CN111895940A - Calibration file generation method, system, computer device and storage medium - Google Patents
Calibration file generation method, system, computer device and storage medium Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 48
- 238000005259 measurement Methods 0.000 claims abstract description 177
- 238000013500 data storage Methods 0.000 claims abstract description 22
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- 238000000605 extraction Methods 0.000 claims description 14
- 238000011156 evaluation Methods 0.000 claims description 7
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- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
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Abstract
The invention provides a method for generating a calibration file, which comprises the following steps: extracting a measurement environment parameter; checking whether a measurement command corresponding to the measurement environment parameter is legal or not; when the measurement command is legal, marking a preset command in the measurement command; extracting effective information in the marked preset command; generating measurement tool information based on a data storage path and a data storage format of a measurement tool in the measurement device; and generating a calibration file according to the effective information and the measuring tool information. The invention also provides a system, a computer device and a storage medium for realizing the calibration file generation. The invention realizes the data calibration by directly using the measuring equipment and avoids a series of problems caused by the data calibration by adopting the comparison instrument master machine.
Description
Technical Field
The present invention relates to the field of measurement technologies, and in particular, to a calibration file generation method, a calibration file generation system, a computer device, and a storage medium.
Background
The comparison instrument is a precise instrument for dimension measurement by a comparison method, and has the characteristics of light weight, low cost and high speed. Can be used as an extension and supplement of the measuring equipment. In the use process, the comparison instrument only can use the special comparison instrument master machine to generate the calibration file, and equipment purchase and personnel training cost are increased by purchasing the special comparison instrument master machine. Before calibration, a calibration program special for the comparison instrument main machine needs to be written, and a large amount of manpower and time are occupied. In addition, because a comparison instrument master machine is introduced to generate a calibration file, when a production piece is measured by using a comparison instrument and measuring equipment, unacceptable differences exist between the measuring result obtained by the comparison instrument and the measuring result obtained by the measuring equipment with a high probability.
Disclosure of Invention
In view of the above, there is a need to provide a calibration file generation method, system, computer device and storage medium, which avoid a series of problems caused by the need of using a comparison instrument master machine to calibrate data when measuring a production piece.
One aspect of the present application provides a calibration file generation method, including:
extracting measurement environment parameters, wherein the measurement environment parameters comprise a measurement equipment model, a measurement equipment control software version and a measurement program name;
checking whether a measurement command corresponding to the measurement environment parameter is legal or not;
when the measurement command is legal, marking a preset command in the measurement command;
extracting effective information in the marked preset command;
generating measurement tool information based on a data storage path and a data storage format of a measurement tool in the measurement device; and
and generating a calibration file according to the effective information and the measuring tool information.
Preferably, the method further comprises:
and when the measurement command is illegal, automatically correcting the illegal measurement command and generating a legal command equivalent to the illegal measurement command.
Preferably, the method further comprises:
and naming the calibration file according to the name of the measurement program and printing the calibration file.
Preferably, the checking whether the measurement command corresponding to the measurement environment parameter is legal includes:
comparing whether the measurement command is consistent with a pre-stored command in a standard format;
when the measurement command is consistent with the command in the standard format, confirming that the measurement command is legal;
and when the measurement command is inconsistent with the command in the standard format, confirming that the measurement command is illegal.
Preferably, the measurement commands include one or more of a measurement feature command, a measurement path command, a reference command, a dimension evaluation command, and a measurement tool command.
Preferably, the measuring tool information includes a length of the measuring tool, a theoretical diameter of the ball, a theoretical diameter of the rod, an actual diameter of the ball, an actual diameter of the rod, and an angle of the measuring tool.
Preferably, the preset command is a command for performing the functions of size evaluation, benchmark construction and data compensation in the measurement process.
A third aspect of the present application provides a calibration file generating system, including:
the environment module is used for acquiring measurement environment parameters, and the measurement environment parameters comprise a measurement equipment model, a measurement equipment control software version and a measurement program name; the checking module is used for checking whether the measuring command corresponding to the measuring environment parameter is legal or not;
the marking module is used for marking a preset command in the measurement command when the measurement command is legal;
the command extraction module is used for extracting effective information in the marked preset command;
the tool extraction module is used for extracting the measuring tool information based on the data storage path and the data storage format of the measuring tool in the measuring equipment; and
and the generating module is used for generating a calibration file according to the effective information and the measuring tool information.
A third aspect of the present application provides a computer apparatus, comprising a memory and at least one processor, wherein the memory stores at least one instruction, and the at least one instruction, when executed by the at least one processor, implements the calibration file generation method.
A fourth aspect of the present application provides a computer-readable storage medium storing at least one instruction, which when executed by a processor implements the calibration file generation method.
Compared with the prior art, the calibration file generation method, the calibration file generation system, the computer device and the storage medium can generate the calibration file without comparing the master computer of the instrument. The data calibration is directly carried out by using the measuring equipment, the hardware cost is saved, and a series of problems caused by data calibration by using a comparison instrument master machine are avoided.
Drawings
FIG. 1 is a block diagram of a computer device according to a preferred embodiment of the present invention.
FIG. 2 is a functional block diagram of a calibration file generation system according to a preferred embodiment of the present invention.
FIG. 3 is a flowchart illustrating a calibration file generation method according to a preferred embodiment of the invention.
Description of the main elements
| Computer device | 1 |
| Memory device | 11 |
| Processor with a memory having a plurality of memory cells | 12 |
| Calibration file generation system | 10 |
| Environment module | 101 |
| Inspection module | 102 |
| Marking module | 103 |
| Command extraction module | 104 |
| Tool extraction module | 105 |
| Generation module | 106 |
The following detailed description will further illustrate the invention in conjunction with the above-described figures.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a detailed description of the present invention will be given below with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.
In the following description, numerous specific details are set forth to provide a thorough understanding of the present invention, and the described embodiments are merely a subset of the embodiments of the present invention, rather than a complete embodiment. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Fig. 1 is a diagram illustrating an architecture of a computer device according to a preferred embodiment of the present invention.
In this embodiment, the computer apparatus 1 includes a memory 11 and at least one processor 12 electrically connected to each other.
It will be appreciated by those skilled in the art that the structure of the computer apparatus 1 shown in fig. 1 does not constitute a limitation of the embodiments of the present invention, and that the computer apparatus 1 may also comprise more or less hardware or software than fig. 1, or a different arrangement of components.
It should be noted that the computer device 1 is only an example, and other existing or future computer devices that may be adapted to the present invention, such as may be suitable for the present invention, are also included in the scope of the present invention and are also included herein by reference.
In some embodiments, the memory 11 may be used to store program codes of computer programs and various data. For example, the memory 11 can be used for storing the calibration file generating system 10 installed in the computer device 1 and realizing high-speed and automatic access to programs or data during the operation of the computer device 1. The Memory 11 may be a non-volatile computer-readable storage medium including a Read-Only Memory (ROM), a Programmable Read-Only Memory (PROM), an Erasable Programmable Read-Only Memory (EPROM), a One-time Programmable Read-Only Memory (OTPROM), an Electrically Erasable rewritable Read-Only Memory (EEPROM), an optical Read-Only disk (CD-ROM) or other optical disk storage, a magnetic disk storage, a tape storage, or any other non-volatile computer-readable storage medium capable of carrying or storing data.
In some embodiments, the at least one processor 12 may be comprised of an integrated circuit. For example, the integrated circuit may be formed by a single packaged integrated circuit, or may be formed by a plurality of integrated circuits packaged with the same function or different functions, and include one or more Central Processing Units (CPUs), microprocessors, digital Processing chips, graphics processors, and combinations of various control chips. The at least one processor 12 is a Control Unit (Control Unit) of the computer apparatus 1, and is connected to various components of the whole computer apparatus 1 by various interfaces and lines, and executes programs or modules or instructions stored in the memory 11 and calls data stored in the memory 11 to perform various functions of the computer apparatus 1 and process data, for example, a calibration file generating function (see the description of fig. 3 later in detail).
In this embodiment, the calibration file generation system 10 may include a plurality of modules, which are stored in the memory 11 and executed by at least one or more processors (in this embodiment, the processor 12) to implement the function of generating the calibration file (refer to the description of fig. 3 later for details). In this embodiment, the calibration file generating system 10 may be divided into a plurality of modules according to the functions performed by the calibration file generating system. Referring to fig. 2, the plurality of modules includes an environment module 101, an inspection module 102, a marking module 103, a command extraction module 104, a tool extraction module 105, and a generation module 106. The module referred to herein is a series of computer readable instruction segments capable of being executed by at least one processor (e.g., processor 12) and performing a fixed function, and is stored in a memory (e.g., memory 11 of computer device 1). In the present embodiment, the functions of the modules will be described in detail later with reference to fig. 3.
In this embodiment, the integrated unit implemented in the form of a software functional module may be stored in a nonvolatile readable storage medium. The software functional modules include one or more computer readable instructions, and the computer device 1 or a processor (processor) implements part of the method of the embodiments of the present invention, such as the method of generating a calibration file shown in fig. 3, by executing the one or more computer readable instructions.
In a further embodiment, in conjunction with FIG. 2, the at least one processor 12 may execute various types of application programs (e.g., the calibration file generation system 10), program code, etc. installed in the computer apparatus 1.
In a further embodiment, the memory 11 has program code of a computer program stored therein, and the at least one processor 12 can call the program code stored in the memory 11 to perform the related function. For example, the modules of the calibration file generation system 10 in fig. 2 are program codes stored in the memory 11 and executed by the at least one processor 12, so as to implement the functions of the modules for the purpose of generating calibration files (see the description of fig. 3 below for details).
In one embodiment of the present invention, the memory 11 stores one or more computer readable instructions that are executed by the at least one processor 12 for the purpose of generating a calibration file. In particular, the at least one processor 12 may implement the above-mentioned computer-readable instructions in detail as described in fig. 3 below.
Fig. 3 is a flowchart of a calibration file generation method according to a preferred embodiment of the present invention.
In this embodiment, the calibration file generation method may be applied to the computer device 1, and for a computer device 1 that needs to perform data calibration, the functions provided by the method of the present invention for data calibration may be directly integrated on the computer device 1, or may be run on the computer device 1 in a Software Development Kit (SDK) form.
As shown in fig. 3, the calibration file generation method specifically includes the following steps, and according to different requirements, the order of the steps in the flowchart may be changed, and some steps may be omitted.
Step S1: the environment module 101 extracts measurement environment parameters including measurement device model, measurement device control software version, and measurement program nomenclature.
In an embodiment, the environment module 101 may extract the measurement environment parameters of the measuring device being used from the memory of the computer apparatus 1.
Step S2: the checking module 102 checks whether the measurement command corresponding to the measurement environment parameter is legal. When the check module 102 confirms that there is an illegal measurement command, the flow advances to step S7; when the check module 102 confirms that all the measurement commands are valid, the flow advances to step S3.
In this embodiment, the checking module 102 receives the measurement environment parameter output by the environment module 101, confirms the model of the measurement device and the control software of the measurement device according to the measurement environment parameter, and performs validity check on the measurement command corresponding to the measurement device. The checking module 102 compares whether the measurement command is consistent with a pre-stored command in a standard format; when the measurement command is consistent with the command in the standard format, confirming that the measurement command is legal; and when the measurement command is inconsistent with the command in the standard format, confirming that the measurement command is illegal. The pre-stored command with the Standard format refers to a measurement command conforming to a Dimension Measurement Interface Standard (DMIS) coding rule.
On the measurement device, the measurement program is typically written using DMIS code. DMIS is a program code format used by various types of common measurement device control software on the market. However, the DMIS code between different measuring devices has compatibility problems based on different manufacturers, models, production times, and software versions. If the compatibility problem of the DMIS on various devices is not considered, the main information in the calibration file can be obtained by directly or after operation of the DMIS codes of various measuring devices theoretically.
Generally, measurement devices write measurement commands by sampling DMIS codes, but different manufacturers add some personalized functions to the measurement commands according to their own needs, so that measurement commands that do not conform to the DMIS coding rules occur. In order to identify a measurement order that does not comply with the DMIS coding rules, the checking module 102 checks whether the measurement order is legitimate.
The checking module 102 receives the measuring device model and the measuring device control software version information output by the environment module 101. According to the received information, the checking module 102 executes different validity checking criteria. The checking module 102 traverses all the measurement commands corresponding to the measurement environment parameters, and performs validity check on each measurement command.
In an embodiment, the checking module 102 may also check the type of the measurement command. For example, when the checking module 102 confirms that the measurement command is a measurement tool command, it confirms that the measurement command is legal, and outputs the measurement tool name corresponding to the measurement tool command to the tool extracting module 105.
The measurement command is an instruction for controlling the measurement device in the measurement control software. The measurement command includes: measurement feature commands, measurement path commands, reference commands, dimension evaluation commands, measurement tool commands, and other commands, among others. The measurement command is generally written according to the DMIS rule or is developed by each manufacturer based on the DMIS rule.
Step S3: the marking module 103 marks a preset command in the measurement commands, wherein the preset command is a command for performing the functions of size evaluation, benchmark construction and data compensation in the measurement process.
In an embodiment, the marking module 103 will traverse all the qualified measurement commands checked by the checking module 102, and mark a preset command in the measurement commands. The preset command is a command which directly plays roles in size evaluation, benchmark construction and data compensation in the measurement process. The data of the preset command is the data required in the calibration file.
Step S4: the command extraction module 104 extracts valid information in the marked preset command.
In an embodiment, the command extracting module 104 receives the mark information output by the mark module 103, identifies a measurement command that needs to be processed according to the mark information, extracts effective information in the measurement command according to the measurement device control software version information by using different calculation methods, and outputs the effective information to the generating module 106.
It should be noted that the measurement command may include various information of the measurement target, such as a name, target coordinates, and the like. Then, in the present embodiment, only the valid information in the measurement command needs to be extracted. For example, when the measurement command is a command to measure a point, the measurement command may include the name of the point, theoretical coordinates, measurement values, target values, vector directions, and the like. And the valid information of the measurement order includes the name and measurement value of the point.
Step S5: the tool extraction module 105 extracts measurement tool information based on a data storage path and a data storage format of a measurement tool in the measurement device.
In an embodiment, the tool extraction module 105 receives the measurement environment parameters sent by the environment module 101, and searches a data storage path and a data storage format of a measurement tool in the measurement device according to different information such as a model of the measurement device and a control software version of the measurement device in the measurement environment parameters.
It should be noted that the data storage path obtained at the first run time is stored in the memory in a text form for later use.
It should be noted that, theoretically, the data storage path searched by the tool extraction module 105 has a certain error probability. When a path error occurs, the generation module 106 cannot be executed.
It should be noted that the tool extraction module 105 can invoke a computer resource manager for an operator to manually search the data storage path. When the data storage path is wrong, the operator can correct the data storage path through the operation.
The measuring tool is a collection of a measuring base, an adapter, a sensor, an extension rod, a measuring needle and a measuring angle used in measurement. It should be noted that one or more different measuring tools are used in the process of measuring the production piece by the measuring device. The detailed information of the measuring tool is stored in different positions of the memory in files with different formats according to different versions of the control software of the measuring equipment.
In one embodiment, the tool extraction module 105 extracts the data storage path of the measurement tool from the generated text, and confirms the data storage format of the measurement tool according to the environment module 101. Extracting the verification information of the measuring tool according to the data storage paths and the storage formats; and processing the verification information of the measuring tool to extract the required effective tool information. The required effective information includes the length of the measuring tool, the theoretical diameter of the ball (or the theoretical diameter of the rod), the actual diameter of the ball (or the actual diameter of the rod), the angle of the measuring tool, and the like.
Step S6: the generating module 106 generates a calibration file according to the valid information and the measurement tool information.
In an embodiment, the generating module 106 performs calculation and processing according to the requirement of the calibration file to generate the calibration file.
Step S7: the check module 102 also corrects the illegal command and then proceeds to step S3.
In an embodiment, the checking module 102 may correct the illegal command to generate an equivalent legal command.
The method for generating the calibration file further comprises the following steps: and naming the calibration file according to the measurement program naming information and printing the calibration file. Specifically, according to the name information of the measuring program, the character string processing is carried out on the calibration information, the calibration file is named, and the comparison instrument calibration file meeting the requirement is printed out.
In the following, a description is given of a work flow when a production part is measured by using a calibration file generated by a comparison instrument master machine and a calibration file generated by the calibration file generation method provided in the present application in the prior art.
The operation flow when generating the calibration file through the master machine of one or more comparison instruments among the prior art, rethread comparison instrument and measuring equipment measurement production piece includes:
the method comprises the following steps: compiling a calibration program used by the comparison instrument master machine;
step two: executing a calibration program on the comparison instrument main machine, and measuring a standard component to generate a calibration file;
step three: measuring the same standard component by using a comparison instrument and generating a measurement result;
step four: comparing the measurement result of the comparator with the calibration file generated by the master machine, and automatically generating a compensation file according to the difference between the measurement result and the calibration file;
step five: according to the compensation file, the measurement data is compensated in the production measurement, so that an accurate measurement result is obtained.
In the prior art, the comparison instrument only can use a special comparison instrument master machine to generate a calibration file, and equipment purchase and personnel training cost is increased by purchasing the comparison instrument master machine; the calibration program special for the comparison instrument main machine needs to be written before calibration, and a large amount of manpower and time are occupied.
In an embodiment, a calibration file is generated by the method for generating a calibration file provided by the present application. The operation flow when measuring the production piece through the comparison instrument and the measuring equipment comprises the following steps:
(1) and receiving a calibration file, wherein the calibration file comprises measurement data obtained by measuring a standard component by using measurement equipment.
In one embodiment, the measurement data is obtained by measuring the standard component by a measurement program on the measurement device, and the measurement data and the parameters of the measurement device are written into the calibration file. It should be noted that the calibration file is a file generated by the calibration file generation method of the present application.
It should be noted that the measurement program written here is a size detection program used by the measurement apparatus on a daily basis, and is not a dedicated program for calibration work. Even if a comparator is not introduced to participate in measurement, the program needs to be written. It should be noted that the measuring device refers to a contact coordinate measuring device which is commonly used in the market and uses or supports DMIS coding.
(2) And measuring the standard component through a comparison instrument to obtain a measurement result. In this embodiment, the standard component measured by the comparison instrument and the standard component measured by the measurement device are the same standard component. The standard component measured by the comparison instrument can be used for compensating measurement data when a production component is measured subsequently.
(3) And comparing the difference between the measurement result and the calibration file, and automatically generating a compensation file according to the difference.
(4) And based on the compensation file, compensating when the comparison instrument measures the production piece. Specifically, when the comparison instrument measures a production piece, uncompensated original data can be generated, and the original data is compensated through the compensation file, so that an accurate measurement result is obtained.
The calibration file generation method and the calibration file generation system provided by the application develop a program which can be directly embedded into control software of each measuring device. And identifying and capturing effective information of a measurement command of the measurement equipment by using the program, and obtaining a correct calibration file according to the effective information.
The calibration file generation method provided by the application can generate the calibration file without a comparison instrument master machine, so that equipment purchase and personnel training cost are saved; after the method is adopted, method verification, repeatability and reproducibility verification and correlation verification do not need to be carried out on the comparison instrument master machine, so that the risk in the measurement process is reduced.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules is only one logical functional division, and other divisions may be realized in practice.
The modules described as separate parts may or may not be physically separate, and parts displayed as modules may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
In addition, functional modules in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional module.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it is obvious that the word "comprising" does not exclude other elements or that the singular does not exclude the plural. A plurality of units or means recited in the apparatus claims may also be implemented by one unit or means in software or hardware. The terms first, second, etc. are used to denote names, but not any particular order.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention is described in detail with reference to the above preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. A calibration file generation method is characterized by comprising the following steps:
extracting measurement environment parameters, wherein the measurement environment parameters comprise a measurement equipment model, a measurement equipment control software version and a measurement program name;
checking whether a measurement command corresponding to the measurement environment parameter is legal or not;
when the measurement command is legal, marking a preset command in the measurement command;
extracting effective information in the marked preset command;
generating measurement tool information based on a data storage path and a data storage format of a measurement tool in the measurement device; and
and generating a calibration file according to the effective information and the measuring tool information.
2. The calibration file generation method as claimed in claim 1, wherein said method further comprises:
and when the measurement command is illegal, automatically correcting the illegal measurement command and generating a legal command equivalent to the illegal measurement command.
3. The calibration file generation method as claimed in claim 1, wherein said method further comprises:
and naming the calibration file according to the name of the measurement program and printing the calibration file.
4. The calibration file generation method of claim 1, wherein the checking whether the measurement command corresponding to the measurement environment parameter is legal comprises:
comparing whether the measurement command is consistent with a pre-stored command in a standard format;
when the measurement command is consistent with the command in the standard format, confirming that the measurement command is legal;
and when the measurement command is inconsistent with the command in the standard format, confirming that the measurement command is illegal.
5. The calibration file generation method of claim 4, wherein the measurement command comprises one or more of a measurement feature command, a measurement path command, a reference command, a dimension evaluation command, and a measurement tool command.
6. The calibration file generating method according to claim 1, wherein the measurement tool information includes a length of a measurement tool, a theoretical diameter of a sphere, a theoretical diameter of a rod, an actual diameter of a sphere, an actual diameter of a rod, and an angle of a measurement tool.
7. The calibration file generation method as claimed in claim 1, wherein the preset command is a command for performing the functions of size evaluation, reference construction and data compensation during the measurement process.
8. A calibration file generation system, comprising:
the environment module is used for extracting measurement environment parameters, and the measurement environment parameters comprise a measurement equipment model, a measurement equipment control software version and a measurement program name;
the checking module is used for detecting whether the measurement command corresponding to the measurement environment parameter is legal or not;
the marking module is used for marking a preset command in the measurement command when the measurement command is legal;
the command extraction module is used for extracting effective information in the marked preset command;
the tool extraction module is used for generating measuring tool information based on a data storage path and a data storage format of a measuring tool in the measuring equipment; and
and the generating module is used for generating a calibration file according to the effective information and the measuring tool information.
9. A computer-readable storage medium, characterized in that the computer-readable storage medium stores at least one instruction, which when executed by a processor implements the calibration file generation method according to any one of claims 1 to 7.
10. A computer arrangement, characterized in that the computer arrangement comprises a memory and at least one processor, said memory having stored therein a plurality of modules, which when executed by said at least one processor implement the calibration file generation method according to any one of claims 1 to 7.
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