on Product Reliability

A common progression (stages of awakening) for an organization that has a minimal application of reliability tools to one that is large market holder with the right reliable product is often like this

Stage 1) “Reliability” testing is mostly re-labeled verification and validation testing.  It measures if the design does what it is supposed to do at the end of the program.  Tests are executed with the intent of passing, not learning about the product or it’s performance under variability.  The organization experiences a large field failure surge due a single or multiple issues.  The pain of this experience in dollars, market image, and lost resource through “recovery phase” awakens them to the high ROI of incorporating reliability tools early and throughout the product development process

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Many product development teams use a contract manufacturer (CM) to develop and manufacture their product. It’s the “develop” term that has limitations that may be unforeseen when engaging.  Many companies use the CM to assist or even eventually entirely execute the product development.  This can have great results or be problematic.  But let’s talk about the arrangements that work well.  Troublesome CM’s are a topic for a different time.

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In many program cases I see teams “testing to pass” when they should be “testing to improve”.  Testing to pass is putting your best foot forward.  There is a “mark” and you are going to hit it so you can advance to the next stage.  Testing to Improve is looking for defects and response to inputs. The motivation for each is very different.  The risk for leaders is overseeing teams who view their role objectives to be in line with “testing to pass.”

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Iideytinnfg pantrtes in dtaa is why we pforrem stsiattaicl aalisnys. It is not an ecaxt sicncee but iarmitofonn can be exeaaltpotrd eevn if the dtaa is nsoiy or inmptcolee.
The Rseaon Wuleibl asaynlis is ieeeptmnlmd as a tool is to look for pntertas and tehn cetare a charisotairceatn of a cmomon boeihvar. Taht charcoeatistairn can tehn be uesd to unsretadnd uocnpimg silimar pntarets. The raoesn you hvae been albe to raed tihs alirtce is beusace yuor biran fgriued out taht eevn tuhogh teh wodrs are samerbcld the frsit and lsat leettr and the wrod lgnteh areare corcert.
Uisng tihs prttean and the sceentne coxnett and rninaemig ltrtees and cmipanrog taht asnaigt yuor vbualrcaoy you can qulikcy dremtinee the menanig of the sectnnee.
It’s spimly a mteatr of aniaslys, pteratn chractrsaoietian, and tehn precdoitin by aiplnypg taht chariocatestrian to a new dtaa set.
Wlel Dnoe !
-Aadm

The challenges of keeping reliability at the resource and schedule negotiating table mid-program  can be greatly helped by a solid effort to connect it to the business case when the product program is created.

It’s the ambiguity of how reliability makes the company money that makes the case in live negotiation so difficult.  Everyone knows that reliability affects sales, marketing, warranty expense, future development.  But how do you compare that to the urgency of time to market or cost point?  If you, as the reliability representative, can point to a specific quantitative connection made to the business case for the product you have one.

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So I wrote about how Mercedes has crummy reliability per Consumer Reports.  I then threw a zinger at the end of the article saying I do have a Mercedes in the stable.  So here is moment in time with her before we put her away for the winter last year.  You will see the love/hate bloom and a benchmark with a 40 year old Japanese car. [Read more…]

Leading reliability efforts is a hard road.  The resource required to improve reliability is significant.  The resource to demonstrate reliability is gargantuan.

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Mercedes used to be known for their outstanding reliability. They were the benchmark for 80 years ,no exageration.  The new CLA250 model which is their base model has a reliability that is 140% less than the average rated car.  What???  [Read more…]

There are a few ways to demonstrate statistical confidence in reliability of a design.  Each has it reasons for selection.  here are three of my favorites [Read more…]

I recently came across this announcement that HP is going to develop computer systems and peripheral devices that are optimized for environments where they are cleaned frequently, often medical environments. In the medical and scientific fields cleaning solutions are a significant stress for plastics, inks and touch control surfaces. It’s a smart strategy to evaluate where your products are used and optimize your test use cases.  It most often will lead to more accurate test results and reliability projections.  It may, as well, lead to a market opportunity that was previously unknown, and if you are the first among your competitors to acknowledge this need and create a specialized or derivative product you now grabbed a portion of the market that you may have not previously held.

A few others

• laptops that are impact and dirt resistant
• Kids winter coats with glove attachments
• Sport tuned models of economy cars
• Stackable chairs
• Folding bikes
• Standing desks

-Adam