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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
11

臺灣電子零組件廠商品質策略的研究--以台達電為例 / The Case Study of Quality Assurance Strategy for Delta Electronics, INC. in Taiwan

鄭子建, Cheng, Tzi Chien Unknown Date (has links)
從設計、材料、製造到管理的品質是追求卓越品質的關鍵成功因素,而卓越的品質產品是能夠留住顧客的重要因素之一。 本研究借由對個案公司的深入訪談與分析,整理近5年來品質績效資料及訪談的結果,依重要性與急迫性四象限分類,確認問題的所在,再作深入的設計、材料、製造及管理品質的要因分析。在面對未來更為競爭及多變的環境下,經由波特的五力分析模式,探討零組件產業的競爭環境,同時運用優勢、劣勢、機會與威脅的相互交叉,分析個案公司所在的產業環境,找出面對的問題與挑戰,以調整品質保證策略的方向。因本研究採個案研究方式,主要結論如下: 一、電子零組件專業製造廠商的品質保證關鍵成功因素為: 穩健性產品設計的品質工程能力、專業的製程工程能力及快速的改善效能、良好的供應商、變異小(5~6 sigma range)的材料、專業的一流管理及工程人才、及健全的品質系統。 二、從個案公司的經營使命「環保、節能、愛地球」,因應國際品質保證標準及環保要求的分析來看,個案公司已經主動提昇系統品質的策略,將品質系統提昇到「對社會負責的企業」,並積極投入「綠色設計」的產品研發。 三、品質保證策略是整體性的,要達到品質產品的目的,個案公司運用同步工程同時從設計、製造、材料及管理去努力。 個案公司的品質保證策略,是以六標準差(6-Sigma)為主要改善工具,精進設計及製程的DFx並相互檢討,並導入在品質系統中,以達到零ppm 的境界。 四、良好的供應商、及品質穩定且變異性在合理的一定範圍裡的原材料,對個案公司的品質及供應商管理的成本有非常密切的影響,選擇具有良好競爭力的供應商、再有完善的供應商管理制度及真正落實執行供應商的獎懲,是確保供應商材料品質及個案公司的品質產品的最佳手法。 五、好的經營使命、好的政策理念、好的策略、及完善的管理制度及流程,一定要有一流的人才及有效能的組織去落實,因此,個案公司必須積極的規劃執行「人才培育」、外聘管理及工程的國際化「專業經理人」,同時對於品管組織應予以獨立,以便能徹底執行品質保證的要求。 卓越的設計、材料、製造及管理品質,可透過平衡計分卡的顧客滿意度來確認,而內部的績效,經由財務面的品質成本,作業流程面的直通率,以及學習面的六標準差及DFx成果來驗證品質保證策略的方向是否正確。 關鍵詞:品質保證、關鍵成功因素、綠色設計、平衡計分卡、六標準差
12

Introdução ao controle estatístico de processo on-line

Silva, Paulo Henrique Ferreira da 07 April 2011 (has links)
Made available in DSpace on 2016-06-02T20:06:05Z (GMT). No. of bitstreams: 1 4182.pdf: 2255930 bytes, checksum: 7da65af2bc4550af129f4ceaea0a8eb1 (MD5) Previous issue date: 2011-04-07 / Financiadora de Estudos e Projetos / Neste trabalho são apresentadas algumas ferramentas do Controle Estatístico de Processos (CEP), que podem ser usadas no monitoramento de sistemas produtivos ao longo do tempo, bem como a sua aplicação em conjuntos de dados artificiais, que fazem parte de contextos reais. O estudo sobre essas ferramentas estatísticas está distribuído de tal maneira que são abordados durante o trabalho: a teoria das ferramentas estudadas, os diferentes contextos em que podem ser aplicadas e a sua implementação on-line, utilizando recursos computacionais de softwares livres. A aplicação no sistema on-line é realizada de tal modo que viabiliza a praticidade e eficácia na geração de gráficos para o CEP e de índices que refletem a capacidade do processo. É apresentada também uma sequência de passos para o uso do sistema de CEP on-line aqui proposto, tanto para situações em que se observa apenas uma medida da qualidade do processo (caso univariado), quanto para situações em que são observadas várias medidas (caso multivariado).
13

應用6 Sigma 導入EuP 綠色專案之個案研究 / Six Sigma Management for EuP Green Program - A Case Study

許瑞鵬, Hsu, Juey Peng Unknown Date (has links)
今 (2008) 年,全球規模排名前三大的電腦展,從1月開始美國拉斯維加斯的CES展、3月的德國漢諾威的CeBiT展,到6月在台北的Computex展,數千家之參展廠商,數十萬之買主與參觀人士,不約而同,大家的主訴求都是「綠色」與「節能」。向來,三大電腦展都是未來產品的風向球,加上從美國前副總統高爾的紀錄片「不願面對的真相」看到地球暖化現象日益嚴重,石油價格也不斷再創歷史新高,的確讓人感到這個世界將變得更為綠色,當人們愈來愈重視自己居住的這個環境與資源,也宣告「綠色產品、綠色消費」的時代正式來臨。 近年來一波波的綠色浪潮,如同過去十餘年間的網路興起,所產生巨大的改變一般。全球環保意識覺醒,尤以歐盟一向以高環保標準為最,陸續在2005年8月起推行的三大環保指令:WEEE(回收化)、RoHS(無毒化)、EuP(節能化),超過80%的環境衝擊都跟產品設計有緊密關聯;是故,整合環境考量因素而成綠色產品的生態化設計作法,將會是企業最有效的方法。 上述WEEE 及RoHS兩項已於2006 年7月1日後,正式對輸出到歐盟各國的產品中全面實施管制,而日本、韓國、中國等國及美國(部分州)等,亦在2007年初立法通過並已實施,此股全球化之綠潮,已是勢不可擋;第三項的EuP (Energe using Product)「耗能使用產品之生態化設計指令」,歐盟各國已大多立法制定完成,部分國家還一併通過違規罰則,預計在2009年第一季起開始啟用,屆時勢必又將再度啟動第三回合的環保大挑戰。 我國對歐盟之貿易額佔了總體的比重極大,於2007年,我國出口到歐盟各國之電機、電子產品等金額超過逾NT$3,000億,企業也決不容忽視這廣大的市場商機。本研究的個案公司向來對環保意識相當重視,亦積極地關注在永續發展與環保議題上,所設計製造的綠色產品也行銷全球;現今的設計趨勢都以綠色、節能為導向,身處電子、電機產業的一員,面臨這項嚴峻之挑戰,更需即早因應,通過這些環保規範檢測,才能確保產品順利銷往歐盟。 本研究乃透過個案公司於過去三、四年中,利用 6 Sigma 的DMAIC循環改善手法,搭配ISO 9000/14000品質/環境管理系統以有效整合,組成專案團隊運作,成功導入6 Sigma WEEE / RoHS等專案,且比2006年7月1日的法定實施期限日,提早一季的時間完成歐盟WEEE及RoHS所有綠色產品之設計,並在符合法定時程/品質要求/客戶滿意等情況下順利出貨。 爰此,以綠色設計為整體考量因素,建置成一套標準化的流程機制,應用到EuP新環保規範中,進行產品節能、生命週期等多項評估,提升生態化設計能力。EuP雖與RoHS/WEEE的指令訴求內容互異,但本著6 Sigma RoHS過去分析及改善等手法,藉由嫻熟運作之科學管理模式,來縮短研發時程;目標為:提早一季時間完成產品設計,且品質符合環保規範驗證之出貨準備;期間雖會遭遇諸多問題與困難,但以6 Sigma經驗豐富之優秀成員組成的團隊,將採絕佳默契、合作無間的精神,順利於今年底達成任務,也為個案公司大幅提升環保戰力之全球競爭優勢。 關鍵字:限用有害物質指令、耗能使用產品指令、生態設計、國際標準組織、六標準差專案管理。 / In the world’s top three exhibitions of the electronic industry this year - namely CES of Las Vegas in January, CeBIT of Hanover in March, and Computex of Taipei in June, the main theme is the same: Green Technology and Energy Saving Products. Mr. Al Gore’s ‘Inconvenient Truth’ has unfolded future disasters caused by global warming, together with recent oil price hikes over US$140 a barrel, all these environmental and energy crisis have hastily ushered in the ‘Green Product Epoch.’ The European Union led the wave of Green Products by issuing the WEEE (Waste Electrical Electronic Equipment) directives in August 2005 which aimed at reducing E/E waste disposal through reuse, recycle and recovery, followed by the RoHS (Restriction of Hazardous Substance) directives enforced on July 1, 2007. EuP (Energy using Product) is the latest set of directives which will be implemented in 2009. Since more environmental impacts relate to product design, the green product ecological design incorporating environmental factors is most effective method. These regulations will greatly affect members of global E.E product supply. Taiwan had a big trade count with EU in the past time, so it will be caused more impacted as well. Therefore, many countries have regulated new national standards, many Taiwanese firms are making great efforts on the issues of Eco Design for energy saving to meet the trend on environment protection as earlier as possible and to provide operational producers for the business toward green global supply chain. For enterprises to implement environmental management system and to establish green product design and production by ISO9000 / ISO 14000 systems, and there are many procedures, validation and testing need to by 6 Sigma DMAIC improvement methodology. This case study proposes a model to include the RoHS green product into quality system successfully in 2 years ago, next case is provided to verify the model and justify how a firm can efficiently use the proposed model and empirical experience to meet product certification requirement into the system. The findings of this research can support other enterprises to implement appropriate model to integrate green product with framework of ISO9000/14000 quality/environment management system by 6 Sigma process. This is also suitable for a firm to upgrade its management system to meet various green requirements as WEEE, RoHS and EuP. The study is still enphasised many Taiwan manufacturers are tempted by the success of 6 Sigma in the western world and are now in the process of introducing 6 Sigma into their organizations. The push to further reduce costs has urged the firms to use 6 Sigma to regain their competitive positions in the global economy. Keywords: RoHS, EuP, Eco Design, ISO, 6 Sigma Managment

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