ARTIGO CIENTÍFICO
Maintenance management: ideas using robotics in hazardous environments Luís Pires lpires@inete.pt INETE – Instituto de Educação Técnica
åÏĘĹŅĬŅčƼ ʱŸ ÆåÏŅĵå ƋĘå ŸŅĬƚƋĜŅĹ ƋŅ ĵ±ĹƼ ĬŅĹčěŸƋ±ĹÚĜĹč ŞųŅÆĬåĵŸØ ±ĹÚ ƵĘĜĬå ÏƚųųåĹƋ ƋåÏĘĹŅĬŅčĜåŸ ĵ±Ƽ Æå åýåÏƋĜƴåØ ĜƋ ĜŸ ü±ų üųŅĵ üƚĬĬƼ ±ÚÚų域ĜĹč ƋĘå ĘƚčØ ÏŅĵŞĬåƻØ ÚĜþÏƚĬƋ ±ĹÚ ÏʱĬĬåĹčĜĹč Ƌ±ŸĩŸ ±ŸŸŅÏĜ±ƋåÚ ƵĜƋĘ ųĜŸĩƼ ĜĹƋåųƴåĹƋĜŅĹţ ŅÆŅƋĜÏŸ Ï±Ĺ ŞĬ±Ƽ ĜĵŞŅųƋ±ĹƋ ĜĹƋåĬĬĜčåĹƋ ±ĹÚ ƋåÏĘĹŅĬŅčĜϱĬ ųŅĬåŸ ƋʱƋ ŸƚŞŞŅųƋ ĀųŸƋ ųåŸŞŅĹŸå åŧƚĜŞĵåĹƋ ĜŠʱųŸĘ ±ĹÚ Ú±ĹčåųŅƚŸ åĹƴĜųŅĹĵåĹƋŸ ƵĘĜĬå ųåŞĬ±ÏĜĹč ųåŸÏƚå ŞåųŸŅĹĹåĬ üųŅĵ åĹƋåųĜĹč ƚĹųå±ÏʱÆĬå Ņų ƚĹŸ±üå ŞĬ±ÏåŸţ ŅÆŅƋĜÏŸ ŸŅĬƚƋĜŅĹŸ ƋʱƋ ±ųå ƵåĬĬ ±Ú±ŞƋåÚ ƋŅ ĬŅϱĬ ÏŅĹÚĜƋĜŅĹŸ Ņü ƚĹŸƋųƚÏƋƚųåÚ ±ĹÚ ƚĹĩĹŅƵĹ åĹƴĜųŅĹĵåĹƋ Ï±Ĺ čųå±ƋĬƼ ĜĵŞųŅƴå Ÿ±üåƋƼ ±ĹÚ ŸåÏƚųĜƋƼ Ņü ŞåųŸŅĹĹåĬ ±Ÿ ƵåĬĬ ±Ÿ ƵŅųĩ åþÏĜåĹÏƼØ ŞųŅÚƚÏƋĜƴĜƋƼ ±ĹÚ āåƻĜÆĜĬĜƋƼţ
1. MAINTENANCE MANAGEMENT
W
ith increasing awareness of the fact that maintenance not SRP] IRWYVIW LMKL PIZIP SJ WEJIX] EX [SVO TPEGIW LMKL VIliability and availability of plants but also creates value in the business process, maintenance has become a focus of strategic XLMROMRK SJ QER] GSQTERMIW EPP SZIV XLI [SVPH 2EMRXIRERGI MW QYPXMHMWGMTPMREV] MR REXYVI ERH XLIVIJSVI IǺIGXMZI QEREKIQIRX SJ QEMRXIRERGI TVSGIWW RIGIWWMXEXIW ETTPMGEXMSR SJ ORS[PIHKI JVSQ HMǺIVIRX HMWGMTPMRIW GYXXMRK EGVSWW ZEVMSYW ǻIPHW SJ WGMIRGI 2EMRXIRERGI QE] FI HIǻRIH EW XLI GSQFMREXMSR SJ XIGLRMGEP ERH EHQMRMWXVEXMZI EGXMSRW such as supervision actions, intended to retain an item in or restore it XS E WXEXI MR [LMGL MX GER TIVJSVQ E VIUYMVIH JYRGXMSR 2EMRXIRERGI 2Enagement may be described as the activities of the management that determine Maintenance Objectives, Maintenance Strategies, MainteRERGI 5SPMG] ERH VIWTSRWMFMPMXMIW 8LIVIEJXIV 2EMRXIRERGI 5PERW ERH control, including supervision, must be implemented in the organisation. Finally, the adopted methodologies in the organisation, including economic aspects, must be evaluated. 8LI 2EMRXIRERGI XVEXIK] QE] FI HMZMHIH MRXS 5VIZIRXMZI 2EMRtenance and Corrective Maintenance, see Figure 1 for an illustration of
Figure 1. )MǺIVIRX 2EMRXIRERGI XVEXIKMIW
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MANUTENÇÃO 141
XLI HMǺIVIRX 2EMRXIRERGI XVEXIKMIW .RWXIEH SJ TVIZIRXMRK ERH GSVVIGting failures or faults, the design of the product or system can be changed in order to eliminate the need for maintenance during the life cycle. 8LI HIGMWMSR VIKEVHMRK XLI GLSMGI SJ QEMRXIRERGI WXVEXIK] WLSYPH FI XEOIR EPVIEH] EX HIWMKR TLEWI SJ XLI XIGLRMGEP W]WXIQ Preventive Maintenance may be seen as the maintenance carried out at predetermined intervals or according to prescribed criteria, intended to reduce the probability of failure10 or the degradation of XLI JYRGXMSRMRK SJ ER MXIQ 8LMW QIERW XLEX QEMRXIRERGI MW TIVJSVQIH before a failure is developed. Preventive Maintenance can be done at predetermined intervals, e.g. after a certain time or when the state of an item has reached predetermined limits. Corrective Maintenance is the maintenance carried out after fault11 recognition, intended to FVMRK FEGO ER MXIQ MRXS E WXEXI MR [LMGL MX GER TIVJSVQ E VIUYMVIH JYRGXMSR 8LMW QIERW XLEX QEMRXIRERGI MW TIVJSVQIH EJXIV XLI JEYPX SJ ER MXIQ LEW FIIR HIXIGXIH MR SVHIV XS VIWXSVI XLI MXIQ 8LI GSQTPI\MX] of maintenance has made it necessary for both maintenance personnel and management to have a maintenance model as a fundamenXEP VIJIVIRGI TSMRX MR EPP HIGMWMSR SJ QEOMRK VIKEVHMRK QEMRXIRERGI aspects.