A Dual-Stage Piezoelectric Stack for High-Speed and Long-Range Actuation

2015 ◽  
Vol 20 (5) ◽  
pp. 2637-2641 ◽  
Author(s):  
Gang Yan ◽  
Yong Liu ◽  
Zhi Hua Feng
Keyword(s):  
Author(s):  
Aleksandra Mitrovic ◽  
Kam K. Leang ◽  
Garrett M. Clayton

Increasing demand for high precision positioning systems has motivated significant research in this field. Within this field, dual-stage nanopositioning systems have the unique potential to offer high-speed and long-range positioning by coupling a short-range, high-speed actuator with a long-range, low-speed actuator. In this paper, design considerations for a spatial filter are presented. The spatial filter allows for control allocation based on range of the signal as opposed to more commonly used frequency-based control allocation. In order to understand the spatial filtering approach more fully, this paper analyzes the filter in detail to understand limitations and give the user a more clear understanding of the approach. Simulation results are included to illustrate aspects of the discussion.


2020 ◽  
Vol 28 (10) ◽  
pp. 2203-2214
Author(s):  
Jian ZHUANG ◽  
◽  
Zhi-wu WANG ◽  
Xiao-bo LIAO ◽  

1981 ◽  
Vol 93 (4) ◽  
pp. 39-48
Author(s):  
SIDNEY FELDMAN ◽  
GEORGE G. BARTON

2022 ◽  
Author(s):  
Bradley T. Burchett ◽  
Justin L. Paul ◽  
Joseph D. Vasile ◽  
Joshua Bryson

2021 ◽  
Author(s):  
Ginno Millan ◽  
manuel vargas ◽  
Guillermo Fuertes

Fractal behavior and long-range dependence are widely observed in measurements and characterization of traffic flow in high-speed computer networks of different technologies and coverage levels. This paper presents the results obtained when applying fractal analysis techniques on a time series obtained from traffic captures coming from an application server connected to the internet through a high-speed link. The results obtained show that traffic flow in the dedicated high-speed network link exhibited fractal behavior since the Hurst exponent was in the range of 0.5, 1, the fractal dimension between 1, 1.5, and the correlation coefficient between -0.5, 0. Based on these results, it is ideal to characterize both the singularities of the fractal traffic and its impulsiveness during a fractal analysis of temporal scales. Finally, based on the results of the time series analyzes, the fact that the traffic flows of current computer networks exhibited fractal behavior with a long-range dependence was reaffirmed.


2013 ◽  
Vol 779-780 ◽  
pp. 1715-1718 ◽  
Author(s):  
Yea Jou Shiau ◽  
Yu Bin Chiu

The technology of Radio Frequency Identification, namely RFID, has been widely used in service industry for identification. The RFID system is design for inexpensive and reliable purpose in automatic identification. However, very few researchers focused on remote control module in a long range and high speed environment. This study proposed a long range active tag technology and illustrated how to implement it in traffic management system for solving the problem of traffic crowding.


2017 ◽  
Vol 62 (2) ◽  
pp. 1-10
Author(s):  
Seongkyu Lee ◽  
KennethS. Brentner ◽  
PhilipJ. Morris

Author(s):  
Tomas Tuma ◽  
Walter Haeberle ◽  
Hugo Rothuizen ◽  
John Lygeros ◽  
Angeliki Pantazi ◽  
...  

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