Metrology and Control of Large Telescopes

Program

Scroll down to see the Detailed Program

	Mon, 9/19	Tue, 9/20	Wed, 9/21	Thu, 9/22	Fri,9/23	Sat, 9/24
8:30 AM		Welcome	Surface Measurement, Control and Adjustment	FBC, Metrology Systems	Telescope Reports	Departures
9:00 AM		Pointing I
9:30 AM
10:00 AM
10:30 AM		Break	Break	Break	Break
11:00 AM		Telescope Tour	Surface - cont	FBC - cont	Reports - cont
11:30 AM
12:00 PM
12:30 PM	Arrivals	Lunch	Lunch	Lunch	Lunch
1:00 PM
1:30 PM		Pointing II	Surface - cont	Servos I	Instrument Demos
2:00 PM
2:30 PM
3:00 PM		Break	Break	Break	Break
3:30 PM		Pointing II - cont	Pointing Clinic	Servos II	Conference Summary
4:00 PM
4:30 PM
5:00 PM
5:30 PM	Drinks Reception	Break	Break	Break	Break
6:00 PM		Conference Dinner	Dinner Optional SETI Tour	Dinner Optional Control Room Tour	Dinner
6:30 PM
7:00 PM
7:30 PM
8:00 PM
8:30 PM
9:00 PM

Detailed Program

Tuesday, 20^th September

08:30 – 09:00 Opening Remarks

POINTING I (CHAIR: Richard Prestage)

09:00 – 10:00 Patrick Wallace: “Ten reasons why accurate pointing is non-trivial” presentation

10:00 – 10:30 Peter Droll: “Pointing Performance of ESA Deep Space Antennas” presentation

10:00 – 10:30 Coffee Break

11:00 – 12:30 Telescope Tour

12:30 – 01:30 Lunch

POINTING II (CHAIR: Richard Prestage)

01:30 – 02:00 Klaus Willmeroth: “Metrology Improves Pointing at 12m ALMA Telescopes” presentation

02:00 – 02:30 Jinqing Wang: “Tian Ma 65m Performance Measurement” presentation

02:30 – 03:00 Li Fu: “Analysis on the Track Unevenness and Alidade Temperature Behavior of the Tian Ma 65m Antenna" presentation

03:00 – 03:30 Coffee Break

03:30 – 04:00 Juan Penalver: “Thermal control, servo control and pointing model of the IRAM 30m telescope" presentation

04:00 – 04:30 Jin Huang: “Wind Effect and its Compensation for Large Reflector Antennas” presentation

04:30 – 05:00 Gian Felice Giaccu: “Preliminary Analysis of Wind Effects on Sardinia Radio Telescope” presentation

05:00 – 05:30 Summary / Discussion of Pointing

05:30 – 06:00 Break

06:00 – 07:00 Dinner

07:00 – 08:00 After Dinner Talk – Jay Lockman:59 Years of Radio Astronomy at Green Ban

08:00 – 09:00 Drinks in Drake Lounge

Wednesday 21^st September

METROLOGY I: SURFACE MEASUREMENT, CONTROL AND ADJUSTMENT (CHAIR: Peter Droll)

08:30 – 09:30 Michael Kesteven: “Photogrammetry : A versatile tool for antenna metrology” presentation

09:30 - 10:00 Richard Prestage: Microwave Holography presentation

10:00 – 10:30 Xin Pei: “Some surface measurement work in XAO and high precision surface challenges in QTT" presentation

10:30 – 11:00 Coffee Break

11:00 - 11:30 Ron Holzloehner: M1/M2 Laser Ray Tracer for High-Speed Mirror Metrology in the E-ELT presentation

11:30 – 12:00 David Rochblatt: “Holographic Measurements and Performance of the NASA-JPL-DSN new 34-m BWG Antenna" presentation

12:00 – 12:30 Claudio Pernechele: “Dynamic mesurement of the relative deformations of the SRT main reflector" presentation

12:30 – 01:30 Lunch

01:30 - 2:00 David Woody: Measurement and Control of Large Telescope Surfaces presentation

02:00 – 02:30 Richard Prestage: “Leica Scan Station P40 Measurements of the GBT Primary Reflector” presentation

02:30 – 03:00 General discussion

03:00 – 03:30 Coffee Break

POINTING III (CHAIR: Peter Droll)

03:30 – 05:30 Patrick Wallace: Pointing Clinic

05:30 – 06:00 Break

06:00 – 07:00 Dinner

07:00 – 09:00 Optional SETI Tour (20 max)

07:00 – 09:00 Drinks in Drake Lounge

Thursday 22^nd September

METROLOGY II: FLEXIBLE BODY CONTROL; TELESCOPE METROLOGY SYSTEMS (CHAIR:David Rochblatt )

08:30 – 9:30 Hans Kaercher: “Flexible Body Control of Large Telescope Structures”

09:30 – 10:00 Prashant Kaswekar: “Sensor Fusion Based Integrated Motion Measurement for Telescopes Structures”

10:00 – 10:30 Tonino Pisanu: “Metrology at Sardinia Radio Telescope”

10:30 – 11:00 Coffee Break

11:00 – 11:30 Giampaolo Serra: “New tools for the SRT metrology: laser tracker and simulator for photogrammetric survey”

11:30 – 12:00 Andrew Rakich: “A telescope Metrology System for GMTO”

12:00 – 12:30 Fa Wang: “GBT Subreflector Stabilization Concepts”

12:30 – 01:30 Lunch

SERVOS AND CONTROL SYSTEMS (CHAIR: Zhiqiang Shen)

01:30 – 02:30 Mario Garcia-Sanz: “High-performance robust control solutions for advanced radio/optical telescopes”

02:30 – 03:00 Steffen Seubert: “Telescope control systems and the automation industry”

03:00 – 03:30 Coffee Break

03:30 – 04:00 David Smith: “High Performance Full-Digital Control on the LMT and KVN”

04:00 – 04:30 Suresh Sabhapathy: “Modern Servo system for GMRT Antenna and Feed”

04:30 – 05:00 Peng Li: “Servo Control of Large Radio Telescope with Disturbance Variations”

05:00 – 05:30 Discussions

05:30 – 06:00 Break

06:00 – 07:00 Dinner

07:00 – 09:00 GBT Control Room Tours (Optional)

07:00 – 09:00 Drinks in Drake Lounge

Friday 23^rd September

TELESCOPE REPORTS; NEW DEVELOPMENTS (CHAIR: Tonino Pisanu)

08:30 – 09:00 Masao Saito: “Nobeyama 45-m telescope”

09:00 – 09:30 Qinghui Lui: “Report on Shanghai 65m Radio Telescope”

09:30 – 10:00 Gordon Lacy: “An Update on the Surface Metrology of a Single Piece Carbon Composite Offset Gregorian Radio Reflector (DVA-1 and DVA-3)”

10:00 – 10:30 Toshikazu Onishi: “New 50-m-class single-dish telescope: Large Submillimeter Telescope (LST)”

10:30 – 11:00 Coffee Break

11:00 – 12:30 Kam Lau (Automated Precision Inc): Design Implementation and testing of the FAST Advanced Metrology System

12:30 – 01:30 Lunch

INSTRUMENT DEMOSTRATIONS (CHAIR: Richard Prestage)

01:30 – 02:30 Chris Branas: Leica Laser Scanner Demonstration

02:30 – 03:00 General Discussion

03:00 – 03:30 Coffee Break

CONFERENCE WRAP-UP (CHAIR: Richard Prestage)

03:30 – 04:30 General Discussion

04:30 – 05:30 Conference summary, future directions

05:30 – 06:00 Break

06:00 – 07:00 Dinner

07:00 – 09:00 Drinks in Drake Lounge

POSTERS

Jian Dong: “Out-Of-Focus Holography at the Tian Ma Telescope”

Congsi Wang: “Coupled Structural-Electromagnetic Modeling of Large High-Frequency Radio

Telescope Antennas and Its Application”

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