Dynamic compensation of torsional oscillation in paper machine sections
Valenzuela,Bentley,Villablanca +2 more
- pp 81-90
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This article is published in Pulp and Paper Industry Conference.The article was published on 2005-01-01 and is currently open access. It has received 12 citations till now. The article focuses on the topics: Oscillation.read more
Citations
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Journal ArticleDOI
Active Damping Wheel-Torque Control System to Reduce Driveline Oscillations in a Power-Split Hybrid Electric Vehicle
F.U. Syed,M.L. Kuang,Hao Ying +2 more
TL;DR: To the best of the knowledge, this is the first reported use of an active damping wheel-torque control system to suppress the driveline oscillations in a power-split HEV and thereby improve drivability.
Journal ArticleDOI
Time-Domain Identification Method for Detecting Mechanical Backlash in Electrical Drives
S. Villwock,Mario Pacas +1 more
TL;DR: The method presented is considered to be a necessary step toward the development of more complex diagnosis tools and condition monitoring systems that are demanded today in the area of servodrives.
Proceedings ArticleDOI
Speed control in direct drive with non-stiff load
Stefan Brock,Dominik Luczak +1 more
TL;DR: In this article, several digital filters are considered to handle resonance modes in direct drive servo-mechanical systems, including Chebyshev low pass filter, notch filter and bi-quad filter.
Journal ArticleDOI
Dynamic and Vibration Analysis of a Multimotor DC Drive System With Elastic Shafts Driving a Tissue Paper Machine
TL;DR: Analysis of the resonance frequencies of two sections of the machine during startup and machine production, considering the shaft stiffness, suggests mechanical design guidelines can be given for the most significant drive components in order to avoid torsional oscillation resonance phenomena and minimize torsial oscillations of the drive system.
Journal ArticleDOI
Vibration control of a flexible beam driven by a ball-screw stage with adaptive notch filters and a line enhancer
TL;DR: In this article, a second-order bandpass filter and two notch filters are included in the acceleration-feedback loop to raise modal dampings for the first and the second flexible modes without exciting higher-frequency resonances.
References
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Journal ArticleDOI
High resolution velocity estimation for all digital, AC servo drives
Robert D. Lorenz,K.W. Van Patten +1 more
TL;DR: In this paper, an approach that optimally estimates the velocity at each sample instant is proposed to reduce the effect of quantized angular resolution on the performance of digital servo drives.
Journal ArticleDOI
Motion control with induction motors
TL;DR: An up-to-date summary of the status of induction motor motion control technology is the subject of this paper as discussed by the authors, which includes basic motion control system requirements, field orientation instantaneous torque control principles for induction motors (FO-IM), current regulators for induction motor MOT, flux and torque regulators for inductive motor MOT control; self commissioning and continuous self-tuning for field orientation.
Journal ArticleDOI
Suppression of torsional oscillations in a high-performance speed servo drive
TL;DR: A simple and straightforward modification of the speed loop controller is proposed in order to augment the performance of present speed controllers and to make them accordant with mechanical structure suffering from the compliance problem.
Proceedings ArticleDOI
Resonant load control methods for industrial servo drives
George Ellis,R.D. Lorenz +1 more
TL;DR: In this paper, seven methods of resonant-load control are compared for their ability to improve performance in the presence of a low-frequency (100 Hz) lightly damped resonance.
Journal ArticleDOI
Design principles and implementation of acceleration feedback to improve performance of DC drives
P.B. Schmidt,Robert D. Lorenz +1 more
TL;DR: In this article, the authors demonstrate the principles, design methodologies, and implementation of acceleration feedback to substantially improve the performance of DC servodrives, without requiring higher bandwidths of the velocity and position loops.