CN109540125B - Park map generation method, server and storage medium - Google Patents
Park map generation method, server and storage medium Download PDFInfo
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- CN109540125B CN109540125B CN201811432212.1A CN201811432212A CN109540125B CN 109540125 B CN109540125 B CN 109540125B CN 201811432212 A CN201811432212 A CN 201811432212A CN 109540125 B CN109540125 B CN 109540125B
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- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/20—Instruments for performing navigational calculations
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The invention discloses a park map generation method, which comprises the steps of generating a park electronic map according to a park plan and position data; acquiring first attribute data of a conveyed object conveyed to a storage place, wherein the attribute data comprises size information and position information of the conveyed object; and updating display information of a corresponding placement area of the moving object and an electronic map database on the electronic map according to the first attribute data, wherein the placement area is an area where the moving carrying platform cannot pass due to the moving object. The size information and the latest storage position information of the moved materials or finished products and other conveyances are obtained in real time, and corresponding placement areas are generated in the electronic map according to the positions and the size information of the conveyances, so that the park electronic map can automatically update the map according to the position changes of the park conveyances such as the materials or the finished products, the park electronic map can accurately reflect the current information of the park in real time, and the navigation or path planning requirements of a mobile platform in the park are met.
Description
Technical Field
The invention relates to the technical field of park navigation, in particular to a park map generation method, a server and a storage medium.
Background
The electronic map of the park of factories and enterprises is taken as the basis of park navigation, and the generation mode of the electronic map is mainly formed by manually drawing and adding at present. Generally, on the basis of an indoor base map of a garden building, the regions which can be passed in the garden are subjectively judged by manpower according to the position relation of the material and finished product placement regions in the garden, so that the edges and nodes of the passable roads are drawn manually and presented in a garden map. Because the mode of manual drawing usually can have the defect of higher cost of labor, drawing cycle length, in case article such as various materials and finished products of garden inside place the region and change, can't carry out quick real-time update to the indoor map of drawing before. The maps of the indoor and outdoor areas of the factory park are very easy to change due to external influences, and the stacking of materials and goods anywhere can greatly influence the maps and path planning in the factory. The position of materials, goods and other articles in the factory park is not fixed, different stacking conditions can be formed due to the difference of production capacity, logistics capacity, management capacity and storage capacity, the stacking and carrying of the materials can change the existing factory park map at once, the original road can be changed into a material storage place due to the immigration of the materials, and the original material storage place can be changed into a road due to the immigration of the materials. The mismatching of the electronic map information and the actual situation, which is relied on by the navigation or path planning requirements of the park mobile platform due to the frequent change of the positions of the materials, goods and other articles, and the lag of the map data updating seriously restrict the improvement of the efficiency of material handling, goods finding and delivery in the factory, increase the management cost and cause various potential safety hazards.
Disclosure of Invention
The invention provides a park map generation method aiming at the defects in the prior art, which specifically comprises the following steps:
generating a park electronic map according to the park plan and the position data;
acquiring first attribute data of a conveyed object conveyed to a storage place, wherein the attribute data comprises size information and position information of the conveyed object;
and updating display information of a corresponding placement area of the moving object and an electronic map database on the electronic map according to the first attribute data, wherein the placement area is an area where the moving carrying platform cannot pass due to the moving object.
Preferably, the campus map generating method includes: and respectively storing basic map data and the map data of the transported objects in the electronic map data, generating corresponding placement area display information on the electronic map according to the size information and the position information of the transported objects, and updating the map data of the transported objects.
Preferably, the step of updating the display information of the corresponding placement area of the moving object and the electronic map database on the electronic map according to the first attribute data includes: inquiring whether map elements of the same type meeting set conditions with the corresponding placement area exist in the electronic map database according to the attribute data of the moving object; and if not, generating corresponding placement area display information on the electronic map according to the attribute data of the conveyed object.
Preferably, the step of updating the display information of the corresponding placement area of the moving object and the electronic map database on the electronic map according to the first attribute data includes: inquiring whether map elements of the same type meeting set conditions with corresponding placement areas exist in the electronic map database according to the first attribute data of the moving object; if so, not adding display information of the placement area on the electronic map, and adding the first attribute data to a storage data queue corresponding to the placement area.
Preferably, the set condition is that the overlapping area of the two placing areas is higher than a set proportion of the area of the new conveyed object placing area.
Preferably, the campus map generating method further includes: acquiring second attribute data of a conveyed object before being moved away from an original storage place; and updating the display information of the corresponding placement area and the electronic map database on the electronic map according to the second attribute data.
Preferably, the step of updating the corresponding placement area display information and the electronic map database on the electronic map according to the second attribute data includes: inquiring whether other moving objects exist in the corresponding original placement area in the electronic map database according to the second attribute data; and if not, deleting the display information of the corresponding placement area on the electronic map according to the second attribute data of the conveyed object.
Preferably, the step of updating the corresponding placement area display information and the electronic map database on the electronic map according to the second attribute data includes: inquiring whether other moving objects exist in the corresponding original placement area in the electronic map database according to the second attribute data; and if so, deleting the second attribute data information from the storage data queue corresponding to the original placement area, and updating the display information of the placement area according to the attribute data of other transports remaining in the storage data queue corresponding to the original placement area.
The invention also provides a server, which comprises a memory, a processor and a computer program stored in the memory and capable of running on the processor, wherein the processor executes the computer program to realize the steps of any one of the park map generation methods.
The invention also provides a computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of any of the campus map generating methods described above.
According to the invention, the size information and the latest storage position information of the moved materials or finished products and other conveyances are obtained in real time, and the corresponding placement areas are generated in the electronic map according to the positions and the size information of the conveyances, so that the park electronic map can automatically update the map according to the position changes of the park conveyances such as the materials or the finished products, and the placement areas in the map can be accurately expanded along with the stacking of the materials, so that the park electronic map can accurately reflect the current information of the park in real time, and the navigation or path planning requirements of a mobile platform in the park are met.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a schematic flow chart of a park electronic map generation method according to an embodiment of the present invention.
Fig. 2 is a schematic flowchart of step S103 according to an embodiment of the present invention.
Fig. 3 is a schematic flow chart of a park electronic map generation method according to another embodiment of the present invention.
Fig. 4 is a schematic flowchart of step S203 according to an embodiment of the present invention.
Fig. 5 is a schematic flow chart of a navigation method based on a campus electronic map according to an embodiment of the present invention.
Fig. 6 is a partial flowchart of a navigation method according to an embodiment of the present invention.
Fig. 7 is a flowchart illustrating a navigation method based on a campus electronic map according to another embodiment of the present invention.
Fig. 8 is a schematic structural diagram of a server according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and claims of the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.
Fig. 1 discloses a schematic step diagram of a campus map generation method, which can be implemented by a computer device, and includes the following specific steps:
and step S101, generating a park electronic map according to the park plan and the position data.
By importing the campus CAD plan as the base map of the campus map, the base map information of the indoor map may include information describing primitives such as points, lines, and planes of each artificial feature in the campus, and the information of the primitives includes, for example, shapes, areas, relative positions, and the like of the primitives. The configuration operation of the plane coordinate system and the target coordinate system can be realized based on a preset known coordinate conversion rule, and the longitude and latitude position information, the electronic map physical scale and other data corresponding to the campus base map information are obtained through the registration operation based on the plane coordinate system and the target coordinate system.
For the materials which are already stacked before the park electronic map is generated, the information of the material stacking area needs to be manually added into the park electronic map, or new material placing area information needs to be automatically added according to the new storage position and the material size information when the materials are carried and moved after the subsequent park electronic map is generated.
Step S102, first attribute data of the conveyed object conveyed to the storage place is obtained, wherein the attribute data comprises size information and position information of the conveyed object.
The object to be transported is a material or a finished product and other goods in the garden, the material or the finished product is provided with an identity tag, and the identity tag contains the length, width, height and other dimension information of the material or the finished product. After the initial park electronic map is generated, when the transported object is transported and moved to a new storage place, first attribute data of the transported object is obtained, wherein the attribute data comprises size information and position information of the transported object, therefore, the first attribute data comprises size information of the transported object such as length, width, height and the like and position information of the transported object at the new storage place, and the position information can be coordinate information.
Step S103, updating display information of a corresponding placement area of the transported object and an electronic map database on an electronic map according to the first attribute data, wherein the placement area is an area where the mobile transportation platform cannot pass due to the transported object.
In the embodiment, the material is taken as an example of the transported object, and the software system automatically generates material placement areas with equal proportions on the map according to the length, width and height information of the material and the placement position information of the material, so as to update the map information of the factory park. Specifically, the material placement area may use the coordinates of the material placement position as a center to respectively extend a proportional value of one-half of the material width on the map to the front and the back of the placement direction, and extend a proportional value of one-half of the material length on the map to the left and the right of the placement direction, so as to form a rectangular placement area corresponding to the material, where the placement direction is the placement direction in which the material is located when the material is unloaded by the mobile carrying platform, and the placement direction may be acquired and transmitted by the mobile carrying platform when the material is unloaded, and the placement area is used for marking the area in the park where the mobile carrying platform cannot pass through on the electronic map.
In the prior art, the movement and stacking of materials or finished products in a factory park can have a great influence on an electronic map of the factory park for navigation and path planning, so that a previous road becomes a temporary warehouse and the temporary warehouse becomes a road. According to the method and the device, the size information and the latest storage position information of the moved materials or finished products and other conveyances are acquired in real time, and corresponding placement areas are generated in the electronic map according to the positions and the size information of the conveyances, so that the park electronic map can automatically update the map according to the position changes of the park conveyances such as the materials or the finished products, the placement areas in the map can be accurately enlarged along with the stacking of the materials, the park electronic map can accurately reflect the current information of the park in real time, and the navigation or path planning requirements of a mobile platform in the park are met.
In some embodiments, the campus map generating method further includes storing the basic map data and the transported object map data in the electronic campus map data, respectively, generating corresponding placement area display information on the electronic map according to the size information and the position information of the transported object, and updating the transported object map data. Because the moving of the objects to be transported such as materials, finished products and the like in the garden is very frequent, the data of the storage area of the objects to be transported caused by the moving of the objects to be transported needs to be updated frequently, and therefore, the map data updating caused by the moving of the objects to be transported can only update the map data of the objects to be transported by respectively storing the basic map data and the map data of the objects to be transported, the basic map data does not need to be changed, the efficiency of updating the map of the garden is effectively improved, and meanwhile, the pressure on a navigation server is reduced.
In other embodiments, the step S103 may specifically include:
and step S1031, inquiring whether the map elements of the same type meeting the set conditions with the corresponding placement areas exist in the electronic map database according to the first attribute data of the conveyed object.
And step S1032, if not, generating corresponding placement area display information on the electronic map according to the attribute data of the conveyed object.
Specifically, taking the material handling as an example, the software system calculates the area and the coverage position range of the equal-proportion material placement area to be generated on the map according to the length, width and height information of the material and the new placement position information of the material, and queries whether the same type of map elements, namely other object handling placement areas, exist in the coverage position range in the electronic map database. And if no other transported object placing area exists, adding the material placing area into the electronic map database, and generating display information of the material placing area on the electronic map. Or the same type of map elements exist in the electronic map database in the coverage position range, but the same type of map elements, that is, the first carrier placement area and the newly added carrier placement area, do not satisfy the setting condition, in this embodiment, the setting condition may be that the overlapping portion of the coverage areas of the two placement areas is higher than 80% of the area of the new carrier placement area, and of course, the predetermined condition may also be adjusted according to the actual requirement, for example, the overlapping portion of the coverage areas of the two placement areas may be adjusted to be higher than half of the area of the new carrier placement area. And generating corresponding placement area display information on the electronic map according to the attribute data of the conveyed object.
And if map elements of the same type meeting the set conditions with the corresponding placement areas exist in the electronic map database, giving up the generation of display information of the placement areas corresponding to the moving objects on the electronic map.
In other embodiments, as shown in fig. 2, step S1033 may be further included, querying whether there are map elements of the same type in the electronic map database that satisfy the setting condition with the corresponding placement area according to the first attribute data of the transported object; if so, not adding display information of the placement area on the electronic map, and adding the first attribute data to a storage data queue corresponding to the placement area. Specifically, the setting condition in this embodiment may be the setting condition described in the foregoing step S1032 that the overlapping area of the two placement areas is higher than 80% of the area of the new conveyance object placement area. When the same type of map elements meeting the set conditions with the corresponding placement area exist in the electronic map database according to the first attribute data of the moving object, namely the original placement area display information which is 80% overlapped with the new placement area generated by the moving object on the electronic map exists on the original electronic map, the moving object is shown to be stacked on the original placement object in the area, the placement area display information of the moving object is not newly added on the electronic map, and the original placement area display information can show the area where the garden contained by the new moving object can not pass. Meanwhile, the size information and the position information of the new conveyed object are supplemented to a storage data queue of the placement area, and the storage data queue also stores attribute data corresponding to all the conveyed objects in the placement area. In addition, the storage data queue can also comprise the recording sequence or the recording time information of the data of each conveyed object.
By comparing with map elements in the original placement area, only the attribute information of the transported object is added to the corresponding storage queue of the area without adding and updating the display information of the electronic map under the condition of meeting the requirement, so that the updating frequency of the display information of the electronic map is reduced, the accumulated information of the transported object in the placement area is recorded, the updating frequency of the map of the system is reduced, the accuracy of the information of the transported object is ensured, and the real-time updating and displaying of the positions of the transported objects such as various materials, finished products and the like on the electronic map are ensured.
In other embodiments, step S103 may further specifically include: and adding display information of the corresponding placement area of the moving object on the electronic map according to the first attribute data. Specifically, taking the material handling as an example, the software system calculates the area and the coverage position range of an equal-proportion material placement area to be generated on a map according to the length, width and height information of the material and the new placement position information of the material, adds the material placement area to an electronic map database, and generates display information corresponding to the material placement area on the electronic map. And if other material placement area display information exists in the electronic map on the material placement area, directly overlaying the material placement area display information on the electronic map. When the materials need to be moved away in a certain placing area, the corresponding display information of the materials on the corresponding original placing area is obtained only according to the length, width, height and other size information of the moved materials and the original placing position of the materials, and the corresponding display information is deleted, so that the display information of other overlapped stored materials in the placing area is not influenced. The accuracy of the information of the moved transported objects is guaranteed, the positions of the transported objects such as various materials and finished products on the electronic map are guaranteed to be updated and displayed in real time, the information of the original placement area after the transported objects are removed is updated, and the information of the passable area can be updated in real time by the electronic map of the park.
Fig. 3 is a schematic diagram illustrating steps of another campus map generation method, which may be implemented by a computer device, and includes the following specific steps:
and step S201, generating a park electronic map according to the park plan and the position data.
In step S202, second attribute data of the transported object before being transported from the original storage location is acquired.
Step S203, updating the corresponding display information of the placement area and the electronic map database on the electronic map according to the second attribute data.
Step S204, first attribute data of the conveyed object conveyed to the storage place is obtained, wherein the attribute data comprises size information and position information of the conveyed object.
Step S205, updating display information of a corresponding placement area of the moving object and an electronic map database on the electronic map according to the first attribute data, where the placement area is an area where the moving transportation platform cannot pass due to the moving object.
Wherein, S201, S204, S205 in the above steps are similar to steps S101, S102, S103 in the foregoing first embodiment, and the discussion is not repeated here, and the similar contents refer to the foregoing embodiment, and the following steps S202 and S203 are specifically described below.
In step S202, second attribute data of the transported object before being transported from the original storage location is acquired.
In this embodiment, a material to be transported is taken as an example for explanation, and since the material is mounted with an identity tag containing information of the length, width, height, etc. of the material. Before the object to be transported is to be transported away from the original storage, second attribute data of the material, namely size information of the material and position information of the original storage are obtained, wherein the position information can be coordinate information, or coordinate information of a material center, or coordinate information of each edge part point of the material.
Step S203, updating the corresponding display information of the placement area and the electronic map database on the electronic map according to the second attribute data.
In the present embodiment, the transported object is exemplified by a material, and the map information of the factory park is updated by deleting the display information of the original material placement area on the map according to the length, width, and height information of the material and the original storage position information of the material. The removal of deposit such as material or finished product in the garden will let the unable area of traveling of removal transport platform originally possible become passable road from, thereby effectively promote the transport and the allotment efficiency of garden goods, consequently after the removal of transport thing from former place of storage, park electronic map need be updated immediately, place regional display information and change or delete to its corresponding removal, thereby make park navigation system and removal transport platform can learn current passable road condition in real time, make park electronic map can accurate real-time reflection park current information, satisfy the navigation of removal platform in the garden or route planning demand.
In other embodiments, the step S203 may specifically include:
step S2031, inquiring whether other transport objects exist in the corresponding original placement area in the electronic map database according to the second attribute data.
And step S2032, if not, deleting the corresponding display information of the placement area on the electronic map according to the second attribute data of the conveyed object.
Specifically, taking material handling as an example, the software system queries an original placement area corresponding to the electronic map database and a corresponding stored data queue of the original placement area according to the length, width and height information of the material and the new placement position information of the material. And inquiring whether other transports exist in the corresponding original placement area, namely other materials or finished products placed in the placement area. And if no other materials or finished products exist, deleting the stored data of the material placement area from the electronic map database, and deleting the display information of the material placement area on the electronic map.
In other embodiments, as shown in fig. 4, step S2033 may further be included, to query whether there are other transports in the corresponding original placement area in the electronic map database according to the second attribute data; and if so, deleting the second attribute data information of the conveyed object from the stored data queue corresponding to the original placement area, and updating the display information of the placement area according to the remaining attribute data of other conveyed objects in the stored data queue corresponding to the original placement area. Specifically, when there are other objects in the original placement area, it indicates that the object is stacked on the other objects in the area or placed next to the other objects, and the placement area needs to be regenerated according to the attribute information, i.e., the size information and the position information, of the remaining objects after the object is removed, i.e., the display information of the original placement area needs to be updated again after the object is removed, and the second attribute data information of the object is deleted from the stored data queue corresponding to the original placement area at the same time.
The display information of the original placement area on the electronic map is updated by judging whether other moving objects remain in the original placement area when the stored objects are moved away, so that the actual placement area covered by the goods in the placement area is displayed in real time, a new passing area formed by moving away the goods can be displayed on the electronic map in real time, the accuracy of the information of the moving objects is ensured, and the passing area of a park on the electronic map can be updated and displayed in real time.
In an application embodiment of another specific campus map generation method, the campus map generation method is applied to a navigation system of a campus, the navigation system includes an identity tag, and the identity tag is installed on a moving object in the campus, and the identity tag includes size information of the moving object; the mobile carrying platform is provided with an identity tag reader and is used for reading size information in the identity tag of the carried object; the positioning device is used for acquiring the position information of the mobile carrying platform; and the navigation server is used for acquiring the position information and the size information of the transported object transported to the destination by the mobile transporting platform, and generating or updating data of a placement area on the park electronic map according to the position information and the size information of the transported object, wherein the placement area is an area which can not be passed by the mobile transporting platform. The size information and the latest storage position information of the moved materials or finished products and other conveyances are obtained in real time, and corresponding placement areas are generated in the electronic map according to the positions and the size information of the conveyances, so that the park electronic map can automatically update the map according to the position changes of the park placeables such as the materials or the finished products, the placement areas in the map can be accurately expanded along with the stacking of the materials, the park electronic map can accurately reflect the current information of the park in real time, and the navigation or path planning requirements of a mobile platform in the park are met.
In this embodiment, the objects to be transported in the park may be materials or finished products or any other objects to be moved, and the following discussion mainly takes materials as an example, but the transportation manner of the objects such as other finished products is the same. In this embodiment, the identity tag is an RFID tag, and the length, width and height information of the material or the finished product is contained in the RFID tag. The mobile carrying platform is a forklift provided with an RFID reader and the UWB tag, and the RFID reader is used for acquiring size information in the RFID tag of a carried object on the forklift.
The method comprises the steps that a UWB base station is installed in a park and used for positioning the position of a UWB tag in the park; after the material arrives at a commodity or is produced and processed, the RFID label can be installed, and the length, the width, the height and other information of the material can be written in the RFID label. Or the factory operator inputs the material attribute information of the material, including the length, width and height information, by scanning the RFID label on the material by using the handheld PDA. Meanwhile, an RFID reader is arranged on a forklift used for carrying materials or finished products in the park and used for reading the size information of the materials during material transportation. Simultaneously, the real-time position of the forklift in the factory park is positioned by installing a UWB tag on the forklift. In other embodiments, a flat plate is arranged on some forklifts in the park, a forklift navigation system is deployed in the flat plate, the system and a background navigation server realize bidirectional communication, the forklifts send own positions to a back-end system in real time, and the back-end navigation server sends real-time path planning information to the forklift system in real time; if the stacking of the materials causes the previous road to become incapable of driving, the rear-end navigation server plans the path for the forklift again and sends the planned path to the navigation system of the forklift.
And the navigation server is provided with a park electronic map and path planning software and is used for acquiring the position information of the forklift and the size information of the transported object through the positioning device after the forklift RFID reader loses connection with the RFID tag. Specifically, when the forklift forks the material to be transported, the RFID reader on the forklift automatically identifies the material size information in the RFID tag of the transported material, and sends the obtained material size information to the navigation server. When the forklift carries the materials to the destination according to the navigation planning path and begins to place the materials, when the RFID reader on the forklift cannot identify the carried material label information, the position information of the forklift at the moment is recorded, the position information can be a coordinate position, the position information of the placed materials is sent to the navigation server, and the navigation server automatically generates material area display information with equal proportion on a map according to the length, width and height information of the materials which are just carried to a new storage place and the placement information of the materials so as to update the electronic map information of the factory park.
In some embodiments, the navigation server is further configured to obtain placement area data of each transported object included in the campus electronic map, calculate a travelable route of the mobile transportation platform according to the transportation task request, and select a travel route from the travelable routes, where the travel route is not in contact with the transported object placement area.
The navigation server is further configured to: determining a mobile carrying platform for executing the carrying task, and calculating the time required for executing the carrying task; acquiring a running path of a mobile carrying platform for executing other carrying tasks in a task time period; and selecting a route which does not conflict with the paths of other mobile carrying platforms from the travelable routes. The method avoids the possible contact route with the navigation path of other mobile carrying platforms which are carrying out the carrying task, thereby avoiding the accidents such as collision and the like in the subsequent driving process.
In another embodiment, the campus navigation system further comprises a UWB tag, such as a UWB wristband tag, the position information of the person carrying the UWB wristband type tag can be positioned in real time through a UWB base station, and the distance between the forklift and the person is less than the value obtained by multiplying the speed of the forklift by the reaction time of the person, the background navigation server sends an alarm to the UWB tag worn by the person, the UWB tag sends a vibration alarm, the worn person can quickly evacuate to a relative safe distance with the forklift after receiving the alarm, meanwhile, the rear-end navigation server also sends alarm information to the corresponding forklift with collision risk, so that the forklift is enabled to slow down the running speed, personnel in front are not close to the front, and the risk of collision accidents in the park is reduced.
Fig. 5 is a view showing another embodiment of a navigation method based on a park electronic map, which can be applied to various park navigation systems composed of a mobile platform and a positioning device, and specifically, the navigation method based on the park electronic map is described below by taking as an example an application of the park navigation system composed of a carrying platform such as a forklift, an identity tag, a positioning device and a navigation server, which is described in the foregoing embodiment, and specifically includes the following steps:
step S301, a transport task request is acquired, where the transport task request includes departure location data and transport destination location data of a transport object.
The mobile carrying platform, that is, the forklift in this embodiment, receives a carrying task request sent by the background server, where the carrying task request may include original storage location data and destination location data of a carried object to be carried. Or the operator can inform the forklift to move the materials to the appointed place.
Step S302, calculating a travelable route of the mobile carrying platform according to the carrying task request.
And generating a plurality of selectable drivable paths according to the current position of the forklift, the current storage place position data of the conveyed object and the conveying destination position data by an internal path planning algorithm, wherein the path planning algorithm can adopt the existing navigation algorithm and the like.
Step S303 is to acquire placement area data of each of the conveyances included in the campus electronic map, and select a travel route from the travelable route, the travel route not being in contact with the placement area of each of the conveyances.
In some embodiments, when the conveyed object is conveyed and placed to the destination, the position information of the conveyed object is acquired, and the corresponding placement area information is generated according to the position information and the size information of the conveyed object. And after the forklift RFID reader loses connection with the RFID tag, the positioning device acquires forklift position information and size information of the conveyed object. Specifically, when the forklift forks the material to be transported, the RFID reader on the forklift automatically identifies the material size information in the RFID tag of the transported material, and sends the obtained material size information to the navigation server. When the forklift carries the materials to the destination according to the navigation planning path and begins to place the materials, when the RFID reader on the forklift cannot identify the carried material label information, the position information of the forklift at the moment is recorded, the position information can be a coordinate position, the position information of the placed materials is sent to the navigation server, and the navigation server marks the received position information as the placement position information of the corresponding materials. The navigation server automatically generates material area display information with equal proportion on a map according to the length, width and height information of the materials which are just carried to a new storage place and the placement information of the materials to update the electronic map information of the factory park, and the material placement areas are areas where the forklift can not pass because various transports are stacked, so that the placement areas need to be avoided in advance when the driving path of the forklift is established, and the driving path which is not in contact with the placement areas of the transports is selected.
In other embodiments, as shown in fig. 6, the placement area information further includes a step of expected placement area information, which is as follows:
step S401, when the transported object is transported away from the departure place, corresponding expected placement area information is generated on the park electronic map according to the destination position information and the size information of the transported object. Namely, when the forklift forks the materials to be transported, the RFID reader on the forklift automatically identifies the material size information in the RFID label of the transported materials, and sends the obtained material size information to the navigation server, and simultaneously, the forklift also sends the address information of the preset transportation destination of the materials to the navigation server, or the navigation server directly searches the destination of the transportation task currently executed by the forklift by other forklift task storage modules according to the forklift identification information, so that the display information of the new placement area of the transported materials is generated on the electronic map in advance according to the size information of the transported materials and the position information of the transportation destination, and the storage data queue corresponding to the placement area is updated.
In step S402, a travel route which is not in contact with the expected placement area of the other transported object is selected from the travelable routes. Because a plurality of forklifts or other mobile carrying platforms carry out carrying work simultaneously in the garden, certain areas can still pass when a carrying planned driving path is generated, but when the forklifts start to drive, other forklifts can complete carrying tasks and carry objects to be placed in destination placing areas, and the placing areas can possibly directly block the passing of the objects to be placed on the selected planned driving path of the forklifts which start before the objects reach the destination. However, in the foregoing embodiments, the corresponding placement area information needs to be generated on the map after the objects arrive at the destination, so that the forklift which departs before arriving at the destination cannot find the existence of the placement areas which obstruct the passage. Therefore, the embodiment displays the placement area of the object to be transported in the transportation task on the electronic map in advance, thereby avoiding the problem that the forklift which departs before arriving at the destination cannot find the placement area which obstructs the passage. Specifically, when the forklift forks the material according to the navigation planning path and the RFID reader on the forklift recognizes the information of the label of the material to be carried, the position information of the forklift at the moment is recorded and can be sent to the navigation server together with the destination coordinate position in the carrying request task, and the navigation server automatically generates the equal-scale display information of the expected material area on the map according to the length, width and height information of the material and the destination placement information of the material, so as to update the electronic map information of the factory park.
According to the embodiment, through the disclosed navigation method, the optimal dispatching and carrying route is obtained by respectively considering whether the materials are accumulated in the current road condition so that the forklift can not pass through the road, whether a plurality of forklifts need to pass through one road simultaneously, the shortest distance of the road and other factors, and the like, so that the forklifts and other carrying platforms can be guaranteed to run in the fastest and optimal mode.
Fig. 7 is a navigation method based on a park electronic map disclosed in another embodiment, which specifically includes:
step S501, a transport task request is acquired, where the transport task request includes departure location data and transport destination location data of a transport object.
Step S502, calculating the travelable route of the mobile carrying platform according to the carrying task request.
Step S503, determining the mobile carrying platform for carrying out the carrying task, and calculating the time required for carrying out the carrying task.
Step S504, a travel path of the mobile carrying platform that executes another carrying task within the task time period is acquired.
And step S505, selecting a route which does not conflict with the paths of other mobile carrying platforms from the travelable routes.
Step S506 is to acquire placement area data of each of the conveyances included in the campus electronic map, and select a travel route which is not in contact with the placement area of the conveyances from the route selected in the above step.
S501, S502, and S506 in the above steps are similar to steps S401, S402, and S403 in the first embodiment, and the description is not repeated here, and the similar contents may refer to the foregoing embodiment, and the following steps S503, S504, and S505 are specifically described below.
Step S503, determining a mobile carrying platform for executing the carrying task, and calculating the time required for executing the carrying task, specifically including: the operational parameters of the mobile transfer platform receiving the transfer task request, such as platform properties, average moving speed, etc., are obtained. Calculating a rough estimation time required for executing the carrying task according to the working parameters of the mobile carrying platform and the moving distance of the carrying task.
Step S504, a travel path of the mobile carrying platform that executes another carrying task within the task time period is acquired. And inquiring the preset running path of each mobile carrying platform for carrying out carrying tasks in the park in the relevant task time period from a scheduling module of the mobile platform.
And step S505, selecting a route which does not conflict with the paths of other mobile carrying platforms from the travelable routes. That is, a route which does not conflict with the paths of other mobile carrying platforms, that is, a route which does not contact with the preset paths of other mobile carrying platforms which are carrying out carrying tasks, is selected from the multiple selectable travelable routes generated in step S502, so as to avoid accidents such as collision and the like in the subsequent traveling process.
And when the destination position of the transportation task is positioned on the driving path of the other mobile transportation platform executing the transportation task, sending a driving path change request to the other mobile transportation platform, or delaying the starting time of the transportation task at this time and re-screening the driving path according to a new task time period. When the destination position of the carrying task is positioned on the driving path of other mobile carrying platforms which are executing the carrying task, the driving paths of other relevant mobile carrying platforms cannot be avoided by the path selected by the mobile carrying platform, and the carrying task is started only by changing the driving path of other mobile carrying platforms which have the risk of route collision, or after the other mobile carrying platforms finish the carrying task or wait for a certain time, so as to prevent accidents such as collision in the subsequent driving process.
In still other embodiments, disclosed are methods of navigating based on a campus electronic map, wherein the placement area information further includes expected placement area information; when the transported object is transported away from a starting place, generating corresponding expected placement area information on a park electronic map according to the destination position information and the size information of the transported object; and selecting a driving path which is not contacted with the expected placement area of the conveyed object from the driving path set. The specific content of this step can be referred to steps S401 and S402 in the foregoing embodiment, and detailed discussion is not repeated here, and of course, the processing sequence of the above steps S503, S504, and S505 and step S506 can be exchanged or can be processed in parallel. The navigation method disclosed by the embodiment obtains the optimal dispatching and carrying route by respectively considering the factors of whether the current road condition has material accumulation so that a forklift can not pass through, whether a plurality of forklifts need to pass through one road simultaneously, the shortest distance of the road and the like, and ensures that carrying platforms such as the forklifts can run in the fastest and optimal mode.
It should be noted that, in the present specification, the foregoing embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and like parts between the embodiments may be referred to each other. Meanwhile, in the navigation system, the navigation method, or the map generation method described in the above embodiments, the mobile carrying platform may be a forklift, various AGVs, or other mobile carrying platforms, and the carried object may be a material, a finished product, or other objects in a park.
Fig. 8 is a schematic diagram of a server according to an embodiment of the disclosure. The server is used for providing a single application service for the tenant, and the server 1 of this embodiment includes a memory 12, a processor 11, and a computer program, such as electronic map software or campus navigation software, stored in the memory and executable on the processor. The processor implements the steps in the above-described respective campus map generating method embodiments when executing the computer program.
Illustratively, the computer program may be partitioned into one or more modules/units that are stored in the memory and executed by the processor to implement the invention. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution process of the computer program in the server.
The server may include, but is not limited to, a processor, a memory. It will be appreciated by those skilled in the art that the schematic diagram is merely an example of a server and is not intended to limit the server device, and that it may include more or less components than those shown, or some components may be combined, or different components, for example, the server device may also include input output devices, network access devices, buses, etc.
The Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. The general purpose processor may be a microprocessor or the processor may be any conventional processor or the like, which is the control center of the server device and connects the various parts of the overall server device using various interfaces and lines.
The memory may be used to store the computer programs and/or modules, and the processor may implement the various functions of the server device by running or executing the computer programs and/or modules stored in the memory, as well as by invoking data stored in the memory. The memory may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required for at least one function, and the like, and the memory may include a high speed random access memory, and may further include a non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
The campus map generating method may be stored in a computer-readable storage medium if it is implemented in the form of a software functional unit and sold or used as an independent product. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media does not include electrical carrier signals and telecommunications signals as is required by legislation and patent practice.
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 the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.
Claims (17)
1. A campus map generating method, comprising:
generating a park electronic map according to the park plan and the position data;
acquiring first attribute data of a conveyed object conveyed to a storage place, wherein the attribute data comprises size information and position information of the conveyed object;
updating display information of a corresponding placement area of the moving object and an electronic map database on an electronic map according to the first attribute data, wherein the placement area is an area where a moving carrying platform cannot pass due to the moving object;
and when the transported object is transported away from the departure place, generating corresponding expected placement area information on the electronic map according to the destination position information and the size information of the transported object.
2. The campus map generating method according to claim 1, wherein:
and respectively storing basic map data and the map data of the transported objects in the electronic map data, generating corresponding placement area display information on the electronic map according to the size information and the position information of the transported objects, and updating the map data of the transported objects.
3. The campus map generating method according to claim 1, wherein the updating of the display information of the corresponding placement area of the object to be transported and the electronic map database on the electronic map according to the first attribute data includes:
inquiring whether map elements of the same type meeting set conditions with the corresponding placement area exist in the electronic map database according to the attribute data of the moving object; and if not, generating corresponding placement area display information on the electronic map according to the attribute data of the conveyed object.
4. The campus map generating method according to claim 2, wherein the updating of the display information of the corresponding placement area of the object to be transported and the electronic map database on the electronic map according to the first attribute data includes:
inquiring whether map elements of the same type meeting set conditions with the corresponding placement area exist in the electronic map database according to the attribute data of the moving object; and if not, generating corresponding placement area display information on the electronic map according to the attribute data of the conveyed object.
5. The campus map generating method according to claim 3, wherein the updating of the display information of the corresponding placement area of the object to be transported and the electronic map database on the electronic map according to the first attribute data includes:
inquiring whether map elements of the same type meeting set conditions with corresponding placement areas exist in the electronic map database according to the first attribute data of the moving object; if so, not adding display information of the placement area on the electronic map, and adding the first attribute data to a storage data queue corresponding to the placement area.
6. The campus map generating method according to claim 4, wherein the updating of the display information of the corresponding placement area of the object to be transported and the electronic map database on the electronic map according to the first attribute data includes:
inquiring whether map elements of the same type meeting set conditions with corresponding placement areas exist in the electronic map database according to the first attribute data of the moving object; if so, not adding display information of the placement area on the electronic map, and adding the first attribute data to a storage data queue corresponding to the placement area.
7. The campus map generating method of any one of claims 3 to 6, wherein:
the set condition is that the overlapping part of the coverage areas of the two placing areas is higher than a set proportion of the area of the new conveyed object placing area.
8. The campus map generating method of any one of claims 1 to 6, further comprising:
acquiring second attribute data of a conveyed object before being moved away from an original storage place;
and updating the display information of the corresponding placement area and the electronic map database on the electronic map according to the second attribute data.
9. The campus map generating method of claim 7, further comprising:
acquiring second attribute data of a conveyed object before being moved away from an original storage place;
and updating the display information of the corresponding placement area and the electronic map database on the electronic map according to the second attribute data.
10. The campus map generating method of claim 8, wherein said updating the respective placement area display information and the electronic map database on the electronic map according to the second attribute data comprises:
inquiring whether other moving objects exist in the corresponding original placement area in the electronic map database according to the second attribute data; and if not, deleting the display information of the corresponding placement area on the electronic map according to the second attribute data of the conveyed object.
11. The campus map generating method of claim 9, wherein said updating the respective placement area display information and the electronic map database on the electronic map according to the second attribute data comprises:
inquiring whether other moving objects exist in the corresponding original placement area in the electronic map database according to the second attribute data; and if not, deleting the display information of the corresponding placement area on the electronic map according to the second attribute data of the conveyed object.
12. The campus map generating method of claim 8, wherein said updating the respective placement area display information and the electronic map database on the electronic map according to the second attribute data comprises:
inquiring whether other moving objects exist in the corresponding original placement area in the electronic map database according to the second attribute data; and if so, deleting the second attribute data information from the storage data queue corresponding to the original placement area, and updating the display information of the placement area according to the attribute data of other transports remaining in the storage data queue corresponding to the original placement area.
13. The campus map generating method of claim 9, wherein said updating the respective placement area display information and the electronic map database on the electronic map according to the second attribute data comprises:
inquiring whether other moving objects exist in the corresponding original placement area in the electronic map database according to the second attribute data; and if so, deleting the second attribute data information from the storage data queue corresponding to the original placement area, and updating the display information of the placement area according to the attribute data of other transports remaining in the storage data queue corresponding to the original placement area.
14. The campus map generating method of claim 10, wherein said updating the respective placement area display information and the electronic map database on the electronic map according to the second attribute data comprises:
inquiring whether other moving objects exist in the corresponding original placement area in the electronic map database according to the second attribute data; and if so, deleting the second attribute data information from the storage data queue corresponding to the original placement area, and updating the display information of the placement area according to the attribute data of other transports remaining in the storage data queue corresponding to the original placement area.
15. The campus map generating method of claim 11, wherein said updating the respective placement area display information and the electronic map database on the electronic map according to the second attribute data comprises:
inquiring whether other moving objects exist in the corresponding original placement area in the electronic map database according to the second attribute data; and if so, deleting the second attribute data information from the storage data queue corresponding to the original placement area, and updating the display information of the placement area according to the attribute data of other transports remaining in the storage data queue corresponding to the original placement area.
16. A server comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein: the processor, when executing the computer program, realizes the steps of the method according to any of claims 1-15.
17. A computer-readable storage medium storing a computer program, characterized in that: the computer program when being executed by a processor realizes the steps of the method as claimed in any one of the claims 1-15.
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| CN201811432212.1A CN109540125B (en) | 2018-11-28 | 2018-11-28 | Park map generation method, server and storage medium |
| CN202011271361.1A CN112378404B (en) | 2018-11-28 | 2018-11-28 | Park navigation system |
| CN202011271362.6A CN112378405B (en) | 2018-11-28 | 2018-11-28 | Navigation method based on park electronic map, server and storage medium |
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| CN110245913A (en) * | 2019-05-17 | 2019-09-17 | 深圳市特区建设发展集团有限公司 | A kind of garden management system |
| CN111123865B (en) * | 2019-12-16 | 2023-06-16 | 上海信耀电子有限公司 | Multi-navigation-vehicle collaborative scheduling method based on dot matrix map |
| CN112165685B (en) * | 2020-09-23 | 2022-11-25 | 武汉虹信技术服务有限责任公司 | Self-adaptive navigation method based on intelligent park environment and storage medium |
| CN112697132A (en) * | 2020-12-21 | 2021-04-23 | 北京金和网络股份有限公司 | Positioning method, device and system based on GIS |
| CN113253715B (en) * | 2021-03-01 | 2023-04-07 | 一汽物流有限公司 | Hybrid scheduling method and system for unmanned forklift and AGV |
| CN113449798A (en) * | 2021-06-30 | 2021-09-28 | 上海西井信息科技有限公司 | Port unmanned driving map generation method and device, electronic equipment and storage medium |
| CN114218346B (en) * | 2022-02-21 | 2022-06-28 | 浪潮通用软件有限公司 | Method and system for guiding vehicles in park and park layout drawing method |
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| CN112378404A (en) | 2021-02-19 |
| CN112378404B (en) | 2022-09-06 |
| CN112378405B (en) | 2022-09-06 |
| CN109540125A (en) | 2019-03-29 |
| CN112378405A (en) | 2021-02-19 |
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