Automatic configuration method and system for tire material distribution diagram structure, storage medium and software product

Abstract

The invention relates to the technical field of tire structure automatic design, in particular to a tire material distribution diagram structure automatic configuration method and system, a storage medium and a software product. According to the method, efficient configuration and standardized output of tire structure parameters are realized through six steps of pre-selection configuration, dynamic page construction, conditional rule engine, accurate template matching, role-based configuration and intelligent output. The system can automatically analyze the XML file to generate an interactive interface, performs full-field comparison with a template library according to parameters, intelligently recommends a matching template and loads a structure schematic diagram, and finally outputs a UserXml file with a normative name. And when template matching fails, current configuration is supported to be stored for subsequent initialization. According to the method, the tire design efficiency is remarkably improved, human errors are reduced, and good universality and expandability are achieved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of tire structure automatic design, and relates to a tire material distribution graph structure automatic configuration method, system, storage medium and software product. BACKGROUND

[0002] A tire material distribution graph (also referred to as a material profile graph or a hierarchical structure graph) is one of key data carriers connecting tire structure design, finite element analysis and batch production, and contains parameters such as component types, geometric sizes, material grades and molding processes, which are often as many as hundreds. The current automation level in the industry mainly reflects geometric-grid conversion or parameter optimization, and there is insufficient attention to parameter entry and template reuse of the material distribution graph itself, so that engineers still need to manually search, compare, fill and check between multiple heterogeneous files (XML, Excel and CAD), and the efficiency and quality are subject to human experience.

[0003] Chinese invention patent CN108304632A proposes to first obtain a two-dimensional line graph of a tire axial section, then automatically divide small grids, generate sub-surfaces and establish an FE model, thereby reducing the modeling error rate, but still assumes that the material distribution graph parameters have been correctly prepared, and does not provide a parameter entry or template matching scheme. Chinese invention patents CN107103119B and CN103246792A respectively aim at automatic grid division and preprocessing procedures for the rubber-cord area of a tire section, and compress the grid refinement operation originally taking several hours to several days to several minutes to several hours, but still rely on the manual configuration of the material distribution graph by a design engineer in advance.

[0004] Chinese invention patent CN109800461A uses a genetic algorithm to automatically optimize between a large number of profile parameter schemes, and dynamically generates a material distribution graph and an FE model in the iteration process to realize tire lightweight. However, the "material distribution graph generation" step is automatically written by the program, and does not solve the flexible parameter configuration and reuse problem required by "template library ↔ human-computer interaction" under the design caliber; and after the optimization is completed, the XML / Excel file still needs to be manually arranged for the process department to call.

[0005] Chinese invention patent CN110083881A uses VBA to call CAD, and realizes "one-key drawing" of a tread mouth plate by preinstalling a tread parameter formula in Excel. This scheme is limited to the tread tooling, the parameter template only covers a small number of fields, cannot support the material-geometric joint configuration of all components (crown, carcass, sidewall, etc.) of the whole tire, and also does not have the functions of condition rule control and role-based reuse.

[0006] In summary, the common pain points in the prior art include: 1. Template retrieval is inefficient: most enterprises maintain hundreds to thousands of Excel / XML templates; designers often search by file name or open and compare one by one, and it takes an average of 20-30 minutes to locate the appropriate template. 2. Manual parameter filling is prone to errors: the units of parameters such as component thickness, end position, and material grade are not unified, and there is a lack of boundary check; statistical errors and unit misuse in the document comparison and copy-paste process are common in practice, and subsequent processes or CAE links are interrupted due to field errors. 3. Configuration results cannot be reused: even if only 1-2 local components are replaced in the same product family, manual editing of the entire table / XML is required; historical configurations cannot be directly inherited as "incremental templates". 4. Lack of interactive rule engine: existing tools are mostly scripts or batch processing, lacking a "what you see is what you get" UI; related controls cannot be automatically enabled / disabled, displayed / hidden based on component type and process conditions, and the interactive experience is lagging behind. SUMMARY

[0007] To solve the above technical problems, the technical purpose of the present application is to provide a tire material distribution map structure automatic configuration method, which shortens the template retrieval time to less than 5 minutes, reduces the parameter error rate by more than 90%, and significantly reduces the repeated input steps, thereby improving the efficiency, accuracy, and reusability of tire material distribution map design.

[0008] To achieve the above purpose, the present application adopts the following technical solutions: A tire material distribution map structure automatic configuration method, comprising the following steps: 1) Pre-selection step: receiving the DefaultXml or UserXml file specified by the user through the pre-selection module; 2) Dynamic construction step: parsing the Dialog, Page, RuleSet nodes in the XML file, and generating interactive pages of Common and Additional types based on node information in real time, and automatically loading parameter control groups, material control groups, and object control groups in the pages; 3) Conditional rule execution step: when the page contains an Object node, call the conditional rule engine to match the Rule node with the same name, and dynamically set the visibility or availability of the related controls according to the Option.Case result of the condition judgment; 4) Template matching step: extract the key parameter set input by user in the page, and compare it with the Excel template library in full field. Only when all fields are completely consistent, output the matching template number list and display the structure diagram synchronously; 5) Role configuration step: load the corresponding template XML according to the selected template number, automatically generate the non-reusable SectionAnalysis1 and reusable SectionAnalysis2 pages, and fill in the Role data; 6) Intelligent output step: integrate the user input parameters, template number and role configuration, generate the standardized UserXml file with the naming format Tire_description_template number.xml. When the template matching fails, the preselected module allows to save the current UserXml as the subsequent initialization configuration to avoid repeated input.

[0009] As a preferred, the Common type page layout in step 2) is completely determined by the xml configuration file, and the Additional type page layout is determined in advance.

[0010] As a preferred, the parameter control group in step 2) mainly controls the basic attribute parameters of the tire, the thickness, width and end position parameters of each component, the material control group mainly controls the material parameters of each component of the tire, and the object control group mainly controls the type selection of the tire components.

[0011] As a preferred, the physical quantity unit of the parameter control group is dynamically bound: length unit: mm, angle unit: deg, pressure unit: kPa, and speed unit: km / h.

[0012] As a preferred, the parameter control group can be associated with the parameter schematic diagram, and the user can view it in real time.

[0013] As a preferred, the Additional type page management in step 2) adopts a double list mechanism: a) The left list displays the Additional component names predefined by the XML configuration file; b) The right list stores the component instances added by the user, and only a single instance of the same Additional component is allowed to exist in the right list; c) Configure the parameters of each instance through the dynamically generated sub-dialog box.

[0014] As a preferred, the execution logic of the conditional rule engine in step 3) includes: a) For the Object node of Type = Judge, match the Rule node of the same name, execute the condition judgment according to the Rule. Option order, load the corresponding Judge sub-node content after the matching is successful, and this rule is used to control the parameter state in the FHTC component page; b) For the Object node of Type = Class_TP, match the Rule node of the same name, dynamically set the available state of the associated control according to the RadioOption value in Rule. Option, and this rule is used to control the parameter state of the TP component.

[0015] Preferably, the matching process in step 4) is: a) Extract the key parameters in the general page and the Additional page, including General_FormingProcess, NP_N, TB_Type, FHTM_Type, GP_N, ZB_N parameters; b) Perform full-field accurate comparison with the EXCEL template library; c) Only when the compared parameters are completely consistent, output the matched template number list and associate the visual schematic diagram.

[0016] Preferably, the role configuration module in step 5) is not reusable, and contains section analysis standard measurement items. The SectionAnalysis2 page supports role reuse, which is used for, a) The left list shows the Role name in the template XML, mainly including section analysis additional measurement items; b) The right list allows the same measurement item to be added as an independent instance multiple times; c) Configure the parameters of each instance through the dynamically generated sub-dialog box.

[0017] Further, the application also provides a tire material distribution map structure automatic configuration system, the system comprises: A preselection module is used for receiving the DefaultXml or UserXml file specified by the user, and saving the current UserXml for subsequent initialization when the template matching fails; A dynamic construction module is connected to the preselection module, parses the Dialog, Page, RuleSet nodes in the XML file, generates Common type pages and Additional type pages in real time, and loads parameter control groups, material control groups and object control groups in the pages; The conditional rule engine, coupled with the dynamic building module, matches Rule nodes with the same name when the page contains Object nodes and dynamically sets the visibility or availability of associated controls based on the Option.Case result; The template matching module communicates with the conditional rule engine to extract the set of key parameters input by the user, perform a full-field accurate comparison with the Excel template library, and output a list of matching template numbers and display a structural diagram when all fields are completely consistent. The role configuration module is connected to the template matching module. It loads the template XML according to the selected template number, automatically generates the non-reusable SectionAnalysis1 page and the reusable SectionAnalysis2 page, and populates the Role data. The intelligent output module connects to the role configuration module, integrates user input parameters, template number, and role configuration, and generates a standardized UserXml file named Tire_description_template number.xml.

[0018] Furthermore, the present invention also provides a computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, causes the computer to implement the method described thereon.

[0019] Furthermore, the present invention also provides a computer program product, including a computer program or instructions that, when executed by a processor, implement the method.

[0020] The present invention, by adopting the above-described technical solution, has the following technical effects: 1. Significantly improve template retrieval efficiency: By using pre-selected modules and full-field accurate matching algorithms, the manual operation of engineers traversing hundreds of templates is reduced to a one-time parameter comparison, shortening the average retrieval time from about 30 minutes to less than 5 minutes, improving efficiency by about 6 times.

[0021] 2. Significantly reduce parameter input error rate: Parameter control groups are uniformly bound to physical quantity units and have out-of-bounds checks; the condition rule engine enables / disables controls in real time according to component type to prevent illegal combinations; the overall error rate is reduced by more than 90%, significantly reducing subsequent CAE or process interruptions caused by data inconsistency.

[0022] 3. Improve the reusability of configuration results: Historical UserXml can be directly called as an initialization file; the SectionAnalysis2 page supports the reuse of measurement item roles; the number of repeated user data entry steps is reduced by about 70%, and the iteration cycle of the same series of products is significantly shortened.

[0023] 4. Ensure data integrity and traceability: The intelligent output module generates standardized UserXml according to the "specification_product name_template number" specification, and the file structure corresponds to the template number one by one; the generation process leaves traces throughout the whole process, and the design source can be quickly traced back.

[0024] 5. Enhance human-computer interaction friendliness and scalability: XML-driven dynamic page generation mechanism makes the interface automatically adapt to the expansion of the template library; double list mechanism and schematic diagram linkage improve the intuitiveness and accuracy of complex component configuration.

[0025] In summary, the present application realizes the closed-loop cooperation of the six modules of preselection, dynamic construction, rule engine, template matching, role configuration and intelligent output, fully covers the "parameter collection→verification→matching→output" process, forms a one-key automatic configuration scheme, provides high-quality and reusable data interface for the tire structure design-simulation analysis-production process chain, and significantly improves the digital level of enterprise research and development. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a system flowchart showing the complete closed loop of data from input to output.

[0027] Figure 2 It is a preselection dialog box page, selecting DefaultXml or UserXml to initialize the dialog box.

[0028] Figure 3 It is a system general page, and the full layout is controlled by an XML configuration file.

[0029] Figure 4 It is an Additional page, dynamically adding a non-fixed number of components.

[0030] Figure 5 It is a Search page, performing multi-condition retrieval of the template library.

[0031] Figure 6 It is a SectionAnalysis1 page, showing the role parameters after XML template analysis.

[0032] Figure 7 It is a SectionAnalysis2 page, showing the role parameters after XML template analysis.

[0033] Figure 8 It is a SavePage page, configuring the output path and generating UserXML. DETAILED DESCRIPTION

[0034] With reference to the embodiments of the present application, the technical solutions in the embodiments will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work are within the protection scope of the present application.

[0035] I. Overall architecture of the system (see FIG. 1) The tire material distribution map structure automatic configuration system of the present application adopts a B / S architecture and is composed of a front-end human-computer interaction layer, a back-end business logic layer and a data storage layer.

[0036] The front-end human-computer interaction layer runs in the design engineer workstation browser and communicates with the back-end in real time through WebSocket. The back-end business logic layer is deployed on the server, and the core is six functional modules (pre-selection, dynamic construction, condition rule, template matching, role configuration and intelligent output). Each module is realized by an executable program or a microservice. The data storage layer includes an XML configuration library, an Excel template library and a user historical configuration library, which can be stored in the same relational database or distributed file system.

[0037] II. Implementation of each functional module 1. Pre-selection module (FIG. 2) The file selection control is provided to allow the user to load DefaultXml (first configuration) or UserXml (last incomplete configuration).

[0038] Built-in failure rollback logic: if the subsequent template matching is not successful, a pop-up window is automatically prompted to save the current UserXml for use in the next round of initialization.

[0039] 2. Dynamic construction module (FIG. 3, FIG. 4) The Dialog, Page and RuleSet nodes in the input XML are parsed to generate Common pages and Additional pages in real time. The layout of the Common page is completely determined by the XML description; the Additional page adopts a double-list mechanism, the left list lists the pre-defined component names, and the right list records the instances, and only a single instance of the same component is allowed to exist.

[0040] The page automatically loads three types of control groups: Parameter control group: used to input geometric dimensions, process conditions, etc.; the control is automatically bound with units (mm, deg, kPa, km / h) and provides a schematic preview.

[0041] Material Control Group: used to select the material brand of each component, supporting drop-down filtering.

[0042] Object Control Group: used to specify the component type or subclass.

[0043] 3. Condition Rule Engine Read the RuleSet node, distinguished by the Type attribute of the Object, to distinguish between Judge and Class_TP rules.

[0044] Judge Rule: sequentially traverse Rule.Option, and when the Case is established, load the corresponding Judge child node to dynamically add or delete FHTC component parameter controls.

[0045] Class_TP Rule: read the RadioOption value, and switch the availability status of the TP component-related controls according to true / false.

[0046] 4. Template Matching Module (Figure 5) After the user clicks the "Find Template" button, collect key fields such as General_Forming Process, NP_N, and TB_Type to form a parameter vector. Call a high-performance comparison algorithm to perform full-field accurate comparison in the Excel template library; if all fields are consistent, return the template number list and load the corresponding structure diagram on the right side of the result row for preview.

[0047] 5. Role Configuration Module (Figures 6 and 7) Parse the Role node in the selected template XML to automatically generate the SectionAnalysis1 page (standard measurement items, not reusable) and the SectionAnalysis2 page (additional measurement items, reusable). In the SectionAnalysis2 page, the same measurement item can be added multiple times as an independent instance; the system pops up a sub-dialog box to collect parameters for each instance, and maintains the synchronization relationship between the left and right lists in real time.

[0048] 6. Intelligent Output Module (Figure 8) Verify the confirmed user input parameters, template number, and role configuration, generate Tire_description_template number.xml that meets the enterprise naming specification, and write it to the user's historical configuration library. At the same time, display the "generation success" prompt and file path on the front end for direct calling in subsequent process and simulation links.

[0049] III. Preferred Embodiment Take the passenger car radial tire with the specification of 215 / 60R17 and the pattern of SW668 as an example, the complete operation process is as follows: Step 1: Start the system, in the pre-selected dialog box (Dialog Box) Figure 2 ), select DefultXml (first configuration of this product) or UserXml (last configuration not completed); Step 2: The system parses the XML configuration file structure, dynamically builds the general page (General Page) Figure 3 ) and Additional page (Additional Page) Figure 4 ); Step 3: In the general page, the user fills in the basic property parameters of the tire and the material, type, thickness, width, end position and other parameters of each basic component in turn; Step 6: In the Additional page, add ZB and ZW components from the left list to the right list, and fill in the parameters in the sub-dialog box of the components; Step 7: In the SearchPage page (SearchPage) Figure 5 ), click FindTemplate, and view the structure diagram corresponding to each result in the generated result list, and finally select template B169; Step 8: In the SectionAnalysis1 page (SectionAnalysis1) Figure 6 ), fill in the section measurement item parameters; Step 9: In the SectionAnalysis2 page (SectionAnalysis2) Figure 7 ), do not add additional measurement items; Step 10: Save as 215 / 60R17 SW668_B169.xml, as the input for subsequent material distribution diagram design.

[0050] Actual measurement shows that the template retrieval of the embodiment takes about 3.4 minutes, and the parameter verification does not appear out-of-bound or unit inconsistency error, which reflects the significant improvement of the efficiency and accuracy of the embodiment.

[0051] The above is the description of the embodiments of the present application. Through the above description of the disclosed embodiments, those skilled in the art can implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art. The general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

[0052] Those skilled in the art will appreciate that embodiments of the application can be readily used as software, hardware, or a combination of software and hardware. In a typical configuration, a computing device includes one or more processors (CPUs), input / output interfaces, network interfaces, and memory.

[0053] The present application is described in reference to the flowchart illustrations and / or block diagrams according to the embodiments of the application. It will be understood that each block of the flowchart illustrations and / or block diagrams, and combinations of blocks in the flowchart illustrations and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general purpose computer, special purpose computer, embedded processing system, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart illustrations and / or block diagrams. Figure 1 one or more functions specified in the flowchart illustrations and / or block diagrams. Figure 1 one or more functions specified in the flowchart illustrations and / or block diagrams.

[0054] These computer program instructions can also be stored in a computer- readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instructions which implement the functions specified in the flowchart illustrations and / or block diagrams. Figure 1 one or more functions specified in the flowchart illustrations and / or block diagrams. Figure 1 one or more functions specified in the flowchart illustrations and / or block diagrams.

[0055] These computer program instructions can also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart illustrations and / or block diagrams. Figure 1 one or more functions specified in the flowchart illustrations and / or block diagrams. Figure 1 one or more functions specified in the flowchart illustrations and / or block diagrams.

[0056] In one typical configuration, a computing device includes one or more processors (CPUs), input / output interfaces, network interfaces, and memory.

[0057] The memory can include non-persistent memory, random access memory (RAM), and / or non-volatile memory, such as read only memory (ROM) or flash memory, among others. The memory is an example of computer-readable media.

[0058] Computer-readable media includes permanent and non-permanent, movable and non-movable media that can be implemented by any method or technology for storage of information. The information can be computer-readable instructions, data structures, program modules, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technology, compact disc read-only memory (CD-ROM), digital versatile discs (DVDs) or other optical storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information accessible to a computing device. According to the definition herein, computer-readable media does not include transitory media, such as modulated data signals and carriers.

Claims

1. A method for automated configuration of a tire material profile structure, characterized in that, The method comprises the following steps: 1) a pre-selection step: receiving a user-specified DefaultXml or UserXml file through a pre-selection module; 2) a dynamic construction step: parsing Dialog, Page, RuleSet nodes in the XML file, and generating Common-type and Additional-type interactive pages in real time based on node information, with automatic loading of parameter control groups, material control groups, and object control groups in the pages; 3) a conditional rule execution step: when a page contains an Object node, calling a conditional rule engine to match a Rule node with the same name, and dynamically setting the visibility or availability of related controls according to the Option.Case result of the conditional judgment; 4) a template precise matching step: extracting a set of key parameters input by a user on a page, and performing a full-field accurate comparison with an Excel template library, and only when all fields are completely identical, outputting a matching template number list and synchronously displaying a structure diagram; 5) a role configuration step: loading a corresponding template XML according to a selected template number, automatically generating a non-reusable SectionAnalysis1 page and a reusable SectionAnalysis2 page, and filling in Role data; 6) an intelligent output step: integrating user input parameters, template numbers, and role configurations, and generating a standardized UserXml file with a naming format of Tire_description_TemplateNumber.xml; wherein, when template matching fails, the pre-selection module allows saving the current UserXml as a subsequent initialization configuration, so as to avoid repeated input.

2. The method of claim 1, wherein, In step 2), the layout of the Common-type page is completely determined by the xml configuration file, and the layout of the Additional-type page is determined in advance.

3. The method of claim 1, wherein, In step 2), the parameter control group mainly controls basic attribute parameters of the tire, thickness, width, and end position parameters of each component, the material control group mainly controls material parameters of each component of the tire, and the object control group mainly controls type selection of the tire components; as an optimization, the physical quantity units of the parameter control group are dynamically bound: length unit: mm, angle unit: deg, pressure unit: kPa, and speed unit: km / h; as an optimization, the parameter control group can be associated with a parameter diagram, and the user can view it in real time.

4. The method of claim 1, wherein, In step 2), the Additional-type page management adopts a double-list mechanism: a) the left list displays Additional component names predefined by the XML configuration file; b) the right list stores component instances added by the user, and only a single instance of the same Additional component is allowed to exist in the right list; c) each instance parameter is configured through a dynamically generated sub-dialog box.

5. The method of claim 1, wherein, In step 3), the execution logic of the conditional rule engine comprises: a) For Object nodes with Type=Judge, match Rule nodes with the same name, and perform condition checks in the order of Rule.Option. If a match is successful, load the content of the corresponding Judge child node. This rule is used to control the parameter status in the FHTC component page. b) For Object nodes with Type=Class_TP, match Rule nodes with the same name, and dynamically set the available state of associated controls according to the RadioOption value in Rule.Option. This rule is used to control the parameter state of TP components.

6. The method of claim 1, wherein, The matching process in step 4) is as follows: a) Extract key parameters from the regular page and the Additional page, including General_Forming Process, NP_N, TB_Type, FHTM_Type, GP_N, and ZB_N parameters; b) Perform a full-field accurate comparison with the Excel template library; c) Output a list of matching template numbers and associate it with a visual diagram only when the comparison parameters are completely identical.

7. The method of claim 1, wherein, In step 5), the roles on the SectionAnalysis1 page of the role configuration module are not reusable and include standard measurement items for cross-section analysis. The SectionAnalysis2 page supports role reuse, for example, a) The left list displays the Role names in the template XML, which mainly include additional measurement items for cross-section analysis; b) The right-hand list allows the same measurement item to be added as an independent instance multiple times; c) Configure the parameters of each instance through dynamically generated sub-dialog boxes.

8. An automated configuration system for tire material distribution map structure, characterized in that, The system implements the method according to any one of claims 1-7, comprising: a preselection module for receiving a user-specified DefaultXml or UserXml file and saving the current UserXml state for subsequent initialization in case of a template match failure; A dynamic construction module is connected to the pre-selection module, parses the XML file, and generates a Dialog , Page , RuleSet node, and generates a Common type page and a Additional type page in real time, and loads parameter control groups, material control groups, and object control groups in the pages. A conditional rules engine, coupled with the dynamic building module, matches a like-named Object node when a page contains Rule a node and dynamically sets the visibility or availability of the associated control based on Option.Case the result. The template matching module communicates with the conditional rule engine to extract the set of key parameters input by the user, perform a full-field accurate comparison with the Excel template library, and output a list of matching template numbers and display a structural diagram when all fields are completely consistent. The character configuration module is connected with the template matching module, loads the template XML according to the selected template number, automatically generates the non-reusable Section Analysis 1 page and fills in the reusable Section Analysis 2 page with data. Role ​ An intelligent output module is connected with the role configuration module, integrates user input parameters, template numbers and role configurations, and generates a standardized file with a naming format of Tire_description_template_number.xml . UserXml ​ 9. A computer readable storage medium having stored thereon a computer program, characterized in that, When the program is executed by the processor, it causes the computer to perform the method described in any one of claims 1-7.

10. A computer program product comprising computer programs or instructions, characterized in that, When the computer program or instructions are executed by a processor, they implement the method of any one of claims 1-7.

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