Template:LSRstats: Difference between revisions

From ReliaWiki
Jump to navigation Jump to search
No edit summary
No edit summary
Line 9: Line 9:
| align="center" valign="middle" bgcolor="rgb(240,240,237)" | Life Distribution
| align="center" valign="middle" bgcolor="rgb(240,240,237)" | Life Distribution
|-
|-
| rowspan="3" | <math>f(t,V)=\frac{\beta }{C\cdot {{e}^{\frac{B}{V}}}}{{\left( \frac{t}{C\cdot {{e}^{\tfrac{B}{V}}}} \right)}^{\beta -1}}{{e}^{-{{\left( \tfrac{t}{C\cdot {{e}^{\tfrac{B}{V}}}} \right)}^{\beta }}}}</math>
| rowspan="3" | {{{2}}}
| {{weibull2pdf}}
| {{{{3}}}
|-
|-
| align="center" valign="middle" bgcolor="rgb(240,240,237)" | Life Stress Relationship
| align="center" valign="middle" bgcolor="rgb(240,240,237)" | Life Stress Relationship

Revision as of 14:23, 16 July 2011

{{{1}}}
Model Life Distribution
{{{2}}} {{{{3}}}
Life Stress Relationship
[math]\displaystyle{ L(V)=C{{e}^{\tfrac{B}{V}}} }[/math]
Type Exponential LSR
Reliability [math]\displaystyle{ R(T,V)={{e}^{-{{\left( \tfrac{T}{C\cdot {{e}^{\tfrac{B}{V}}}} \right)}^{\beta }}}} }[/math]
Reliable Life [math]\displaystyle{ {T(R)}=C\cdot {{e}^{\tfrac{B}{V}}}{{\left\{ -\ln \left[R\right] \right\}}^{\tfrac{1}{\beta }}} }[/math]
BX Life [math]\displaystyle{ {BX}=C\cdot {{e}^{\tfrac{B}{V}}}{{\left\{ -\ln \left[1-{\frac{X}{100}}\right] \right\}}^{\tfrac{1}{\beta }}} }[/math]
Failure Rate [math]\displaystyle{ \lambda \left( T,V \right)=\frac{f\left( T,V \right)}{R\left( T,V \right)}=\frac{\beta }{C\cdot {{e}^{\tfrac{B}{V}}}}{{\left( \frac{T}{C\cdot {{e}^{\tfrac{B}{V}}}} \right)}^{\beta -1}} }[/math]
Mean or MTTF [math]\displaystyle{ \overline{T}=C\cdot {{e}^{\tfrac{B}{V}}}\cdot \Gamma \left( \frac{1}{\beta }+1 \right) }[/math]
Median [math]\displaystyle{ \breve{T}=C\cdot {{e}^{\tfrac{B}{V}}}{{\left( \ln 2 \right)}^{\tfrac{1}{\beta }}} }[/math]
Mode [math]\displaystyle{ \tilde{T}=C\cdot {{e}^{\tfrac{B}{V}}}{{\left( 1-\frac{1}{\beta } \right)}^{\tfrac{1}{\beta }}} }[/math]
Standard deviation [math]\displaystyle{ {{\sigma }_{T}}=C\cdot {{e}^{\tfrac{B}{V}}}\cdot \sqrt{\Gamma \left( \frac{2}{\beta }+1 \right)-{{\left( \Gamma \left( \frac{1}{\beta }+1 \right) \right)}^{2}}} }[/math]