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A singular perturbation approach is used to derive an improved reduced\u2010order model that does not correspond simply to truncating the finite series, but includes some additional information about the neglected residual modes. Then, a second time\u2010scale separation is used to design a slow\/fast Kalman filter with improved performance for flexible\u2010link arms. \u00a9 1994 John Wiley &amp; Sons, Inc.<\/jats:p>","DOI":"10.1002\/rob.4620110504","type":"journal-article","created":{"date-parts":[[2007,7,6]],"date-time":"2007-07-06T14:50:16Z","timestamp":1183733416000},"page":"367-385","source":"Crossref","is-referenced-by-count":13,"title":["Enhanced measurement and estimation methodology for flexible link arm control"],"prefix":"10.1002","volume":"11","author":[{"given":"J.","family":"Lin","sequence":"first","affiliation":[]},{"given":"F. 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