About Vibration analysis of machine using wavelet analysis and extraction techniques

I want to perform vibration analysis using accelerometer and NI DAQ please help me in VI development and how and which parameters should i extract from the raw signal. About Vibration analysis of machine using wavelet analysis and extraction techniques.
Nitesh Parmar
+91-9780900184
[email protected]

Lynn,
Thanks for the reply.
I'm attaching some pictures of the test rig. As you can see, we have a small servo motor sitting on top of the bearing, which is a small needle/thrust bearing, used in the planetary gears of automatic transmissions. The readings are being taken by a general purpose 100mV/g accelerometer, which you can see is mounted on the bottom of a fairly thick steel plate. I understand there can be some transmissibility problems when going through too much material? We seem to be getting a reading though. The only weight on the bearing is the motor and mounting plate, 5-10lbs. I considered adding weight, and that will probably be my next move.
I'm also attaching some runs I've made. One set is of a brand new bearing, the other set is of one I stuck in a sandblaster. It is now very obviously damaged, rough and noisy when you turn it. You should be able to open these files with the .vi attached to my previous post. The first tab will be the waveform, raw data. It is not accurately calibrated to g's, but I think it should be in the ballpark. The runs are comparable to each other anyway.
I'm not currently alligning the readings with the motor revolution. Maybe this is something I should look into? I have a very capable motor/drive setup for this...
I was previously using a legacy daq device, with which I couldn't wire the error lines into the digital line write tool. You are correct that I can now remove the while loops.
Whatever else I can provide to help you assist me here, let me know.
Thanks for the feedback.
Jeremy Backer
CLAD
Attachments:
Bearing Pics.zip ‏898 KB
Brand New.zip ‏3429 KB
Sand Blasted.zip ‏3426 KB

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at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
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Please suggest me if you have any other solutions for this problem.
Thanks in advance :)

I still think your problem is nothing to do with that ancient non-bug and that you should be looking elsewhere. You might be lucky and find someone here who can say "Ah, I know what that is" but I doubt it because since Oracle took over Sun this site has gone down hill big time.

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Mainly, I'm thinking of two possible uses for the Speech Analysis function, that I can use in our workflow.
1) Creating subtitles with the click of a button. We have a script for our video, which is narration only - with the help of a reference script, Speech Analysis reproduces the script nearly 100%, and now has timing associated with each word. Is there any way to take this timing and turn it into something that is useful for subtitle purposes?
2) Creating a transcription for clients. If we had an interview, and - without a script - did a Speech Analysis, [which I imagine would have varying amounts of success, but may be good enough] - how can we export that analysis, with some timing for reference, for the client to use.

Hi,
I'm not sure if this thread is really about the accuracy of the speech-to-text process, but because Frank_xrx asked, I thought I might give my own answer. I've been working with this workflow for the last four weeks now, and have finally decided that it is not possible to do serious work with the tools as they are at the moment.
All the comments from Adobe about the quality of the voice-recording affecting the accuracy of the text analysis are true, but, as others have noted, when your sound-track has spontaneous speech you cannot always separate one voice from the background, nor have recording-studio quality all the time. In such cases the text that is produced will simply not be accurate enough to use, whether you have attached an accurate script or not. Also, this speech analysis process does not like long pauses between speakers (e.g. if you have any action in your video, this will really mess up the timing of text that is produced).
However, above and beyond all this, the main flaw in the whole process, from my point of view, is that even with a word-perfect script typed into Story, attached to video clips in On Location, and then "speech-analyzed" in Premiere... if the resulting text has omissions or mistakes, there is almost nothing you can do to edit them. OK, I know there is an editing facility but it is a sham. If you add missing words into the text, then these words appear in the text, but they never get a time stamp, so they never appear in the exported xml-file, and they can never be used to "go to" a particular point in the video. If, like me, you want to find out where and how many times certain words are used in your video, then none of these newly added words will be found! Also, if you look closely, you'll find that you cannot add anything before the first word of the analyzed text that is produced in Premiere, nor can you add anything after the last word of that text. It is just not possible (right click on the first and last words to see the greyed out items). I've had several instances where the first speaker in a scene is completely missed out of the analyzed text, and also, in my experience, the analysis process always (i.e. always) misses off the last word in each scene, regardless of sound-track quality or the attachment of a full script. When these things happen this is a major problem for me. For me, the feature of searching for and playing back individual words or phrases in a video was the main attraction of the Production Premium Suite; this was why I bought it. I'm trying to produce spoken and visual "concordances", as a step up from the text-only versions now available (sorry if that's a bit esoteric).
I know that a lot of editing can be done to the analyzed text if you use After Effects. And this is great if you want to show subtitles. But anything you add, or change in AE is still beyond the reach of the xml files exported by Premiere or Encore, so, again, no changes you make in AE will be searchable (or findable) in the final video. There is another route to producing a text-searchable video, which involves putting physical cue points into the video whilst in AE, and then writing a Flash program to use those cue points, instead of using the xml-file data. I haven't tried that yet, as I kept on hoping that the (frequently) advertised speech-to-text workflow would actually work. But after four, increasingly frustrating weeks I've given up on it, simply because I can't get even a small proof-of-concept project to work exactly as advertised. Starting a serious project, with the current tools, would be unwise.
I realize that there must be work-arounds for some of the problems, but at the price of this suite (even more expensive for those of us who don't live in the US), I feel that things should work as advertised. This is not Version 1.0 from a start up company.
So, I hope this wasn't too verbose. I have specific requirements of the speech-to-text workflow which I've tried to explain above. If your requirements are not the same, then maybe you can get away with the work-arounds.. and... this thread was originally about subtitles, and there is some hope for those, using AE. I thought I'd still write this, though, as I need a bit of an outlet for all these weeks of frustration :o)

How to use memory analyser in CE 7.1 portal

Hi,
I want to use Memory Analyser in my landscape, i have installaed CE7.1 on oracle DB( remote DB) on my VM.I have downloaded the memory analyzer from the eclipse site and i have the memory analyser.exe file with me. How can i use this one to use in my server case. Currently i have installaed SAP JVM_5, and how can i get the heap dump from my SAP JVM and how can i import those hepa dumps in to my memory analyzer on the virtual machine.
Regards,
Pradeep J

Hi,
there are varios ways to get a heap dump. Have a look at this page:
http://wiki.sdn.sap.com/wiki/pages/viewpage.action?pageId=33456
If you want to trigger a heap dump on your own, ust the jvmmon tool from the SAP JVM.
Then you need to copy the heap dump to a place where Memory Analyzer can open it. In Memory Analyzer just ust the File -> Open Heap Dump menu.
Does this help?
Regards,
Krum

'Use Memory Analysis' of WebiProcessing in HP-IA64

Hi. I have a question about 'Use Memory Analysis' option of WebiProcessingServer.
According to Administrator's Guide, this option prevents memory curruption when BOE works as 32-bit application.
(maxmum memory setting is limited to 2000MB)
Then in my thinking, it's useless when BOE works as 64-bit application in HP-IA64.
So it's better that turn off that check box. Is this right ?
There is no detail description about what happened when this option turned off.

Hi
Yes, as you are running a 64-bit software on 64-bit OS, your webi processes will be able to consume > 2GB RAM.
you will need to disable memory analysis which limits you upto 2GB. While disabling memory analysis will allow Webi processes to run for > 2GB memory, there will be no control wherein the process could run away after 4 GB or whereever it hits a limit and crash. Memory analysis is a good setting as it prevents webi processes from crashing.
Lastly, you must always try to design reports and processes which dont push processes to run away using such large memory footprint.
regards
shiva

I have adobe photoshop CS6 and I am trying to use the analysis tools but all of them except for the ruler tool are unavailable. Am I missing certain plug ins?

I have adobe photoshop CS6 and I am trying to use the analysis tools but all of them except for the ruler tool are unavailable. Am I missing certain plug ins?

Which operating system?
If I recall, some features were not fully supported on XP.
Nancy O.

How to use report designer using bex analyser give screenshots details

how to use report designer using bex analyser give screenshots details

Hi,
As per my understanding you want to see Query Designer when you execute the query in BEx Analyzer.
When you launch BEx analyzer,you should be able to see new tab of "Business Explorer" in your Toolbar.
So,when you execute the query in BEx analyzer,in order to goto query designer screen,click on Tab "Business Explorer",select option "Change Query" and then select the option "ChangeQuery (Global Definition)".
It will open the query designer in which you can modify the query and save it.
Regards,
Nilima

How to use report designer using bex analyser ineed screeenshots steps

how to use report designer using bex analyser ineed screeenshots steps

Please try to search and stop asking for all types of screen shots. Thanks!

How to use bexweb analyser in the webbrowser

Hi ALL,
Suggest me .how to use bexweb analyser in the webbrowser?
Regards,
Suman

Hi,
A useful link for you..!!
http://help.sap.com/saphelp_nw04s/helpdata/en/0d/af12403dbedd5fe10000000a155106/frameset.htm
-Pradnya

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