TW202020793A - Vehicle illumination device production capability analysis system and method - Google Patents

Abstract

A vehicle illumination device production capability analysis system includes an index analysis module, a statistic calculation module, an index integration module, and a comparing analysis module. The index analysis module writes a plurality of product analysis items needed to be analyzed into an assessment index information, and generate a capability analysis graph according to the assessment index information. Also, the capability analysis graph has a standard capability area. The statistic calculation module receives the product analysis items information and transform it into an information standardization coordinates. The index integration module integrates the information standardization coordinates on the capability analysis graph. The comparing analysis module identifies the distribution of each information standardization coordinate. Therefore, the capability analysis graph enables the quality control personnel to identify the reliability of the product manufacturing quality level.

Description

Analysis system and method of manufacturing capability of automobile lamp products

The invention is a process analysis technology, especially an analysis system and method for the process capability of a car lamp product.

According to the press, most of the domestic auto parts factories are in the business mode of professional foundry. Among them, the output value of the foundry of auto parts is the highest with car lights and parts, and after the products have been developed, designed, manufactured and manufactured , Usually have many important quality characteristics, and may include both unilateral specifications (large or small) and bilateral specifications (look-at-type), in order to provide manufacturers with product specifications that meet customer requirements, so many Studies have shown that products with multiple quality characteristics require that the process quality of all quality characteristics meet the required requirements in order to be considered a good product.

However, at present, most of the products manufactured by foundry manufacturers use the six-standard deviation quality management model as the quality control. Among them, the six-standard deviation quality management model can derive the relationship between the quality level of the product and the multi-quality characteristic process for different process capability indicators. Capability analysis chart (Multi-characteristic process capability analysis chart, MPCAC), to evaluate and judge whether the process quality of quality characteristics meets the level required by the customer, so it can effectively reduce the effect of process defect rate.

However, although the current six-standard deviation quality management model of the technology can be used as the quality standard through the quality capability of the process product, it can be used to judge whether the manufactured product meets the quality level required by the customer. However, the quality level range achieved by the process It is impossible to directly obtain the precise value and the accurate value, so the quality control personnel can only confirm the quality characteristics of each product specification accurately and in accordance with the above-mentioned analyzed quality level range.

In order to solve the above-mentioned problems, the present invention provides an analysis system and method for the manufacturing capability of automotive lamp products, which performs standardized calculations on the product analysis items of automotive lamp products, and converts the product analysis item information into the information average value and the information standard deviation respectively And through the above information average value and information standard deviation value chart, used to analyze the accuracy and precision of the process capability of the lamp products, in this way, it can further provide quality control personnel to judge the credibility of the quality level of the process products.

In order to achieve the above object, the present invention provides an analysis system for the manufacturing capability of a car lamp product, which includes: an indicator analysis module, which distinguishes a plurality of product analysis items to be analyzed according to a car lamp product from a quality characteristic, and An evaluation index information is written corresponding to each quality characteristic, and the index analysis module draws a capability analysis chart based on the evaluation index information. The capability analysis chart has an abscissa indicating the average value of the evaluation index information and a vertical coordinate indicating the evaluation index information Standard deviation, and a standard capability area is set in the capability analysis chart; a data calculation module, which is coupled to the index analysis module, the data calculation module receives the information of the plural product analysis items to be analyzed by the vehicle lamp product collection, and The data calculation module uses the calculation process of evaluating the index information to calculate the information standardization coordinates of each product analysis item information respectively with an information average and an information standard deviation; an indicator integration module, which is coupled to the data calculation module Group, the indicator integration module receives the standardized coordinates of each information and correspondingly aggregates it into the capability analysis chart; and a comparison analysis module, which is coupled to the indicator integration module, and the comparison analysis module evaluates each information standardized coordinate to the capability analysis chart To determine whether the standardized coordinates of each information are located in the standard capability area.

Another embodiment of the present invention provides an analysis method of the manufacturing capability of a car lamp product, which sequentially includes the following steps: establishing standard information: in an index analysis module of a computer device, according to a car lamp product, the required analysis The plural product analysis items separately distinguish a quality characteristic, and write an evaluation index information corresponding to each quality characteristic, and the index analysis module draws a capability analysis chart based on the evaluation index information. The capability analysis chart has an abscissa indicating the evaluation index information The average value and a vertical coordinate are expressed as the standard deviation of the evaluation index information, and a standard capability area is provided in the capability analysis chart; product variable conversion standardization: collect the multiple product analysis item information that you want to analyze for the car lamp product, and compare each The analysis item information is input to a data calculation module of the computer device. The data calculation module uses the calculation procedure of the evaluation index information to calculate the information analysis item information of each product into an information standardized coordinate with an information average value and an information standard deviation Comparison chart: an index integration module of a computer device receives the standardized coordinates of each information, and integrates it into the capability analysis chart according to the average value of each information and the standard deviation of each information; and analysis judgment: comparison analysis of one of the computer devices The module evaluates the distribution of each information standardization coordinate on the capability analysis chart, and determines whether each information standardization coordinate is located in the standard capability area, which is used as the process quality for analyzing the information of the analysis item of the lamp product.

In this way, the present invention performs standardized calculations on the product analysis items of the car lamp products, converts the product analysis item information into the information average value and the information standard deviation value, and uses the above information average value and information standard deviation value to make a chart for Analyze the accuracy and precision of the process capability of automotive lamp products. In this way, it can further provide quality control personnel with confidence in the quality level of the process products.

In order to facilitate the description of the central idea of the present invention in the column of the above summary of the invention, it is expressed in specific embodiments. In the embodiments, various objects are drawn in proportions suitable for enumeration and description, rather than in proportion to actual elements, and are described in advance.

Please refer to FIG. 1 and FIG. 2, the present invention provides an analysis system 100 for the manufacturing capability of automotive lamp products, which is used with a computer device to perform arithmetic processing. The analysis system 100 includes:

An indicator analysis module 10, which distinguishes a plurality of product analysis items to be analyzed according to a car lamp product by a quality characteristic. Further, in the present invention, the car lamp product is first screened out by a six-standard deviation method and each of the analysis items corresponding to evaluation of the quality properties of, in this embodiment, the product comprises a light focusing analysis item, color temperature, wattage of effective brightness, power consumption, and quality characteristics comprise quality purposed characteristic (Normal the better: NTB) , Larger the better ( LTB) and Smaller the better ( STB) , and the index analysis module 10 writes evaluation index information corresponding to each quality characteristic.

。Specifically, the information format of the evaluation indicators of Wangmu 's quality characteristics is LSL _h ≦ X _h ≦ USL _h , where LSL represents the lower limit of the service request range; USL represents the upper limit of the service request range, and this embodiment will Through the method of variable transformation, the visual quality characteristics of Wangmu are calculated by using Y _h =(X _h -T _h )/d _h , h=1,2,3 , and the evaluation index information of the visual quality characteristics can be converted to -1 ≦ Y ≦ 1 ; The information form of the evaluation index of Wangda quality characteristics is LSL ₄ ≦ X _{4. In} this embodiment, through the method of variable transformation, the Wangda quality characteristics are carried out using the formula Y ₄ =(X ₄ /LSL ₄ )-2 Calculation, so the evaluation index information of Wangda quality characteristics is converted to -1 ≦ Y ≦0 ; the evaluation index information form of Wangxiao quality characteristics is 0 ≦X ₅ ≦USL _{5. In} this embodiment, the method of variable transformation is used to make hope Small quality characteristics are calculated using the C _pu formula, and the evaluation index information of the small quality characteristics can be converted to 0 < Y ≦1 ; through the above description, all LSLs are converted into -1 through variable transformation, and all USLs are converted into +1, and the target value is converted to

.

In the present invention, the variable transformation of the evaluation index information of each quality characteristic is expressed by the following formula:

The index analysis module 10 has a quality characteristic standardization unit 11 and a chart integration unit 12, and the quality characteristic standardization unit 11 distinguishes the analysis needs of the product analysis items into various quality characteristics; in this embodiment, optical focus, color temperature, and watt power The product analysis items of the product are classified as Wangmu quality characteristics; the product analysis items of effective luminosity are classified as Wangda quality characteristics; the product analysis items of power consumption are classified as Wangxiao quality characteristics, and the quality characteristics standardization unit 11 The evaluation index information of each quality characteristic is converted into a quality standard coordinate.

；縱座標運用下列公式表示之：

。The chart integration unit 12 draws a capability analysis chart according to the coordinates of each quality standard. The capability analysis chart has an abscissa representing the average value of the evaluation index information, which is used to judge the accuracy of the process, and a vertical coordinate represents the evaluation index information. The standard deviation is used to judge the accuracy of the process. The horizontal coordinate is expressed by the following formula:

; The vertical coordinate is expressed by the following formula:

.

It is worth noting that the aforementioned evaluation index information of each quality characteristic converts the upper specification limit to 1, the lower specification limit to -1, and the target value to 0 through variable transformation, and the standard deviation calculation of the evaluation index information of each quality characteristic; Finally, the coordinates of each quality standard are calculated as (+1.00, 0.00), (-1.00, 0.00) and (0.00, +0.2 to +0.4), and a standard capability area A is provided in the capability analysis chart, where the chart integration unit 12 Connect the above-mentioned quality standard coordinates to each other to form a triangle-shaped standard capability area A.

A data calculation module 20, which is coupled to the index analysis module 10, and the data calculation module 20 receives a plurality of product analysis item information to be analyzed by the lamp product collection, wherein each product analysis item information includes the pre-process of the lamp product The information, the machine parameters of the process lamp products, the tolerance specifications and measurement data of each quality characteristic are shown in Table 1 below. Table 1. Information table of each product analysis item of the car lamp product of the present invention

，縱座標值為一資訊標準差值

，每一個資訊標準化座標

都代表該製程的製程精確度與製程準確度。 表2.車燈產品的各產品分析項目資訊參數表

Subsequently, the data calculation module 20 uses the calculation procedure of the evaluation index information to perform standardized calculation on the product analysis item information of the tolerance specification, as shown in Table 2 below, and finally, converts to information standardized coordinates, in which the horizontal coordinates of the information standardized coordinates Value is an average of information

, The ordinate value is an information standard deviation

, Every information standardized coordinate

Both represent the process accuracy and process accuracy of the process. Table 2. Information parameter table of each product analysis item of car lamp products

An indicator integration module 30 is coupled to the data calculation module 20. The indicator integration module 30 receives the standardized coordinates of the information analyzed by the data calculation module 20 and aggregates the standardized coordinates of the information in the capability analysis chart.

A comparison analysis module 40, coupled to the index integration module 30, compares the analysis module 40 to evaluate the distribution of each information standardized coordinate on the capability analysis chart to determine whether each information standardized coordinate is located in the standard capability area A, Among them, when the information standardization coordinates fall within the standard capability area A, it means that the process accuracy and accuracy of the corresponding product analysis items meet the standard quality specifications; in other words, when the information standardization coordinates are outside the standard capability area A, it means that the corresponding The process accuracy of the product analysis project is insufficient, and the process difference is too large, which needs to be reviewed and improved.

In summary, the present invention uses six standard deviations to screen five important analysis items (light focus, color temperature, watt power, effective luminosity, power consumption) of car lamp products and correspondingly distinguish the quality characteristics (look at the quality characteristics, look at the large Quality characteristics and low quality characteristics); follow-up, correspondingly establish the evaluation index information and draw the capability analysis chart in the computer device, and the capability analysis chart is provided with a standard capability area.

Next, enter the product analysis item information of the manufactured lamp product, and the analyzed product analysis items will be distributed in different areas of the capability analysis chart, so the representative quality status is different, and the required improvement methods are also some The difference, in this way, can further provide quality control personnel with confidence in the quality level of the process products.

In addition, please refer to FIG. 2 and FIG. 3, another embodiment of the present invention provides an analysis method of the manufacturing capability of a car lamp product, which uses the index analysis module 10, the data calculation module 20, and the index integration module of the above analysis system The group 30 and the comparison analysis module 40 perform analysis, and the analysis method includes the following steps in order:

Establish standard information S1: In the index analysis module 10 of the computer device, distinguish the quality characteristics of the plural product analysis items that need to be analyzed according to the lamp products, and write evaluation index information corresponding to each quality characteristic, and the index analysis The module 10 draws a capability analysis chart based on the evaluation index information, and the capability analysis chart is provided with a standard capability area A.

Product variable conversion standardization S2: collect the information of the plural product analysis items to be analyzed for the lamp products, and input the information of each product analysis item into the data calculation module 20, and the data calculation module 20 calculates the information of each product analysis item into information Standardized coordinates.

Comparison chart S3: In the follow-up, the indicator integration module 30 receives the standardized coordinates of each piece of information and aggregates them in the capability analysis chart accordingly.

Analysis and judgment S4: Finally, the comparison analysis module 40 evaluates the distribution of each information standardization coordinate on the capability analysis chart, and determines whether each information standardization coordinate is located in the standard capability area A, and provides quality control personnel as a product for analyzing lamp products Analyze the process quality of the project to improve the credibility of judging the quality level of the process products.

Many improvements and changes to those skilled in the art obviously do not depart from the scope and spirit of the present invention. The description and examples are only illustrative, and the true scope and spirit of the present invention will be indicated in the following patent applications.

100: Analysis system of manufacturing capability of automotive lamp products 40: Comparison analysis module 10: Index analysis module S1: Create standard information 11: Standard unit of quality characteristics S2: Product variable conversion standardization 12: Chart integration unit S3: Comparison chart 20: Data calculation module S4: Analysis and judgment 30: Indicator integration module A: Standard competence area

FIG. 1 is a system architecture diagram of the present invention. Figure 2 is an analysis diagram of the implementation capability of the invention. Fig. 3 is an analysis flowchart of the present invention.

100: Analysis system of manufacturing capability of automotive lamp products

10: Index analysis module

11: Standard unit of quality characteristics

12: Chart integration unit

20: Data calculation module

30: Indicator integration module

40: Comparison analysis module

Claims (10)

An analysis system for manufacturing capability of automotive lamp products, including: 　　 an index analysis module, which distinguishes a quality characteristic of a plurality of product analysis items to be analyzed based on an automotive lamp product, and writes a corresponding one for each quality characteristic Evaluation index information, and the index analysis module draws a capability analysis chart based on the evaluation index information, the capability analysis chart having an abscissa representing the average value of the evaluation index information and a vertical coordinate representing the standard of the evaluation index information Poor, and a standard capability area is set in the capability analysis chart; 　　 a data calculation module, which is coupled to the index analysis module, the data calculation module receives the plural product analysis item information that the car lamp product wants to analyze , And the data calculation module uses the calculation process of the evaluation index information to calculate the information standardization coordinates of each product analysis item information respectively with an information average and an information standard deviation; 　　 an index integration module, which is coupled Connected to the data calculation module, the index integration module receives each of the information standardized coordinates and correspondingly aggregates the capability analysis chart; and a comparison analysis module, which is coupled to the index integration module, the comparison analysis The module evaluates the distribution of each of the information standardized coordinates on the capability analysis chart to determine whether each of the information standardized coordinates is located in the standard capability area. The analysis system of the manufacturing capability of the automotive lamp product as described in claim 1, wherein the automotive lamp product is screened out through a sixteen standard deviation method for each of the product analysis items and the corresponding evaluation of the quality characteristics. The product analysis items include Light focus, color temperature, watt power, effective luminosity, and power consumption. These quality characteristics include Wangbu quality characteristics, Wangda quality characteristics, and Wangxiao quality characteristics. The analysis system for the manufacturing capability of automotive lamp products as described in claim 2, wherein the indicator analysis module has a quality characteristic standardization unit that distinguishes the analysis requirements of these product analysis items for each quality characteristic ; Among them, the product analysis items of optical focus, color temperature, and watt power are classified as Wangmu quality characteristics; the product analysis items of effective light intensity are classified as Wangda quality characteristics; and the product analysis items of power consumption are classified as Wang Small quality characteristics, and the quality characteristic standardization unit converts each evaluation index information of the quality characteristics into a quality standard coordinate. The analysis system for the manufacturing capability of automotive lamp products as described in claim 3, wherein the indicator analysis module further has a graph integration unit that draws the capability analysis graph according to each quality standard coordinate, and each quality The standard coordinates are located at (+1.00, 0.00), (-1.00, 0.00) and (0.00, +0.2 to +0.4), and these quality standard coordinates are connected to form the standard capability area. The analysis system of the manufacturing capability of the automobile lamp product as described in claim 1, wherein each product analysis item information includes the manufacturing process information of the automobile lamp product, the machine parameters of the automobile lamp product, the tolerance specifications of each quality characteristic and Measurement data, the data calculation module performs standardized calculation through the product analysis item information of the tolerance specification, and converts it into the standardized coordinate of the information. An analysis method of the manufacturing capability of a car lamp product, which includes the following steps in sequence: 　　Create standard information: In an index analysis module of a computer device, the plural product analysis items to be analyzed are distinguished according to a car lamp product A quality characteristic, and an evaluation index information is written corresponding to each quality characteristic, and the index analysis module draws a capability analysis chart based on the evaluation index information, and the capability analysis chart has an abscissa representing the average of the evaluation index information The value and a vertical coordinate are expressed as the standard deviation of the evaluation index information, and a standard capability area is provided in the capability analysis chart; 　　 Product variable conversion standardization: collect the multiple product analysis item information to be analyzed for the car lamp product, and will Each of the analysis item information is input to a data calculation module of the computer device, and the data calculation module uses the calculation process of the evaluation index information to calculate the information analysis item information of each product into an information standardized coordinate with an information average value and An information standard deviation; 　　 comparison chart: an index integration module of the computer device receives the standardized coordinates of the information, and aggregates the information analysis chart according to the average value of the information and the standard deviation of the information; and Analysis and judgment: a comparison and analysis module of the computer device evaluates the distribution of each of the information standardized coordinates on the capability analysis chart, and determines whether each of the information standardized coordinates is located in the standard capability area for analysis of the car lamp product Process quality of project information. The method for analyzing the manufacturing capability of a car lamp product as described in claim 6, wherein, in the step of creating standard information, the car lamp product is screened out by the sixteen standard deviation method for each of the product analysis items and the corresponding evaluation of the quality Characteristics, these product analysis items include light focus, color temperature, watt power, effective luminosity, and power consumption. These quality characteristics include Wangmu quality characteristics, Wangda quality characteristics and Wangxiao quality characteristics. The method for analyzing the manufacturing capability of automotive lamp products as described in claim 7, wherein in the step of creating standard information, a quality characteristic standardization unit of the index analysis module distinguishes the analysis needs of these product analysis items Quality characteristics; wherein, the product analysis items of light focus, color temperature, and watt power are classified as Wangmu quality characteristics; the product analysis items of effective light intensity are classified as Wangda quality characteristics; and the product analysis items of power consumption are classified In order to achieve a small quality characteristic, the quality characteristic standardization unit converts the evaluation index information of each quality characteristic into a quality standard coordinate. The method for analyzing the manufacturing capability of a car lamp product according to claim 8, wherein in the step of creating standard information, a graph integration unit of the index analysis module draws the capability analysis graph according to each quality standard coordinate, and each The quality standard coordinates are located at (+1.00, 0.00), (-1.00, 0.00) and (0.00, +0.2 to +0.4), and each of the quality standard coordinates is connected to form the standard capability area. The analysis method of the manufacturing capability of the automotive lamp product as described in claim 6, wherein, in the product variable conversion standardization step, each product analysis item information includes manufacturing process information before the automotive lamp product, manufacturing process machine parameters of the automotive lamp product, Tolerance specifications and measurement data for each of the quality characteristics, the data calculation module performs standardized calculations through the product analysis item information of the tolerance specifications, and converts them into standardized coordinates of the information.

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