{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,16]],"date-time":"2026-01-16T02:10:35Z","timestamp":1768529435267,"version":"3.49.0"},"reference-count":20,"publisher":"Walter de Gruyter GmbH","issue":"9","license":[{"start":{"date-parts":[[2021,9,1]],"date-time":"2021-09-01T00:00:00Z","timestamp":1630454400000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"DOI":"10.13039\/501100002428","name":"Austrian Science Fund","doi-asserted-by":"publisher","award":["P 29964-N32"],"award-info":[{"award-number":["P 29964-N32"]}],"id":[{"id":"10.13039\/501100002428","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2021,9,27]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>This contribution is concerned with the design of observers for a single mast stacker crane, which is used, e.\u2009g., for storage and removal of loads in automated warehouses. As the mast of such stacker cranes is typically a lightweight construction, the system under consideration is described by ordinary as well as partial differential equations, i.\u2009e., the system exhibits a mixed finite-\/infinite-dimensional character. We will present two different observer designs, an Extended Kalman Filter based on a finite-dimensional system approximation, using the Rayleigh-Ritz method and an approach exploiting the port-Hamiltonian system representation for the mixed finite-\/infinite-dimensional scenario where in particular the observer-error system should be formulated in the port-Hamiltonian framework. The mixed-dimensional observer and the Kalman Filter are employed to estimate the deflection of the beam based on signals acquired by an inertial measurement unit at the beam tip. Such an approach considerably simplifies mechatronic integration as it renders strain-gauges at the base of the mast obsolete. Finally, measurement results demonstrate the capability of these approaches for monitoring and vibration-rejection purposes.<\/jats:p>","DOI":"10.1515\/auto-2021-0018","type":"journal-article","created":{"date-parts":[[2021,9,8]],"date-time":"2021-09-08T21:00:36Z","timestamp":1631134836000},"page":"806-816","source":"Crossref","is-referenced-by-count":8,"title":["Observer design for a single mast stacker crane"],"prefix":"10.1515","volume":"69","author":[{"given":"Lukas","family":"Ecker","sequence":"first","affiliation":[{"name":"Johannes Kepler University Linz , Institute of Automatic Control and Control Systems Technology , Altenberger Str. 69 , Linz , Austria"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tobias","family":"Malzer","sequence":"additional","affiliation":[{"name":"Johannes Kepler University Linz , Institute of Automatic Control and Control Systems Technology , Altenberger Str. 69 , Linz , Austria"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Arne","family":"Wahrburg","sequence":"additional","affiliation":[{"name":"ABB AG , Forschungszentrum Deutschland , Wallstadter Str. 59 , Ladenburg , Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Markus","family":"Sch\u00f6berl","sequence":"additional","affiliation":[{"name":"Johannes Kepler University Linz , Institute of Automatic Control and Control Systems Technology , Altenberger Str. 69 , Linz , Austria"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"374","published-online":{"date-parts":[[2021,9,9]]},"reference":[{"key":"2023033110360533142_j_auto-2021-0018_ref_001","doi-asserted-by":"crossref","unstructured":"Rams, H., Sch\u00f6berl, M. and Schlacher, K. (2017). Optimal Motion Planning and Energy-Based Control of a Single Mast Stacker Crane. IEEE Transactions on Control Systems Technology, 26(4), 1449\u20131457.","DOI":"10.1109\/TCST.2017.2710953"},{"key":"2023033110360533142_j_auto-2021-0018_ref_002","doi-asserted-by":"crossref","unstructured":"Rams, H. and Sch\u00f6berl, M. (2017). On structural invariants in the energy based control of port-Hamiltonian systems with second-order Hamiltonian. In American Control Conference (ACC), 1139\u20131144.","DOI":"10.23919\/ACC.2017.7963106"},{"key":"2023033110360533142_j_auto-2021-0018_ref_003","doi-asserted-by":"crossref","unstructured":"Staudecker, M., Schlacher, K. and Hansl, R. (2008). Passivity based control and time optimal trajectory planning of a single mast stacker crane. IFAC Proceedings Volumes, 41(2), 875\u2013880.","DOI":"10.3182\/20080706-5-KR-1001.00150"},{"key":"2023033110360533142_j_auto-2021-0018_ref_004","doi-asserted-by":"crossref","unstructured":"Simon, D. (2006). 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