Browsing Technical Reports by Title
Now showing items 24-43 of 108
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Constrained Experimental Designs Part III: Steepest Ascent and Properties of Projection Designs
(1990-10)Steepest ascent is an important tool for process improvement. This report discusses how to use the steepest ascent method in the context of constrained designs. The properties of the projection designs proposed in Report ... -
A Contour Nomogram for Designing Cusum Charts for Variance
(1989-02)A contour nomogram is given that helps in the design of cumulative sums charts for variance when the observations are normally distributed. -
A Critical Look at Accumulation and Related Methods
(1986-11)Using accumulation analysis on ordered categorical data can often result in the detection of spurious effects. -
The Design and Analysis of 2k-p x 2q-r Inner and Outer Array Experiments
(1992-09)Inner and outer array designs are useful for the development of robust products. In this article we will provide a discussion of their design and analysis from a classic factorial and fractional factorial design standpoint. ... -
Design Evaluation of Multi-Station Assembly Processes by Using State Space Approach
(2002-04)This report considers the problem of evaluating and benchmarking process design configuration in a multi-station assembly process. -
Designing Quality Into Products During the Design and Development Phase
(1996-10)To be effective, quality needs to be built-in and planned already in the product design phase. In this article, we will provide an overview of how design engineers can use statistical experimental design to develop high ... -
Detecting Malfunctions in Dynamic Systems
(1999-03)This article outlines some of the fundamental concepts of systems monitoring and general principles for the design of monitors to detect certain malfunctions in the powertrain system that may cause excessive emissions -
Discrete Proportional-Integral Control with Constrained Adjustment
(1994-02)It is well known that discrete feedback control schemes chosen to produce minimum mean square error at the output can require excessive manipulation of the compensating variable. Also very large reductions in the manipulation ... -
Discriminant Upset Analysis
(1988-05)This report presents an application of discriminant analysis in setting rules for early warning indicators of process upsets in wastewater treatment plant operation. -
Discrimination and Criticism of Single-Response Models
(1996)Formulas are developed for assessing the probability and adequacy of rival models fitted to a common data set. Cases of full, partial and minimal variance information are treated. The use of the formula is demonstrated ... -
A Discussion of Scientific Methods for Setting Manufacturing Tolerances
(1993-04)Several traditional and newer techniques for setting manufacturing tolerances are discussed. The traditional methods include worst case, statistical case, and proportional and constant factor scaling. Newer methods, such ... -
Drastic Changes for Western Management
(1986-06)This report is a compact summary of the most important points that Dr. W. Edwards Deming has been making about changes that must be made by American businesses if they are to be competitive. -
Eliminating Complexity from Work: Improving Productivity by Enhancing Quality
(1986-07)Increasing quality does not increase costs; in fact, it is poor quality that increases "complexity," which in turn increases cost and decreases productivity. -
Fast Cycle Change in Knowledge-Based Organizations: Building Fundamental Capability for Implementing Strategic Transformation
(1997-06)This paper discusses the experience of a knowledge-based organization in the pharmaceutical industry in building a fundamental capability for implementing strategic transformation. The organization developed and implemented ... -
Fault Diagnosis of Multistage Manufacturing Processes by Using State Space Approach
(2002-04)This report presents a methodology for diagnosis of fixture failures in multistage manufacturing processes (MMP). -
Feedforward as a Supplement to Feedback Adjustment in Allowing Feedstock Changes
(2002)This paper considers the complementary use of feedback and feedforward adjustments to compensate for anticipated step changes in the process mean as may be necessary in a manufacturing process each time a new batch of ... -
Five Ways Statistical Tolerancing Can Fail and What to Do About Them
(1997-09)In this article we explore the general non-robustness of traditional root sum of squares statistical tolerancing and describe, in particular, how it can fail. These are [1] deficiencies in the functional model, [2] lower ... -
Further Details of an Analysis for Unreplicated Fractional Factorials
(1987-02)Some important implications and statistical details of Box and Meyer's formal approach to the analysis of unreplicated fractional factorial experiments. -
How to Reduce Costs Using a Tolerance Analysis Formula Tailored to Your Organization
(1997-04)In volume production, a few pennies per unit can add up quickly. In such cases, it may be worth considering whether cheaper components might be used without jeopardizing quality. One element in many tolerance analyses ... -
Human Factors E-Security Workgroup Report of Findings
(2003-04)One of the greatest barriers to effective e-security are the human and organizational factors that contribute to and cause the technical and social vulnerabilities of an organization's computer and information system. The ...