Noise analysis and efficiency improvement of a pulse-width modulated permanent magnet synchronous motor by dynamic error budgeting

T Riel, R Saathof, A Katalenic, S Ito, G Schitter - Mechatronics, 2018‏ - Elsevier
This paper presents the mechatronic analysis and performance estimation of a pulse-width
modulated permanent magnet synchronous motor (PMSM), which is part of a direct-drive …

High performance motion control for optical satellite tracking systems

T Riel, A Galffy, G Janisch, D Wertjanz, A Sinn… - Advances in Space …, 2020‏ - Elsevier
This paper investigates the motion control system of an optical telescope system used for
precision satellite tracking and ranging applications. The system uses direct-drive …

Switched Amplifier-Driven Nanopositioning: Integrating System Modeling and Control Tuning

D Pechgraber, J Wiesböck… - IEEE Transactions on …, 2024‏ - ieeexplore.ieee.org
This article presents the integrated mecha tronic and control design of a switched current
amplifier-driven high-precision positioning system. An optimization-based parameter tuning …

Noise source identification of the hermetic reciprocating compressor for refrigerator

Y Son, J Choi, S Lee - Journal of Mechanical Science and Technology, 2021‏ - Springer
Noise source identification of the hermetic reciprocating compressor for refrigerator has
been investigated. Since the compressor shell housing is designed as airtight chamber to …

A new evaluation and prediction model of sound quality of high-speed permanent magnet motor based on genetic algorithm-radial basis function artificial neural …

K Hu, G Zhang, W Zhang - Science Progress, 2021‏ - journals.sagepub.com
Sound quality (SQ) has become an important index to measure the competitiveness of motor
products. To better evaluate and optimize SQ, a novelty SQ evaluation and prediction model …

Reducing the uncertainty in a switched amplifier-driven positioning system to the sub-nanometer level

D Pechgraber, E Csencsics… - 2024 IEEE International …, 2024‏ - ieeexplore.ieee.org
This paper presents a comprehensive position uncertainty analysis in a switched current
amplifier-driven precision positioning system with an integrated full-state control structure. A …

Analysis and robust control of an precision motion platform using disturbance compensation

T Riel, A Galffy, G Schitter - 2018 IEEE Conference on Control …, 2018‏ - ieeexplore.ieee.org
This paper presents the utilization of a disturbance observer (DOB) with robust loop sha**
filter to achieve robust stability in presence of significant plant uncertainty. Finite element …

Development of a hybrid-reluctance actuated Stewart Platform

D Senoner - 2024‏ - repositum.tuwien.at
Mid-size telescopes, ranging from 1 to 2m in aperture diameter, have become a
invaluabletool in scientific research across disciplines such as astronomy, space …

Precision learning control for quasisStatic MEMS mirrors

M Macho - 2023‏ - repositum.tuwien.at
This thesis discusses an advanced learning control for quasi-static (QS) MEMS mirror to
enhance the scanning accuracy from the induced errors in switching operation. QS MEMS …

[PDF][PDF] Tracking performance analysis and control of a small robotic telescope system

T Riel, R Saathof, A Katalenic… - Proceedings of the 17th …, 2016‏ - amostech.com
This paper analyses the achievable precision of an equatorially mounted telescope system
with two direct-drive permanent magnet synchronous motors. The analysis is done using a …