Integrated topology and controller optimization of motion systems in the frequency domain

In the precision mechatronics industry the limits of current technology are expanded by a very tight integration of the design disciplines involved, such as structural mechanics and control systems technology. In this article a framework is presented which allows the simultaneous and integrated desi...

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Bibliographic Details
Published in:Structural and multidisciplinary optimization 2015-03, Vol.51 (3), p.673-685
Main Authors: van der Veen, Gijs, Langelaar, Matthijs, Keulen, Fred van
Format: Article
Language:English
Subjects:
Computational Mathematics and Numerical Analysis
Control systems design
Controllers
Design
Electromechanical devices
Engineering
Engineering Design
Frequency domain analysis
Mechatronics
Medical devices
Medical electronics
Medical equipment
Motion systems
Rapid prototyping
Research Paper
Resonant frequencies
Robotics
Theoretical and Applied Mechanics
Topology optimization
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Summary:In the precision mechatronics industry the limits of current technology are expanded by a very tight integration of the design disciplines involved, such as structural mechanics and control systems technology. In this article a framework is presented which allows the simultaneous and integrated design of a structure and controller. The structure is designed using topology optimization and the objectives and constraints are related to the closed-loop control performance and defined in the frequency domain. For simple examples it is shown that this approach leads to at least as good performance as a sequential approach consisting of eigenfrequency optimization followed by controller tuning, and leads to lighter designs. The framework allows rapid development of prototype designs, which may save a number of the costly design iterations which are currently made in industrial practice. Examples are found in the semiconductor industry, microscopy, micro–electromechanical devices, medical devices and robotics.
ISSN:1615-147X
1615-1488
DOI:10.1007/s00158-014-1161-4