(19)

(11)

EP 2 831 683 A1

(12)

(43) Date of publication: 04.02.2015 Bulletin 2015/06 (21) Application number: 12712498.0 (22) Date of filing: 26.03.2012

(51) International Patent Classification (IPC):  G05B 19/05(2006.01) (86) International application number: PCT/US2012/030541 (87) International publication number: WO 2013/147734 (03.10.2013 Gazette 2013/40)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (71) Applicant: Siemens Aktiengesellschaft 80333 München (DE)	(72) Inventors: FULTON, Temple L. Elizabethton, Tennessee 37643 (US) HOEDL, Peter A-8047 Graz (AT) (74) Representative: Maier, Daniel Oliver  Siemens AG Postfach 22 16 34 80506 München 80506 München (DE)