Process Capability Assessment Control Charts for Individual Measurements Cumulative-Sum control charts Control Charts for Large Sample . . Statistical Process Control - Part II IE 330‚ Spring 2013‚ Instructor: Yu-Ching Lee March 14‚ 2013 1 / 127 Process Capability Assessment Control Charts for Individual Measurements Cumulative-Sum control charts Control Charts for Large Sample Use of the histogram Process Capability Indices Statistical Assignment of Tolerances Loss
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Statistical Process Control Statistical Monitoring of Processes to Detect Special Causes of Variation Lecture Outline • • • • • • • Basics of Statistical Process Control Control Charts Control Charts for Attributes Control Charts for Variables Control Chart Patterns SPC with Excel Process Capability Statistical QA Approaches Statistical process control (SPC) • Monitors production process to prevent poor quality Acceptance sampling • Inspects random sample of product
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STATISTICAL PROCESS CONTROL Prof.S.BHADKUMBHE College Of Engg‚ Manjari(BK) Hadapsar‚ Pune-412 307 N.B.KANCHAN College Of Engg‚ Manjari(BK) Hadapsar‚ Pune-412 307 S.HAGAVANE College Of Engg‚ Manjari(BK) Hadapsar‚ Pune-412 307 S.HIPPERKAR College Of Engg‚ Manjari(BK) Hadapsar‚ Pune-412 307 P.BANAGE College Of Engg‚ Manjari(BK) Hadapsar‚ Pune-412 307 Email: nilesh29.uk@gmail
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with the concept of “capability” development‚ according to which government’s performance should be evaluated against the capabilities of their citizens (Sen‚ 1979). Nevertheless‚ Sen recognized the relation to Adam Smith’s (1776) analysis of necessities and living conditions and Karl Max’s (1844) concern with human freedom and emancipation‚ but the strongest connection is with Aristotel’s theory of political distribution and human flourishing (Clark‚ 2006). The Capability Approach Explained
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Process Improvement Plan OPS 571 05/06/2013 Process Improvement Plan In week one‚ the goal was to find time to work out with a full-time job and school. By looking at the bottle necks in my flow chart‚ one was able to find time to work out so one can lose weight. Every week‚ one would set up a schedule and put time to work out in that schedule. Each week‚ one tried to make time more efficient so that one was able to work‚ go to school‚ have extract time for activates‚ and have time to work
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AND BUSINESS PROCESS MANAGEMENT (BPM) CAPABILITIES Paul Mathiesen‚ Faculty of Science and Technology‚ Queensland University of Technology‚ Brisbane‚ Australia‚ p.mathiesen@connect.qut.edu.au Wasana Bandara‚ Faculty of Science and Technology‚ Queensland University of Technology‚ Brisbane‚ Australia‚ w.bandara@qut.edu.au Houra Delavari‚ Faculty of Science and Technology‚ Queensland University of Technology‚ Brisbane‚ Australia‚ h.delavari@qut.edu.au Paul Harmon‚ Business Process Trends‚ 1819
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Business Process Mapping Catapult exercise on variability Cause & effects diagram (also known as fishbone or Ishikawa diagram) Chi-square test of independence and fits Control chart Correlation Cost-benefit analysis CTQ tree Quantitative marketing research through use of Enterprise Feedback Management (EFM) systems Design of experiments Failure mode and effects analysis General linear model Histograms Homoscedasticity Pareto chart Pick chart Process capability Regression
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Capability Maturity Model Capability Maturity Model is a reference model of mature practices in a specified discipline‚ used to assess a group’s capability to perform that discipline. CMM is a collection of instructions an organization can follow with the purpose to gain better control over its Software development process. Capability Maturity Models differ by discipline‚ structure (staged versus continuous)‚ how maturity is defined and how capability is defined. CMM are used in process Improvement
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quality audit to do which of the following? a) b) c) d) Provide objective evidence that the auditee uses statistical process control (SPC) Expose patterns that are normally difficult to detect Interpret data for a trend chart Create a stratified tally diagram Ref: CBA Study Guide Q2 3. Comparing how a process is actually performed against the documented work instruction for that process is an example of which of the following techniques? a. b. c. d. Quantitative Qualitative Statistical Random sampling
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width Cp = 1 for centered process - natural tolerance =spec width Cause and Effect Diagram - Fishbone Diagrams - Ishikawa Diagrams • • • • • • • • used to identify and organize potential root causes problem solving analysis done by brainstorming common categories - Measurement‚ Materials‚ People‚ Process‚ Equipment‚ Environment ask “Why?” 3 times to get to root cause have detailed problem statement at head of fish - “effect” need corresponding process map should fit on one 8-½
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