TWI818737B - Production line critical process failure mode and failure tree risk probability assessment system and method - Google Patents
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Abstract
本發明係揭露一種產線關鍵製程故障模式與失效樹風險機率評估系統及方法,其包括資訊處理模組。資訊處理模組建置包含有故障模式與失效分析模組(FMEA)、失誤樹風險機率計算模組(FTA)、大數據擷取模組、期望成本分析模組及最適成本分析模組。故障模式與失效分析模組依據大數據擷取模組所擷取之數據計算出產線的複數關鍵製程,並將各關鍵製程依序導入失誤樹風險機率計算模組中,以由失誤樹風險機率計算模組進行評估,並追蹤各關鍵製程的各可能故障製程步驟而進行風險機率模式決策失效運算,以評估出產線於失效下產生不良品的風險機率資訊,並以風險機率資訊作為將高風險之關鍵製程進行分散或重新規劃的依據,俾能運用故障模式與失效分析找出關鍵製程後導入失誤樹以評估失效下產生不良品潛在的損失機率與損失成本。並結合每一關鍵製程的可能故障製程步驟之預定改善成本資訊,而評估出各關鍵製程的可能故障製程步驟的改善期望成本資訊之大小資訊,再依大小資訊的大小順序而產生關鍵製程之優先改善順序的資訊。 The present invention discloses a system and method for assessing the risk probability of failure modes and failure trees of key processes in a production line, which includes an information processing module. The information processing module configuration includes failure mode and failure analysis module (FMEA), fault tree risk probability calculation module (FTA), big data acquisition module, expected cost analysis module and optimal cost analysis module. The failure mode and failure analysis module calculates multiple key processes of the production line based on the data captured by the big data capture module, and imports each key process into the error tree risk probability calculation module in order to calculate the risk probability from the error tree. The calculation module evaluates and tracks each possible failure process step of each key process to perform risk probability model decision-making failure calculations to evaluate the risk probability information of the production line producing defective products under failure, and use the risk probability information as a basis to reduce high risk The basis for decentralizing or re-planning key processes, so that failure modes and failure analysis can be used to identify key processes and then import error trees to assess the potential loss probability and cost of defective products due to failure. And combined with the expected improvement cost information of the possible failure process steps of each key process, the size information of the improvement expected cost information of the possible failure process steps of each key process is evaluated, and then the priority of the key process is generated according to the order of the size information. Improve sequence information.
Description
本發明係有關一種產線關鍵製程故障模式與失效樹風險機率評估系統及方法,尤指一種可以利用故障模式與失效分析找出關鍵製程後導入失誤樹以評估失效下產生不良品潛在之損失機率與損失成本的製程模式失效分析技術。 The present invention relates to a system and method for evaluating the risk probability of failure modes and failure trees of key processes in a production line. In particular, it relates to a system and method that can use failure modes and failure analysis to find out key processes and then introduce a fault tree to evaluate the potential loss probability of defective products due to failure. Process mode failure analysis technology with loss cost.
依據所知,失效模式與效應分析(FMEA;Failure Mode and Effects Analysis)主要是應用在生產產品之製程分析其步驟與過程,採取預先防範以防止生產程序有操作失誤造成產品不良發生,此系統化運用統計可靠度機率分析模式,預先了解極大機率可能衍生故障不良失效主因,進而了解不良失效潛在因素,提出解決與改良因應方式。總體而言,不論研發設計或製程加工或產品生產過程,經由故障模式與失效分析來提升其可靠性,藉以降低往後可能工程設計變更或製程改善所衍生成本,於是藉此提升各項程序可靠度,降低失效後的改善成本。若以「設計FMEA」可運用於開發階段進行預先評估,而「製程FMEA」則在進行大量生產前,可預先規劃,防範設備故障失效,甚至造成人員操作上職業災害產生,找出主關鍵因素以降低成本這部分為探討重點。 According to what we know, Failure Mode and Effects Analysis (FMEA) is mainly used to analyze the steps and processes of the manufacturing process of products, and take precautions to prevent product defects caused by operational errors in the production process. This is systematic Use the statistical reliability probability analysis model to understand in advance the main causes of malfunctions that are likely to cause malfunctions with great probability, and then understand the potential factors of malfunctions and propose solutions and improvements. Generally speaking, regardless of R&D design or process processing or product production process, failure mode and failure analysis is used to improve its reliability, so as to reduce the costs derived from possible engineering design changes or process improvements in the future, thus improving the reliability of various procedures. degree and reduce the cost of improvement after failure. If "Design FMEA" can be used in the development stage for pre-assessment, "Process FMEA" can be used for pre-planning before mass production to prevent equipment failure and even occupational disasters in personnel operations and identify the main key factors. Focusing on cost reduction.
目前針對失效模式與效應分析(FMEA)應用在各項產業皆已使用此方法如製造業(尤其是車輛製造產業、航空產業、工具機產業、五金工具業等),均已廣泛運用。至於設計FMEA針對各種研發設計如設備開發、 自動化產線設計、新產品概念設計先前打樣模型製作等等,進行各步驟分析,期望能預先找出最大可能潛在失效分險並以擬定防範或改進措施,以提升設備導入或產品開發之可靠度,並能降低失敗的成本損失風險。上述功能在預防萬一產品不良、機構設計失物,衍生之投入原料或重工或報廢甚至於銷售以及影響商譽的成本。此在正式量產產品前若能預先或降低潛在問題,則對日後衍生問題將可產生極大的節省成本等。此關鍵製程決定一般以風險優先度(RPN)指標來決定此優先改善的順序。 Currently, this method has been used in various industries such as the manufacturing industry (especially the vehicle manufacturing industry, aviation industry, machine tool industry, hardware tool industry, etc.) for the application of Failure Mode and Effect Analysis (FMEA). It has been widely used. As for design FMEA, it is aimed at various R&D designs such as equipment development, Automated production line design, new product conceptual design, and pre-prototype model production, etc., conduct analysis of each step, hoping to find out the most likely potential failure risks in advance and formulate preventive or improvement measures to improve the reliability of equipment introduction or product development. , and can reduce the cost and risk of failure. The above-mentioned functions are used to prevent the cost of inputting raw materials or reprocessing or scrapping or even sales and affecting goodwill in the event of defective products or loss of mechanical design. If potential problems can be prevented or reduced before the official mass production of products, it will lead to great cost savings for future derivative problems. This critical process decision generally uses the risk priority (RPN) indicator to determine the order of priority improvement.
此外,失誤樹分析即(故障樹分析)(FTA)是一種以機率為基礎結合邏輯閘之聯集與交集之演繹推導演算法,由最終系統結構化的展開從最母層展到最子層,藉由各項獨立事件的串聯(且)關係與各項獨立事件的並聯(或)關係,整合計算其可能系統的失效機率模式。另外失效模式與影響分析(FMEA)是屬於歸納彙整之演算法,藉由經驗值推估出重要度、發生頻率與、可偵測度表後,先將系統分解成各子項系統然以機率模式,計算出各子系統之風險優先度,分析子系統之元素或零件可能功能失誤機率產生的影響,是結構化的由子層擴展到母層。兩者差異在於故障樹分析是進行系統故障分析時,藉由各獨立事件關聯性找出系統風險機率,無法獨立計算子層單獨影響系統的初始故障機率。反觀失效模式與影響分析,則可以列出各子層所有的初始故障機率,但是無法合併計算各子層的交互關聯性,而推估合併到母層關係。前者FTA是整體系統評估概念,後者FMEA是各子系統評估概念。因此將兩者進行合併運用,即可進行降低預防失效風險成本因素,由整體風險評估進而推估到局部風險評估。 In addition, fault tree analysis (Fault Tree Analysis) (FTA) is a deductive derivation algorithm based on probability that combines the union and intersection of logic gates. It starts from the structural expansion of the final system from the mother layer to the child layer. , through the series (and) relationship of each independent event and the parallel (or) relationship of each independent event, the failure probability mode of the possible system is integrated and calculated. In addition, Failure Mode and Effect Analysis (FMEA) is an algorithm of induction. After estimating the importance, frequency of occurrence and detectability table through empirical values, the system is first decomposed into sub-systems and then the probability is calculated. The model calculates the risk priority of each subsystem and analyzes the impact of the possible functional failure probability of elements or parts of the subsystem. It is structured and extended from the sub-layer to the parent layer. The difference between the two is that fault tree analysis uses the correlation of independent events to find out the system risk probability when performing system failure analysis. It cannot independently calculate the initial failure probability of sub-layers that individually affect the system. Looking back at the failure mode and impact analysis, all the initial failure probabilities of each sub-layer can be listed, but the interaction correlations of each sub-layer cannot be combined and calculated, and the relationship between the merged to the parent layer cannot be estimated. The former FTA is the overall system assessment concept, and the latter FMEA is the subsystem assessment concept. Therefore, by combining the two, we can reduce the cost factors of prevention failure risk, and then extrapolate from the overall risk assessment to the local risk assessment.
再者,隨著工件往微小化與精度需求高的方向發展緣故,使得各種產線的加工精度與速度要求亦日趨嚴格。雖然隨著精密機械及智慧產線產業的迅速發展,使得製程設備的出貨量年年攀高, 許多家廠商希望能夠搶得先機,也相對投入為數不少的研發成本;然而,在提升加工質量與穩定性上,卻一直無法進一步突破技術上的瓶頸。追究原因,技術上的瓶頸則是,習知製程設備並無一套可以整合製程模式與故障失效分析等技術的建置,以致無法使產線的生產成本達到最佳化之決策目的,除了無法有效降低未來損失成本與生產風險之外,還會降低產線的品質良率,因而造成產線於生產時的不便與困擾的情事產生。因此,如何開發出一種可以整合關鍵製程故障與失誤樹風險機率評估技術使生產成本達到最佳化決策的產線技術,實已成為相關技術領域業者所亟欲解決與挑戰的技術課題。 Furthermore, with the development of workpieces becoming miniaturized and requiring high precision, the processing accuracy and speed requirements of various production lines have become increasingly stringent. Although the rapid development of precision machinery and smart production line industries has caused the shipment volume of process equipment to increase year by year, Many manufacturers hope to seize the opportunity and have invested a lot of research and development costs; however, they have been unable to further break through the technical bottleneck in improving processing quality and stability. Investigating the reason, the technical bottleneck is that the conventional process equipment does not have a set of technologies that can integrate process models and fault failure analysis, so that the production cost of the production line cannot be optimized for decision-making purposes. In addition to being unable to In addition to effectively reducing future loss costs and production risks, it will also reduce the quality yield of the production line, thus causing inconvenience and trouble during production. Therefore, how to develop a production line technology that can integrate key process faults and error tree risk probability assessment technology to optimize production costs has become a technical issue that industry players in related technical fields are eager to solve and challenge.
有鑑於此,上述習知技術確實皆未臻完善,仍有再改善的必要性,而且基於相關產業的迫切需求之下,本發明人乃經不斷的努力研發之下,終於研發出一套有別於上述習知技術與前揭專利的本發明。 In view of this, the above-mentioned conventional technologies are indeed not perfect, and there is still a need for further improvement. Moreover, based on the urgent needs of related industries, the inventor has finally developed an effective set of technology through continuous efforts in research and development. The present invention is different from the above-mentioned conventional technologies and previously disclosed patents.
本發明第一目的,在於提供一種產線關鍵製程故障模式與失效樹風險機率評估系統及方法,主要是可以運用故障模式與失效分析找出關鍵製程後導入失誤樹以評估失效下產生不良品潛在的損失機率與損失成本,使產線的生產成本達到最佳化決策目的與降低生產風險。達成前述第一目的之技術手段,係包括資訊處理模組。資訊處理模組建置包含有故障模式與失效分析模組(FMEA)及失誤樹風險機率計算模組(FTA)。故障模式與失效分析模組(FMEA)包括有數據歸建可能故障製程步驟模組,大數據擷取模組包括有產線端大數據擷取模組。於產線的製造過程中,運用故障模式與失效分析模組)來計算出產線的複數關鍵製程。將各關鍵製程依序導入失誤樹風險機率計算模組中,以由失誤樹風險機率計算模組進行 評估,並追蹤各關鍵製程的各可能故障製程步驟而進行風險機率模式決策失效運算,以評估出產線於失效下產生不良品的風險機率資訊,並以風險機率資訊作為將高風險之關鍵製程進行分散或重新規劃的依據。其中,更包括有大數據擷取模組、期望成本分析模組及最適成本分析模組,故障模式與失效分析模組(FMEA)包括有數據歸建可能故障製程步驟模組,大數據擷取模組包括產線端大數據擷取模組,產線端大數據擷取模組擷取產線的複數關鍵製程之複數個製程數據,數據歸建可能故障製程步驟模組依據複數個製程數據而歸建出每一關鍵製程的可能故障製程步驟,產線端大數據擷取模組用以擷取一資料庫中每一該複數關鍵製程的可能故障製程步驟之預定改善成本資訊,期望成本分析模組依據每一該複數關鍵製程的可能故障製程步驟之預定改善成本資訊而評估出每一該可能故障製程步驟的改善期望成本資訊;及該最適成本分析模組依據每一該可能故障製程步驟的改善期望成本資訊而評估出該複數關鍵製程的可能故障製程步驟的改善期望成本資訊之大小資訊,並依該大小資訊的大小順序而產生該複數關鍵製程之優先改善順序的資訊。 The first object of the present invention is to provide a system and method for evaluating the risk probability of failure modes and failure trees of key processes in a production line. The main purpose is to use failure modes and failure analysis to find out the key processes and then introduce the failure tree to evaluate the potential of defective products due to failure. The loss probability and loss cost enable the production line's production cost to achieve optimal decision-making purposes and reduce production risks. The technical means to achieve the first purpose mentioned above include information processing modules. The information processing module configuration includes the failure mode and failure analysis module (FMEA) and the fault tree risk probability calculation module (FTA). The failure mode and failure analysis module (FMEA) includes a module with data to build possible faulty process steps, and the big data acquisition module includes a production line-side big data acquisition module. During the manufacturing process of the production line, failure mode and failure analysis modules are used to calculate multiple key processes of the production line. Import each key process into the error tree risk probability calculation module in order, and then the error tree risk probability calculation module will Evaluate and track the possible failure process steps of each key process to perform risk probability model decision-making and failure calculations to evaluate the risk probability information of the production line producing defective products due to failure, and use the risk probability information as a basis to identify high-risk key processes. Basis for decentralization or replanning. Among them, it also includes a big data acquisition module, an expected cost analysis module and an optimal cost analysis module. The failure mode and failure analysis module (FMEA) includes a data mapping module for possible faulty process steps. Big data acquisition The module includes a production line-side big data capture module. The production line-side big data capture module captures a plurality of process data of a plurality of key processes of the production line. The data classification module builds possible faulty process steps based on the plurality of process data. Then, the possible failure process steps of each key process are built, and the production line-side big data acquisition module is used to retrieve the scheduled improvement cost information of the possible failure process steps of each of the plurality of key processes in a database, and the expected cost The analysis module evaluates the expected improvement cost information of each possible failure process step of each of the plurality of critical processes based on the scheduled improvement cost information of the possible failure process steps; and the optimal cost analysis module evaluates the expected improvement cost information of each of the possible failure process steps based on each of the possible failure processes. The step improvement expected cost information is used to evaluate the size information of the improvement expected cost information of the possible faulty process steps of the plurality of critical processes, and information on the priority improvement order of the plurality of critical processes is generated according to the order of the size information.
本發明第二目的,在於提供一種可將高風險製程進行分散或重新規劃而降低未來損失成本的產線關鍵製程故障模式與失效樹風險機率評估系統及方法,主要是可以運用故障模式與失效分析找出關鍵製程後導入失誤樹以評估失效下產生不良品潛在的損失機率與損失成本,使產線的生產成本達到最佳化決策目的與降低生產風險。達成前述第二目的之技術手段,係包括資訊處理模組。資訊處理模組建置包含有故障模式與失效分析模組(FMEA)及失誤樹風險機率計算模組(FTA)。於產線的製造過程中,運用故障模式與失效分析模組)來計算出產線的複數關鍵製程。將各關 鍵製程依序導入失誤樹風險機率計算模組中,以由失誤樹風險機率計算模組進行評估,並追蹤各關鍵製程的各可能故障製程步驟而進行風險機率模式決策失效運算,以評估出產線於失效下產生不良品的風險機率資訊,並以風險機率資訊作為將高風險之關鍵製程進行分散或重新規劃的依據。其中,該資訊處理模組更包含一決策回饋模組,該決策回饋模組用以將高風險的該關鍵製程進行分散或重新規劃的計算,以得到重建該關鍵製程的決策資訊。 The second purpose of the present invention is to provide a system and method for risk probability assessment of key process failure modes and failure trees of production lines that can disperse or re-plan high-risk processes and reduce future loss costs. Mainly, failure modes and failure analysis can be used After identifying the key processes, the error tree is introduced to evaluate the potential loss probability and loss cost of defective products due to failure, so that the production cost of the production line can be optimized for decision-making purposes and production risks can be reduced. The technical means to achieve the aforementioned second purpose include information processing modules. The information processing module configuration includes the failure mode and failure analysis module (FMEA) and the fault tree risk probability calculation module (FTA). During the manufacturing process of the production line, failure mode and failure analysis modules are used to calculate multiple key processes of the production line. close all Key manufacturing processes are sequentially imported into the error tree risk probability calculation module for evaluation, and each possible failure process step of each key process is tracked to perform risk probability model decision failure calculations to evaluate the production line. Information on the risk probability of defective products due to failure, and use the risk probability information as a basis for decentralizing or re-planning high-risk key processes. Among them, the information processing module further includes a decision feedback module, which is used to perform decentralized or re-planned calculations on the high-risk key process to obtain decision information for rebuilding the key process.
本發明第三目的,在於提供一種可以整合產線端及使用端數據而更精準地評估出關鍵製程的可能故障製程步驟之優先改善順序之產線關鍵製程故障模式與失效樹風險機率評估系統及方法。達成前述第三目的之技術手段,除了二段目的之基本技術特徵之外,該大數據擷取模組更包括一使用端大數據擷取模組;以該使用端大數據擷取模組擷取至少一使用端的複數個產品使用失效數據;以該數據歸建可能故障製程步驟模組接收該複數個產品使用失效數據並結合該產線的該複數個製程數據而歸建出該產線的該複數關鍵製程及每一該複數關鍵製程的可能故障製程步驟。 The third object of the present invention is to provide a production line key process failure mode and failure tree risk probability assessment system that can integrate production line end and user end data to more accurately evaluate the priority improvement order of possible failure process steps of key processes. method. The technical means to achieve the third purpose mentioned above, in addition to the basic technical features of the second stage of the purpose, the big data acquisition module also includes a user-side big data acquisition module; using the user-side big data acquisition module to acquire Obtain a plurality of product failure data of at least one user end; use the data to construct a possible faulty process step module. The module receives the plurality of product failure data and combines the plurality of process data of the production line to construct the production line. The plurality of critical processes and possible faulty process steps of each of the plurality of critical processes.
本發明第四目的,在於提供一種應用產線關鍵製程故障模式與失效樹風險機率評估系統及方法的扳手產線失效分析方法。達成前述第四目的之技術手段,係包括資訊處理模組。資訊處理模組建置包含有故障模式與失效分析模組(FMEA)及失誤樹風險機率計算模組(FTA)。於產線的製造過程中,運用故障模式與失效分析模組)來計算出產線的複數關鍵製程。將各關鍵製程依序導入失誤樹風險機率計算模組中,以由失誤樹風險機率計算模組進行評估,並追蹤各關鍵製程的各可能故障製程步驟而進 行風險機率模式決策失效運算,以評估出產線於失效下產生不良品的風險機率資訊,並以風險機率資訊作為將高風險之關鍵製程進行分散或重新規劃的依據。其中,係程產線的製造過程中,以該故障模式與失效分析模組(FMEA)計算出該扳手產線線的一第一關鍵製程、一第二關鍵製程、一第三關鍵製程及一第四關鍵製程,該第一關鍵製程包含加熱、初鍛、精鍛及裁切等可能故障製程步驟,該第二關鍵製程包含成型、滾筒、退火及沖拉等可能故障製程步驟,該第三關鍵製程包含車銑、研磨、熱處理及刻字等可能故障製程步驟,該第四關鍵製程包含電鍍、噴砂、組裝及整直等可能故障製程步驟;將該第一關鍵製程至該第四關鍵製程依序導入該失誤樹風險機率計算模組(FTA)中,以由該失誤樹風險機率計算模組(FTA)進行評估並追蹤該第一關鍵製程至該第四關鍵製程的各可能故障製程步驟進行風險機率模式決策失效運算,以評估出該扳手產線於失效下產生不良品的該風險機率資訊。 The fourth object of the present invention is to provide a wrench production line failure analysis method that applies the critical process failure mode and failure tree risk probability assessment system and method of the production line. The technical means to achieve the aforementioned fourth purpose include information processing modules. The information processing module configuration includes the failure mode and failure analysis module (FMEA) and the fault tree risk probability calculation module (FTA). During the manufacturing process of the production line, failure mode and failure analysis modules are used to calculate multiple key processes of the production line. Introduce each key process into the error tree risk probability calculation module in order, and then conduct the assessment by the error tree risk probability calculation module and track the possible failure process steps of each key process. Perform risk probability model decision-making failure calculation to evaluate the risk probability information of the production line producing defective products under failure, and use the risk probability information as the basis for decentralizing or re-planning high-risk key processes. Among them, during the manufacturing process of the wrench production line, the failure mode and failure analysis module (FMEA) was used to calculate a first critical process, a second critical process, a third critical process and a third critical process of the wrench production line. The fourth critical process, the first critical process includes heating, preliminary forging, precision forging and cutting and other possible faulty process steps, the second critical process includes possible faulty process steps such as forming, roller, annealing and punching, the third critical process includes The key process includes possible failure process steps such as turning and milling, grinding, heat treatment, and engraving. The fourth critical process includes possible failure process steps such as electroplating, sandblasting, assembly, and straightening. The first critical process to the fourth critical process are based on The program is imported into the error tree risk probability calculation module (FTA), so that the error tree risk probability calculation module (FTA) evaluates and tracks each possible failure process step from the first critical process to the fourth critical process. The risk probability model determines the failure calculation to evaluate the risk probability information of the wrench production line producing defective products under failure.
10:資訊處理模組 10:Information processing module
11:故障模式與失效分析模組(FMEA) 11: Failure Mode and Failure Analysis Module (FMEA)
12:失誤樹風險機率計算模組(FTA) 12: Failure tree risk probability calculation module (FTA)
13:決策回饋模組 13: Decision feedback module
14:大數據擷取模組 14:Big data acquisition module
140:產線端大數據擷取模組 140:Production line-side big data capture module
141:使用端大數據擷取模組 141:User-side big data acquisition module
15:期望成本分析模組 15:Expected cost analysis module
16:最適成本分析模組 16: Optimal cost analysis module
17:TRIZ評估模組 17:TRIZ evaluation module
20:產線 20:Production line
30:第一邏輯閘運算 30: First logic gate operation
31:第二邏輯閘運算 31: Second logic gate operation
32:第三邏輯閘運算 32: The third logic gate operation
圖1係本發明系統實施架構的具體示意圖。 Figure 1 is a specific schematic diagram of the implementation architecture of the system of the present invention.
圖2係本發明實施的一種流程架構示意圖。 Figure 2 is a schematic diagram of a process architecture for the implementation of the present invention.
圖3係本發明具體實施之失誤樹風險機率計算模組建置步驟的示意圖。 Figure 3 is a schematic diagram of the steps of setting up the error tree risk probability calculation module in a specific implementation of the present invention.
圖4係本發明應用實施之失誤樹風險機率計算模組建置步驟的示意圖。 Figure 4 is a schematic diagram of the steps of setting up the error tree risk probability calculation module in the application implementation of the present invention.
圖5係本發明應用於手工具扳手製程計算失誤樹風險機率的實施示意圖。 Figure 5 is a schematic diagram of the implementation of the present invention in calculating error tree risk probability in a hand tool wrench manufacturing process.
圖6係本發明以故障模式與失效分析模組輸出之關鍵製程導入失誤樹風險機率計算模組的具體流程實施示意圖。 Figure 6 is a schematic diagram of the specific implementation process of using the key processes output by the failure mode and failure analysis module to import the error tree risk probability calculation module according to the present invention.
圖7係本發明以故障模式與失效分析模組輸出之關鍵製程導入失誤樹風險 機率計算模組的系統架構示意圖。 Figure 7 shows the key process introduction error tree risk based on the failure mode and failure analysis module output of the present invention. Schematic diagram of the system architecture of the probability calculation module.
為讓 貴審查委員能進一步瞭解本發明整體的技術特徵與達成本發明目的之技術手段,玆以具體實施例並配合圖式加以詳細說明如下:請配合參看圖1~2所示,為達成本發明第一目的之第一實施例,係包括一資訊處理模組10,該資訊處理模組10建置包含有一故障模式與失效分析模組(FMEA)11及一失誤樹風險機率計算模組(FTA)12;本發明主要係於一產線20的製造過程中,運用故障模式與失效分析模組(FMEA)11來計算出產線20的複數關鍵製程及每一關鍵製程的可能故障製程步驟,接著,將複數關鍵製程依序導入失誤樹風險機率計算模組(FTA)12中,以由失誤樹風險機率計算模組(FTA)12進行評估,並追蹤複數關鍵製程的各可能故障製程步驟而進行風險機率模式決策失效運算,以評估出該產線20於失效下產生不良品的風險機率資訊,並以風險機率資訊作為將高風險之關鍵製程進行分散或重新規劃的依據。具體的,該風險機率資訊可以是失誤風險機率以及不良品潛在損失成本的其中一種資訊。其中,本發明技術特徵,更提供包括有一大數據擷取模組14、一期望成本分析模組15及一最適成本分析模組16;該故障模式與失效分析模組(FMEA)包括有一數據歸建可能故障製程步驟模組;該大數據擷取模組14包括一產線端大數據擷取模組140;以該產線端大數據擷取模組140擷取該產線的該複數關鍵製程之複數個製程數據;以該數據歸建可能故障製程步驟模組接收該產線端大數據擷取模組140所擷取的該產線的該複數個製程數據,並依據該複數個製程數據而歸建出該產線的該複數關鍵製程及每一該複數關鍵製程的
可能故障製程步驟;以該產線端大數據擷取模組140於一資料庫中擷取每一該複數關鍵製程的可能故障製程步驟之預定改善成本資訊;該期望成本分析模組15依據該產線端大數據擷取模組140所擷取每一該複數關鍵製程的可能故障製程步驟之預定改善成本資訊,而評估出每一該可能故障製程步驟的改善期望成本資訊;及以該最適成本分析模組16依據每一該可能故障製程步驟的改善期望成本資訊而評估出該複數關鍵製程的可能故障製程步驟的改善期望成本資訊之大小資訊,並依該大小資訊的大小順序而產生該複數關鍵製程之優先改善順序的資訊。利用大數據擷取模組14的產線端大數據擷取模組140擷取產線的關鍵製程之複數個製程數據(例如加工機具的加工條件參數,加工機加工狀態的感測參數:例如電流、溫度、振動等感測訊號所產生參數)。如圖1所示,本發明較佳的實施例中,該故障模式與失效分析模組(FMEA)更結合有TRIZ評估模組17,用以分析出一產線的複數關鍵製程及每一該複數關鍵製程的可能故障製程步驟,其中,TRIZ評估模組17的應用技術如中華民國第I643145專利案於詳細說明中所陳述的技術,或是如中華民國第I627597專利案於詳細說明所陳述及申請專利範圍中所界定的技術。
In order to allow your review committee to further understand the overall technical characteristics of the present invention and the technical means to achieve the purpose of the present invention, specific embodiments are described in detail with the drawings as follows: Please refer to Figures 1 to 2. In order to achieve the purpose of the present invention, A first embodiment of the first object of the invention includes an
請配合參看圖1所示,為達成本發明第二目的之第二實施例,本實施例除了包括上述第一實施例的整體技術內容之外,該資訊處理模組10更包含一決策回饋模組13,該決策回饋模組13用以將高風險的關鍵製程進行分散或重新規劃的計算,以得到重建關鍵製程的決策資訊。
Please refer to FIG. 1 . In order to achieve the second purpose of the present invention, the second embodiment of the present invention includes, in addition to the overall technical content of the above-mentioned first embodiment, the
請配合參看圖1所示,為達成本發明第三目的之第二實施例,即本發明一種更佳實施例,係該大數據擷取模組14更包括一使用端大數據擷取模組141;以該使用端大數據擷取模組141擷取至少一使
用端的複數個產品使用失效數據;以該數據歸建可能故障製程步驟模組接收該複數個產品使用失效數據並結合該產線的該複數個製程數據而歸建出該產線的該複數關鍵製程及每一該複數關鍵製程的可能故障製程步驟。亦即,本較佳實施例中,大數據擷取模組14除了包括有產線端大數據擷取模組140之外,更包括有使用端大數據擷取模組141,使得數據歸建可能故障製程步驟模組整合該複數個產品使用失效數據以及產線的複數個製程數據而得以更準確地歸建出該產線的該複數關鍵製程及每一複數關鍵製程的可能故障製程步驟。
Please refer to FIG. 1 . In order to achieve the third purpose of the present invention, the second embodiment, that is, a better embodiment of the present invention, is that the big data acquisition module 14 further includes a client big data acquisition module. 141; Use the client big
具體的,本實施例為基於上述第一實施例中的故障模式與失效分析模組(FMEA)11做具體應用的第一應用實施例,該故障模式與失效分析模組(FMEA)11係以風險優先係數法(RPN)來計算出該產線20的複數關鍵製程及每一關鍵製程的各可能故障製程步驟,該風險優先係數法(RPN)的關係式表示為:RPN=O×D×S,其中,O為發生頻度,表示故障發生的機率;D為檢出難易度,表示製程產製之產品發生故障而不被察覺出來的機會或檢測的難易程度;S為嚴重度,表示製程產製之產品發生故障所引發的後果或機會成本。
Specifically, this embodiment is a first application embodiment based on the failure mode and failure analysis module (FMEA) 11 in the first embodiment. The failure mode and failure analysis module (FMEA) 11 is based on The risk priority coefficient method (RPN) is used to calculate the multiple key processes of the
舉例說明,重要度(S)的一種應用實施則如表一所示:表一 重要度(S)
舉例說明,發生頻度(O)的一種應用實施則如表二所示:
舉例說明,檢出難易度(D)的一種應用實施則如表三所示:
具體的,本實施例為基於上述第一實施例中的故障模式與失效分析模組(FMEA)11做具體應用的第二應用實施例,該故障模式與失效分析模組(FMEA)11係以關鍵性分析與關鍵性矩陣法來計算出該產線20的複數
關鍵製程及每一關鍵製程的各可能故障製程步驟,零組件失效模式的關鍵度值Cr可由零組件中所有失效模式的關鍵性值(Cm)加總而得,該關鍵性分析與關鍵性矩陣法的關係式表示為:,其中n為零組件同一嚴重等級失效模式的數目,Cm=β α λpt。在Cm中的各項因子為,β為失效效應機率;α為失效模式比);λp為零件失效率;t為零件的作業時間。
Specifically, this embodiment is a second application embodiment based on the specific application of the failure mode and failure analysis module (FMEA) 11 in the first embodiment. The failure mode and failure analysis module (FMEA) 11 is based on Criticality analysis and criticality matrix method are used to calculate the plurality of critical processes of the
請配合參看圖3、6所示,本實施例為基於上述第一實施例中的失誤樹風險機率計算模組(FTA做具體應用載述的第三應用實施例,該失誤樹風險機率計算模組(FTA)12包含一失誤樹風險機率計算模組(FTA)建置步驟,其包括下列步驟: Please refer to Figures 3 and 6. This embodiment is a third application embodiment based on the specific application of the error tree risk probability calculation module (FTA) in the first embodiment. The error tree risk probability calculation module Group (FTA) 12 includes a fault tree risk probability calculation module (FTA) construction step, which includes the following steps:
步驟一,將故障模式與失效分析模組(FMEA)11導入之複數關鍵製程的每一加工步驟定義複數失誤風險因子。 Step 1: Define multiple error risk factors for each processing step of multiple critical processes imported into the Failure Mode and Failure Analysis Module (FMEA) 11.
步驟二,預先設定每一加工步驟之每一失誤風險因子的數值; Step 2: Preset the value of each error risk factor for each processing step;
步驟三,將每一加工步驟步驟的每一失誤風險因子分別進行第一邏輯閘運算30,以得到每一加工步驟的可能故障製程步驟失誤風險值。
Step 3: Perform the first
步驟四,將每一加工步驟的每一加工步驟失誤風險值分別進行第二邏輯閘運算31,以得到每一製程的製程失誤風險值。
Step 4: Perform the second
步驟五,將每一製程的每一製程失誤風險值進行第三邏輯閘運算32,以得到產線20的風險機率資訊。
Step 5: Perform a third
具體的,本實施例為基於上述第三實施例做具體應用載述的較佳實施例,該第一邏輯閘運算30係選自及閘(AND GATE)以及或閘(OR GATE)的其中一種運算;該第二邏輯閘運算31係為或閘(OR GATE)運算;該
第三邏輯閘運算32係為及閘(AND GATE)運算。
Specifically, this embodiment is a preferred embodiment based on the specific application described in the above-mentioned third embodiment. The first
請配合參看圖5所示,本實施例係為一種具體舉例說明手工具扳手製造不良率風險評估的失誤樹風險機率A計算應用實施例,其中,手工具扳手製造不良率風險評估的失誤樹風險機率A計算如下所示:A=X×Y×Z。 Please refer to FIG. 5 . This embodiment is a specific example of an application for calculating the error tree risk probability A of the hand tool wrench manufacturing defect rate risk assessment, in which the error tree risk of the hand tool wrench manufacturing defect rate risk assessment is used. The probability A is calculated as follows: A=X×Y×Z.
A=(X1+X2)(Y1+B3)(Z1+B3)。 A=(X1+X2)(Y1+B3)(Z1+B3).
A=(X1+X2)×(Y1+Y21+Y22)×Z。 A=(X1+X2)×(Y1+Y21+Y22)×Z.
A=[(B1+X11)+(B3+X21)]×[(Y11+Y12)+B3]×[(Z11+Z12)+B3]。 A= [(B1+X11)+(B3+X21)] × [(Y11+Y12)+B3] × [(Z11+Z12)+B3] .
A=[(B1+B2+B1)+(B3+B1+B2)]×[(B3+B2)+B3]×[(B4+B2)+B3]。 A= [(B1+B2+B1)+(B3+B1+B2)] × [(B3+B2)+B3] × [(B4+B2)+B3] .
A=[B1+B2+B3]×[B2+B3]×[B2+B3+B4]。 A=[B1+B2+B3]×[B2+B3]×[B2+B3+B4].
A=[0.1+0.5+0.3]×[0.5+0.3]×[0.5+0.3+0.05]。 A=[0.1+0.5+0.3]×[0.5+0.3]×[0.5+0.3+0.05].
A=0.9×0.8×0.85。 A=0.9×0.8×0.85.
A=(B2+B3+B4+B5+B6×B1。 A=(B2+B3+B4+B5+B6×B1.
A=(0.1+0.1+0.02+0.01+0.01)×0.2。最後,計算出上述事件的風險機率A=0.612。 A=(0.1+0.1+0.02+0.01+0.01)×0.2. Finally, the risk probability of the above event is calculated as A=0.612.
請配合參看圖4、6所示,為達成本發明第三目的之第三實施例,本實施例除了包括上述第一實施例的整體技術內容之外,係於扳手產線的製造過程中,以故障模式與失效分析模組(FMEA)11計算出扳手產線線的一第一關鍵製程、一第二關鍵製程、一第三關鍵製程及一第四關鍵製程,該第一關鍵製程包含加熱、初鍛、精鍛及裁切等可能故障製程步驟,該第二關鍵製程包含成型、滾筒、退火及沖拉等可能故障製程步驟,該第三關鍵製程包含車銑、研磨、熱處理及刻字等可能故障製程步驟,該第四關鍵 製程包含電鍍、噴砂、組裝及整直等可能故障製程步驟;將第一關鍵製程至第四關鍵製程依序導入失誤樹風險機率計算模組(FTA)12中,以由失誤樹風險機率計算模組(FTA)12進行評估並追蹤第一關鍵製程至第四關鍵製程的各可能故障製程步驟進行風險機率模式決策失效運算,以評估出扳手產線於失效下產生不良品的風險機率資訊。 Please refer to Figures 4 and 6. In order to achieve the third purpose of the present invention, a third embodiment is shown. In addition to the overall technical content of the above-mentioned first embodiment, this embodiment is also included in the manufacturing process of the wrench production line. Use the Failure Mode and Failure Analysis Module (FMEA) 11 to calculate a first critical process, a second critical process, a third critical process and a fourth critical process of the wrench production line. The first critical process includes heating , preliminary forging, precision forging and cutting and other possible faulty process steps. The second critical process includes possible faulty process steps such as forming, roller, annealing and punching. The third critical process includes turning and milling, grinding, heat treatment and engraving. Possible faulty process step, the fourth critical The process includes possible failure process steps such as electroplating, sandblasting, assembly and straightening; the first critical process to the fourth critical process are sequentially imported into the fault tree risk probability calculation module (FTA) 12 to calculate the risk probability from the fault tree. Group (FTA) 12 evaluates and tracks each possible failure process step from the first critical process to the fourth critical process to perform risk probability model decision-making failure calculations to evaluate the risk probability information of the wrench production line producing defective products due to failure.
請配合參看圖4、6所示,本實施例為基於上述第三實施例中的失誤樹風險機率計算模組(FTA做具體應用載述的第四應用實施例,該失誤樹風險機率計算模組(FTA)12包含一失誤樹風險機率計算模組(FTA)建置步驟,其包括下列步驟: Please refer to Figures 4 and 6. This embodiment is a fourth application embodiment based on the specific application of the error tree risk probability calculation module (FTA) in the third embodiment. The error tree risk probability calculation module Group (FTA) 12 includes a fault tree risk probability calculation module (FTA) construction step, which includes the following steps:
步驟一,將故障模式與失效分析模組(FMEA)11導入之第一關鍵製程至第四關鍵製程的每一加工步驟定義複數失誤風險因子。 Step 1: Define multiple error risk factors for each processing step from the first critical process to the fourth critical process imported into the failure mode and failure analysis module (FMEA) 11 .
步驟二,預先設定每一加工步驟之每一失誤風險因子的數值。 Step 2: Pre-set the value of each error risk factor for each processing step.
步驟三,將每一加工步驟的每一失誤風險因子分別進行第一邏輯閘運算30,以得到每一加工步驟的加工步驟失誤風險值。
Step 3: Perform the first
步驟四,將每一加工步驟的每一加工步驟失誤風險值分別進行第二邏輯閘運算31,以得到第一關鍵製程至第四關鍵製程的各製程失誤風險值。
Step 4: Perform a second
步驟五,將第一關鍵製程至第四關鍵製程的各製程失誤風險值進行第三邏輯閘運算32,以得到扳手製程產出不良品的風險機率資訊。
Step 5: Perform a third
此外,圖6底下所示的P01~P32代表為已被定義的複數失誤風險因子。 In addition, P01~P32 shown at the bottom of Figure 6 represent multiple error risk factors that have been defined.
請配合參看圖6所示,本實施例為基於上述第四應用實施例做具體應用載述的較佳實施例,該第一邏輯閘運算30係選自及閘(AND GATE)以及或閘(OR GATE)的其中一種運算;該第二邏輯閘運算31係為或閘
(OR GATE)運算;該第三邏輯閘運算33係為及閘(AND GATE)運算。
Please refer to FIG. 6 . This embodiment is a preferred embodiment based on the fourth application embodiment described above. The first
此外,故障模式與失效分析計算主關鍵製程,其目標Q1(A)FMEA的關鍵製程表示為,RPN1=S1×O1×D1,RPN2=S2×O1×D2,RPNm=Sm×Om×Dm,關鍵(key)RPN=max[RPN1,RPN2,...RPNm]。其次,主關鍵製程失誤樹風險機率計算,其目標Q2(B)FTA表示為,風險機率(Risk probablity)表示為,P=(x1 or x2 or x3)and(y1 or y2 or y3)and(z1 or z2)。 In addition, the failure mode and failure analysis calculates the main key process, and the key process of the target Q1(A) FMEA is expressed as, RPN1=S1×O1×D1, RPN2=S2×O1×D2, RPNm=Sm×Om×Dm, the key (key)RPN=max[RPN1,RPN2,...RPNm]. Secondly, the risk probability of the main key process error tree is calculated. The target Q2(B) FTA is expressed as, and the risk probability (Risk probability) is expressed as, P=(x1 or x2 or x3)and(y1 or y2 or y3)and(z1 or z2).
目標Q3(C)主關鍵製程最小化製造成本目標函數表示為;Cost MIN Z=C1X1+C2X2+…….+CnXn The objective function of minimizing manufacturing cost for the main key process of objective Q3(C) is expressed as; Cost MIN Z=C 1 X 1 +C 2 X 2 +…….+C n X n
限制式 a11X1+a12X2+……+a1nXn>b1 Restricted formula a 11 X 1 +a 12 X 2 +……+a 1n X n >b 1
限制式 a21X1+a22X2+……+a2nXn>b2 Restricted formula a 21 X 1 +a 22 X 2 +……+a 2n X n >b 2
限制式 am1X1+am2X2+……+amnXn>bm Restricted formula a m1 X 1 +a m2 X 2 +……+a mn X n >b m
多目標(目標Q1,Q2,Q3)導入表示為,MAX The import of multiple targets (targets Q1, Q2, Q3) is expressed as, MAX
Z(Q1,Q2,Q3)=[Q1(x1,x2,x3….Xn),Q2((x1,x2,x3….Xn),Q3(x1,x2,x3….Xn)] Z(Q1,Q2,Q3)=[Q1(x1,x2,x3….Xn),Q2((x1,x2,x3….Xn),Q3(x1,x2,x3….Xn)]
限制式 a11X1+a12X2+……+a1nXn>bm Restricted formula a 11 X 1 +a 12 X 2 +……+a 1n X n >b m
限制式 am1X1+am2X2+……+amnXn>bm Restricted formula a m1 X 1 +a m2 X 2 +……+a mn X n >b m
請參看圖7所示,係本發明以故障模式與失效分析模組輸出之關鍵製程導入失誤樹風險機率計算模組的系統架構實施示意,失效分析模組(FMEA)係包含設備功能分析、製程加工模式分析以及決定關鍵製程統計故障分析等步驟。至於失誤樹風險機率計算模組(FTA)則包含選擇關鍵事件、建立故障樹以及最小風險切集合故障樹等步驟。 Please refer to Figure 7, which is a system architecture implementation diagram of the present invention using the key process output of the failure mode and failure analysis module to introduce the error tree risk probability calculation module. The failure analysis module (FMEA) includes equipment function analysis, process Steps such as processing mode analysis and statistical failure analysis to determine key processes. As for the fault tree risk probability calculation module (FTA), it includes steps such as selecting key events, establishing fault trees, and minimum risk cut set fault trees.
因此,經由上述具體實施例的詳細說明后,本發明確實具有下列所述的特點: Therefore, after the detailed description of the above specific embodiments, the present invention does have the following characteristics:
1.本發明確實可以運用故障模式與失效分析找出關鍵製程後導入失誤樹以評估失效下產生不良品潛在的損失機率與損失成本,使產線的生產成本達到最佳化決策目的與降低生產風險。 1. This invention can indeed use fault mode and failure analysis to find out key processes and then introduce a fault tree to evaluate the potential loss probability and loss cost of defective products under failure, so that the production cost of the production line can be optimized and the decision-making purpose can be reduced. risk.
2.本發明確實可以將高風險製程進行分散或重新規劃,藉以降低未來損失成本。 2. This invention can indeed decentralize or re-plan high-risk processes to reduce future loss costs.
3.本發明確實是一種應用產線關鍵製程故障模式與失效分析鏈結失效樹風險機率評估模式之成本最佳化決策系統的扳手產線失效分析方法,使扳手產線的生產成本達到最佳化決策目的。 3. The present invention is indeed a wrench production line failure analysis method that applies the key process failure mode of the production line and the failure analysis link failure tree risk probability assessment model of the cost optimization decision-making system to optimize the production cost of the wrench production line. decision-making purpose.
以上所述,僅為本發明一種較為可行的實施例,並非用以限定本發明之專利範圍,凡舉依據下列請求項所述之內容、特徵以及其精神而為之其他變化的等效實施,皆應包含於本發明之專利範圍內。本發明所具體界定於請求項之結構特徵,未見於同類物品,且具實用性與進步性,已符合發明專利要件,爰依法具文提出申請,謹請 鈞局依法核予專利,以維護本申請人合法之權益。 The above is only a relatively feasible embodiment of the present invention, and is not intended to limit the patent scope of the present invention. Any equivalent implementation of other changes based on the content, features and spirit described in the following claims, All should be included in the patent scope of the present invention. The structural features specifically defined in the claim of the present invention have not been found in similar articles, and are practical and progressive. They have met the requirements for an invention patent. I file an application in accordance with the law. I sincerely request the Office to approve the patent in accordance with the law to protect this invention. The legitimate rights and interests of the applicant.
10:資訊處理模組 10:Information processing module
11:故障模式與失效分析模組(FMEA) 11: Failure Mode and Failure Analysis Module (FMEA)
12:失誤樹風險機率計算模組(FTA) 12: Failure tree risk probability calculation module (FTA)
13:決策回饋模組 13: Decision feedback module
14:大數據擷取模組 14:Big data acquisition module
140:產線端大數據擷取模組 140:Production line-side big data capture module
141:使用端大數據擷取模組 141:User-side big data acquisition module
20:產線 20:Production line
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