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- Title
On steady-state disturbance compensability for actuator placement in adaptive structures.
- Authors
Wagner, Julia Laura; Gade, Jan; Heidingsfeld, Michael; Geiger, Florian; von Scheven, Malte; Böhm, Michael; Bischoff, Manfred; Sawodny, Oliver
- Abstract
Abstract Adaptive structures in civil engineering are mechanical structures with the ability to modify their response to external loads. Actuators strongly affect a structure’s adaptivity and have to be placed thoughtfully in the design process to effectively compensate external loads. For constant loads, this property is introduced as steady-state disturbance compensability. This property can be linked to concepts from structural engineering such as redundancy or statical indeterminacy, thus representing an interdisciplinary approach. Based on the disturbance compensability matrix, a scalar performance metric is derived as quantitative measure of a structure’s ability to compensate the output error for arbitrary constant disturbances with a given set of actuators. By minimizing this metric, an actuator configuration is determined. The concept is applied to an example of a truss structure.
- Subjects
ACTUATORS; SMART structures; CIVIL engineering; MECHANICAL loads; STRUCTURAL engineering
- Publication
Automatisierungstechnik, 2018, Vol 66, Issue 8, p591
- ISSN
0178-2312
- Publication type
Article
- DOI
10.1515/auto-2017-0099