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Home » Archives for Hemant Urdhwareshe

Hemant Urdhwareshe — New Contributor

Author of the Institute of Quality & Reliability article series. This author's archive lists contributions to articles and episodes.

About Hemant Urdhwareshe

He is the first Six Sigma Master Black Belt in India certified by American Society for Quality (ASQ) and is one of the most qualified, knowledgeable and experienced quality professionals in India.

by Hemant Urdhwareshe Leave a Comment

Fault Tree Analysis (FTA) XOR Gate with Illustration

Fault Tree Analysis (FTA) XOR Gate with Illustration

Dear friends, we are happy to release our 91st technical video on XOR Gate occasionally used in Fault Tree Analysis (FTA). In this video, Hemant Urdhwareshe, Fellow of ASQ, explains the basic concept of XOR gate, the related probability calculation and an illustrative example.

[Read more…]

Filed Under: Articles, Institute of Quality & Reliability, on Tools & Techniques

by Hemant Urdhwareshe Leave a Comment

Probability Functions in Reliability and Related Mathematics

Probability Functions in Reliability and Related Mathematics

Dear friends, we are happy to release our 90th technical video! In this video, Hemant Urdhwareshe, Fellow of American Society for Quality (ASQ), explains the various functions in reliability mathematics. Hemant has explained Probability Density Function (PDF), Cumulative Failure Distribution Function (CDF), Reliability Function and the Hazard Function. Hemant has also briefly explained the mathematical derivations of these functions as well as their relationships. In addition, the video includes an application example of estimating B02 life when the hazard function is known. The video is little long, so viewers are requested to be patient and watch the complete video. This will be very useful in preparing for the Certified Reliability Engineer Exam conducted by ASQ.

[Read more…]

Filed Under: Articles, Institute of Quality & Reliability, on Tools & Techniques

by Hemant Urdhwareshe Leave a Comment

Goodness of fit Test

Goodness of fit Test

Dear friends, we are happy to release our 89th technical video. In this video, Hemant Urdhwareshe explains the basic idea behind Goodness of fit testes and how to perform Goodness of Fit test. Hemant illustrates this with an illustration of Goodness of Fit test for Normal Distribution using Microsoft Excel. Hemant is a Fellow of ASQ and is certified by ASQ as Six Sigma Master Black Belt, Quality Engineer (CQE), Quality Manager (CMQ/OE) and Reliability Engineer (CRE).

[Read more…]

Filed Under: Articles, Institute of Quality & Reliability, on Tools & Techniques

by Hemant Urdhwareshe Leave a Comment

Normal Probability Plotting with Case Study

Normal Probability Plotting with Case Study

Dear friends, we are pleased to released our 88th technical video on a very important topic in Statistical Quality Control and Six Sigma: Normal Probability Plotting! In this video, Hemant Urdhwareshe explains the concepts and basic procedure of Normal Probability Plotting using probability paper with a simple real life case study! Hemant is a Fellow of ASQ and is certified by ASQ as Six Sigma Master Black Belt (CMBB), Black Belt (CSSBB), Quality Manager (CMQ/OE), Quality Engineer (CQE) and Reliability Engineer (CRE)!

[Read more…]

Filed Under: Articles, Institute of Quality & Reliability, on Tools & Techniques

by Hemant Urdhwareshe Leave a Comment

Parts, Materials and Process Selection for Reliability

Parts, Materials and Process Selection for Reliability

Dear friends, we are happy to release our 87th video to provide brief guidance on selection of parts, processes and materials for assuring reliability! Hope you find this interesting! You can see our other related video on Miner’s Rule for Fatigue Life.

[Read more…]

Filed Under: Articles, Institute of Quality & Reliability, on Tools & Techniques

by Hemant Urdhwareshe Leave a Comment

Robust Design Introduction

Robust Design Introduction

Dear friends, I am happy to release this video on Introduction to Robust Design. In this video, I have briefly explained the philosophy of robust design which was originally created by Dr.Genichi Taguchi. It includes Taguchi’s definition of quality, the quality loss function, Signal to Noise Ratios (SN Ratio), Parameter Diagram, Steps in Robust Design, and an illustration of calculation of SN ratio.

[Read more…]

Filed Under: Articles, Institute of Quality & Reliability, on Tools & Techniques

by Hemant Urdhwareshe Leave a Comment

Statistical Tolerance Stack-up

Statistical Tolerance Stack-up

Dear friends, we are happy to release this 85th video in our channel ‘Institute of Quality and Reliability’! In this video, Hemant Urdhwareshe has explained the concept of statistical tolerancing tolerance stack-up! Conventional Extreme Value Analysis (EVA) can result in increased manufacturing costs! Statistical tolerancing is more optimistic method of analysing tolerances and can reduce manufacturing costs! Concepts of loop diagram, additivity of variances are also explained briefly in the video with a practical application case study of tolerance stack-up analysis.

[Read more…]

Filed Under: Articles, Institute of Quality & Reliability, on Tools & Techniques

by Hemant Urdhwareshe Leave a Comment

Reliability Allocation or Apportionment

Reliability Allocation or Apportionment

Dear friends, we are happy to release our video on reliability allocation or apportionment. In this video, Hemant Urdhwareshe has explained concept of reliability allocation with two basic methods. Hemant has also explained the allocation process with a case study.

[Read more…]

Filed Under: Articles, Institute of Quality & Reliability, on Tools & Techniques

by Hemant Urdhwareshe Leave a Comment

Maintainability and Availability Introduction

Maintainability and Availability Introduction

Dear friends, we are happy to release this video. In this video, Hemant Urdhwareshe briefly discusses various concepts such as on maintainability and availability, MTTR, MTBMA, Availability trade off, maintenance time distributions etc.. Hope you find the video useful.

[Read more…]

Filed Under: Articles, Institute of Quality & Reliability, on Tools & Techniques

by Hemant Urdhwareshe Leave a Comment

Reliability Block Diagrams (RBD)

Reliability Block Diagrams (RBD)

Dear friends, we are happy to release our video on this important topic of reliability block diagrams! In this video, Hemant Urdhwareshe explains basics of series and parallel logic in RBDs. Hemant also explains application of Bayesian theorem and conditional probability to estimate reliability in special cases. Hope you find this useful and interesting!

[Read more…]

Filed Under: Articles, Institute of Quality & Reliability, on Tools & Techniques

by Hemant Urdhwareshe Leave a Comment

DFMEA Application Case Studies

DFMEA Application Case Studies

FMEA Part-3

Dear freinds, we are glad to release this part-3 of our series on FMEA. In this video, Hemant Urdhwareshe illustrates two application case studies in using DFMEA.

[Read more…]

Filed Under: Articles, Institute of Quality & Reliability, on Tools & Techniques

by Hemant Urdhwareshe Leave a Comment

How to use DFMEA form and Rating Guidelines

How to use DFMEA form and Rating Guidelines

Dear friends, we are happy to release this FMEA Part-2 video. In this video, Hemant Urdhwareshe explains how to use the DFMEA form. He also explains briefly the guidelines for Severity, Occurrence and Detection rating as per AIAG VDA first edition and logic for setting priorities for action plan.

[Read more…]

Filed Under: Articles, Institute of Quality & Reliability, on Tools & Techniques

by Hemant Urdhwareshe Leave a Comment

Planning and Preparing for DFMEA

Planning and Preparing for DFMEA

FMEA Part-1

Dear friends, we are happy to release this DFMEA Part-1 video. In this video, we have tried to explain how to plan and prepare for DFMEA. Hope you find it interesting and useful. Your feedback welcome!

[Read more…]

Filed Under: Articles, Institute of Quality & Reliability, on Tools & Techniques

by Hemant Urdhwareshe Leave a Comment

Fault Tree Analysis (FTA)

Fault Tree Analysis (FTA)

Dear friends, we are happy to relaese this video on Fault Tree Anlayis FTA). FTA is an important technique used in reliability engineering. Hope you find the video interesting! Link to our video on Binomial distribution

[Read more…]

Filed Under: Articles, Institute of Quality & Reliability, on Tools & Techniques

by Hemant Urdhwareshe Leave a Comment

Extended Crow AMSAA Reliability Growth Model

Extended Crow AMSAA Reliability Growth Model

Dear friends, we are happy to release this video on relatively unknown subject of Extended Reliability Growth Model! Please watch our previous videos on the subject of Reliability Growth before watching this video.

Links are provided below:

Reliability Growth Introduction and Duane Model

Crow AMSAA Reliability Growth Model

[Read more…]

Filed Under: Articles, Institute of Quality & Reliability, on Tools & Techniques

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