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Active beam position stabilization of pulsed lasers for long-distance ion profile diagnostics at the Spallation Neutron Source (SNS)

RA Hardin, Y Liu, C Long, A Aleksandrov… - Optics …, 2011 - opticsinfobase.org
A high peak-power Q-switched laser has been used to monitor the ion beam profiles in the superconducting
linac at the Spallation Neutron Source (SNS). The laser beam suffers from position drift due to
movement, vibration, or thermal effects on the optical components in the 250-meter long ...
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SYSTEMS AND METHODS FOR CONTROLLING ACTUATOR FORCE AS A CONTROLLABLE REPLACEMENT FOR A COMMON SPRING IN SHEET ARTICLE …

CA Peterson - US Patent 20,110,204,562, 2011 - freepatentsonline.com
... about an axis. 3. The method according to claim 2, further comprising rotating the
arm into an active position in the process path upon providing the high pulse-width
modulation duty cycle to the solenoid. 4. The method according ...
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ACTIVE SHEET STRIPPING FROM BELT VIA SMALL RADIUS FEATURE

SR Moore - US Patent 20,110,211,886, 2011 - freepatentsonline.com
... position. FIG. 3 is a view of the transfer station shown in FIG. 2 with the small radius
feature in an active position contacting the intermediate belt. FIG. 4 ... FIG. 3 shows
the stripping feature 1 rotated to its active position. The small ...
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Experimental comparison of classical pid and model-free control: position control of a shape memory alloy active spring

[PDF] from archives-ouvertes.frPA Gédouin, E Delaleau, JM Bourgeot… - Control Engineering …, 2011 - Elsevier
Shape memory alloys (SMA) are being more frequently integrated into engineering
applications. These materials with their shape memory effect enable the simplification of mechanisms
and the reduction in size of actuators. SMA parts can easily be activated by Joule effect ...
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Active vibration isolation system with a combined position actuator

P Heiland - US Patent 7,942,379, 2011 - Google Patents
Illllllllllllllllllllllllllllllllllllllllllllllllll US007942379B2 (12; United States Patent Heiland (io) Patent
No.: (45) Date of Patent: US 7,942,379 B2 May 17, 2011 (54; (75 (73 (* (21 (22 (65 ACTIVE VIBRATION
ISOLATION SYSTEM WITH A COMBINED POSITION ACTUATOR Inventor: Peter ...
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