Objective Test System Validation

M

mfigueiredo

#1
I didn't found using the search fuinction, so here goes:

- How to validate a test system (computer+measurement equipment) based on a list of spec that cannot be perfectly matched outside laboratory (measurement equipment influence)?

What are the best practices to validate a set of objective tests?


Thanks all.
 
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Pancho

wikineer
Super Moderator
#2
I didn't found using the search fuinction, so here goes:

- How to validate a test system (computer+measurement equipment) based on a list of spec that cannot be perfectly matched outside laboratory (measurement equipment influence)?

What are the best practices to validate a set of objective tests?


Thanks all.
Welcome to the Cove, mfigueiredo!

When you talk about validation, do you mean statistical validation? Can you please clarify or be more specific about your particular case? I think a bit more detail in the problem definition might help a knowledgeable Cover or two to provide you with some insights.

Pancho
 
M

mfigueiredo

#3
We are performing electrical tests on electronic parts in which we have our custom made software to measure several RF parameters, such as frequency response for several signals and current consumption (we are measuring electrical filters).

For every part we have a spec with a set of electrical tests.
For example: from frequency 100 MHz to 200 MHz it must be between 0 e -5 dB, for 200 MHz-600MHz must be on -5 dB to -10 dB, ... and so on.

My concern is how to validate that a test system is ok to run on production.
I want to 'hear' your touhghts on:
- how to validate that every test from the set is run?
- the setup it's correct for each test (frequency, Volts, ...)
- the results from automatic test system are slightly different from measuring in an ideal environment. What kind of process/documentation should we have to document/validate that every test specification on our test system is ok?
- if the measurement instrument send 'OK' to the software, as a result of the measurement, how to validate that is the very same decision by the whole test system (software with the operator interface running).
- What am I missing?

Best regards.
 
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