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Rob Spiegel
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Re: MOTION CONTROL
Rob Spiegel   1/3/2014 1:24:14 PM
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Taimoortariq, that makes sense. I would imagine simulation still saves a lot of time, since you're probably still eliminating possible bugs.

Rob Spiegel
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Re: Virtual prototyping
Rob Spiegel   1/3/2014 1:02:38 PM
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AnandY, yes, that's what I'm hearing -- that simulation save plenty of time in set-up. One thing I'm curious about is whether simulation also offers opportunity to make the system generally more efficient -- since it seems you would be able to entertain more variables and thus get the optimal configuration.

AnandY
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Gold
Re: Integrated control
AnandY   12/30/2013 2:08:15 PM
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Nice overview of how integrated control works and its importance. Another illustration of integrated control is to think of all the gears and cams in the system as a series of switches all located within the same small box. The small box, in this context, is the centralized controller from where all the cams and gears can be moved.

taimoortariq
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Re: MOTION CONTROL
taimoortariq   12/30/2013 1:38:36 PM
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Rob, simulation gives you an idea that your engineering concept is correct and that you have correctly managed to come up with an engineering solution to a problem, thats it. You might add alot of constraints and try to mimc the real time environment but you are never sure of the random errors that might appear in real time environment. So generally you have to tune your parametrs according to the real environment almost always. But then again simulation is a verification that your engineering solution is workable and is highly important.

Rob Spiegel
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Re: MOTION CONTROL
Rob Spiegel   12/30/2013 1:19:34 PM
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Taimoortariq, generally, is there much of a difference between the simulated set-up and the actual set-up? How much adjustment has to be done once things become real?

AnandY
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Re: Virtual prototyping
AnandY   12/30/2013 12:27:19 PM
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I totally agree with you Rob, the virtualization of prototypes through Computer aided design programs has made everything a lot more efficient. As designers, we no longer have to build a physical prototype only to have to restart the whole process after the prototype fails to function because of a simple miss during the design stage.

taimoortariq
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Gold
Re: MOTION CONTROL
taimoortariq   12/26/2013 2:16:21 AM
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Nice article Rob, I believe that simulation actually covers most of the issues. It will deal with almost of all of your design and engineering concept related problems. But many other random variables play there role during hardware assembly. The concept may be flawless but testing it in a real environment under various possible conditions is equally essential, especially for industrial automation!

taimoortariq
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Gold
Re: RISKY
taimoortariq   12/26/2013 2:04:27 AM
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Nice Point, I was actually wondering the same thing. There should be some redundant wire as well along with the main wire, that will work when one fails. Its still going to be less jumbled up and will provide even better safety!

bobjengr
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Platinum
Re: MOTION CONTROL
bobjengr   12/21/2013 6:18:09 PM
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Rob, Modeling techniques do not solve all of the problems.  You still have to make the assemblies, perform a "shake-down cruse", and make the necessary evaluations.  One HUGE issue is making sure the safety features; i.e. light curtains, palm switches, etc etc are in place and interlocked with controls on the equipment.  In my experience, this is accomplished, at least verified, only when the equipment is fully assembled and operating.  Again, excellent post.

Rob Spiegel
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Re: MOTION CONTROL
Rob Spiegel   12/16/2013 12:04:13 PM
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Yes, Bobjengr, I understand that simulation or modeling saves time as well as cost. Does it catch everything, or, are some problems only solved when you actually put everything together?

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