Generalização dos conceitos de manutibilidade e disponibilidade: 1.ª parte - manutibilidade

Page 1

*HQHUDOL]D¾R GRV FRQFHLWRV GH PDQXWLELOLGDGH H GLVSRQLELOLGDGH

M 117

12

ARTIGO CIENTÍFICO

& 3(5(,5$ &$%5,7$ - &$5/26 0$7,$6 ) %,*$5(6 6$1726 & $1781(6 )(51$1'(6 'HSDUWDPHQWR GH (QJHQKDULD (OHFWURPHF½QLFD )DFXOGDGH GH (QJHQKDULD 8QLYHUVLGDGH GD %HLUD ,QWHULRU FDEULWD#XEL SW

D 3DUWH s 0DQXWLELOLGDGH

5(6802

$SUHVHQWD VH QHVWD SULPHLUD SDUWH D GHPRQVWUD¾R GDV H[SUHVVÐHV JHQHUDOL]DGDV GD IXQ¾R PDQXWLELOLGDGH H GD PDQXWLELOLGDGH GH XP EHP H[SRQGR VH XPD YLV¾R FUÈWLFD HP UHOD¾R » VXD GHƬQL¾R SUREDELOÈVWLFD XVXDOPHQWH DFHLWH FRP D ƬQDOLGDGH GH VH PHOKRUDU HVWD GHƬQL¾R

OLGDGHV GH LQWHUYHQ¾R FRPSOHWD H GH LQWHUYHQ¾R DLQGD Q¾R FRQFOXÈGD VHU¾R GHƬQLGDV DWUDYÄV UHVSHWLYDPHQWH GDV VHJXLQWHV H[SUHVVÐHV

,1752'8¢ 2

FRPSRQHQWH DSDUHOKR VXEVLVWHPD XQL

'H DFRUGR FRP D QRUPDOL]D¾R SRUWX

GDGH IXQFLRQDO HTXLSDPHQWR RX VLVWHPD

JXHVD H HXURSHLD HP YLJRU > @ GHƬ

TXH SRGH VHU FRQVLGHUDGR LQGLYLGXDOPHQ

'HULYDQGR VHJXLGDPHQWH D H[SUHVV¾R

QH VH PDQXWLELOLGDGH PDLQWDLQDELOLW\

WHq > @

HP RUGHP DR WHPSR W YLU¼

PDLQWHQDELOLWÄ FRPR VHQGR D pDSWLG¾R

GH XP EHP VRE FRQGLÂÐHV GH XWLOL]D¾R GHƬQLGDV SDUD VHU PDQWLGR RX UHVWDXUD GR GH WDO PRGR TXH SRVVD FXPSULU XPD

&21&(,72 0$7(0 7,&2 '$ 0$187,%,/,'$'(

UHSUHVHQWDQGR I W XPD IXQ¾R GH SUR

&RQVLGHUHP VH 1 EHQV LJXDLV TXH LU¾R VHU VXMHLWRV D LQWHUYHQÂÐHV GH PD

EDELOLGDGH LQVWDQW½QHD GHVLJQDGD QD

¾R Ä UHDOL]DGD HP FRQGLÂÐHV GHƬQLGDV XWLOL]DQGR SURFHGLPHQWRV H UHFXUVRV

QXWHQ¾R GXUDQWH XP GHWHUPLQDGR

GHQVLGDGH GH SUREDELOLGDGHq 1R QRVVR

SUHVFULWRVq $LQGD GH DFRUGR FRP > @

LQWHUYDOR GH WHPSR W 1HVWDV FRQGL

FDVR FRQFUHWR I W VHU¼ HQW¾R D pIXQ¾R

D pPDQXWLELOLGDGHq SRGH WDPEÄP VHU

ÂÐHV WRGRV HOHV DSUHVHQWDP LJXDO SUR

GHQVLGDGH GH SUREDELOLGDGH GH PDQXWHQ

XWLOL]DGD FRPR XPD PHGLGD GD PDQX

EDELOLGDGH GH VHUHP PDQWLGRV QHVVH

¾Rq RX pGHQVLGDGH GH SUREDELOLGDGH GRV

WLELOLGDGH SRGHQGR DVVLP VHU GHƬQLGD

LQWHUYDOR GH WHPSR FXPSULQGR DV FRQ

WHPSRV GH PDQXWHQ¾Rq WUDGX]LQGR D

GH XPD IRUPD JHQHUDOL]DGD QD QRVVD

GLÂÐHV RSHUDFLRQDLV SUHYLDPHQWH HVSH

SHUFHQWDJHP GH EHQV TXH V¾R PDQWL

RSLQL¾R FRPR D SUREDELOLGDGH GH XPD

FLƬFDGDV $VVLP FDGD XP GHVVHV EHQV

GRV QD XQLGDGH GH WHPSR HP UHOD¾R

LQWHUYHQ¾R GH PDQXWHQ¾R FRUUHWLYD

DSUHVHQWD XPD SUREDELOLGDGH GH VHU

DR QÕPHUR WRWDO GH EHQV TXH DJXDU

SUHYHQWLYD RX PHOKRUDWLYD VREUH XP

PDQWLGR 0$ W H XPD SUREDELOLGDGH GH

EHP GXUDU XP GHWHUPLQDGR SHUÈR

Q¾R VHU PDQWLGR 10 W DWÄ DR LQVWDQ

QR LQVWDQWH W RX QR LQWHUYDOR GH WHPSR

GR GH WHPSR 7RGDYLD WHP VLGR XVXDO

WH GH WHPSR W VDOLHQWDQGR VH FRPR Ä

GW 0DQLSXODQGR PDWHPDWLFDPHQWH D

GHƬQLU VH PDWHPDWLFDPHQWH D pPDQXWL

HYLGHQWH TXH D SULPHLUD GDV SUREDEL

H[SUHVV¾R REWÄP VH

ELOLGDGHq FRPR D pSUREDELOLGDGH GH XPD

OLGDGHV YDL DXPHQWDQGR SURJUHVVLYD

UHSDUD¾R GXUDU DWÄ XP GHWHUPLQDGR LQ

PHQWH HQTXDQWR TXH D VHJXQGD YDL

WHUYDOR GH WHPSR 775 s 7LPH 7R 5HSDLU

GLPLQXLQGR VHQGR DVVLP FRPSOHPHQ

7HPSR 'H 5HSDUD¾R q GHƬQL¾R HVWD

WDUHV RX VHMD

IXQ¾R UHTXHULGD TXDQGR D PDQXWHQ

WHRULD GDV SUREDELOLGDGHV SRU pIXQ¾R

GDP LQWHUYHQÂÐHV GH PDQXWHQ¾R 1

TXH Ä EDVWDQWH OLPLWDWLYD QD PHGLGD HP TXH WHP DSHQDV HP OLQKD GH FRQWD

3RU FRQVHJXLQWH D SUREDELOLGDGH GH PDQXWHQ¾R 0$ W UHSUHVHQWD D pIXQ

DV LQWHUYHQÂÐHV GH PDQXWHQ¾R FRUUH WLYD H Q¾R REHGHFH HP WHUPRV JHUDLV

FRQVWDWDQGR VH TXH » PHGLGD TXH R

¾R GH SUREDELOLGDGH DFXPXODGD GH LQ

» GHƬQL¾R H[SRVWD HP > @ &RPR WDO

WHPSR W YDL DXPHQWDQGR 0$ W YDL

WHUYHQÂÐHV GH PDQXWHQ¾Rq GHVGH R

SURSÐH VH QHVWH WUDEDOKR D DGR¾R GH

FUHVFHQGR DWÄ DWLQJLU R VHX YDORU P¼

LQVWDQWH W HP TXH VH LQLFLD D PDQX

XPD H[SUHVV¾R JHQHUDOL]DGD SDUD D

[LPR TXH Ä LJXDO » XQLGDGH HQTXDQWR

PDQXWLELOLGDGH H[SRQGR VH D VXD GH

TXH 10 W YDL GHFUHVFHQGR DWÄ DR VHX

QÄULFR W (VWD IXQ¾R UHSUHVHQWD DVVLP

PRQVWUD¾R GHWDOKDGD EDVHDGD SRU

YDORU PÈQLPR LVWR Ä ]HUR 1R LQVWDQWH W

D pIXQ¾R PDQXWLELOLGDGHq 3RU RXWUR

VXD YH] QD GHPRQVWUD¾R GD H[SUHVV¾R

VH H[LVWLUHP 10$ W EHQV M¼ LQWHUYHQFLR

ODGR D pIXQ¾R GH Q¾R PDQXWHQ¾Rq RX

GD ƬDELOLGDGH > @ 5HFRUGH VH TXH XP pEHPq RX pLWHPq Ä pTXDOTXHU HOHPHQWR

QDGRV H 110 W EHQV DLQGD Q¾R VXMHLWRV

WRWDOPHQWH D LQWHUYHQ¾R DV SUREDEL

WHQ¾R GRV 1 EHQV DWÄ DR LQVWDQWH JH

VHMD D SUREDELOLGDGH GH Q¾R VH FRQVH JXLU FRQFOXLU D PDQXWHQ¾R GH XP EHP


¾R WHP VH XP WHPSR GH LPRELOL]D¾R

VHQGR R 0HDQ 5HSDLU 7LPH R YDORU PÄ

QL¾R GH PDQXWLELOLGDGH FRQWXGR FRQ

SRU DYDULD Q¾R QXOR

GLR GRV WHPSRV GH UHSDUD¾R +¼ DLQGD

VLGHUD RV WHPSRV GH PDQXWHQ¾R FRPR

TXH WHU HP DWHQ¾R R VHJXLQWH

VHQGR H[FOXVLYDPHQWH GH PDQXWHQ¾R DWLYD Q¾R FRQVLGHUDQGR RV WHPSRV GH

&RPR Ä HYLGHQWH R FRQFHLWR GH PD 770& 775 FRUUHVSRQGH DR LQWHUYDOR

DWUDVR ORJÈVWLFRV H DGPLQLVWUDWLYRV FRQ

UHSDU¼YHLV FRP WHPSR GH DYDULD Q¾R

GH WHPSR FRPSUHHQGLGR HQWUH R LQV

WUDULDPHQWH » QRVVD GHPRQVWUD¾R 1R

QXOR WHQGR VH DV VHJXLQWHV GHƬQLÂÐHV

WDQWH HP TXH R EHP IDOKD H R LQVWDQ

HQWDQWR FUHPRV TXH DPEDV DV RSÂÐHV

DVVRFLDGDV > @

WH HP TXH UHWRPD QRYDPHQWH R VHX

V¾R FRUUHWDV

QXWLELOLGDGH DSOLFD VH VRPHQWH D EHQV

ERP IXQFLRQDPHQWR RX R VHX HVWDGR 5HI 0DLQWHQDELOLWÄ 0DLQWDLQDELOLW\

GH GLVSRQLELOLGDGH (QJORED VHTXHQ

1¾R FRQVLGHUDU RV DWUDVRV ORJÈVWLFRV H

0DQXWLELOLGDGH 3DUD XP GHWHUPLQDGR LWHP

FLDOPHQWH RV WHPSRV SDUFHODUHV GH

DGPLQLVWUDWLYRV FRUUHVSRQGH D HQWHQ

XWLOL]DGR HP FRQGLÂÐHV GH XVR HVSHFLƬFDGDV

DWUDVR ORJÈVWLFR DWUDVR WÄFQLFR DWUDVR

GHU VH GH IRUPD UHVWULWD R FRQFHLWR GH

Ä D SUREDELOLGDGH GH XPD GDGD RSHUD¾R

DGPLQLVWUDWLYR FKDPDGD GRV WÄFQLFRV

PDQXWLELOLGDGH RX VHMD D PDLRU RX

GH PDQXWHQ¾R VHU HIHWXDGD GXUDQWH XP

FRPXQLFD¾R GR DFRQWHFLPHQWR GH

PHQRU IDFLOLGDGH FRP TXH DV DÂÐHV

LQWHUYDOR GH WHPSR GHƬQLGR TXDQGR HVVD

GLDJQÎVWLFR GD DYDULD GH SURFXUD GDV

GH PDQXWHQ¾R DWLYD FRQVHJXHP VHU

PDQXWHQ¾R Ä DVVHJXUDGD VRE GHWHUPLQDGDV

SHÂDV GH UHVHUYD GH FRUUH¾R GD DYD

UHDOL]DGDV 2X VHMD WHP VH HP FRQWD

FRQGLÂÐHV XWLOL]DQGR SURFHGLPHQWRV H

ULD GR HQVDLR DSÎV D FRUUH¾R H GR

H[FOXVLYDPHQWH RV WHPSRV GLWRV WÄF

UHFXUVRV SUHVFULWRV

DWUDVR ORJÈVWLFR DQWHV GD VXD HQWUDGD

QLFRV DWUDVR WÄFQLFR GLDJQÎVWLFR GD

5HI 7DX[ 0R\HQ GH 5ÄSDUDWLRQ

HP ERP IXQFLRQDPHQWR

DYDULD SURFXUD GDV SHÂDV GH UHVHUYD

9DORU 0ÄGLR GD 7D[D GH 5HSDUD¾R

770 FRUUHVSRQGH DR LQWHUYDOR GH WHP

SURSULDPHQWH GLWD H HQVDLR DSÎV D LQ

,QVWDQW½QHD QXP ,QWHUYDOR GH 7HPSR W W

SR FRPSUHHQGLGR HQWUH R LQVWDQWH HP

WHUYHQ¾R

5HI 'XUÄH 0R\HQQH GH 5ÄSDUDWLRQ

TXH R EHP Ä LPRELOL]DGR H R LQVWDQWH HP

0HDQ 5HSDLU 7LPH 7HPSR 0ÄGLR GH

TXH UHWRPD QRYDPHQWH R VHX HVWDGR GH

&RQVLGHUDU RV DWUDVRV ORJÈVWLFRV H DGPL

5HSDUD¾R (VSHUDQÂD 0DWHP¼WLFD GD 'XUD¾R

ERP IXQFLRQDPHQWR RX GH GLVSRQLELOL

QLVWUDWLYRV HVW¼ GH DFRUGR FRP XP FRQ

GR 7HPSR GH 5HSDUD¾R 057 DEUHYLDWXUD

GDGH (QJORED DV DWLYLGDGHV LQHUHQWHV »

FHLWR DPSOR GH PDQXWLELOLGDGH HP TXH

5HI 'XUÄH 0R\HQQ GH 0DLQWHQDQFH

PDQXWHQ¾R SURSULDPHQWH GLWD DVVLP

VH GHYH WHU HP FRQWD D WRWDOLGDGH GR

&RUUHFWLYH $FWLYH 0HDQ $FWLYH &RUUHFWLYH

FRPR RV DWUDVRV DGPLQLVWUDWLYRV H ORJÈV

WHPSR GH LPRELOL]D¾R GR EHP GHVGH

0DLQWHQDQFH 7HPSR 0ÄGLR GH 0DQXWHQ¾R

WLFRV QR LQÈFLR H QR ƬQDO GR SHUÈRGR

R LQVWDQWH HP TXH FHVVD IXQÂÐHV SDUD VDV IXQÂÐHV

5HI 'XUÄH 0R\HQQH GH 3DQQH

'H DFRUGR FRP D 1RUPD ,(&

0HDQ 7LPH WR 5HVWRUDWLRQ 0ÄGLD GRV 7HPSRV

> @ VH RV WHPSRV GH PDQXWHQ¾R DWLYD

GH 5HFXSHUD¾R 0775 DEUHYLDWXUD

REHGHFHP D XPD GLVWULEXL¾R H[SR

(VSHUDQÂD PDWHP¼WLFD GD GXUD¾R GR WHPSR

QHQFLDO QHJDWLYD D IXQ¾R PDQXWHQ¾R

5()(5¥1&,$6 %,%/,2*5 ),&$6

GH DYDULD $FRQVHOKD VH D Q¾R XWLOL]D¾R GD

Ä GDGD SHOD H[SUHVV¾R

> @ 1RUPD 3RUWXJXHVD 13 (1 p7HUPL QRORJLD GD 0DQXWHQ¾Rq ,QVWLWXWR 3RUWX

GHVLJQD¾R 0HDQ 7LPH WR 5HSDLU

&RPSDUDWLYDPHQWH FRP DV QRVVDV H[ 7RWDO 7LPH 7R 0DLQWHQDQFH 770& 7RWDO

JXÅV GD 4XDOLGDGH VHWHPEUR GH > @ 5XL $VVLV p$SRLR » 'HFLV¾R HP 0DQXWHQ¾R

VHQGR $0 D WD[D GH LQWHUYHQÂÐHV GH

PDQXWHQ¾R DWLYD GDGD SRU

7LPH 7R &RUUHFWLYH 0DLQWHQDQFH H 7703

QD *HVW¾R GH $FWLYRV )ÈVLFRVq /LGHO (GLÂÐHV 7ÄFQLFDV /GD /LVERD > @ & &DEULWD p5&0 s 0DQXWHQ¾R &HQWUDGD

7RWDO 7LPH 7R 3ODQQHG 0DLQWHQDQFH QD

1RUPD ,(& > @ SRGHP VHU FRQVL

QD )LDELOLGDGH 7HRULD 0ÄWRGRV ,QGLFDGR UHV GH 'HVHPSHQKR ([HUFÈFLRV 3U¼WLFRVq

GHUDGRV VHPHOKDQWHV UHVSHWLYDPHQWH

UHSUHVHQWDQGR 0$07 R 7HPSR 0ÄGLR

DR 7HPSV GH 0DLQWHQDQFH 0DLQWHQDQFH

GH 0DQXWHQ¾R $FWLYD 0HDQ $FWLYH

7LPH 7HPSR GH 0DQXWHQ¾R 5HI

0DLQWHQDQFH 7LPH $LQGD VHJXQGR > @

DR 7HPSV GH 0DLQWHQDQFH &RU

D PDQXWLELOLGDGH Ä GHƬQLGD FRPR

(GL¾R GR $XWRU 8QLYHUVLGDGH GD %HLUD ,Q WHULRU &RYLOK¾ > @ & 9DUHOD 3LQWR p2UJDQL]D¾R H *HVW¾R GD 0DQXWHQ¾Rq (GLÂÐHV 0RQLWRU /LVERD

UHFWLYH &RUUHFWLYH 0DLQWHQDQFH 7LPH

> @ 1RUPD ,QWHUQDFLRQDO &(, ,(&

7HPSR GH 0DQXWHQ¾R &RUUHWLYD 5HI H DR 7HPSV 'oHQWUHWLHQ 3UH

p9RFDEXODLUH (OHFWURWHFKQLTXH ,QWHUQDWLR QDO &KDSLWUH 6ÖUHWÄ GH IRQFWLRQQH

YHQWLYH 0DLQWHQDQFH 7LPH 7HPSR GH

3RU FRQVHJXLQWH FRUUHVSRQGH D

PHQW HW TXDOLWÄ GH VHUYLFHq &RPPLVVLRQ

0DQXWHQ¾R 3UHYHQWLYD RX 7HPSR GH

H D 1RWH VH TXH ID]HQGR

(OHFWURWHFKQLTXH ,QWHUQDWLRQDO *HQHEUD

&RQVHUYD¾R 5HI 3RU RX WUR ODGR R 5HSDLU 7LPH 7HPSR GH 5H SDUD¾R 5HI UHSUHVHQWD D SDUFHOD WHPSRUDO GH 775 RX 770& FRU

$0 0 W H W 770 REWÄP VH

6XÈÂD > @ 1RUPD ,QWHUQDFLRQDO &(, ,(& p([ SUHVVLRQV PDWKÄPDWLTXHV SRXU OHV WHUPHV GH ƬDELOLWÄ GH GLVSRQLELOLWÄ GH PDLQWHQD

UHVSRQGHQWH »V DWLYLGDGHV HIHWLYDV GH

6HP GÕYLGD TXH D 1RUPD ,(& JH

ELOLWÄ HW GH ORJLVWLTXH GH PDLQWHQDQFHq

UHSDUD¾R SURSULDPHQWH GLWD GR EHP

QHUDOL]D LJXDOPHQWH R FRQFHLWR H D GHƬ

,GHP ,ELGHP ,ELGHP M

15

VHU LQWHUYHQFLRQDGR DWÄ » UHWRPD GHV

&RUUHWLYD $WLYD

SUHVVÐHV RV WHPSRV SURSRVWRV 770

ARTIGO CIENTÍFICO

PDQXWHQ¾R FRUUHWLYD RX SODQHDGD

0HDQ 5HSDLU 5DWH 7D[D 0ÄGLD GH 5HSDUD¾R


Turn static files into dynamic content formats.

Create a flipbook
Issuu converts static files into: digital portfolios, online yearbooks, online catalogs, digital photo albums and more. Sign up and create your flipbook.