7/21/2019 ch13

1/21

1THE MANAGEMENT AND CONTROL OF QUALITY, 5e, 2002 South-Wete!"#Tho$o" Le%!"&"'TM

Ch%(te! )*

Re+&%&+&t

7/21/2019 ch13

2/21

2THE MANAGEMENT AND CONTROL OF QUALITY, 5e, 2002 South-Wete!"#Tho$o" Le%!"&"'TM

Re+&%&+&t

. Ge"e!%++ /e&"e/ % the %&+&t o %

(!o/u1t to (e!o!$ % e(e1te/ o3e! t&$e

. Fo!$%++ /e&"e/ % the(!o%&+&tth%t %(!o/u1t, (&e1e o e4u&($e"t, o! te$

(e!o!$&t &"te"/e/ u"1t&o" o! % t%te/

(e!&o/ o t&$eu"/e! (e1&&e/ o(e!%t&"'1o"/&t&o"

7/21/2019 ch13

3/21

*THE MANAGEMENT AND CONTROL OF QUALITY, 5e, 2002 South-Wete!"#Tho$o" Le%!"&"'TM

M%&"t%&"%&+&t

. The (!o%&+&t th%t % te$ o! (!o/u1t

1%" e !et%&"e/ &", o! o"e th%t h% %&+e/

1%" e !eto!e/ to, o(e!%t&"' 1o"/&t&o" &"

% (e1&&e/ %$ou"t o t&$e

7/21/2019 ch13

4/21

6THE MANAGEMENT AND CONTROL OF QUALITY, 5e, 2002 South-Wete!"#Tho$o" Le%!"&"'TM

T(e o F%&+u!e

. Fu"1t&o"%+ %&+u!e7 %&+u!e th%t o11u!

%t the t%!t o (!o/u1t +&e /ue to

$%"u%1tu!&"' o! $%te!&%+ /ete1t

. Re+&%&+&t %&+u!e7 %&+u!e %te! o$e

(e!&o/ o ue

7/21/2019 ch13

5/21

5THE MANAGEMENT AND CONTROL OF QUALITY, 5e, 2002 South-Wete!"#Tho$o" Le%!"&"'TM

T(e o Re+&%&+&t

. I"he!e"t !e+&%&+&t7 (!e/&1te/

(!o/u1t /e&'"

. A1h&e3e/ !e+&%&+&t7 oe!3e/ /u!&"'

ue

7/21/2019 ch13

6/21

8THE MANAGEMENT AND CONTROL OF QUALITY, 5e, 2002 South-Wete!"#Tho$o" Le%!"&"'TM

Re+&%&+&t Me%u!e$e"t

. F%&+u!e !%te 9:7 "u$e! o %&+u!e

(e! u"&t t&$e

. A+te!"%t&3e $e%u!e

7Me%" t&$e to %&+u!e

7Me%" t&$e et;ee" %&+u!e

7/21/2019 ch13

7/21

7/21/2019 ch13

8/21

=THE MANAGEMENT AND CONTROL OF QUALITY, 5e, 2002 South-Wete!"#Tho$o" Le%!"&"'TM

F%&+u!e R%te Cu!3e

>I"%"t

$o!t%+&t

(e!&o/?

7/21/2019 ch13

9/21

@THE MANAGEMENT AND CONTROL OF QUALITY, 5e, 2002 South-Wete!"#Tho$o" Le%!"&"'TM

A3e!%'e F%&+u!e R%te

7/21/2019 ch13

10/21

)0THE MANAGEMENT AND CONTROL OF QUALITY, 5e, 2002 South-Wete!"#Tho$o" Le%!"&"'TM

Re+&%&+&t Fu"1t&o"

. !o%&+&t /e"&t u"1t&o" o %&+u!e

9t: B e-t o! t 0

. !o%&+&t o %&+u!e !o$ 90, T:

F9t: B ) 7 e-T

. Re+&%&+&t u"1t&o"

R9T: B ) 7 F9T: B e-T

7/21/2019 ch13

11/21

))THE MANAGEMENT AND CONTROL OF QUALITY, 5e, 2002 South-Wete!"#Tho$o" Le%!"&"'TM

Se!&e Ste$

RS = R1R2... Rn

1 2 n

7/21/2019 ch13

12/21

)2THE MANAGEMENT AND CONTROL OF QUALITY, 5e, 2002 South-Wete!"#Tho$o" Le%!"&"'TM

%!%++e+ Ste$

RS = 1 - (1 - R1) (1 - R2)... (1 - Rn)

1

2

n

7/21/2019 ch13

13/21

)*THE MANAGEMENT AND CONTROL OF QUALITY, 5e, 2002 South-Wete!"#Tho$o" Le%!"&"'TM

Se!&e-%!%++e+ Ste$

. Co"3e!t to e4u&3%+e"t e!&e te$

AA BB

CC

CC

DD

RRAA RRBB RRCCRRDD

RRCC

AA BB CC DD

RRAA RRBB RRDD

RRCC= 1 (1-R= 1 (1-RCC)(1-R)(1-RCC))

7/21/2019 ch13

14/21

)6THE MANAGEMENT AND CONTROL OF QUALITY, 5e, 2002 South-Wete!"#Tho$o" Le%!"&"'TM

Re+&%&+&t E"'&"ee!&"'

. St%"/%!/&%t&o"

. Re/u"/%"1

. h&1 o %&+u!e

. Re+&%&+&t tet&"'

. u!"-&"

. F%&+u!e $o/e %"/ ee1t %"%+&

. F%u+t t!ee %"%+&

7/21/2019 ch13

15/21

)5THE MANAGEMENT AND CONTROL OF QUALITY, 5e, 2002 South-Wete!"#Tho$o" Le%!"&"'TM

7/21/2019 ch13

16/21

)8THE MANAGEMENT AND CONTROL OF QUALITY, 5e, 2002 South-Wete!"#Tho$o" Le%!"&"'TM

7/21/2019 ch13

17/21

)

7/21/2019 ch13

18/21

)=THE MANAGEMENT AND CONTROL OF QUALITY, 5e, 2002 South-Wete!"#Tho$o" Le%!"&"'TM

Co"&'u!%t&o" M%"%'e$e"t

. Et%+&h %((!o3e/ %e+&"e

1o"&'u!%t&o" 9/e&'":

. M%&"t%&" 1o"t!o+ o3e! %++ 1h%"'e &" the

%e+&"e (!o'!%$ 91h%"'e 1o"t!o+:

. !o3&/e t!%1e%&+&t o %e+&"e %"/

1h%"'e 91o"&'u!%t&o" %11ou"t&"':

7/21/2019 ch13

19/21

)@THE MANAGEMENT AND CONTROL OF QUALITY, 5e, 2002 South-Wete!"#Tho$o" Le%!"&"'TM

M%&"t%&"%&+&t

. M%&"t%&"%&+&t & the tot%+&t o /e&'"

%1to! th%t %++o; $%&"te"%"1e to e

%11o$(+&he/ e%&+. !e3e"t&3e $%&"te"%"1e !e/u1e the !&

o %&+u!e

. Co!!e1t&3e $%&"te"%"1e & the !e(o"e to%&+u!e

7/21/2019 ch13

20/21

20THE MANAGEMENT AND CONTROL OF QUALITY, 5e, 2002 South-Wete!"#Tho$o" Le%!"&"'TM

De&'" Iue

. A11e o (%!t o! !e(%&!

.Mo/u+%! 1o"t!u1t&o" %"/t%"/%!/&%t&o"

. D&%'"ot&1 !e(%&! (!o1e/u!e %"/

e(e!t te$

7/21/2019 ch13

21/21

2)THE MANAGEMENT AND CONTROL OF QUALITY, 5e, 2002 South-Wete!"#Tho$o" Le%!"&"'TM

A3%&+%&+&t

. O(e!%t&o"%+ %3%&+%&+&t

. I"he!e"t %3%&+%&+&t

MDTMTBM

MTBF

AO +=

MTTRMTBFMTBFA

O

+

=

MTM B $e%" t&$e et;ee"

$%&"te"%"1e

MTD B $e%" /o;" t&$e

MTF B $e%" t&$e et;ee"

%&+u!e

MTTR B $e%" t&$e to !e(%&!