CN108447330B - Virtual-real combined numerical control equipment cascade system and method - Google Patents
Virtual-real combined numerical control equipment cascade system and method Download PDFInfo
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- CN108447330B CN108447330B CN201810091966.9A CN201810091966A CN108447330B CN 108447330 B CN108447330 B CN 108447330B CN 201810091966 A CN201810091966 A CN 201810091966A CN 108447330 B CN108447330 B CN 108447330B
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Abstract
The invention provides a virtual-real combined numerical control equipment cascading system and a method, wherein the cascading system comprises a simulation teaching system, a data platform and real numerical control equipment, wherein: the simulation teaching system comprises a real numerical control panel, simulation control software and a communication module; the data platform comprises a unified processing module, and the unified processing module is used for receiving each network data packet provided by the simulation teaching system and carrying out unified processing on the network data packets; and the real numerical control equipment is used for receiving the network data packet which is sent by the data platform and is subjected to the unification treatment, extracting a corresponding control instruction from the network data packet which is subjected to the unification treatment, and responding to the control instruction. The technical scheme provided by the invention can associate the simulation control software with the control panel of the real machine tool and the real numerical control equipment.
Description
Technical Field
The invention relates to the technical field of numerical control, in particular to a virtual-real combined numerical control equipment cascade system and a virtual-real combined numerical control equipment cascade method.
Background
In the current teaching process of the numerical control machine tool, most schools only have simulation control software, and students generally perform numerical control operation in a virtual environment through the simulation control software. However, such a virtual environment cannot be directly connected to a control panel of a real machine tool, and further cannot be directly connected to a numerical control device of a real factory. This makes most students not see the numerical control equipment of the real factory, and also not know if the real numerical control equipment is operated, thus leading to the closeness of teaching, and the knowledge learned by the students has no way to meet the real factory.
Disclosure of Invention
The invention provides a virtual-real combined numerical control equipment cascading system and method, which can associate simulation control software with a control panel of a real machine tool and real numerical control equipment.
In order to achieve the above object, the present application provides a virtual-real combined cascade system of a numerical control device, where the cascade system includes a simulation teaching system, a data platform, and a real numerical control device, where:
the simulation teaching system comprises a real numerical control panel, simulation control software and a communication module, wherein the real numerical control panel is used for receiving a control instruction applied by a user and sending the control instruction to the simulation control software; the simulation control software is used for packaging the control instruction into a network data packet and sending the network data packet to the data platform through the communication module; the network data packet is an internet data packet or an internet of things data packet;
the data platform comprises a unified processing module, wherein the unified processing module is used for receiving each network data packet provided by the simulation teaching system and carrying out unified processing on the network data packets to obtain network data packets with the same format; sending the network data packets with the same format to the real numerical control equipment; the unification processing comprises at least one of data type unification processing, control method unification processing, coding mode unification processing, instruction set unification processing and input and output mode unification processing;
and the real numerical control equipment is used for receiving the network data packet which is sent by the data platform and is subjected to the unification treatment, extracting a corresponding control instruction from the network data packet which is subjected to the unification treatment, and responding to the control instruction.
Further, the data platform comprises an equipment detection unit, and the equipment detection unit is used for respectively sending detection data packets to a plurality of real numerical control equipment connected with the data platform and taking the real numerical control equipment feeding back response data packets aiming at the detection data packets as available numerical control equipment;
correspondingly, the data platform is further used for selecting a target numerical control device from the available numerical control devices and sending the network data packet subjected to the unification processing to the target numerical control device.
Furthermore, the simulation control software comprises an identifier adding unit, and the identifier adding unit is used for adding an identifier of a real numerical control panel corresponding to a control instruction in a network data packet in the encapsulated network data packet.
Further, the real numerical control equipment and the real numerical control panel are bound in advance; correspondingly, the data platform is also used for inquiring real numerical control equipment bound with the real numerical control panel according to the identification of the real numerical control panel carried in the received network data packet, and sending the network data packet after the unification treatment to the bound real numerical control equipment.
Further, the data platform comprises:
the current-period data packet query unit is used for locally querying the last network data packet sent by the simulation teaching system after receiving the current network data packet sent by the simulation teaching system;
the numerical control equipment matching unit is used for determining at least one target real numerical control equipment matched with the network data packet sent last time in a plurality of real numerical control equipment connected with the data platform;
and the data packet sending unit is used for sending the current network data packet subjected to the unification treatment to one real numerical control device in the at least one target real numerical control device.
Further, the numerical control device matching unit includes:
and detecting a network data packet currently received by each real numerical control device in the plurality of real numerical control devices, and taking the real numerical control device as the target real numerical control device if the network data packet currently received by the real numerical control device is the same as the network data packet sent last time.
Further, after responding to the control instruction, the real numerical control equipment is also used for sending response information to the data platform;
correspondingly, the data platform is further used for feeding the response information back to the simulation teaching system so as to display the response information through simulation control software in the simulation teaching system.
Further, the data platform is further configured to:
matching the current idle numerical control equipment according to a control instruction in a received network data packet, and if the idle numerical control equipment is not matched and a target numerical control equipment capable of executing the control instruction is determined, enabling the control instruction to enter a waiting queue of the target numerical control equipment and determining the waiting duration of the waiting queue in real time;
wherein, determining the waiting duration of the waiting queue in real time comprises:
the data platform determines the number m of received operation instructions pointing to the target numerical control equipment, the number n of currently completed instructions of the target numerical control equipment and the number p of currently in-process instructions of the target numerical control equipment; wherein, the time consumption of each completed instruction is t1 and t2 … … tn, respectively, the time consumption of each in-progress instruction is P1 and P2 … … Pp, respectively, and then the queue length of the wait queue is: r-m-n-p;
the initial waiting time period Th0 is determined as:
then, starting with the initial waiting time length, every time when an instruction is executed, the data platform adds one to the number n of completed instructions, and calculates the waiting time length Thj after the instruction is executed according to the waiting time length Th (j-1) determined last time:
after a preset time period, m and n are determined again, the initial waiting time length Th0 is determined again, and then the waiting time length Thj after the instruction is executed is calculated according to the waiting time length Th (j-1) determined last time until the control instruction is executed by the target numerical control device.
In order to implement the foregoing manner, the present application further provides a virtual-real combined numerical control device cascading method, where the cascading method includes:
receiving a control instruction applied by a user through a real numerical control panel in a simulation teaching system, and sending the control instruction to simulation control software which is in the simulation teaching system and is connected with the real numerical control panel;
packaging the control instruction into a network data packet by using the simulation control software, and sending the network data packet to a data platform through a communication module;
the data platform performs unification processing on the received network data packets to obtain network data packets with the same format, and sends the network data packets with the same format to a real numerical control device; the unification processing comprises at least one of data type unification processing, control method unification processing, coding mode unification processing, instruction set unification processing and input and output mode unification processing;
and the real numerical control equipment extracts a corresponding control instruction from the network data packet with the same format and responds to the control instruction.
Further, after the network data packet is sent to a data platform through a communication module, the method further includes:
respectively sending detection data packets to a plurality of real numerical control devices connected with the data platform, and taking the real numerical control devices which feed back response data packets aiming at the detection data packets as available numerical control devices;
and selecting a target numerical control device from the available numerical control devices, and sending the network data packet subjected to the unification processing to the target numerical control device.
Further, the cascade method further comprises:
after receiving the current network data packet sent by the simulation teaching system, the data platform locally queries the last network data packet sent by the simulation teaching system;
determining at least one target real numerical control device matched with the network data packet sent last time in a plurality of real numerical control devices connected with the data platform;
and sending the current network data packet subjected to the unification treatment to one real numerical control device in the at least one target real numerical control device.
It can be seen from the above that, in this application, real machine tool control panel is connected with emulation control software, forms emulation numerical control equipment, with emulation numerical control equipment connecting network, forms virtuality and reality combination emulation teaching system, and the data of many virtuality and reality combination emulation teaching system can be passed to data platform, and data platform combines each virtuality and reality combination emulation teaching system to connect the real numerical control equipment of different models according to data analysis, and then operates real factory numerical control equipment through data platform. The students can learn by using the numerical control equipment of the virtual-real combined simulation teaching system, and can operate the control system of the real factory numerical control equipment to achieve the purpose of mastering the operation method of the factory equipment.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
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 specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a virtual-real combined numerical control device cascade system in an embodiment of the present invention;
fig. 2 is a flowchart of a virtual-real combined numerical control device cascading method in the embodiment of the invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Referring to fig. 1, the present application provides a virtual-real combined cascade system of a numerical control device, where the cascade system includes a simulation teaching system, a data platform, and a real numerical control device, where:
the simulation teaching system comprises a real numerical control panel, simulation control software and a communication module, wherein the real numerical control panel is used for receiving a control instruction applied by a user and sending the control instruction to the simulation control software; the simulation control software is used for packaging the control instruction into a network data packet and sending the network data packet to the data platform through the communication module; the network data packet is an internet data packet or an internet of things data packet;
the data platform comprises a unified processing module, wherein the unified processing module is used for receiving each network data packet provided by the simulation teaching system and carrying out unified processing on the network data packets to obtain network data packets with the same format; sending the network data packets with the same format to the real numerical control equipment; the unification processing comprises at least one of data type unification processing, control method unification processing, coding mode unification processing, instruction set unification processing and input and output mode unification processing;
and the real numerical control equipment is used for receiving the network data packet which is sent by the data platform and is subjected to the unification treatment, extracting a corresponding control instruction from the network data packet which is subjected to the unification treatment, and responding to the control instruction.
In this embodiment, the data platform includes a device detection unit, where the device detection unit is configured to send a detection data packet to each of a plurality of real numerical control devices connected to the data platform, and use, as an available numerical control device, a real numerical control device that feeds back a response data packet for the detection data packet;
correspondingly, the data platform is further used for selecting a target numerical control device from the available numerical control devices and sending the network data packet subjected to the unification processing to the target numerical control device.
In this embodiment, the simulation control software includes an identifier adding unit, where the identifier adding unit is configured to add, in an encapsulated network data packet, an identifier of a real numerical control panel corresponding to a control instruction in the network data packet.
In this embodiment, the real numerical control device is bound with the real numerical control panel in advance; correspondingly, the data platform is also used for inquiring real numerical control equipment bound with the real numerical control panel according to the identification of the real numerical control panel carried in the received network data packet, and sending the network data packet after the unification treatment to the bound real numerical control equipment.
In this embodiment, the data platform includes:
the current-period data packet query unit is used for locally querying the last network data packet sent by the simulation teaching system after receiving the current network data packet sent by the simulation teaching system;
the numerical control equipment matching unit is used for determining at least one target real numerical control equipment matched with the network data packet sent last time in a plurality of real numerical control equipment connected with the data platform;
and the data packet sending unit is used for sending the current network data packet subjected to the unification treatment to one real numerical control device in the at least one target real numerical control device.
In this embodiment, the numerical control device matching unit includes:
and detecting a network data packet currently received by each real numerical control device in the plurality of real numerical control devices, and taking the real numerical control device as the target real numerical control device if the network data packet currently received by the real numerical control device is the same as the network data packet sent last time.
Specifically, the control commands issued by the user may be consecutive, and the consecutive control commands need to be operated in the same real numerical control device. Therefore, the network data packets corresponding to the control command issued by the same user can have the same identifier. After receiving the current network data packet, the last network data packet matched with the current network data packet can be determined, and the matching principle is that the two network data packets have the same identifier. In this way, at least one target real numerical control device matched with the network data packet sent last time can be determined, and the last control instruction received in the target real numerical control devices is the same as the control instruction in the network data packet sent last time, so that one real numerical control device can be selected from the target real numerical control devices to continue processing the current control instruction.
In this embodiment, after responding to the control instruction, the real numerical control device is further configured to send response information to the data platform;
correspondingly, the data platform is further used for feeding the response information back to the simulation teaching system so as to display the response information through simulation control software in the simulation teaching system.
In this embodiment, the data platform is further configured to:
matching the current idle numerical control equipment according to a control instruction in a received network data packet, and if the idle numerical control equipment is not matched and a target numerical control equipment capable of executing the control instruction is determined, enabling the control instruction to enter a waiting queue of the target numerical control equipment and determining the waiting duration of the waiting queue in real time; meanwhile, the optimal target numerical control equipment can be allocated to the control instruction according to the waiting time of different target numerical control equipment.
Wherein, determining the waiting duration of the waiting queue in real time comprises:
the data platform determines the number m of received operation instructions pointing to the target numerical control equipment, the number n of currently completed instructions of the target numerical control equipment and the number p of currently in-process instructions of the target numerical control equipment; wherein, the time consumption of each completed instruction is t1 and t2 … … tn, respectively, the time consumption of each in-progress instruction is P1 and P2 … … Pp, respectively, and then the queue length of the wait queue is: r-m-n-p;
the initial waiting time period Th0 is determined as:
then, starting with the initial waiting time length, every time when an instruction is executed, the data platform adds one to the number n of completed instructions, and calculates the waiting time length Thj after the instruction is executed according to the waiting time length Th (j-1) determined last time:
In the embodiment of the invention, if the quality quantity of the simultaneous operation of the target numerical control equipment is fixed, namely the p value is fixed, the waiting time after the instruction is executed is calculated according to the waiting time determined last time in the formula, so that the calculation amount of the waiting time can be reduced, and the waiting time can be updated quickly.
Meanwhile, after a preset time period, m and n are determined again, the initial waiting time length Th0 is determined again, and then the waiting time length Thj after the instruction is executed is calculated according to the waiting time length Th (j-1) determined last time until the control instruction is executed by the target numerical control device. Thj can be corrected by newly determining the initial waiting time Th0, and thus Thj error is prevented from being too large.
Referring to fig. 2, the present application further provides a virtual-real combined numerical control device cascading method, where the cascading method includes:
s1: receiving a control instruction applied by a user through a real numerical control panel in a simulation teaching system, and sending the control instruction to simulation control software which is in the simulation teaching system and is connected with the real numerical control panel;
s2: packaging the control instruction into a network data packet by using the simulation control software, and sending the network data packet to a data platform through a communication module;
s3: the data platform performs unification processing on the received network data packets to obtain network data packets with the same format, and sends the network data packets with the same format to a real numerical control device; the unification processing comprises at least one of data type unification processing, control method unification processing, coding mode unification processing, instruction set unification processing and input and output mode unification processing;
s4: and the real numerical control equipment extracts a corresponding control instruction from the network data packet with the same format and responds to the control instruction.
In this embodiment, after sending the network data packet to a data platform through a communication module, the method further includes:
respectively sending detection data packets to a plurality of real numerical control devices connected with the data platform, and taking the real numerical control devices which feed back response data packets aiming at the detection data packets as available numerical control devices;
and selecting a target numerical control device from the available numerical control devices, and sending the network data packet subjected to the unification processing to the target numerical control device.
In this embodiment, the cascade method further includes:
after receiving the current network data packet sent by the simulation teaching system, the data platform locally queries the last network data packet sent by the simulation teaching system;
determining at least one target real numerical control device matched with the network data packet sent last time in a plurality of real numerical control devices connected with the data platform;
and sending the current network data packet subjected to the unification treatment to one real numerical control device in the at least one target real numerical control device.
It can be seen from the above that, in this application, real machine tool control panel is connected with emulation control software, forms emulation numerical control equipment, with emulation numerical control equipment connecting network, forms virtuality and reality combination emulation teaching system, and the data of many virtuality and reality combination emulation teaching system can be passed to data platform, and data platform combines each virtuality and reality combination emulation teaching system to connect the real numerical control equipment of different models according to data analysis, and then operates real factory numerical control equipment through data platform. The students can learn by using the numerical control equipment of the virtual-real combined simulation teaching system, and can operate the control system of the real factory numerical control equipment to achieve the purpose of mastering the operation method of the factory equipment.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (8)
1. The utility model provides a virtual reality combines numerical control equipment cascade system which characterized in that, the cascade system includes emulation teaching system, data platform and real numerical control equipment, wherein:
the simulation teaching system comprises a real numerical control panel, simulation control software and a communication module, wherein the real numerical control panel is used for receiving a control instruction applied by a user and sending the control instruction to the simulation control software; the simulation control software is used for packaging the control instruction into a network data packet and sending the network data packet to the data platform through the communication module; the network data packet is an internet data packet or an internet of things data packet;
the data platform comprises a unified processing module, wherein the unified processing module is used for receiving each network data packet provided by the simulation teaching system and carrying out unified processing on the network data packets to obtain network data packets with the same format; sending the network data packets with the same format to the real numerical control equipment; the unification processing comprises at least one of data type unification processing, control method unification processing, coding mode unification processing, instruction set unification processing and input and output mode unification processing;
the real numerical control equipment is used for receiving the network data packet which is sent by the data platform and is subjected to the unification treatment, extracting a corresponding control instruction from the network data packet which is subjected to the unification treatment, and responding to the control instruction;
the simulation control software comprises an identification adding unit, and the identification adding unit is used for adding an identification of a real numerical control panel corresponding to a control instruction in a network data packet in the encapsulated network data packet;
the real numerical control equipment is bound with the real numerical control panel in advance; correspondingly, the data platform is also used for inquiring real numerical control equipment bound with the real numerical control panel according to the identification of the real numerical control panel carried in the received network data packet, and sending the network data packet after the unification treatment to the bound real numerical control equipment.
2. The cascade system according to claim 1, wherein the data platform includes a device detection unit therein, and the device detection unit is configured to send detection data packets to a plurality of real numerical control devices connected to the data platform, respectively, and use, as available numerical control devices, real numerical control devices for which response data packets are fed back for the detection data packets;
correspondingly, the data platform is further used for selecting a target numerical control device from the available numerical control devices and sending the network data packet subjected to the unification processing to the target numerical control device.
3. The cascade system of claim 1, wherein the data platform comprises:
the current-period data packet query unit is used for locally querying the last network data packet sent by the simulation teaching system after receiving the current network data packet sent by the simulation teaching system;
the numerical control equipment matching unit is used for determining at least one target real numerical control equipment matched with the network data packet sent last time in a plurality of real numerical control equipment connected with the data platform;
and the data packet sending unit is used for sending the current network data packet subjected to the unification treatment to one real numerical control device in the at least one target real numerical control device.
4. The cascade system of claim 3, wherein the digitally controlled device matching unit comprises:
and detecting a network data packet currently received by each real numerical control device in the plurality of real numerical control devices, and taking the real numerical control device as the target real numerical control device if the network data packet currently received by the real numerical control device is the same as the network data packet sent last time.
5. The cascade system of claim 1, wherein the data platform is further configured to:
matching the current idle numerical control equipment according to a control instruction in a received network data packet, and if the idle numerical control equipment is not matched and a target numerical control equipment capable of executing the control instruction is determined, enabling the control instruction to enter a waiting queue of the target numerical control equipment and determining the waiting duration of the waiting queue in real time;
wherein, determining the waiting duration of the waiting queue in real time comprises:
the data platform determines the number m of received operation instructions pointing to the target numerical control equipment, the number n of currently completed instructions of the target numerical control equipment and the number p of currently in-process instructions of the target numerical control equipment; wherein, the time consumption of each completed instruction is t1 and t2 … … tn, respectively, the time consumption of each in-progress instruction is P1 and P2 … … Pp, respectively, and then the queue length of the wait queue is: r-m-n-p;
the initial waiting time period Th0 is determined as:
then, starting with the initial waiting time length, every time when an instruction is executed, the data platform adds one to the number n of completed instructions, and calculates the waiting time length Thj after the instruction is executed according to the waiting time length Th (j-1) determined last time:
after a preset time period, m and n are determined again, the initial waiting time length Th0 is determined again, and then the waiting time length Thj after the instruction is executed is calculated according to the waiting time length Th (j-1) determined last time until the control instruction is executed by the target numerical control device.
6. A virtual-real combined numerical control equipment cascading method is characterized by comprising the following steps:
receiving a control instruction applied by a user through a real numerical control panel in a simulation teaching system, and sending the control instruction to simulation control software which is in the simulation teaching system and is connected with the real numerical control panel;
packaging the control instruction into a network data packet by using the simulation control software, and sending the network data packet to a data platform through a communication module;
the data platform performs unification processing on the received network data packets to obtain network data packets with the same format, and sends the network data packets with the same format to a real numerical control device; the unification processing comprises at least one of data type unification processing, control method unification processing, coding mode unification processing, instruction set unification processing and input and output mode unification processing;
the real numerical control equipment extracts a corresponding control instruction from the network data packet with the same format and responds to the control instruction;
the simulation control software comprises an identification adding unit, and the identification adding unit is used for adding an identification of a real numerical control panel corresponding to a control instruction in a network data packet in the encapsulated network data packet;
the real numerical control equipment is bound with the real numerical control panel in advance; correspondingly, the data platform is also used for inquiring real numerical control equipment bound with the real numerical control panel according to the identification of the real numerical control panel carried in the received network data packet, and sending the network data packet after the unification treatment to the bound real numerical control equipment.
7. The cascading method of claim 6, wherein after sending the network packet to a data platform via a communication module, the method further comprises:
respectively sending detection data packets to a plurality of real numerical control devices connected with the data platform, and taking the real numerical control devices which feed back response data packets aiming at the detection data packets as available numerical control devices;
and selecting a target numerical control device from the available numerical control devices, and sending the network data packet subjected to the unification processing to the target numerical control device.
8. The cascading method of claim 6, further comprising:
after receiving the current network data packet sent by the simulation teaching system, the data platform locally queries the last network data packet sent by the simulation teaching system;
determining at least one target real numerical control device matched with the network data packet sent last time in a plurality of real numerical control devices connected with the data platform;
and sending the current network data packet subjected to the unification treatment to one real numerical control device in the at least one target real numerical control device.
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