Temperature-Nonthermal Relationship Example - Revision history

Lisa Hacker at 19:03, 18 September 2023

2023-09-18T19:03:46Z

← Older revision		Revision as of 19:03, 18 September 2023
Line 1:		Line 1:
	<noinclude>{{Banner_ALTA_Examples}}		<noinclude>{{Banner_ALTA_Examples}}
	''This example appears in the [~~[Temperature-NonThermal_Relationship#T-NT_Lognormal\|~~Accelerated ~~Life Testing Data Analysis Reference~~]~~] book~~.''		''This example appears in the [https://help.reliasoft.com/reference/accelerated_life_testing_data_analysis Accelerated life testing reference].''

	</noinclude>		</noinclude>

Richard House at 21:50, 21 September 2012

2012-09-21T21:50:59Z

← Older revision		Revision as of 21:50, 21 September 2012
Line 15:		Line 15:
	\widehat{C}=\ & 0.035292 \\		\widehat{C}=\ & 0.035292 \\
	\widehat{n}=\ & 0.776797		\widehat{n}=\ & 0.776797
	\end{align}</math>		\end{align}\,\!</math>

Lisa Hacker at 03:26, 16 August 2012

2012-08-16T03:26:24Z

← Older revision		Revision as of 03:26, 16 August 2012
Line 3:		Line 3:

	</noinclude>		</noinclude>
	~~Twelve~~ electronic devices were put into a continuous accelerated life test and the following data were collected.		12 electronic devices were put into a continuous accelerated life test and the following data were collected.

	[[Image:ALTA10t1.png\|center\|400px\|]]		[[Image:ALTA10t1.png\|center\|400px\|]]

Kate Racaza: added link to ALTA book

2012-08-14T02:09:50Z

added link to ALTA book

← Older revision		Revision as of 02:09, 14 August 2012
Line 1:		Line 1:
	<noinclude>{{Banner_ALTA_Examples}}		<noinclude>{{Banner_ALTA_Examples}}
	</noinclude>Twelve electronic devices were put into a continuous accelerated life test and the following data were collected.		''This example appears in the [[Temperature-NonThermal_Relationship#T-NT_Lognormal\|Accelerated Life Testing Data Analysis Reference]] book.''

			</noinclude>
			Twelve electronic devices were put into a continuous accelerated life test and the following data were collected.

	[[Image:ALTA10t1.png\|center\|400px\|]]		[[Image:ALTA10t1.png\|center\|400px\|]]

	Using ALTA and the T-NT lognormal model, the following parameters were obtained:		Using ALTA and the T-NT lognormal model, the following parameters were obtained:


	::<math>\begin{align}		::<math>\begin{align}
Line 12:		Line 16:
	\widehat{n}=\ & 0.776797		\widehat{n}=\ & 0.776797
	\end{align}</math>		\end{align}</math>


	A probability plot, with the 2-sided 90% confidence bounds for the use stress levels of 323K and 2V, is shown next.		A probability plot, with the 2-sided 90% confidence bounds for the use stress levels of 323K and 2V, is shown next.

	[[Image:T-NT_Ex1.gif\|center\|600px\|Probability plot for the use stress levels of 323K and 2V]]		[[Image:T-NT_Ex1.gif\|center\|600px\|Probability plot for the use stress levels of 323K and 2V]]


	An acceleration factor plot, in which one of the stresses must be kept constant, can also be obtained. For example, in the following plot, the acceleration factor is plotted versus temperature given a constant voltage of 2V.		An acceleration factor plot, in which one of the stresses must be kept constant, can also be obtained. For example, in the following plot, the acceleration factor is plotted versus temperature given a constant voltage of 2V.

	[[Image:T-NT_Ex2.gif\|center\|600px\|Acceleration facton versus temperature given a constant voltage of 2V]]		[[Image:T-NT_Ex2.gif\|center\|600px\|Acceleration facton versus temperature given a constant voltage of 2V]]

Richard House at 07:43, 7 August 2012

2012-08-07T07:43:16Z

← Older revision		Revision as of 07:43, 7 August 2012
Line 1:		Line 1:
	<noinclude>{{Banner_ALTA_Examples}}		<noinclude>{{Banner_ALTA_Examples}}
	</noinclude>Twelve electronic devices were put into a continuous accelerated life test and the following data were collected.		</noinclude>Twelve electronic devices were put into a continuous accelerated life test and the following data were collected.
	~~<br>~~

	~~<br>~~
	[[Image:ALTA10t1.png\|center\|400px\|]]		[[Image:ALTA10t1.png\|center\|400px\|]]
	~~<br>~~

	~~<br>~~
	Using ALTA and the T-NT lognormal model, the following parameters were obtained:		Using ALTA and the T-NT lognormal model, the following parameters were obtained:

	~~<br>~~
	::<math>\begin{align}		::<math>\begin{align}
	\widehat{Std}=\ & 0.182558 \\		\widehat{Std}=\ & 0.182558 \\
Line 18:		Line 13:
	\end{align}</math>		\end{align}</math>

	~~<br>~~
	A probability plot, with the 2-sided 90% confidence bounds for the use stress levels of 323K and 2V, is shown next.		A probability plot, with the 2-sided 90% confidence bounds for the use stress levels of 323K and 2V, is shown next.


	[[Image:T-NT_Ex1.gif\|center\|600px\|Probability plot for the use stress levels of 323K and 2V]]		[[Image:T-NT_Ex1.gif\|center\|600px\|Probability plot for the use stress levels of 323K and 2V]]



	An acceleration factor plot, in which one of the stresses must be kept constant, can also be obtained. For example, in the following plot, the acceleration factor is plotted versus temperature given a constant voltage of 2V.		An acceleration factor plot, in which one of the stresses must be kept constant, can also be obtained. For example, in the following plot, the acceleration factor is plotted versus temperature given a constant voltage of 2V.


	[[Image:T-NT_Ex2.gif\|center\|600px\|Acceleration facton versus temperature given a constant voltage of 2V]]		[[Image:T-NT_Ex2.gif\|center\|600px\|Acceleration facton versus temperature given a constant voltage of 2V]]

Richard House at 07:59, 3 August 2012

2012-08-03T07:59:50Z

← Older revision		Revision as of 07:59, 3 August 2012
Line 22:		Line 22:


	[[Image:T-NT_Ex1.gif\|center\|~~550px~~\|Probability plot for the use stress levels of 323K and 2V]]		[[Image:T-NT_Ex1.gif\|center\|600px\|Probability plot for the use stress levels of 323K and 2V]]


Line 29:		Line 29:


	[[Image:T-NT_Ex2.gif\|center\|~~550px~~\|Acceleration facton versus temperature given a constant voltage of 2V]]		[[Image:T-NT_Ex2.gif\|center\|600px\|Acceleration facton versus temperature given a constant voltage of 2V]]

Kate Racaza: updated banner

2012-08-02T01:54:39Z

updated banner

← Older revision		Revision as of 01:54, 2 August 2012
Line 1:		Line 1:
	{~~\| class="FCK__ShowTableBorders" border="0" cellspacing="0" cellpadding="0" align="center"; style="width:100%;"~~		<noinclude>{{Banner_ALTA_Examples}}
	\|-		</noinclude>Twelve electronic devices were put into a continuous accelerated life test and the following data were collected.
	~~\| valign="middle" align="left" bgcolor=EEEDF7\|[[Image: ALTA_Examples_Banner.png\|400px\|center]]~~
	\|}
	<br>
	Twelve electronic devices were put into a continuous accelerated test and the following data were collected.
	<br>		<br>

Line 23:		Line 19:

	<br>		<br>
	A probability plot with the 2-sided 90% confidence bounds for the use stress levels of 323K and 2V is shown next.		A probability plot, with the 2-sided 90% confidence bounds for the use stress levels of 323K and 2V, is shown next.
	~~<br>~~
	[[Image:T-NT_Ex1.gif~~\|thumb~~\|center\|~~400px~~\|Probability plot for the use stress levels of 323K and 2V]]
	~~<br>~~		[[Image:T-NT_Ex1.gif\|center\|550px\|Probability plot for the use stress levels of 323K and 2V]]
	An acceleration factor plot, in which one of the stresses must be kept constant, can also be obtained. For example, in the following plot, the acceleration factor is plotted versus temperature given a constant voltage of 2V~~, as shown next~~.
	~~<br>~~
	~~[[Image:T-NT_Ex2.gif\|thumb\|center\|400px\|Acceleration facton versus temperature given a constant voltage of 2V]]~~
			An acceleration factor plot, in which one of the stresses must be kept constant, can also be obtained. For example, in the following plot, the acceleration factor is plotted versus temperature given a constant voltage of 2V.


	~~<br>~~		[[Image:T-NT_Ex2.gif\|center\|550px\|Acceleration facton versus temperature given a constant voltage of 2V]]

Chris Kahn: moved TNT Example to Temperature-Nonthermal Relationship Example

2012-07-27T09:57:53Z

moved TNT Example to Temperature-Nonthermal Relationship Example

← Older revision	Revision as of 09:57, 27 July 2012
(No difference)

Chris Kahn at 09:56, 27 July 2012

2012-07-27T09:56:36Z

← Older revision		Revision as of 09:56, 27 July 2012
Line 1:		Line 1:
	{\| class="FCK__ShowTableBorders" border="0" cellspacing="0" cellpadding="0" align="center"; style="width:100%;"		{\| class="FCK__ShowTableBorders" border="0" cellspacing="0" cellpadding="0" align="center"; style="width:100%;"
	\|-		\|-
	\| valign="middle" align="left" bgcolor=EEEDF7\|[[Image: ~~ALTA-Examples-banner~~.png\|400px\|center]]		\| valign="middle" align="left" bgcolor=EEEDF7\|[[Image: ALTA_Examples_Banner.png\|400px\|center]]
	\|}		\|}
	<br>		<br>

Nikki Helms: Created page with '{| class="FCK__ShowTableBorders" border="0" cellspacing="0" cellpadding="0" align="center"; style="width:100%;" |- | valign="middle" align="left" bgcolor=EEEDF7|[[Image: ALTA-Exa…'

2012-03-21T21:59:42Z

Created page with '{| class="FCK__ShowTableBorders" border="0" cellspacing="0" cellpadding="0" align="center"; style="width:100%;" |- | valign="middle" align="left" bgcolor=EEEDF7|[[Image: ALTA-Exa…'

New page

{| class="FCK__ShowTableBorders" border="0" cellspacing="0" cellpadding="0" align="center"; style="width:100%;"
|-
| valign="middle" align="left" bgcolor=EEEDF7|[[Image: ALTA-Examples-banner.png|400px|center]]
|}
 
Twelve electronic devices were put into a continuous accelerated test and the following data were collected.
 

 
[[Image:ALTA10t1.png|center|400px|]]
 

 
Using ALTA and the T-NT lognormal model, the following parameters were obtained:

 
::<math>\begin{align}
\widehat{Std}=\ & 0.182558 \\
\widehat{B}=\ & 3729.650303 \\
\widehat{C}=\ & 0.035292 \\
\widehat{n}=\ & 0.776797
\end{align}</math>

 
A probability plot with the 2-sided 90% confidence bounds for the use stress levels of 323K and 2V is shown next.
 
[[Image:T-NT_Ex1.gif|thumb|center|400px|Probability plot for the use stress levels of 323K and 2V]]
 
An acceleration factor plot, in which one of the stresses must be kept constant, can also be obtained. For example, in the following plot, the acceleration factor is plotted versus temperature given a constant voltage of 2V, as shown next.
 
[[Image:T-NT_Ex2.gif|thumb|center|400px|Acceleration facton versus temperature given a constant voltage of 2V]]