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Selection of piezo actuators Positioning and/or stabilisation (< 20 % mechanical limit) 20 MPa for dynamic behaviour Range 30 μm Prestress Dimensions Resolution 0.1 nm HVPZT or LVPZT Resonance frequency and rigidity Force/load capacity Required power, frequency range controller As high as possible Up to 100Kg Weight compensating spring, reduces range Assembly CLICMeeting100409 C. Hauviller 34
Actuators An example of the integration of piezo actuators PZT in an actual support - Use of flexural guides against shear forces - Use of a feedback capacitive sensor 0.1 nm 100 N Calibration bench flexural guides Techniques to be applied for heavier (up to 400Kg) and larger structures (up to 2 meter long)
Page 1 and 2: C L I C Outline • Short overview
Page 3 and 4: C L I C CLIC main parameters http:/
Page 5 and 6: 5 Module types and numbers Type 1 T
Page 7 and 8: R&D,Conceptual Design&Cost Estimati
Page 9 and 10: C L I C • Two Beam Acceleration:
Page 11 and 12: C L I C CLIC Feasibility Issues H.S
Page 13 and 14: Dynamic imperfections C L I C • I
Page 15 and 16: Stabilization of the quadrupoles of
Page 17 and 18: How to measure the performances? Co
Page 19 and 20: Mock-up built in 2004 (S. Redaelli)
Page 21 and 22: CLICMeeting100409 C. Hauviller 21
Page 23 and 24: Contents • R & D Actions - Sensor
Page 25 and 26: Sensors How to measure nanometers a
Page 27 and 28: 5nm Vertical Lateral 2 nm Measured
Page 29 and 30: Characterize vibrations/environment
Page 31 and 32: Program of work Actuators • State
Page 33: Actuators First selection parameter
Page 37 and 38: Stabilization strategies CLICMeetin
Page 39 and 40: How to support the quadrupoles? Sof
Page 41 and 42: Option LAPP: Soft support and activ
Page 43 and 44: Test Mock-ups (CERN) Rigid support
Page 45 and 46: Main Beam Mock-up • Functionaliti
Page 47 and 48: Outline • Short overview of the C
Page 49 and 50: Validation of Quad stabilization pr
Page 51: Diode detectors on PU-Q8W
Page 54 and 55: Amplitude Calibration Measured in p
Page 56 and 57: •The CESR-TA experiment has been

Slides - CASA - Jefferson Lab

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