WO2021035635A1 - 设备组构建方法与装置 - Google Patents

设备组构建方法与装置 Download PDF

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Publication number
WO2021035635A1
WO2021035635A1 PCT/CN2019/103402 CN2019103402W WO2021035635A1 WO 2021035635 A1 WO2021035635 A1 WO 2021035635A1 CN 2019103402 W CN2019103402 W CN 2019103402W WO 2021035635 A1 WO2021035635 A1 WO 2021035635A1
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Prior art keywords
request
candidate device
candidate
group
device group
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PCT/CN2019/103402
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English (en)
French (fr)
Inventor
王冬
郁彦彬
李明
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西门子（中国）有限公司
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Application filed by 西门子（中国）有限公司 filed Critical 西门子（中国）有限公司
Priority to PCT/CN2019/103402 priority Critical patent/WO2021035635A1/zh
Priority to CN201980099535.XA priority patent/CN115568287A/zh
Publication of WO2021035635A1 publication Critical patent/WO2021035635A1/zh

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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/28—Databases characterised by their database models, e.g. relational or object models
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication

Definitions

  • This application relates to the field of process control, and in particular to a method and device for constructing an equipment group for a process control system.
  • the life cycle management of equipment aims at determining the sequence of operations at the minimum cost through engineering and economic analysis to achieve the desired state.
  • the operations here can be operations, maintenance, and so on.
  • this application proposes a method and device capable of constructing a production line according to the characteristics of the equipment.
  • this application proposes a method for constructing a device group of structural components, which includes: obtaining a request for constructing a device group, and determining a hierarchical request set based on the constructing request, wherein the hierarchical request set includes a first-tier request and A second-level request; based on the second-level request, determine a candidate device set in a device set, and in a specified order, determine a candidate device group set based on the candidate device set; and based on the first-level request, In the candidate device group set, at least one recommended device group is determined.
  • the construction of the equipment group can be quickly realized, thereby avoiding the idle equipment and reducing the cost of the enterprise.
  • the first-level request is associated with a characteristic parameter of the device group
  • the second-level request is associated with a characteristic parameter of the device. This embodiment specifically defines the relationship between the first and second level requests.
  • the determining the candidate device set in the device set further includes: performing a graph query in the graph library based on the second-level request; based on the result of the graph query, in the device set
  • the candidate device set is determined, wherein the atlas library includes at least a part of the atlases of the equipment set, and at least a part of the atlas in the atlas library is constructed based on the information associated with the characteristic parameters of the equipment.
  • the information associated with the characteristic parameters of the device is constructed and determined based on the received device management information and/or device design information.
  • This embodiment states that the information used to construct the map can come from a physical system independent of the current construction system, such as an equipment management system or an equipment design information database.
  • devices in the candidate device set are selectively linked based on the specified order to determine the candidate device group, wherein the specified order includes at least one of the following items: production of products
  • the order is the reverse order of the production order of the product, the production order of a part of the product, and the reverse order of the production order of a part of the product.
  • This embodiment defines the order in which the candidate device group can be constructed.
  • At least one candidate device subgroup is determined in the candidate device set based on the second level request, wherein the number of devices in the candidate device subgroup is less than the number of devices in the candidate device group
  • the number of devices, the candidate device group set is determined based on the candidate device set and/or the at least one candidate device subgroup, wherein the second level request is also related to the characteristic parameter of the candidate device subgroup Associated.
  • the second-level request may also correspond to the candidate device sub-group, and for some known fixed combinations, it may be used as the sub-group, so that the production line can be constructed more quickly.
  • the method further includes: evaluating at least a part of the candidate device groups in the candidate device group set to determine the at least one recommended device group, and based on the results of one or more of the candidate device groups The evaluation results are used to adjust the evaluation order of subsequent candidate device groups.
  • a device group construction device which includes: an interface module configured to obtain a device group construction request, and determine a hierarchical request set based on the construction request, wherein the hierarchical request set includes the first A level request and a second level request; a matching module configured to determine a candidate device set in a device set based on the second level request; and a group processing module configured to determine a candidate device set based on the candidate device set in a specified order A device group set, and based on the first-level request, determine at least one recommended device group in the candidate device group set.
  • Another aspect of the present application also proposes a computer storage medium on which computer executable instructions are stored, and when the executable instructions are executed, the aforementioned method is executed.
  • Another aspect of the present application also proposes a computer device, which includes a memory and a processor, and computer executable instructions are stored on the memory.
  • the processor is caused to execute the aforementioned method.
  • Another aspect of this application also proposes a computer program product, which is tangibly stored on a computer-readable medium and includes computer-executable instructions that, when executed, cause at least one processing The device executes the aforementioned method.
  • the construction device is independent of the existing equipment management system/tool, and therefore, there is no data write-back.
  • the query speed can be improved and the consistency of the data can be ensured.
  • FIG. 1 is a flowchart of a method for constructing a device group according to an embodiment of the present application
  • Figure 2a is a schematic diagram of a device group construction system according to an embodiment of the present application.
  • Figure 2B is a schematic diagram of a device map according to an embodiment of the present application.
  • Figure 2C is a schematic diagram of a device query according to an embodiment of the present application.
  • Fig. 3 is a schematic diagram of matching according to an embodiment of the present application.
  • Fig. 4 is a structural diagram of an apparatus for constructing a device group according to an embodiment of the present application.
  • Equipment group refers to the combination of equipment, which can realize the process of product manufacturing (for example, production line), or realize a certain function (for example, large-scale combined machinery).
  • the number of devices in the “device subgroup” is less than the number of devices in the “device group”.
  • Graphic query refers to querying based on device maps in a database (for example, a map library), which also means that the database includes multiple device maps.
  • idle equipment often includes standard equipment and non-standard equipment. Relying on the existing technology, there are also many difficulties in combining these equipment into a production line. Therefore, the reuse of idle equipment is not only conducive to improving the economic efficiency of the enterprise, but also more convenient for saving resources.
  • this application proposes a method and system for equipment reuse and performance evaluation that can realize rapid production line design.
  • Simulation software for example, Siemens’ Tecnomatix factory simulation software
  • Siemens’ Tecnomatix factory simulation software can be used to verify and evaluate specified equipment, which is more accurate than just comparing performance differences between equipment.
  • Fig. 1 is a flowchart of a method for constructing a device group according to an embodiment of the present application.
  • Step S101 Obtain a request for constructing a device group.
  • the construction request for the device group is obtained, and based on the construction request, it is obtained as a hierarchical request set, where the hierarchical request set includes a first-tier request and a second-tier request, and the first-tier request can represent the device group level
  • the requirements corresponding to the characteristic parameters of the equipment group for example, cost, energy consumption, etc.
  • the second-level request can characterize the process requirements of a single device in the equipment group, corresponding to the characteristic parameters of the individual equipment (for example, process type, process accuracy, etc.) Wait).
  • the characteristic parameters of each level can be defined by the user according to the specific application.
  • the second-level request may also characterize the requirements of the device sub-group level, and is associated with the characteristic parameters of the device sub-group.
  • the device sub-group includes at least two devices, and the device sub-group The number of devices in is less than the number of devices in the device group. It is understandable that the construction request can be extracted into at least one level according to the needs of the user, the number of devices, and other applicable standards. It is understandable that the device subgroup can be a predefined device combination.
  • equipment group can be used to process products, such as manufacturing, dismantling, cutting, and so on.
  • Step S102 Based on the construction request, a candidate device set corresponding to the second-level request is determined.
  • the candidate device set corresponding to the second-level request can be selected from the device pool according to the characteristic parameters corresponding to the second-level request, where the candidate device set includes multiple candidate devices. For example, according to the second-level request, a set of candidate equipment with the corresponding process type or process accuracy can be selected.
  • At least one candidate device sub-group can be selected from the above-mentioned candidate device set according to the feature parameter of the device sub-group corresponding to the second-level request. It is understandable that the candidate device subgroup may be a preset device combination.
  • Step S103 Based on the determined candidate devices, a candidate device group set is generated.
  • some candidate devices can be selected from the determined candidate devices to generate a candidate device group set according to a specified sequence.
  • the first process corresponds to candidate equipment A1-A2
  • the second process corresponds to equipment B1, B2
  • the Nth process corresponds to N1, N2. Therefore, based on the process sequence, 2 N candidate device groups can be generated.
  • the order specified above can be adjusted according to the needs of users.
  • the production sequence of a product the reverse sequence of the production sequence of a product, the production sequence of a part of the product, and the reverse sequence of the production sequence of a part of the product.
  • the reverse order of the product’s production sequence is the reverse order of the product’s production sequence;
  • the production sequence of a part of the product refers to the production sequence of a part of the components or a part of the structure in the product;
  • the reverse order of the production sequence of a part of the product refers to the The production order of part of the components or part of the structure in the product is reversed.
  • the equipment group when the equipment group is constructed in the reverse order of the production order of the products, the equipment group may be used to disassemble the products.
  • Other sequences can also be used according to the processing sequence of the product (for example, manufacturing, dismantling, cutting, etc.), which will not be repeated here.
  • Step S104 Based on the first-level request, evaluate the candidate device group set to determine at least one recommended device group.
  • one or more recommended device groups can be determined. For example, a predetermined data format may be used to encode each candidate device group, and then the designated software may perform an evaluation on each candidate device group according to the first-level request, and determine a recommended device group based on the evaluation result. It is understandable that multiple recommended device groups may have the same evaluation result. Therefore, this step may also determine multiple recommended device groups.
  • the 2 N candidate device groups generated in the previous step may be evaluated one by one to determine one or more recommended device groups.
  • the 2 N candidate device groups may also be sorted according to specified M rules to generate M evaluation groups, and each evaluation group includes 2 N device groups. It is understandable that these rules can be associated with the aforementioned second-level request. Then, at least a part of the evaluation groups are evaluated at the same time, and the evaluation order of the equipment groups is adjusted according to the evaluation results, so as to determine the recommended equipment groups that meet the requirements (for example, the highest accuracy).
  • the user can obtain one or more recommended device groups, and then determine the final device group to be used based on the recommended device groups.
  • the recommended equipment group is generated based on the characteristic parameters of the equipment (and/or the equipment subgroup) and the characteristic parameters of the equipment group, which can objectively reflect the actual performance of the equipment group.
  • Figure 2a is a schematic diagram of a device group construction system according to an embodiment of the present application.
  • the device group construction system 100 includes an interface module 101, a graph module 102, a matching module 103, a group processing module 104, and a simulation control module 105. These modules are explained one by one below.
  • the interface module 101 provides an application programming interface between the device group construction system 100 and users or other systems. It can be used to transmit received data, and can also preprocess the received data, such as converting data formats. , Extract the build request by level. For example, after the interface module 101 receives the construction request RQ, it extracts the request RQ into the first and second level requests.
  • the map module 102 obtains data from different data sources from the interface module 101, and links these data based on specified rules to generate a searchable map (for example, a device map).
  • the matching module 103 sends a search request to the graph module 102 based on the extracted construction request (for example, a second-level request) to perform a graph query in the graph library, and receives the search result returned by the graph module 102, wherein the search
  • the result includes a set of candidate devices corresponding to the second-level request.
  • the candidate devices are provided to the group processing module 104.
  • the group processing module 104 Based on a specified sequence (for example, a process sequence), the group processing module 104 selectively associates at least a part of the candidate devices to generate a candidate device group set, wherein the candidate device group set includes at least one candidate device group .
  • the simulation control module 105 is used to convert and prepare relevant data of the candidate device group, and send the candidate device group selected by the group processing module 104 to the simulator 300 for evaluation. After the simulator 300 generates the evaluation result, it provides the evaluation result to the group processing module 104 to adjust the subsequent evaluation sequence, and determines at least one recommended device group, and then transmits the determined recommended device group DG through the interface module 101.
  • the interface module 101 in the device group construction system 100 is communicatively coupled to the data source 200 to obtain information associated with the device.
  • the data source 200 may include: a device management system 210 and a device design information database 220.
  • the device management system 210 may provide the interface module 101 with device management information related to the name, status, service life, and functional parameters of the device.
  • the device design information library 220 can provide the interface module 101 with the name, design information, graphics, and related design information of the device group. It can be understood that, in other embodiments, the device management system 210 and the device design information database 220 may also provide other device-related information to the interface module 101, and the data source 200 may also include other devices to provide device-related information. Linked information.
  • the interface module 101 After the interface module 101 obtains the information associated with the device, it will preprocess the information to be suitable for processing by the graph module 102.
  • the map module 102 After the map module 102 obtains the information from the data source, it will construct a map of the device based on the specified relationship. In this embodiment, the map of the device is constructed based on the relationship between the data associated with the device.
  • the atlas library may include at least a part of the atlas of the equipment in the equipment set, and at least part of the atlas in the atlas is constructed based on multiple sets of information associated with the equipment, wherein the multiple sets of information are based on the received equipment management information And/or equipment design information.
  • the atlas in the atlas library can be generated by the atlas module 102 based on the received information, or can directly receive device atlases provided by other data sources.
  • the above-mentioned functional modules are only to illustrate the working process of the construction system of the present application, and are not to mechanically limit the functions of each module.
  • the simulation control module 105 may also be integrated in the group processing module 104.
  • Fig. 2B is a schematic diagram of a device map according to an embodiment of the present application.
  • the map of the robotic arm ARM01 is constructed from the following information associated with the characteristic parameters of the device:
  • Status information R which reflects the status of the robot arm ARM01, for example, the status parameter R1 indicates whether the robot arm ARM01 is currently available, and the status parameters R2 and R3 respectively indicate the size of the workpiece that the robot arm ARM01 can handle (200x200x200) and weight.
  • Performance information S which reflects the performance of the robot arm ARM01, for example, the performance parameters S1, S2, S3, and S4 represent the accuracy, precision unit, speed, and speed unit of the robot arm ARM01.
  • Process type information K combined with performance information S, can indicate that the function of the robot arm ARM01 is screwing, and has the performance as indicated by the performance information S.
  • Sub-module information M which reflects that the robotic arm ARM01 includes sub-modules M1 and M2, and the two sub-modules respectively have the functions of repairing FX and supporting SP.
  • Location information P which reflects the location of the robotic arm ARM01, for example, in workshop 2.
  • Type information T which reflects the type of the robot arm ARM01, for example, the robot arm ARM01 can be regarded as a processing unit.
  • the robotic arm ARM01 can be tightened within 30 seconds with an accuracy of 0.2mm, and the size of the workpiece that can be processed is 200x200x200 mm and less than or equal to 5 kg. Therefore, as long as any one of the conditions is met, the robot ARM01 can be queried.
  • the atlas may also include other information associated with the characteristic parameters of the device, such as price, purchase time, number of repairs, and so on.
  • FIG. 2C is a schematic diagram of device query according to an embodiment of the present application.
  • Fig. 3 is a schematic diagram of matching according to an embodiment of the present application.
  • the equipment is a processing unit
  • the equipment can be tightened within 30s, with an accuracy of ⁇ 0.5mm;
  • the equipment can hold a workpiece of 10kg and a width of 250mm;
  • the equipment is in or near workshop 2;
  • the device has a fixed sub-module
  • the device has a supporting sub-module.
  • the content in the box corresponds to the map information of the device
  • the circle corresponds to the matching target of the device.
  • the device to be matched if its location information P can meet the distance constraint, it can be matched to the target C5. If the type information T corresponding to the equipment status information R is a processing unit, it can be matched to the target C1. Similarly, matching targets C2 and C3 can determine whether the performance information of the device to be matched can meet the requirements. The matching targets C61 and C62 can determine whether the submodule information M of the device to be matched meets the requirements.
  • the solver After obtaining multiple devices that meet the requirements of the second level, it is also possible to determine whether the devices match.
  • the physical interface, software interface, or other specified constraints of the device can be used to determine whether the devices match. Through the interface constraints, it can help to effectively reduce the calculation pressure, and the evaluation results can also be used as constraints. After the solver obtains the evaluation result, it can calculate the next candidate device group to be evaluated.
  • Fig. 4 is a structural diagram of an apparatus for constructing a device group according to an embodiment of the present application.
  • the device 400 includes:
  • the interface module 410 is configured to obtain the construction request of the device group and determine the hierarchical request set based on the construction request, where the hierarchical request set includes the first-tier request and the second-tier request;
  • the matching module 420 is configured to determine the candidate device set in the device set based on the second-level request
  • the group processing module 430 is configured to determine the candidate device group set based on the candidate device set in a specified order, and determine at least one recommended device group in the candidate device group set based on the first-level request.
  • the apparatus 400 can execute the device group construction method in FIG. 1.
  • the interface module 410 receives the original construction request, and can obtain the first and second level requests.
  • the matching module 420 receives the second-level request from the interface module 410, and determines a candidate device set that meets the second-level request in a database (for example, a graph library), and the candidate device set includes multiple devices.
  • the group processing module 430 generates a candidate device group set using the obtained candidate device set in a specified order, and determines at least one recommended device group in the candidate device group set based on the first-level request. It can be understood that the candidate device group set includes at least one candidate device group.
  • the flow of the construction method in FIG. 1 also represents computer-readable instructions, and the computer-readable instructions include a program executed by a processor.
  • the program can be embodied in a tangible computer readable medium, such as CD-ROM, floppy disk, hard disk, digital versatile disk (DVD), Blu-ray disk, or other forms of memory.
  • some or all of the steps in the example method in FIG. 1 may use application specific integrated circuits (ASIC), programmable logic devices (PLD), field programmable logic devices (EPLD), discrete logic, hardware, firmware, etc. Any combination is realized.
  • Information can be stored for any time on a readable medium. It is understandable that the computer-readable instructions can also be stored in a network server or on a cloud platform for the convenience of users.
  • This application also proposes a computer device, which includes a processor and a memory.
  • the memory is used to store instructions, and when the instructions are executed, the processor executes the device group construction method in FIG. 1.
  • the processor executes the device group construction method in FIG. 1. For example, when the designation is being executed, the processor is caused to perform the following operations: obtain the construction request of the device group, and determine the hierarchical request set based on the construction request, wherein the hierarchical request set includes the first-tier request and the second-tier request; For the second-level request, determine the candidate device set in the device set; in a specified order, determine the candidate device group set based on the candidate device set; and determine at least one recommended device group in the candidate device set based on the first-level request.
  • Another aspect of the present application also proposes a computer program product, which is tangibly stored on a computer-readable medium and includes computer-executable instructions.
  • the computer-executable instructions When executed, at least one processor Carry out the equipment group construction method in Figure 1.

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Abstract

本申请公开了设备组构建方法与装置。该方法包括：获取设备组的构建请求，并基于构建请求确定层级请求集，其中，层级请求集包括第一层级请求和第二层级请求；基于第二层级请求，在设备集中确定候选设备集；在指定的顺序下，基于候选设备集确定候选设备组集；以及基于第一层级请求，在候选设备组集中，确定至少一个推荐设备组。通过采用本申请的技术方案，可以将数据图谱化，并且进行图谱式查询，不仅可以提升查询的速度，还能够保证数据的一致性。

Description

设备组构建方法与装置 技术领域
本申请涉及过程控制领域，特别涉及一种用于过程控制系统的设备组构建方法与装置。
背景技术
对于拥有重型设备的制造企业，对重型设备进行有效的生命周期管理直接影响制造企业的增长和盈利能力。设备的生命周期管理旨在通过工程和经济分析以最小的成本确定操作序列以实现所需状态，这里的操作可以是运营、维护等。
当制造企业需要生产新产品时，在某些工业领域，譬如电子装配行业，生产设备往往不是标准设备，并且位于不同的车间，因此制造企业往往需要为生产新产品来购买新的设备。
发明内容
针对生产设备容易造成闲置的问题，本申请提出一种能够根据设备的特征来构建产线的方法与装置。
本申请一方面提出了一种结构部件的设备组构建方法，其包括：获取设备组的构建请求，并基于所述构建请求确定层级请求集，其中，所述层级请求集包括第一层级请求和第二层级请求；基于所述第二层级请求，在设备集中确定候选设备集，并且在指定的顺序下，基于所述候选设备集来确定候选设备组集；以及基于所述第一层级请求，在所述候选设备组集中，确定至少一个推荐设备组。通过该构建方法，可以快速实现设备组的构建，进而避免设备闲置，并且降低了企业的成本。
在一种实施方式中，所述第一层级请求与所述设备组的特征参数相关联，所述第二层级请求与所述设备的特征参数相关联。该实施方式具体限定了第一、第二层级请求之间的关系。
在一种实施方式中，所述在设备集中确定候选设备集还包括：基于所述第二层级请求，在图谱库中执行图谱式查询；基于所述图谱式查询的结果，在所述设备集中确定所述候选设备集，其中，所述图谱库包括所述设备集中至少一部分设备的图谱，并且所述图谱库中的至少一部分图谱基于与所述设备的特征参数相关联的信息来构建。该实施方式描述了图谱库如何构建，以及如何快速查询候选设备，而不影响数据一致性。
在一种实施方式中，所述与所述设备的特征参数相关联的信息来构建基于接收到的设备管理信息和/或设备设计信息来确定。该实施方式表述了用来构建图谱的信息可以来自与当前构建系统独立的物理系统，譬如，设备管理系统或是设备设计信息库。
在一种实施方式中，基于所述指定的顺序来选择性链接所述候选设备集中的设备以确定所述候选设备组，其中，所述指定的顺序包括以下项中的至少一个：产品的生产顺序，所述产品的生产顺序的反序，所述产品中一部分的生产顺序，以及所述产品中一部分的生产顺序的反序。该实施方式限定了候选设备组可以根据哪些顺序来进行构建。
在一种实施方式中，基于所述第二层级请求在所述候选设备集中确定至少一个候选设备次级组，其中，所述候选设备次级组中的设备数目小于所述候选设备组中的设备数目，基于所述候选设备集和/或所述至少一个候选设备次级组，确定所述候选设备组集，其中，所述第二层级请求还与所述候选设备次级组的特征参数相关联。该实施方式还提出了第二层级请求还可以对应于候选设备次级组，对于已知的一些固定组合，可以将其作为次级组，如此可以更加快速地构建生产线。
在一种实施方式中，该方法还包括：对所述候选设备组集中的至少一部分候选设备组进行评估，以确定所述至少一个推荐设备组，并且基于一个或多个所述候选设备组的评估结果，来调整后续的候选设备组的评估顺序。通过该实施方式，可以快速地获取最优解，进而确定推荐设备组。
本申请另一方面还提出了设备组的构建装置，其包括：接口模块，配置为获取设备组的构建请求，并基于所述构建请求确定层级请求集，其中，所述层级请求集包括第一层级请求和第二层级请求；匹配模块，配置为基于所述第二层级请求，在设备集中确定候选设备集；以及组处理模块，配置为在指定的顺序下，基于所述候选设备集确定候选设备组集，并且基于所述第一 层级请求，在所述候选设备组集中，确定至少一个推荐设备组。
本申请另一方面还提出了计算机存储介质，该介质上其上存储有计算机可执行指令，当所述可执行指令被执行时，执行前述的方法。
本申请另一方面还提出了计算机装置，其包括存储器与处理器，所述存储器上存储有计算机可执行指令，当所述可执行指令被执行时，使得所述处理器执行前述的方法。
本申请另一方面还提出了计算机程序产品，所述计算机程序产品被有形地存储在计算机可读介质上，并且包括计算机可执行指令，所述计算机可执行指令在被执行时，使至少一个处理器执行前述的方法。
通过采用本申请的技术方案，使得构建装置独立于现有的设备管理系统/工具，因此，没有数据回写。另外，通过将数据图谱化，并且进行图谱式查询，可以提升查询的速度，并且保证数据的一致性。
附图说明
参考附图示出并阐明实施例。这些附图用于阐明基本原理，从而仅仅示出了对于理解基本原理必要的方面。这些附图不是按比例的。在附图中，相同的附图标记表示相似的特征。
图1为依据本申请实施例的设备组构建方法的流程图；
图2a为依据本申请实施例的设备组构建系统的示意图；
图2B为依据本申请实施例的设备图谱示意图；
图2C为依据本申请实施例的设备查询示意图；
图3为依据本申请实施例的匹配示意图；
图4为依据本申请实施例的设备组构建装置的架构图。
具体实施方式
在以下优选的实施例的具体描述中，将参考构成本申请一部分的所附的附图。所附的附图通过示例的方式示出了能够实现本申请的特定的实施例。示例的实施例并不旨在穷尽根据本申请的所有实施例。可以理解，在不偏离本申请的范围的前提下，可以利用其他实施例，也可以进行结构性或者逻辑性的修改。因此，以下的具体描述并非限制性的，且本申请的范围由所附的权利要求所限定。
对于相关领域普通技术人员已知的技术、方法和设备可能不作详细讨论，但在适当情况下，所述技术、方法和设备应当被视为说明书的一部分。
首先，对本申请所涉及到的术语进行阐述。“设备组”是指设备的组合，其可以实现产品制造的过程(譬如，产线)，或者实现某种功能(譬如，大型组合式机械)。“设备次级组”中的设备数目小于“设备组”中的设备数目。“图谱式查询”是指在数据库(譬如，图谱库)中基于设备图谱进行查询，这也意味着数据库包括多个设备图谱。
发明人发现企业中往往存在闲置设备，该些闲置设备中的相当一部分仍然可以正常工作。然而，由于产品的更迭或者是管理者掌握的信息不完整，容易导致该些设备无法继续使用，从而使得企业运营成本上升，也造成了资源浪费。另外，闲置设备往往包括标准设备和非标准设备。依靠现有技术，将该些设备组合成一条产线，也存在很多困难。因此，对闲置设备进行重新利用，不仅有利于提升企业的经济效益，更便于节省资源。
针对上述问题，本申请提出了一种可以实现快速生产线设计的设备重用和性能评估的方法和系统。通过对设备的数据和信息进行建模和链接，从而实现设备间的匹配。通过仿真软件(譬如，西门子公司的Tecnomatix工厂仿真软件)可以用来对指定的设备进行验证和评估，这比仅仅比较设备之间的性能差异要更加地准确。通过设置灵活的仿真模板，可以减小实际匹配和仿真之间的数据差距。
图1为依据本申请实施例的设备组构建方法的流程图。
步骤S101：获取设备组的构建请求。
在该步骤中，获取对于设备组的构建请求，并基于该构建请求获得为层级请求集，其中，该层级请求集包括第一层级请求和第二层级请求，第一层级请求可以表征设备组级别的需求，对应于设备组的特征参数(譬如，成本、能耗等)；第二层级请求可以表征设备组中单个设备的工艺需求，对应于设备个体的特征参数(譬如，工艺类型、工艺精度等)。可以理解的，在不同的实施例中，每个层级的特征参数可以由用户根据具体应用自行定义。
在其他实施例中，第二层级请求还可以表征设备次级组级别的需求，与设备次级组的特征参数相关联，该设备次级组包括至少两个设备，并且，设备次级组中的设备数目小于设备组中的设备数目。可以理解的，构建请求可以根据用户的需求、设备的数目以及其他适用的标准来提取为至少一个层 级。可以理解的，设备次级组可以是预定义的设备组合。
可以理解的，设备组、设备次级组以及设备可以是用来对产品进行加工，譬如，制造、拆解、切割等。
步骤S102：基于构建请求，确定与第二层级请求对应的候选设备集。
在该步骤中，可以根据第二层级请求所对应的特征参数来从设备池中选出与第二层级请求对应的候选设备集，其中，候选设备集包括多个候选设备。譬如，根据第二层级请求，可以选择具有相应的工艺类型或工艺精度的候选设备集。
在具有设备次级组的实施例中，还可以根据第二层级请求所对应的设备次级组特征参数，从上述的候选设备集中选出至少一个候选设备次级组。可以理解的，候选设备次级组可以是预设的设备组合。
步骤S103：基于所确定的候选设备，生成候选设备组集。
在该步骤中，可以根据指定的顺序，从所确定的候选设备中选出部分候选设备来生成候选设备组集。
以指定的顺序是工艺顺序为例，第一工艺对应于候选设备A1-A2，第二工艺对应于设备B1、B2，第N工艺对应于N1、N2。因此，基于工艺顺序，可以生成2 N个候选设备组。
可以理解的，上述指定的顺序可以根据用户的需求来调整。譬如，产品的生产顺序，产品的生产顺序的反序，产品中一部分的生产顺序，以及产品中一部分的生产顺序的反序。产品的生产顺序的反序是与产品的生产顺序相反的顺序；产品中一部分的生产顺序是指产品中一部分元件或者一部分结构的生产顺序；产品中一部分的生产顺序的反序则是指与该产品中一部分元件或者一部分结构的生产顺序相反的顺序。
在一种实施方式中，当以产品的生产顺序的反序来构建设备组时，该设备组可以是用来拆解产品。其它顺序也可以根据产品的加工顺序(譬如，制造、拆解、切割等)来进行使用，在此不再赘述。
步骤S104：基于第一层级请求，评估候选设备组集，以确定至少一个推荐设备组。
在该步骤中，通过确定每个候选设备组的特征参数，可以确定一个或多个推荐设备组。例如，可以使用预定的数据格式，来对每个候选设备组进行编码，然后由指定的软件根据第一层级请求来对每个候选设备组执行评估， 并根据评估结果来确定一个推荐设备组。可以理解的，多个推荐设备组可能存在同样的评估结果，因此，该步骤也可以确定多个推荐设备组。
在一种实施方式中，可以逐个对前一步骤所生成的2 N个候选设备组进行评估，以确定一个或多个推荐设备组。
在另一种实施方式中，也可以将该2 N个候选设备组以指定的M个规则来排序，以生成M个评估组，每个评估组包含2 N个设备组。可以理解的，该些规则可以与前述的第二层级请求相关联。然后，同时对至少一部分评估组进行评估，根据该评估结果，来调整该些设备组的评估顺序，进而确定符合需求(譬如，最高精度)的推荐设备组。
通过执行步骤S101-S104，用户可以获得一个或多个推荐设备组，进而基于该些推荐设备组，确定最终使用的设备组。由上可知，推荐设备组是基于设备(和/或设备次级组)的特征参数以及设备组特征参数来生成，能够客观反映设备组的实际性能。
图2a为依据本申请实施例的设备组构建系统的示意图。
如图所示，设备组构建系统100包括接口模块101、图谱模块102、匹配模块103、组处理模块104以及仿真控制模块105。下面逐一对该些模块进行阐述。
接口模块101提供了设备组构建系统100与用户或是其它系统之间的应用程序编程接口，可以用来传送所接收到的数据，还可以对接收到的数据进行预处理，譬如，转换数据格式、按层级提取构建请求。譬如接口模块101接收到构建请求RQ后，将该请求RQ提取为第一、第二层级请求。图谱模块102从接口模块101获取来自不同数据源的数据，并基于指定的规则将该些数据链接起来，从而生成可检索的图谱(譬如，设备图谱)。匹配模块103基于提取后的构建请求(譬如，第二层级请求)向图谱模块102发送检索请求，以在图谱库中执行图谱式查询，并且接收图谱模块102所返回的检索结果，其中，该检索结果包括与第二层级请求相对应的候选设备集。
匹配模块103获取候选设备集后，将该些候选设备提供至组处理模块104。基于指定的顺序(譬如，工艺顺序)，组处理模块104选择性地将该些候选设备中的至少一部分相关联，以生成候选设备组集，其中，该候选设备组集包括至少一个候选设备组。仿真控制模块105用于转换并准备候选设备组的相关数据，并且将由组处理模块104选择的候选设备组发送到仿真器 300，以进行评估。仿真器300生成评估结果后，将该评估结果提供到组处理模块104以对后续的评估顺序进行调整，并且确定至少一个推荐设备组，进而通过接口模块101传送所确定的推荐设备组DG。
下面结合图2A，对设备组构建系统100的工作流程进行阐述。
如图所示，设备组构建系统100中的接口模块101通信耦合至数据源200，以获取与设备相关联的信息。具体而言，数据源200可以包括：设备管理系统210和设备设计信息库220，其中，设备管理系统210可以向接口模块101提供设备的名称、状态、使用年限、功能参数等相关的设备管理信息，设备设计信息库220可以向接口模块101提供设备的名称、设计信息、图形以及设备组的相关设计信息。可以理解的，在其它实施方式中，设备管理系统210、设备设计信息库220还可以向接口模块101提供其它与设备相关联的信息，并且数据源200还可以包括其它设备，以提供与设备相关联的信息。
接口模块101获取与设备相关联的信息后，将对该信息进行预处理，以适于图谱模块102进行处理。图谱模块102获取来自数据源的信息后，将基于指定的关系来构建设备的图谱。在本实施例中，设备的图谱是基于与设备相关联的数据之间的关系来进行构建。
可以理解的，图谱库可以包括设备集中至少一部分设备的图谱，并且图谱库中的至少一部分图谱是基于与设备相关联的多组信息而构建，其中，该多组信息基于接收到的设备管理信息和/或设备设计信息来确定。换而言之，图谱库中的图谱可以是由图谱模块102基于所接收到的信息来生成，也可以直接接收其它数据源提供的设备图谱。
可以理解的，上述功能模块仅仅是为了阐述本申请的构建系统的工作流程，并非是机械地限定每个模块的功能。在其它实施方式中，仿真控制模块105也可以集成在组处理模块104中。
图2B为依据本申请实施例的设备图谱示意图。
如图所示，机械手臂ARM01的图谱由以下与设备的特征参数相关联的信息而构建成：
(1)状态信息R，其反映了机械手臂ARM01的状态，譬如，状态参数R1表示机械手臂ARM01当前是否可用，状态参数R2、R3分别表示机械手臂ARM01所能够处理的工件的尺寸(200x200x200)以及重量。
(2)性能信息S，其反映了机械手臂ARM01的性能，譬如，性能参数S1、S2、S3、S4表示机械手臂ARM01的精度、精度单位、速度以及速度单位。
(3)工艺类型信息K，其结合性能信息S可以表示该机械手臂ARM01的功能是旋拧，并且具有如性能信息S表示的性能。
(3)子模块信息M，其反映了机械手臂ARM01包括子模块M1、M2，并且该两个子模块分别具有维修FX和支撑SP的功能。
(4)位置信息P，其反映了机械手臂ARM01所处的位置，譬如，在2号车间里。
(5)类型信息T，其反映了机械手臂ARM01的类型，譬如，可以将机械手臂ARM01视为加工单元。
由以上图谱可知，机械手臂ARM01是位于2号车间里的加工单元，目前处于不可用状态(R1＝0)，它有两个模块M1和M2，并且该两个模块也位于2号车间里。模块M1用于维修，M2用于支撑。机械手臂ARM01可以在30秒内拧紧，精度为0.2mm，可以处理的工件的尺寸是200x200x200毫米和小于等于5千克。因此，只要满足任一个条件，该机械手臂ARM01均可以被查询到。
可以理解的，除了上述5组信息，在其它实施方式中，图谱还可以包括其它与设备的特征参数相关联的信息，譬如，价格、购买时间、维修次数等。
基于上述图谱，可以基于设备的特征(对应于第二层级请求)来在图谱模块中查询适格的设备，图2C为依据本申请实施例的设备查询示意图。
请同时参阅图2B和2C。当用户查询“具有与ARM01相同功能(F)并且位于相同车间的机械臂”时，对于传统的表查询，往往需要执行链接操作以从经由外部键(key)连接的不同表中获取数据，这往往会导致较低的查询性能。发明人还发现，将数据保存在不同的表中以减少使用外部键的次数，可以更快地查询数据，然而，这会导致数据一致性难以保证。在本申请中，通过基于与设备相关联的数据构建图谱，这不仅可以保证数据的一致性，并且具有较快的查询速度。
当基于图谱进行查询时，通过查询“具有与ARM01相同功能并且位于相同车间的机械臂”时，可以查询到有三个设备的性能信息S01-S03以及相应的状态信息R01-R03，进而确定具有与ARM01相同功能并且位于相同车 间的机械臂ARM02以及ARM03。
本实施例中，在第二层级上对多个设备进行匹配，以获取符合第二层级需求的设备。图3为依据本申请实施例的匹配示意图。
首先给出以下匹配目标：
-C1：设备是加工单元；
-C2：设备能够在30s内拧紧，精度<0.5mm；
-C3：设备使用A型胶作为间接材料；
-C4：设备能够夹持10kg、宽250mm的工件；
-C5：设备在2号车间内或附近；
-C61：设备具有固定子模块；
-C62：设备具有支撑子模块。
如图3所示，方框中内容对应于设备的图谱信息，圆圈对应于设备的匹配目标。
同时参阅图2a能够更加容易理解。对于待匹配的设备，若其位置信息P能够满足距离上约束，则能够匹配到目标C5。设备状态信息R所对应的类型信息T如果是加工单元，则能够匹配到目标C1。类似地，匹配目标C2以及C3则可以确定该待匹配的设备的性能信息能否满足需求。匹配目标C61、C62则是可以确定该待匹配的设备的子模块信息M是否满足需求。
可以理解的，当获取符合第二层级需求的多个设备后，还可以判断设备之间是否匹配。譬如，通过设备的物理接口、软件接口或者其他指定的约束，来判断设备之间是否匹配。通过接口约束，可以帮助有效地减少计算压力，并且评估结果也可以作为约束。当求解器获取该评估结果后，可以计算下一个要评估的候选设备组。
通过执行上述方法，可以帮助用户充分利用其原有设备，节省不必要的投资，并且评估构建具有指定目标的设备组的可行性和性能，还可以利用现有的设计加快新设备组的设计速度。
图4为依据本申请实施例的设备组构建装置的架构图。
装置400包括：
a)接口模块410，配置为获取设备组的构建请求，并基于构建请求确定层级请求集，其中，层级请求集包括第一层级请求和第二层级请求；
b)匹配模块420，配置为基于第二层级请求，在设备集中确定候选设备集；
c)组处理模块430，配置为在指定的顺序下，基于候选设备集来确定候选设备组集，并且基于第一层级请求，在候选设备组集中，确定至少一个推荐设备组。
装置400可以执行图1中的设备组构建方法。譬如，接口模块410接收到原始的构建请求，可以获取第一、第二层级请求。匹配模块420接收来自接口模块410的第二层级请求，在数据库(譬如，图谱库)中确定满足第二层级请求的候选设备集，该候选设备集包括多个设备。组处理模块430在指定的顺序下利用所获得的候选设备集生成候选设备组集，并且基于第一层级请求在候选设备组集中确定至少一个推荐设备组。可以理解的，候选设备组集包括至少一个候选设备组。
图1中的构建方法的流程还代表计算机可读指令，该计算机可读指令包括由处理器执行的程序。该程序可被实体化在被存储于有形计算机可读介质中，该有形计算机可读介质如CD-ROM、软盘、硬盘、数字通用光盘(DVD)、蓝光光盘或其它形式的存储器。替代的，图1中的示例方法中的一些步骤或所有步骤可利用专用集成电路(ASIC)、可编程逻辑器件(PLD)、现场可编程逻辑器件(EPLD)、离散逻辑、硬件、固件等的任意组合被实现。在可读介质上信息可以存储任意时间。可以理解的，该计算机可读指令还可以存储在网络服务器中、云端平台上，以便于用户使用。
本申请还提出了一种计算机装置，该计算机装置包括处理器以及存储器。该存储器用于存储指令，当指令在执行时使得处理器执行图1中的设备组构建方法。譬如，当该指定在执行时，使得处理器执行以下操作：获取设备组的构建请求，并基于构建请求确定层级请求集，其中，层级请求集包括第一层级请求和第二层级请求；基于第二层级请求，在设备集中确定候选设备集；在指定的顺序下，基于候选设备集确定候选设备组集；以及基于第一层级请求，在候选设备组集中，确定至少一个推荐设备组。
本申请另一方面还提出了计算机程序产品，该计算机程序产品被有形地存储在计算机可读介质上，并且包括计算机可执行指令，当该计算机可执行指令在被执行时，使至少一个处理器执行图1中的设备组构建方法。
上文通过附图和优选实施例对本申请进行了详细展示和说明，然而本申 请不限于这些已揭示的实施例，本领域技术人员从中推导出来的其他方案也在本申请的保护范围之内。

Claims (17)

  1. 设备组构建方法，其特征在于，包括：
    获取设备组的构建请求，并基于所述构建请求确定层级请求集，其中，所述层级请求集包括第一层级请求和第二层级请求；
    基于所述第二层级请求，在设备集中确定候选设备集，并且在指定的顺序下，基于所述候选设备集来确定候选设备组集；以及
    基于所述第一层级请求，在所述候选设备组集中，确定至少一个推荐设备组。
  2. 如权利要求1所述的构建方法，其特征在于，
    所述第一层级请求与所述设备组的特征参数相关联，所述第二层级请求与所述设备的特征参数相关联。
  3. 如权利要求2所述的构建方法，其特征在于，所述在设备集中确定候选设备集还包括：
    基于所述第二层级请求，在图谱库中执行图谱式查询；
    基于所述图谱式查询的结果，在所述设备集中确定所述候选设备集，
    其中，所述图谱库包括所述设备集的至少一部分设备的图谱，并且所述图谱库中的至少一部分图谱基于与所述设备的特征参数相关联的信息来构建。
  4. 如权利要求3所述的构建方法，其特征在于，所述与所述设备的特征参数相关联的信息基于接收到的设备管理信息和/或设备设计信息来确定。
  5. 如权利要求3所述的构建方法，其特征在于，还包括：
    基于所述第二层级请求在所述候选设备集中确定至少一个候选设备次级组，其中，所述候选设备次级组中的设备数目小于所述候选设备组中的设备数目，
    基于所述候选设备集和/或所述至少一个候选设备次级组，确定所述候选设备组集，
    其中，所述第二层级请求还与所述候选设备次级组的特征参数相关联。
  6. 如权利要求1所述的构建方法，其特征在于，基于所述指定的顺序来选择性地链接所述候选设备集中的设备以确定所述候选设备组集，
    其中，所述指定的顺序包括以下项中的至少一个：
    产品的生产顺序，
    所述产品的生产顺序的反序，
    所述产品中一部分的生产顺序，以及
    所述产品中一部分的生产顺序的反序。
  7. 如权利要求1所述的构建方法，其特征在于，确定至少一个推荐设备组的步骤还包括：
    对所述候选设备组集中的至少一部分候选设备组进行评估，并且
    基于至少一个所述候选设备组的评估结果，来调整后续的候选设备组的评估顺序。
  8. 设备组构建装置，其特征在于，包括：
    接口模块，配置为获取设备组的构建请求，并基于所述构建请求确定层级请求集，其中，所述层级请求集包括第一层级请求和第二层级请求；
    匹配模块，配置为基于所述第二层级请求，在设备集中确定候选设备集；以及
    组处理模块，配置为在指定的顺序下，基于所述候选设备集来确定候选设备组集，并且基于所述第一层级请求，在所述候选设备组集中，确定至少一个推荐设备组。
  9. 如权利要求8所述的构建装置，其特征在于，
    所述第一层级请求与所述设备组的特征参数相关联，所述第二层级请求与所述设备的特征参数相关联。
  10. 如权利要求9所述的构建装置，其特征在于，还包括：
    图谱模块，其配置为基于所述第二层级请求，在图谱库中执行图谱式查询，并将查询结果提供至所述匹配模块，进而使得所述匹配模块基于所述查 询结果在所述设备集中确定所述候选设备集，
    其中，所述图谱库包括所述设备集中至少一部分设备的图谱，并且所述图谱库中的至少一部分图谱是基于与所述设备的特征参数相关联的信息来构建。
  11. 如权利要求10所述的构建装置，其特征在于，所述与所述设备的特征参数相关联的信息基于经由所述接口模块接收的设备管理信息和/或设备设计信息来确定。
  12. 如权利要求10所述的构建装置，其特征在于，所述匹配模块还配置为：
    基于所述第二层级请求在所述候选设备集中确定至少一个候选设备次级组，其中，所述候选设备次级组中的设备数目小于所述候选设备组中的设备数目，
    基于所述候选设备集和/或所述至少一个候选设备次级组，确定所述候选设备组集，
    其中，所述第二层级请求还与所述候选设备次级组的特征参数相关联。
  13. 如权利要求8所述的构建装置，其特征在于，所述组处理模块还配置为：
    基于所述指定的顺序来选择性地链接所述候选设备集中的设备以确定所述候选设备组，其中，所述指定的顺序包括以下项中的至少一个：
    产品的生产顺序，
    所述产品的生产顺序的反序，
    所述产品中一部分的生产顺序，以及
    所述产品中一部分的生产顺序的反序。
  14. 如权利要求8所述的构建装置，其特征在于，所述组处理模块还配置为：
    对所述候选设备组集中的至少一部分候选设备组进行评估，并且
    基于一个或多个所述候选设备组的评估结果，来调整后续的候选设备组的评估顺序。
  15. 计算机存储介质，其上存储有计算机可执行指令，当所述可执行指令被执行时，执行如权利要求1至7中任一项所述的方法。
  16. 计算机装置，包括存储器与处理器，所述存储器上存储有计算机可执行指令，当所述可执行指令被执行时，使得所述处理器执行如权利要求1至7中任一项所述的方法。
  17. 计算机程序产品，所述计算机程序产品被有形地存储在计算机可读介质上，并且包括计算机可执行指令，所述计算机可执行指令在被执行时，使至少一个处理器执行如权利要求1至7中任一项所述的方法。
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