selected is determined, an optimal dispatching path can be set for the engineering machine to be selected according to the current position of the engineering machine to be selected and the target engineering position. The optimal dispatch path of the to-be-selected engineering machinery is a path from the current position of the to-be-selected engineering machinery to the target engineering position.
However, when determining the candidate engineering machine, only the target engineering position and the engineering parameters in the engineering machine construction order are considered to select the idle engineering machine which can meet the construction operation requirement and has the closest distance, and in order to take the safety supervision of the candidate engineering machine into consideration, before the engineering machine construction order is formally dispatched to the candidate engineering machine, whether the supervision condition of the geo-fence is met when the candidate engineering machine goes to the target engineering position and operates needs to be considered. Specifically, it may be determined whether the target project location is within the geo-fence of the candidate construction machine, and the area of the non-intersection area corresponding to the optimal dispatch path is determined at the same time. And the non-intersection area is a closed area formed by a sub-path outside the geo-fence of the to-be-selected engineering machine in the optimal dispatch list path and the geo-fence boundary of the to-be-selected engineering machine. It should be noted that, if the entire optimal dispatch route is located in the geo-fence of the candidate construction machine, the area of the non-intersection area is set to 0.
Here, whether the target project location is within the geo-fence of the candidate construction machine and the area of the non-intersection area corresponding to the optimal dispatch path need to be considered at the same time, because if the target project location is not within the geo-fence of the candidate construction machine, the current situation does not necessarily meet the supervision condition of the candidate construction machine, but even if the target project location is within the geo-fence of the candidate construction machine, the current situation does not necessarily represent that the current situation meets the supervision condition of the candidate construction machine, and whether the entire optimal dispatch path will cause the candidate construction machine to depart from the geo-fence needs to be considered in combination. Considering that the construction machines are heavy mechanical equipment, when the optimal dispatch route is planned for the construction machines, the to-be-selected construction machines need to detour to reach the target construction position due to various road limitations (such as limited travel, limited height, limited weight and the like), and therefore, even if the target construction position is in the geographic fence of the to-be-selected construction machines, the planned optimal dispatch route may exceed the geographic fence area of the to-be-selected construction machines. Therefore, the area of the non-intersection area corresponding to the optimal dispatch path can be determined, whether the to-be-selected engineering machine can be out of the supervision of the geo-fence in the way to the target engineering position or not can be determined, and the time length of the to-be-selected engineering machine out of the supervision can be estimated. The larger the area of the non-intersection region corresponding to the optimal dispatch path is, the longer the time length of the to-be-selected engineering machinery which is out of supervision is.
In order to ensure that the order dispatching success can be sent to improve the order dispatching efficiency of the engineering machinery and simultaneously give consideration to the safety supervision of the engineering machinery, the alarm threshold value of the to-be-selected engineering machinery can be set from 0 to 1 under the condition that the target engineering position is not in the geo-fence of the to-be-selected engineering machinery, so that the to-be-selected engineering machinery is given an opportunity to go out of the geo-fence once. The initial value of the alarm threshold value of the engineering machine to be selected is 0, the alarm threshold value is automatically reduced by 1 when the engineering machine to be selected goes out of the geo-fence or enters the geo-fence from the outside, and an alarm is given when the alarm threshold value is negative. And then continuing to judge the area of the non-intersection region. If the area of the non-intersection area is smaller than or equal to the preset area threshold, the time length for the engineering machinery to be selected to be out of supervision is short, the alarm threshold of the engineering machinery to be selected can be determined based on the optimal dispatching path, and the dispatching is carried out to the engineering machinery to be selected. At this time, whether the alarm threshold of the candidate construction machine needs to be adjusted is determined according to the actual situation of the optimal dispatch route (i.e. whether the geographic fence of the candidate construction machine is crossed and the number of times of crossing is determined). If the area of the non-intersection area is larger than the preset area threshold, it is indicated that the time length for the to-be-selected engineering machine to be out of supervision is long and the generated safety risk is large, so that the geo-fence of the to-be-selected engineering machine can be enlarged to reduce the time for the to-be-selected engineering machine to be out of the geo-fence supervision, and the step 120 is skipped to determine whether the target engineering position is in the geo-fence of the to-be-selected engineering machine again and determine the area of the non-intersection area corresponding to the optimal dispatch path, so that whether the dispatch is to the to-be-selected engineering machine is determined again.
The method provided by the embodiment of the invention determines the engineering machinery to be selected based on the target engineering position and the engineering parameters in the construction order of the engineering machinery, can select the idle engineering machinery which can meet the construction operation requirement and is closest to the idle engineering machinery, and can determine the adjustment mode of the safety supervision condition aiming at the engineering machinery to be selected by simultaneously considering whether the target engineering position is in the geographic fence of the engineering machinery to be selected and the area of the non-intersection area corresponding to the optimal dispatch path, wherein the alarm threshold value of the engineering machinery to be selected is set from 0 to 1 under the condition that the target engineering position is not in the geographic fence of the engineering machinery to be selected, and then the alarm threshold value of the engineering machinery to be selected is determined based on the optimal dispatch path when the area of the non-intersection area is smaller than or equal to the preset area threshold value, and the dispatch is sent to the engineering machinery to be selected, or the geographic fence of the engineering machinery to be selected is enlarged when the area of the non-intersection area is larger than the preset area threshold value, and the safety supervision capability of the engineering machinery is considered while the single effect of the engineering machinery is ensured to be improved.
Based on the above embodiment, as shown in fig. 2, if the area of the non-intersection region is less than or equal to a preset area threshold, determining an alarm threshold of the to-be-selected construction machine based on the optimal dispatch path, and dispatching a dispatch to the to-be-selected construction machine specifically includes:
step 210, if the area of the non-intersection area is greater than 0 and less than or equal to a preset area threshold, determining the number of intersections between the optimal dispatch route and the geo-fence boundary of the engineering machine to be selected;
Specifically, if the area of the non-intersection area is greater than 0 and less than or equal to the preset area threshold, it is indicated that the optimal dispatch path will exceed the geo-fence of the to-be-selected engineering machine, so that the to-be-selected engineering machine is out of supervision, but the time length for the to-be-selected engineering machine to be out of supervision is short, the alarm threshold of the to-be-selected engineering machine can be determined based on the optimal dispatch path. At this time, whether the alarm threshold of the candidate working machine needs to be adjusted may be determined according to the actual situation of the optimal dispatch route (i.e., whether the geographic fence of the candidate working machine will be crossed and the number of crossings will be performed). The number of times that the optimal dispatch path crosses the geo-fence of the to-be-selected construction machine can be determined by determining the number of intersections between the optimal dispatch path and the geo-fence boundary of the to-be-selected construction machine. Here, the optimal dispatch path may be drawn using electronic mapping to determine the number of intersections between it and the geofence boundary of the candidate work machine. And taking the sum of the number of the cross points between the optimal dispatch path and the geo-fence boundary of the to-be-selected engineering machinery and the current alarm threshold of the to-be-selected engineering machinery as a new alarm threshold of the to-be-selected engineering machinery, and dispatching the dispatch to the to-be-selected engineering machinery. Taking the number of the intersections between the optimal dispatch route and the geo-fence boundary of the to-be-selected engineering machine as N as an example, if the target engineering position is not in the current geo-fence of the to-be-selected engineering machine, the new alarm threshold value is N +1, and if the target engineering position is in the current geo-fence of the to-be-selected engineering machine, the new alarm threshold value is N.
Based on any of the above embodiments, as shown in fig. 3, if the area of the non-intersection area is greater than a preset area threshold, the expanding the geo-fence of the to-be-selected construction machine specifically includes:
and 320, expanding the geo-fence of the to-be-selected engineering machine in the direction of the shortest perpendicular line between the farthest path point and the current geo-fence boundary of the to-be-selected engineering machine based on a preset step length.
Specifically, two factors may be considered primarily in expanding the geofence of the candidate work machine: the method comprises the steps of reducing the time for the candidate engineering machinery to be out of the geofence supervision and not excessively expanding the area of the geofence so as to avoid reducing the safety supervision sensitivity of the engineering machinery. In this regard, the farthest route point of the optimal dispatch route, which is farthest from the current geo-fence boundary of the candidate construction machine, may be determined, and the shortest perpendicular line between the farthest route point and the current geo-fence boundary of the candidate construction machine may be established. And then expanding the geo-fence of the to-be-selected engineering machine in the direction of the shortest perpendicular line between the farthest path point and the current geo-fence boundary of the to-be-selected engineering machine based on a preset step length. By expanding the geo-fence towards the direction of the shortest perpendicular line between the farthest path point and the current geo-fence boundary of the engineering machine to be selected, the area of a non-intersection region corresponding to the optimal dispatch path can be quickly reduced on the basis of limiting the expansion range, and therefore the time for the engineering machine to be selected to be out of the geo-fence supervision is reduced. When the geo-fence of the engineering machine to be selected is expanded in the direction of the shortest perpendicular line between the farthest route point and the current geo-fence boundary of the engineering machine to be selected based on the preset step length, the outward expansion amplitude of the geo-fence boundary corresponding to the shortest perpendicular line between the farthest route point and the current geo-fence boundary of the engineering machine to be selected is the preset step length.
Based on any of the above embodiments, the preset step size is determined based on the following steps:
determining a ratio between the non-intersection region and the preset area threshold;
determining the length of the shortest perpendicular line between the farthest path point and the current geo-fence boundary of the to-be-selected construction machinery;
and determining the preset step length based on the ratio of the non-intersection area to the preset area threshold and the length of the shortest perpendicular line between the farthest path point and the current geo-fence boundary of the engineering machine to be selected.
Specifically, in order to limit the expansion range to avoid reducing the safety supervision sensitivity of the engineering machine, the shortest perpendicular line and the length thereof between the farthest path point and the current geo-fence boundary of the engineering machine to be selected may be determined, and then the preset step length may be determined based on the ratio between the non-intersection area and the preset area threshold, and the length of the shortest perpendicular line between the farthest path point and the current geo-fence boundary of the engineering machine to be selected, so that the determined preset step length may quickly reduce the area of the non-intersection area corresponding to the optimal dispatch route. Specifically, when the preset step length is determined, the ratio between the non-intersection area and the preset area threshold may be multiplied by the length of the shortest perpendicular line between the farthest route point and the current geo-fence boundary of the engineering machine to be selected, so as to obtain the expanded preset step length in the direction of the shortest perpendicular line.
Based on any of the above embodiments, the determining the non-intersection region corresponding to the optimal dispatch route specifically includes:
if the target engineering position is not in the geographic fence of the engineering machine to be selected, determining the shortest vertical line between the current geographic fence boundary of the engineering machine to be selected and the target engineering position;
and determining the non-intersection area based on a sub-path out of the geo-fence of the to-be-selected engineering machine in the optimal dispatch path, the shortest vertical line between the current geo-fence boundary of the to-be-selected engineering machine and the target engineering position and the geo-fence boundary of the to-be-selected engineering machine.
Specifically, when the non-intersection area corresponding to the optimal dispatch path is determined, the current position of the to-be-selected engineering machine is always within the geo-fence of the to-be-selected engineering machine, that is, the starting point of the optimal dispatch path is within the geo-fence, but if the target engineering position is not within the geo-fence of the to-be-selected engineering machine, that is, the ending point of the optimal dispatch path is not within the geo-fence, a sub-path of the optimal dispatch path, which is located outside the geo-fence of the to-be-selected engineering machine, cannot directly form a closed area with the geo-fence boundary of the to-be-selected engineering machine. At this time, the shortest perpendicular line between the current geo-fence boundary of the candidate construction machine and the target construction position may be determined, and the non-intersection area may be determined based on the sub-path outside the geo-fence of the candidate construction machine in the optimal dispatch path, the shortest perpendicular line, and the geo-fence boundary of the candidate construction machine.
Based on any one of the above embodiments, the determining, based on the target project position and the project parameter in the construction order of the engineering machine, the engineering machine to be selected and the optimal dispatch route of the engineering machine to be selected specifically includes:
determining the engineering machinery type adapted to the engineering machinery construction order based on the target engineering position and the engineering parameters in the engineering machinery construction order;
and determining the to-be-selected engineering machinery and the optimal dispatching path of the to-be-selected engineering machinery from the idle machinery in the engineering machinery category based on the target engineering position.
Specifically, the engineering machine type adapted to the construction order of the engineering machine can be determined based on the target engineering position and the engineering parameters in the construction order of the engineering machine, and the idle engineering machine in the engineering machine type can be acquired. It should be noted that, if the engineering parameters in the construction order of the engineering machine are required for tonnage, the idle engineering machine with the tonnage meeting the requirement is also required to be screened. And then, determining the to-be-selected engineering machinery meeting the operation requirements from the idle engineering machinery under the engineering machinery category based on the target engineering position, and planning the optimal dispatching path of the to-be-selected engineering machinery.
Based on any one of the embodiments, the determining, based on the target construction position, a candidate construction machine from idle machines in the construction machine category specifically includes:
clustering the idle service personnel based on the current positions of the idle service personnel to obtain a plurality of service personnel clusters, the number of the service personnel in the plurality of service personnel clusters and a cluster center position;
and determining the engineering machinery to be selected based on the current position of the idle machinery in the engineering machinery category, the number of the service personnel in the service personnel clusters and the cluster center position.
Specifically, when the to-be-selected engineering machine is determined, whether each engineering machine can meet the operation requirement or not is considered, and the distance between each engineering machine and a service worker can be considered to select the engineering machine closer to the service worker, so that the time cost of the service worker for the to-be-selected engineering machine is reduced, and the operation efficiency is improved. Specifically, all the idle service personnel can be clustered based on the current positions of the idle service personnel, so that the number of the service personnel in a plurality of service personnel clusters and the cluster center position can be obtained. Wherein the current locations of the free service personnel in the same service personnel cluster are similar. And determining the engineering machinery to be selected based on the current position of the idle machinery in the engineering machinery category and the number of service personnel in a plurality of service personnel clusters and the cluster center position. Here, a service staff cluster with a large number of service staff (such that the probability of screening the service staff with the high number of service staff is higher) may be selected as a reference, and an idle machine with a current position closer to the cluster center position of the service staff cluster with the large number of service staff may be selected as a candidate construction machine.
In the following description, the variable geo-fence based work machine dispatching device provided by the present invention is described, and the variable geo-fence based work machine dispatching device described below and the variable geo-fence based work machine dispatching method described above may be referred to in correspondence.
Based on any of the above embodiments, fig. 4 is a schematic structural diagram of a work machine dispatching device based on a variable geo-fence according to the present invention, as shown in fig. 4, the device includes: the system comprises a construction machine selection unit 410, a safety supervision condition judgment unit 420, an alarm threshold adjustment unit 430, a first strategy adjustment unit 440 and a second strategy adjustment unit 450.
The engineering machine selection unit 410 is configured to determine, based on a target engineering position and an engineering parameter in an engineering machine construction order, an engineering machine to be selected and an optimal dispatch path of the engineering machine to be selected;
the safety supervision condition determining unit 420 is configured to determine whether the target project position is within a geo-fence of the to-be-selected engineering machine, and determine an area of a non-intersection area corresponding to the optimal dispatch path; the non-intersection area is an enclosed area formed by sub-paths outside the geo-fence of the engineering machine to be selected in the optimal dispatch path and the geo-fence boundary of the engineering machine to be selected;
the alarm threshold adjusting unit 430 is configured to set the alarm threshold of the to-be-selected engineering machine from 0 to 1 if the target engineering position is not within the geo-fence of the to-be-selected engineering machine;
the first policy adjusting unit 440 is configured to determine an alarm threshold of the to-be-selected engineering machine based on the optimal dispatch route and dispatch a dispatch to the to-be-selected engineering machine if the area of the non-intersection area is less than or equal to a preset area threshold;
the second policy adjusting unit 450 is configured to enlarge the geo-fence of the to-be-selected engineering machine and send an execution instruction to the safety supervision condition determining unit if the area of the non-intersection area is greater than a preset area threshold.
The device provided by the embodiment of the invention determines the engineering machinery to be selected based on the target engineering position and the engineering parameters in the construction order of the engineering machinery, can select the idle engineering machinery which can meet the construction operation requirement and is closest to the idle engineering machinery, and can determine the adjustment mode of the safety supervision condition aiming at the engineering machinery to be selected by simultaneously considering whether the target engineering position is in the geographic fence of the engineering machinery to be selected and the area of the non-intersection area corresponding to the optimal dispatch path, wherein the alarm threshold value of the engineering machinery to be selected is set from 0 to 1 under the condition that the target engineering position is not in the geographic fence of the engineering machinery to be selected, and then the alarm threshold value of the engineering machinery to be selected is determined based on the optimal dispatch path when the area of the non-intersection area is smaller than or equal to the preset area threshold value, and the dispatch is sent to the engineering machinery to be selected, or the geographic fence of the engineering machinery to be selected is enlarged when the area of the non-intersection area is larger than the preset area threshold value, and the safety supervision capability of the engineering machinery is considered while the single effect of the engineering machinery is ensured to be improved.
Based on any of the above embodiments, if the area of the non-intersection region is less than or equal to a preset area threshold, determining an alarm threshold of the to-be-selected engineering machine based on the optimal dispatch route, and dispatching a dispatch to the to-be-selected engineering machine, specifically including:
if the area of the non-intersection area is larger than 0 and smaller than or equal to a preset area threshold value, determining the number of intersections between the optimal dispatch route and the geo-fence boundary of the engineering machine to be selected;
and adjusting the alarm threshold of the engineering machinery to be selected based on the sum of the number of the cross points between the optimal dispatch path and the geo-fence boundary of the engineering machinery to be selected and the current alarm threshold of the engineering machinery to be selected, and dispatching a dispatch to the engineering machinery to be selected.
Based on any of the above embodiments, if the area of the non-intersection region is greater than a preset area threshold, expanding the geo-fence of the to-be-selected construction machine specifically includes:
determining a farthest path point farthest from the current geo-fence boundary of the engineering machine to be selected in the optimal dispatch path, and establishing a shortest perpendicular line between the farthest path point and the current geo-fence boundary of the engineering machine to be selected;
and expanding the geo-fence of the engineering machine to be selected according to the direction of the shortest perpendicular line between the farthest path point and the current geo-fence boundary of the engineering machine to be selected on the basis of a preset step length.
Based on any of the above embodiments, the preset step size is determined based on the following steps:
determining a ratio between the non-intersection region and the preset area threshold;
determining the length of the shortest perpendicular line between the farthest path point and the current geo-fence boundary of the to-be-selected construction machinery;
and determining the preset step length based on the ratio between the non-intersection area and the preset area threshold value and the length of the shortest perpendicular line between the farthest path point and the current geo-fence boundary of the engineering machine to be selected.
Based on any of the above embodiments, the determining the non-intersection region corresponding to the optimal dispatch route specifically includes:
if the target engineering position is not in the geographic fence of the engineering machine to be selected, determining the shortest vertical line between the current geographic fence boundary of the engineering machine to be selected and the target engineering position;
and determining the non-intersection area based on a sub-path out of the geo-fence of the to-be-selected construction machine in the optimal dispatch path, the shortest perpendicular line between the current geo-fence boundary of the to-be-selected construction machine and the target construction position, and the geo-fence boundary of the to-be-selected construction machine.
Based on any one of the above embodiments, the determining, based on the target project position and the project parameter in the construction order of the engineering machine, the engineering machine to be selected and the optimal dispatch route of the engineering machine to be selected specifically includes:
determining the engineering machinery type adapted to the engineering machinery construction order based on the target engineering position and the engineering parameters in the engineering machinery construction order;
and determining the to-be-selected engineering machinery and the optimal dispatching path of the to-be-selected engineering machinery from the idle machinery in the engineering machinery category based on the target engineering position.
Based on any one of the embodiments, the determining, based on the target construction position, a candidate construction machine from idle machines in the construction machine category specifically includes:
clustering the idle service personnel based on the current positions of the idle service personnel to obtain a plurality of service personnel clusters, the number of the service personnel in the plurality of service personnel clusters and a cluster center position;
and determining the engineering machinery to be selected based on the current position of the idle machinery in the engineering machinery category, the number of the service personnel in the service personnel clusters and the cluster center position.
Fig. 5 is a schematic structural diagram of an electronic device provided in the present invention, and as shown in fig. 5, the electronic device may include: a processor (processor) 510, a memory (memory) 520, a communication interface (communications interface) 530, and a communication bus 540, wherein the processor 510, the memory 520, and the communication interface 530 communicate with each other via the communication bus 540. Processor 510 may invoke logic instructions in memory 520 to perform a variable geo-fence based work machine dispatch method comprising: step 110, determining a candidate engineering machine and an optimal dispatching path of the candidate engineering machine based on a target engineering position and engineering parameters in an engineering machine construction order; step 120, judging whether the target project position is in the geo-fence of the to-be-selected engineering machinery, and determining the area of a non-intersection area corresponding to the optimal dispatch path; the non-intersection area is an enclosed area formed by sub-paths outside the geo-fence of the engineering machine to be selected in the optimal dispatch path and the geo-fence boundary of the engineering machine to be selected; step 130, if the target engineering position is not in the geo-fence of the engineering machine to be selected, setting the alarm threshold value of the engineering machine to be selected from 0 to 1; step 140, if the area of the non-intersection area is smaller than or equal to a preset area threshold, determining an alarm threshold of the to-be-selected engineering machinery based on the optimal dispatch route, and dispatching a dispatch to the to-be-selected engineering machinery; step 150, if the area of the non-intersection area is larger than a preset area threshold, enlarging the geo-fence of the to-be-selected engineering machine, and skipping to step 120.
In addition, the logic instructions in the memory 520 may be implemented in software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as a stand-alone product. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk, an optical disk, or other various media capable of storing program codes.
In another aspect, the present invention also provides a computer program product comprising a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions, which when executed by a computer, enable the computer to perform the method for variable geo-fence based work machine dispatch provided by the above methods, the method comprising: step 110, determining a candidate engineering machine and an optimal dispatching path of the candidate engineering machine based on a target engineering position and engineering parameters in an engineering machine construction order; step 120, judging whether the target project position is in the geo-fence of the to-be-selected engineering machine, and determining the area of a non-intersection area corresponding to the optimal dispatch path; the non-intersection area is an enclosed area formed by sub-paths outside the geo-fence of the engineering machine to be selected in the optimal dispatch path and the geo-fence boundary of the engineering machine to be selected; step 130, if the target engineering position is not in the geo-fence of the engineering machine to be selected, setting the alarm threshold value of the engineering machine to be selected from 0 to 1; step 140, if the area of the non-intersection area is smaller than or equal to a preset area threshold, determining an alarm threshold of the to-be-selected engineering machinery based on the optimal dispatching path, and dispatching a list to the to-be-selected engineering machinery; step 150, if the area of the non-intersection area is larger than a preset area threshold, enlarging the geo-fence of the to-be-selected engineering machine, and skipping to step 120.
In still another aspect, the present disclosure provides a non-transitory computer-readable storage medium, on which a computer program is stored, the computer program being implemented by a processor to perform the variable geo-fence based work machine dispatching methods provided above, the method including: step 110, determining a candidate engineering machine and an optimal dispatching path of the candidate engineering machine based on a target engineering position and engineering parameters in an engineering machine construction order; step 120, judging whether the target project position is in the geo-fence of the to-be-selected engineering machinery, and determining the area of a non-intersection area corresponding to the optimal dispatch path; the non-intersection area is an enclosed area formed by sub-paths outside the geo-fence of the engineering machine to be selected in the optimal dispatch path and the geo-fence boundary of the engineering machine to be selected; step 130, if the target engineering position is not in the geo-fence of the engineering machine to be selected, setting the alarm threshold value of the engineering machine to be selected from 0 to 1; step 140, if the area of the non-intersection area is smaller than or equal to a preset area threshold, determining an alarm threshold of the to-be-selected engineering machinery based on the optimal dispatch route, and dispatching a dispatch to the to-be-selected engineering machinery; step 150, if the area of the non-intersection area is larger than a preset area threshold, enlarging the geo-fence of the to-be-selected engineering machine, and skipping to step 120.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment may be implemented by software plus a necessary general hardware platform, and may also be implemented by hardware. Based on the understanding, the above technical solutions substantially or otherwise contributing to the prior art may be embodied in the form of a software product, which may be stored in a computer-readable storage medium, such as ROM/RAM, magnetic disk, optical disk, etc., and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method according to the various embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A method for dispatching engineering machinery based on a variable geo-fence is characterized by comprising the following steps:
step 110: determining the engineering machinery to be selected and the optimal dispatching path of the engineering machinery to be selected based on the target engineering position and the engineering parameters in the construction order of the engineering machinery;
step 120: judging whether the target project position is in a geographic fence of the to-be-selected engineering machinery, and determining the area of a non-intersection area corresponding to the optimal dispatch path; the non-intersection area is an enclosed area formed by sub-paths outside the geo-fence of the engineering machine to be selected in the optimal dispatch path and the geo-fence boundary of the engineering machine to be selected;
step 130: if the target engineering position is not in the geo-fence of the engineering machine to be selected, setting the alarm threshold value of the engineering machine to be selected from 0 to 1;
step 140: if the area of the non-intersection area is smaller than or equal to a preset area threshold, determining an alarm threshold of the to-be-selected engineering machinery based on the optimal dispatching path, and dispatching the to-be-selected engineering machinery;
step 150: and if the area of the non-intersection area is larger than a preset area threshold value, enlarging the geo-fence of the to-be-selected engineering machine, and skipping to the step 120.
2. The method for dispatching engineering machinery based on the variable geo-fence according to claim 1, wherein if the area of the non-intersection area is less than or equal to a preset area threshold, determining an alarm threshold of the engineering machinery to be selected based on the optimal dispatching route, and dispatching a dispatch to the engineering machinery to be selected specifically comprises:
if the area of the non-intersection area is larger than 0 and smaller than or equal to a preset area threshold value, determining the number of intersection points between the optimal dispatch route and the geo-fence boundary of the engineering machinery to be selected;
and adjusting the alarm threshold value of the to-be-selected engineering machinery based on the sum of the number of the cross points between the optimal dispatch path and the geo-fence boundary of the to-be-selected engineering machinery and the current alarm threshold value of the to-be-selected engineering machinery, and dispatching the to-be-selected engineering machinery.
3. The method for dispatching engineering machinery based on a variable geo-fence according to claim 1, wherein if the area of the non-intersection area is greater than a preset area threshold, the method for enlarging the geo-fence of the engineering machinery to be selected specifically comprises:
determining a farthest path point farthest from the current geo-fence boundary of the engineering machine to be selected in the optimal dispatch path, and establishing a shortest perpendicular line between the farthest path point and the current geo-fence boundary of the engineering machine to be selected;
and expanding the geo-fence of the engineering machine to be selected according to the direction of the shortest perpendicular line between the farthest path point and the current geo-fence boundary of the engineering machine to be selected on the basis of a preset step length.
4. The variable geo-fence based work machine dispatch method of claim 3, wherein the preset step size is determined based on the following steps:
determining a ratio between the non-intersection region and the preset area threshold;
determining the length of the shortest perpendicular line between the farthest path point and the current geo-fence boundary of the to-be-selected construction machinery;
and determining the preset step length based on the ratio of the non-intersection area to the preset area threshold and the length of the shortest perpendicular line between the farthest path point and the current geo-fence boundary of the engineering machine to be selected.
5. The method for dispatching engineering machinery based on a variable geo-fence according to claim 1, wherein the determining of the non-intersection area corresponding to the optimal dispatch route specifically comprises:
if the target engineering position is not in the geographic fence of the engineering machine to be selected, determining the shortest vertical line between the current geographic fence boundary of the engineering machine to be selected and the target engineering position;
and determining the non-intersection area based on a sub-path out of the geo-fence of the to-be-selected construction machine in the optimal dispatch path, the shortest perpendicular line between the current geo-fence boundary of the to-be-selected construction machine and the target construction position, and the geo-fence boundary of the to-be-selected construction machine.
6. The method for dispatching engineering machinery based on the variable geo-fence according to claim 1, wherein the determining of the candidate engineering machinery and the optimal dispatching route of the candidate engineering machinery based on the target engineering position and the engineering parameters in the construction order of the engineering machinery specifically comprises:
determining the engineering machinery type adapted to the engineering machinery construction order based on the target engineering position and the engineering parameters in the engineering machinery construction order;
and determining the to-be-selected engineering machinery and the optimal dispatching path of the to-be-selected engineering machinery from the idle machinery in the engineering machinery category based on the target engineering position.
7. The method for dispatching work machines based on variable geo-fencing of claim 6, wherein the determining of the candidate work machine from the idle work machines under the work machine category based on the target work location comprises:
clustering the idle service personnel based on the current position of the idle service personnel to obtain a plurality of service personnel clusters, the number of the service personnel in the service personnel clusters and the cluster center position;
and determining the engineering machinery to be selected based on the current position of the idle machinery under the engineering machinery category, the number of the service personnel in the service personnel clusters and the cluster center position.
8. A variable geo-fence based work machine dispatch device, comprising:
the engineering machinery selection unit is used for determining the engineering machinery to be selected and the optimal dispatching path of the engineering machinery to be selected based on the target engineering position and the engineering parameters in the construction order of the engineering machinery;
the safety supervision condition judging unit is used for judging whether the target engineering position is in the geographic fence of the to-be-selected engineering machinery and determining the area of a non-intersection area corresponding to the optimal dispatch path; the non-intersection area is a closed area formed by a sub-path outside the geo-fence of the to-be-selected engineering machinery in the optimal dispatch path and the geo-fence boundary of the to-be-selected engineering machinery;
the alarm threshold value adjusting unit is used for setting the alarm threshold value of the engineering machinery to be selected from 0 to 1 if the target engineering position is not in the geographic fence of the engineering machinery to be selected;
the first strategy adjusting unit is used for determining an alarm threshold value of the engineering machinery to be selected based on the optimal dispatching route and dispatching the dispatching order to the engineering machinery to be selected if the area of the non-intersection area is smaller than or equal to a preset area threshold value;
and the second strategy adjusting unit is used for expanding the geo-fence of the to-be-selected engineering machinery and sending an execution instruction to the safety supervision condition judging unit if the area of the non-intersection area is larger than a preset area threshold value.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the method for dispatching a variable geo-fence based work machine according to any of claims 1 to 7 when executing the program.
10. A non-transitory computer readable storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the method for variable geo-fence based work machine dispatch of any of claims 1 to 7.
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| CN109167976A (en) * | 2018-10-26 | 2019-01-08 | 国网河南省电力公司商丘供电公司 | A kind of closely electric operation integration alarm set of new vehicle |
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