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Hence, it must be based on sensorial systems permanently installed on the target structures and on fully automatic detection methodologies.<\/jats:p><jats:p>The ability to detect damage in real\u2010time is vital for controlling the safety of old structures or for post\u2010retrofitting\/post\u2010accident situations, where it might even be mandatory for ensuring a safe service. Under these constraints, SHM systems and strategies must be capable of conducting baseline\u2010free damage identification, i.e. they must not rely on comparing newly acquired data with baseline references in which structures must be assumed as undamaged.<\/jats:p><jats:p>The present paper describes an original strategy for baseline\u2010free damage detection based on the application of artificial neural networks and clustering methods in a moving windows process. The proposed strategy was tested on and validated with numerical and experimental data obtained from a concrete cable stayed bridge and proved effective for the automatic detection of small stiffness reductions in single stay cables as well as the detachment of neoprene pads in anchoring devices, requiring only a small number of inexpensive sensors.<\/jats:p>","DOI":"10.1002\/suco.201500092","type":"journal-article","created":{"date-parts":[[2016,2,18]],"date-time":"2016-02-18T22:48:53Z","timestamp":1455835733000},"page":"338-354","source":"Crossref","is-referenced-by-count":24,"title":["Real\u2010time damage detection based on pattern recognition"],"prefix":"10.1002","volume":"17","author":[{"given":"Jo\u00e3o Pedro","family":"de Oliveira Dias Prudente dos Santos","sequence":"first","affiliation":[{"name":"Portuguese National Laboratory for Civil Engineering Structures Dep.  Av. Brasil 101 1700\u2010066 Lisbon Portugal"}]},{"given":"Christian","family":"Cr\u00e9mona","sequence":"additional","affiliation":[{"name":"Technical Division Bouygues Travaux Publics  1 Avenue Eug\u00e8ne Freyssinet 78280 Guyancourt France"},{"name":"Technical Centre for Bridge Engineering, Technical Department of Transportation Infrastructures and Materials CEREMA  110 rue de Paris BP 214, 77487 Provins Cedex France"}]},{"given":"Ant\u00f3nio Paulo Campos","family":"da Silveira","sequence":"additional","affiliation":[{"name":"Portuguese National Laboratory for Civil Engineering Structures Dep.  Av. Brasil 101 1700\u2010066 Lisbon Portugal"}]},{"given":"Lu\u00eds Calado","family":"de Oliveira Martins","sequence":"additional","affiliation":[{"name":"Instituto Superior T\u00e9cnico University of Lisbon  Av. Rovisco Pais 1049\u2010001 Lisbon Portugal"}]}],"member":"311","published-online":{"date-parts":[[2016,6,7]]},"reference":[{"key":"e_1_2_8_2_1","volume-title":"PhD thesis","author":"Santos J. P.","year":"2014"},{"key":"e_1_2_8_3_1","doi-asserted-by":"crossref","unstructured":"Glaser S. D. Tolman A.:Sense of Sensing: From Data to Informed Decisions for the Built Environment. Journal of Infrastructure Systems 2008 vol.14 No. 1 pp.4\u201314.","DOI":"10.1061\/(ASCE)1076-0342(2008)14:1(4)"},{"key":"e_1_2_8_4_1","doi-asserted-by":"crossref","unstructured":"Worden K. Farrar C. R. Manson G. Park G.:The fundamental axioms of structural health monitoring. Philosophical Transactions of The Royal Society A: Mathematical Physical and Engineering Sciences 2007 vol.463 No. 2082 pp.1639\u20131664.","DOI":"10.1098\/rspa.2007.1834"},{"key":"e_1_2_8_5_1","first-page":"145","article-title":"Baseline\u2010free real\u2010time assessment of structural changes. 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