Final Project Questions Let's take up to an hour to Review progress answer questions Referencing sources in the term project Direct quotes-- Place in quotes or indent and cite source in footnote or reference

Term Project Final presentation Isual aids available on-campus Computer projection Document camera

Plan for the session Quiz on Constructing Orthogonal Arrays (10 minutes) Complete some advanced topics on oas Lecture on Computer Aided robust design Recitation on hw#5 Robust system design

Plan for the session Q Questions Complete some random topics Lecture on design of dynamic systems (Signal/Response Systems Recitation on hw#5? 16.881

Plan for the session Guest lecture by Eric Feron(1 hour) Quiz on Design of Dynamic Systems(15 minutes Review of reliability Improvement Case Study --Router Bit Life(35 minutes) 16.881

Standard Orthogonal Arrays Maximum Maximum Number of Colum Orthogonal Number of Number of

Learning objectives Introduce explore orthogonality Study the standard oas Practice computing dOF of an experiment Learn how to select a standard oa Introduce means to modify Oas Consider studying interactions in Oas Robust System Design

Failure modes Noises lead to failure modes(Fm) One set of noise values leads to fm Opposite set of noise values leads to FM Simple problem solving chases the problem from Fm, to Fm, and back again but does not avoid both fms with the same set of design values-endless cycles of build/test/fIx(B/T/F) C Don Clausing 1998 6.881

Proposed Schedule Changes · Switch lecture No quiz Informal (ungraded) presentation of term project ideas Read Phadke ch. 7-- Construction Orthogonal Arrays -Quiz on ANOVA Noise experiment due Robust System Design

Ideal response Want Ideal Response to Signal -usuall straight-line function Actual response is determined by values of control factors and noise factors If noise factors are suppressed early, the en difficult problems only appear late Introduce noises early C Don Clausing 1998