Robust vibration isolation by Frequency-Shaped Sliding Surface Control with geophone dynamics

Ding, Chenyang; Damen, A.A.H.; Bosch, P.P.J. van den

doi:10.1109/iecon.2010.5675205

Cited by 3 publications

(5 citation statements)

References 14 publications

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“…Given linear motors of the Lorentz-type and geophones for velocity measurement [10] a simplified and single degree-of-freedom (DOF) schematic representation of the considered control configuration is shown in Fig. 3.…”

Section: Active Damping By Switching Controlmentioning

confidence: 99%

Switching Control in Vibration Isolation Systems

Heertjes

Şahin

Wouw

et al. 2013

IEEE Trans. Contr. Syst. Technol.

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In this paper, a switching control approach for active vibration isolation systems is proposed. The switching involves two regimes. In the first regime, no feedback control is applied thereby giving a low sensitivity to noise. In the second regime, active control induces improved disturbance rejection properties, but at the cost of increased noise sensitivity. Conditions for the stability of the switching closed-loop system are formulated whereas the stability analysis provides design rules for tuning the switching controller. Given this novel active vibration isolation approach, improved isolation performance is obtained with substantially less control authority in comparison to the case of linear (or non-switching) feedback control. Performance analysis is based on multi-resolution time-frequency analysis using measurements taken from a commercial vibration isolation system. Index Terms-Absolute stability, discontinuous variable gains, input-to-state stability, switching systems, vibration isolation, wavelet analysis.

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Section: Active Damping By Switching Controlmentioning

confidence: 99%

Switching Control in Vibration Isolation Systems

Heertjes

Şahin

Wouw

et al. 2013

IEEE Trans. Contr. Syst. Technol.

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“…Therefore, to simultaneously improve both S d and T d is impossible with predefined geophone dynamics, which is of the same condition with the payload velocity measurement [7]. The sliding surface design has to make a trade-off between S d and T d .…”

Section: A Sliding Surfacementioning

confidence: 99%

“…Therein, the sliding surface is designed for ideal feedback signals. The generalized FSSSC approach based on payload absolute acceleration and payload absolute velocity measurement are presented in [5] and [7], respectively. The linear FSSSC approach, including sliding surface design and the linear regulator design with floor absolute velocity measurement using geophone is studied in this section.…”

Section: Fsssc With Floor Velocitymentioning

confidence: 99%

“…Robust skyhook performance is validated by experiments. Previous study [7] generalizes the FSSSC approach to a two-step AVIS control design method for the measurement scheme of relative displacement and payload absolute velocity considering velocity sensor dynamics. The generalized FSSSC for the measurement scheme of relative displacement and payload absolute acceleration is also studied [5].…”

Section: Introductionmentioning

confidence: 99%

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Robust vibration isolation by frequency-shaped sliding surface control with floor velocity/acceleration measurement

Ding¹,

Damen²,

Bosch³

2010

IECON 2010 - 36th Annual Conference on IEEE Industrial Electronics Society

Self Cite

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“…Nowadays, precision machining technologyhas become an important index of the development of industry and science technology [1][2][3][4] .The ultra-precision measurement technology is always explored andgained more attention.The precision measurement technique is the key part of the measurement of machinery industry development in almost all developed countries.Capacitive displacement sensor technology is themost mainly used measurement method. This technology obtained more attention and has been applied in many different fields.…”

Section: Introductionmentioning

confidence: 99%

High precision capacitance displacement measurement circuit design

Xing¹,

Li²,

Lv³

et al. 2015

Proceedings of the 3rd International Conference on Material, Mechanical and Manufacturing Engineering

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Abstract:A high resolution digital integrated chip capacitor measurement system was designed.The major components of the system mainly includedmain control chip, capacitance transducer, data storage and communication interface.ARM7-based mcro controllerSTM32F207was used as the main control chip, capacitance measurement chip AD7747produced by AD Company with sensitivity can be up to 20 af was used as capacitance transducer. The capacitance measurement range ofAD7747 is -8 pf to +8pf, the maximum common-mode immutable capacitance can reach17 pf anddata update rate range is between 5 Hz to 45 Hz. The absolute error of test circuit was calculated by the fixed capacity test and error analysis. The final results were obtained after subtracting the absolute error, and the final test error is less than 3%.

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Robust vibration isolation by Frequency-Shaped Sliding Surface Control with geophone dynamics

Cited by 3 publications

References 14 publications

Switching Control in Vibration Isolation Systems

Switching Control in Vibration Isolation Systems

Robust vibration isolation by frequency-shaped sliding surface control with floor velocity/acceleration measurement

High precision capacitance displacement measurement circuit design

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