IECON 2011 - 37th Annual Conference of the IEEE Industrial Electronics Society 2011
DOI: 10.1109/iecon.2011.6119855
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Fast and precise positioning of rotary table systems by feedforward disturbance compensation considering interference force

Abstract: This paper presents a model-based feedforward compensation approach for the fast and precise positioning of a rotary table system with two actuators. Since the interference force between the primary and slave actuators deteriorates the positioning performance, the interference model as well as the disturbance model are mathematically modeled to apply the model-based feedforward compensation. The effectiveness of the proposed approach has been verified using a prototype.

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Cited by 7 publications
(5 citation statements)
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“…The rotary table has been widely used in many areas such as synthetic aperture radar System (SAR) [1], industrial applications [2][3] [4][5] [6], calibration tools [7][8] [9], transportation systems [10] and so on. In order to get a satisfactory result, the rotary table has to meet high precision output which in this case is an accurate position of determined angle.…”
Section: Introductionmentioning
confidence: 99%
“…The rotary table has been widely used in many areas such as synthetic aperture radar System (SAR) [1], industrial applications [2][3] [4][5] [6], calibration tools [7][8] [9], transportation systems [10] and so on. In order to get a satisfactory result, the rotary table has to meet high precision output which in this case is an accurate position of determined angle.…”
Section: Introductionmentioning
confidence: 99%
“…Therefore, this method offers low control accuracy and robustness. A feedforward scheme for a two axis inertial stabilized platform (ISP) was adopted to reject the periodic disturbing torque acting on the payload due to the static mass unbalance [9,10], but the accelerometer signal may be easily distorted by the centripetal acceleration [11]. The H ∞ control method presents strong robustness, but it is highly conservative and the control accuracy is usually sacrificed [12].…”
Section: Introductionmentioning
confidence: 99%
“…In [17], an acceleration–based feedforward approach is proposed to realize imbalance torque compensation of a three-axis ISP. In [18], a model-based feedforward compensation approach is applied to a rotary table system. In [19], an anti-disturbance compensation control algorithm based on adaptive robust control idea is applied for a three-axis swing turntable system.…”
Section: Introductionmentioning
confidence: 99%