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Sherlock Ohms

Use Your Head to Solve the Tough Problems

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bobjengr
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Platinum
Re: Done and Dusted!
bobjengr   7/14/2014 5:05:15 PM
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Daniyal_Ali , I agree completely with your comment. I know that training, experience in the field, patience: etc. really do carry the day when trouble-shooting a piece of equipment but I also know luck sometimes does carry the day and maybe is the deciding factor.  When I first started my engineering career, I was in charge of our service department.  I worked for a company that manufactured gas and electric waters heaters.  Even though I was in the design engineering department, management put the service department under engineering.  I suppose they felt workable solutions to any field problem should co -me from our group and the learning experience was great when designing new products.  We had checkout procedures but quite frequently the entire story usually did NOT come out relative to what the water heaters were doing.  More than once we would babysit a heater until we "happened upon" the proper solution to the problem.  Excellent post Michael.  

 

Mydesign
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Platinum
Re: Head can stimulate Brains
Mydesign   7/4/2014 3:13:03 AM
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"I did but some were very confusing. Is the integration different from each other ? "

A2, which integration, can you be little elaborative about your concerns?

Mydesign
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Platinum
Re: Head can stimulate Brains
Mydesign   7/2/2014 4:56:41 AM
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"That's a prime example of using your head! Too bad that it sometimes takes a certain amount of physical pain to come up with a solution."

Cabe, did you mean that if you need a solution, you have to hit the head for a pain!!!

Mydesign
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Re: Head can stimulate Brains
Mydesign   7/2/2014 4:52:23 AM
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"Yes there are so many ways to integrate. It all depends on what your requirements are. "

Saji, you are right in some sense. But not allowed for universal laws

RBedell
User Rank
Gold
Re: Done and Dusted!
RBedell   6/24/2014 9:44:08 AM
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Both Daniyal's dust and Michael's cranial technique are inverse examples of 'You see, but you do not observe. The distinction is clear.' (Sherlock Holmes, A Scandal in Bohemia).  They both observed, not just seen. Daniyal 'saw' the dust on the floor but he also 'observed' how the dust might interact with the solar inverter.  This is not accidental, it is observation.  Looking beyond the obvious.  ('There is nothing more deceptive than an obvious fact.', Sherlock Holmes Quote - The Bascombe Valley Mystery)

Translating 'You see, but you do not observe.' from words to concept, the concept can be translated back to different words like 'You hear, but you do not listen' or 'You responded, but you did not react'.  It also translates into knowledge; ' You "know something but did not acting/applying it", but you did not "know something and acted on/applied it" '

How does all this translate to Michael's cranial technique?  He 'knew' other engineers had looked at the machine.  He initially error-ed in searching for an obvious problem by not applying the knowledge that other engineers had looked at it.  Humorously, one could also say a second error occurred by the deception of an obvious fact - he assumed the power was off because the entire machine appeared to be off.  But his cranial technique not only gave him a 'hit on the head', it also provided more information to which he acted on/applied.  Without consciously knowing it, he even acted on/applied knowledge that other engineers have looked at it.  Going from obvious to en-obvious investigating.  This demonstrated by transitioning from 'seeing no obvious problem' with the socket then moving on; to stopping and observing the socket.

So what was Holmes really saying about seeing and observing? Scientific American, January 2014; 'How Unconscious Thought and Perception Affect Our Every Waking Moment'.  We see (unconscious thought), but we do not observe (conscious thought).

 

a2
User Rank
Gold
Re: Head can stimulate Brains
a2   6/23/2014 5:50:46 AM
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@MyDesign: I did but some were very confusing. Is the integration different from each other ? 

a.saji
User Rank
Silver
Re: Head can stimulate Brains
a.saji   6/23/2014 5:06:16 AM
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@Mydesign: Yes there are so many ways to integrate. It all depends on what your requirements are. 

Mydesign
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Platinum
Re: Head can stimulate Brains
Mydesign   6/23/2014 4:51:08 AM
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"Isaac Newton ('Sir' to you and me) invented (?) gravity, or did he just discover its effects and form a law of universal gravitation?"

CTHP, you can interpret it in whichever way you want. Just Google and found how the facts are represented (Invention, discover etc).

CTHP
User Rank
Silver
Re: Head can stimulate Brains
CTHP   6/20/2014 6:01:36 PM
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Isaac Newton ('Sir' to you and me) invented (?) gravity, or did he just discover its effects and form a law of universal gravitation?

William K.
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Platinum
Re: Head can stimulate Brains
William K.   6/20/2014 4:36:01 PM
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The difference in technique was part of the solution, as was realizing that the pass transistor was common to all the other systems. A logical diagnostic step would have been to put a voltmeter on the supply line to see what happened when things shut down. Understanding how a system works is a big part of good diagnostics, and looking at a power supply output would be a good first check, based on the description of the problem. The next check would have been to monitor just upstream from that point, and see if the voltage there also failed when the machine shut down.

This is not some brilliant insight of mine, but rather a reasonable diagnostic approach. Find where it doesn't work, and then go upstream to where it does work, and the fault should be in between those points.

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