Murray Wiki - User contributions [en]

Group Schedule, Summer 2012

2012-05-29T15:01:09Z

Pavithra: /* Week 6: 23-27 July */

This page contains information about various upcoming events that are of interest to the group. __NOTOC__
{| width=60%
|- valign=top
| width=50% |
* [http://www.cds.caltech.edu/~murray/calendar.html Richard's calendar (travel)]
| width=50% |
* [[Group Schedule, Spring 2012]]
|}

The schedule for group and subgroup meetings is given below. Everyone should sign up for times to talk in the subgroup meetings.

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=== Week 1: 18-22 June ===

'''Biocircuits: 21 Jun (Thu), 10 am - 12 pm'''
* SURF introductions (40 min)
* Research update (10-15 min)
* Research update (10-15 min)
* Lab updates

'''Group meeting: 21 Jun (Thu), 12-1'''
* Richard (research overview)

'''NCS/Robotics: 21 Jun (Thu), 4-6 pm'''
* SURF introductions (20 min)
* Research update (15-20 min)
* Research update (15-20 min)
* Project updates

<hr>
* Richard out of town Mon-Tue
* SURF students start on Tue
| width=30% |

=== Week 2: 25-29 June ===
* Richard out of town all week
| width=30% |

=== Week 3: 2-6 July ===
* Richard out of town all week
* Institute holiday on Wed
|- valign=top
|

=== Week 4: 9-13 July ===
'''Biocircuits: 10 Jul (Tue), 10 am - 12 pm'''
* Meeting may shift to Mon, 10a-12p
* Research presentation (30-40 min)
* Research update (10-15 min)
* SURF: Shaunak K (10-15 min)
* Lab updates

'''Group meeting: 13 Jul (Fri), 12-1:15'''
* Open

'''NCS/Robotics: 13 Jul (Fri), 1:15-3 pm'''
* Research update (15-20 min)
* Research update (15-20 min)
* Research update (15-20 min)
* Project updates

<hr>
* Richard out of town Tue pm - Thu (Living Foundries PI meeting)
|

=== Week 5: 16-20 July ===
'''Biocircuits: 17 Jul (Tue), 10 am - 12 pm'''
* Research presentation (30-40 min)
* Research update (10-15 min)
* SURF: Vinay V (10-15 min)
* SURF update (10-15 min)
* Lab updates

'''NCS/Robotics: 18 Jul (Wed), 4-6 pm'''
* Research update (15-20 min)
* Research update (15-20 min)
* SURF update (10-15 min)
* SURF update (10-15 min)
* Project updates

'''Group meeting: 19 Jul (Thu), 12-1:15'''
* Open
|

=== Week 6: 23-27 July ===
'''Biocircuits: 24 Jul (Tue), 10 am - 12 pm'''
* Research presentation (30-40 min)
* Research update (10-15 min)
* SURF update (10-15 min)
* SURF update (10-15 min)
* Lab updates

'''Group meeting: 25 Jul (Wed), 12-1:15'''
* Open

'''NCS/Robotics: 25 Jul (Wed), 4-6 pm'''
* Pavithra (15-20 min)
* Research update (10-15 min)
* SURF update (10-15 min)
* SURF update (10-15 min)
* Project updates
<hr>
* Richard out of town Thu-Fri
|- valign=top
|

=== Week 7: 30 July - 3 August ===
'''Biocircuits: 31 Jul (Tue), 12-1:30 pm'''
* Lunch meeting; may shift to Thu
* Research presentation (30-40 min)
* SURF update (10-15 min)
* SURF update (10-15 min)
* Lab updates

'''NCS/Robotics: 1 Aug (Wed), 12-1:30 pm'''
* Lunch meeting; may shift to Thu
* Research update (15-20 min)
* Research update (15-20 min)
* Project updates

<hr>
* KISS workshop; Richard unavailable
|

=== Week 8: 6-10 August ===
'''Biocircuits: 7 Aug (Tue), 10 am - 12 pm'''
* Research presentation (30-40 min)
* Research update (10-15 min)
* Research update (10-15 min)
* Lab updates

'''Group meeting: 8 Aug (Wed), 12-1:15'''
* Open

'''NCS/Robotics: 8 Aug (Wed), 4-6 pm'''
* Research update (15-20 min)
* Research update (15-20 min)
* Research update (15-20 min)
* Project updates

|
=== Week 9: 13-17 August ===
* Richard out all week
|- valign=top
|

=== Week 10: 20-24 August ===
'''Biocircuits: 21 Aug (Tue), 10 am - 12 pm'''
* Research presentation (30-40 min)
* Research update (10-15 min)
* Research update (10-15 min)
* Lab updates

'''NCS/Robotics: 22 Aug (Wed), 4-6 pm'''
* Research update (15-20 min)
* Research update (15-20 min)
* Research update (15-20 min)
* Project updates

'''Group meeting: 23 Aug (Thu), 12-1:15'''
* Open

|
=== Week 11: 27-31 August ===
'''Biocircuits: 28 Aug (Tue), 10 am - 12 pm'''
* Research presentation (30-40 min)
* Research update (10-15 min)
* Research update (10-15 min)
* Lab updates

'''NCS/Robotics: 29 Aug (Wed), 4-6 pm'''
* Research update (15-20 min)
* Research update (15-20 min)
* Research update (15-20 min)
* Project updates

'''Group meeting: 30 Aug (Thu), 12-1:15'''
* Open
<hr>
* Richard out of town on Fri
|
=== Week 12: 3-7 September ===
'''Biocircuits: 4 Sep (Tue), 10 am - 12 pm'''
* Research presentation (30-40 min)
* Research update (10-15 min)
* Research update (10-15 min)
* Lab updates

'''NCS/Robotics: 5 Sep (Wed), 4-6 pm'''
* Research update (15-20 min)
* Research update (15-20 min)
* Research update (15-20 min)
* Project updates

'''Group meeting: 6 Sep (Thu), 12-1:15'''
* Open
<hr>
* Institute holiday on Mon
|- valign=top
|
=== Week 13: 10-14 September ===
'''Biocircuits: 11 Sep (Tue), 10 am - 12 pm'''
* Research presentation (30-40 min)
* Research update (10-15 min)
* Research update (10-15 min)
* Lab updates

'''NCS/Robotics: 12 Sep (Wed), 4-6 pm'''
* Research update (15-20 min)
* Research update (15-20 min)
* Research update (15-20 min)
* Project updates

'''Group meeting: 13 Sep (Thu), 12-1:15'''
* Open
<hr>
* Richard out on Fri
|
=== Week 14: 17-21 September ===
* Richard out all week
|
=== Week 15: 24-28 September ===
'''Biocircuits: 24 Sep (Tue), 10 am - 12 pm'''
* Research presentation (30-40 min)
* Research update (10-15 min)
* Research update (10-15 min)
* Lab updates

'''NCS/Robotics: 25 Sep (Wed), 4-6 pm'''
* Research update (15-20 min)
* Research update (15-20 min)
* Research update (15-20 min)
* Project updates

'''Group meeting: 26 Sep (Thu), 12-1:15'''
* Open
<hr>
* Richard out on Mon
|}

Group Schedule, Spring 2012

2012-03-23T03:54:49Z

Pavithra: /* Week 10: 4 Jun - 8 Jun */

Feb/Mar 2012 Meetings

2012-02-20T17:38:13Z

Pavithra: /* Fri, 2 Mar */

I would like to meet with everyone sometime in the last week of Feb/first week of March. Please sign up for a time below (note that the slots are different lengths). __NOTOC__

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'''In Santa Barbara''' (Vanessa, Ophelia, Dan, Shaunak)
==== Tue, 28 Feb ====
* 4:00p - Open (60m)
* 5:00p - Open (60m)
==== Wed, 29 Feb ====
* 10:00a - Open (60m)
* 3:30p - Andrea (60m)
<hr>

==== Thu, 1 Mar ====
* 3:00p - Biocircuits subgroup (Dan, Zach, Ophelia)
* 5:00p - Open (45m)
* 5:45p - Necmiye (45m)
* 6:30p - Open (60m)
<hr>
==== Fri, 2 Mar ====
* 9:00a - Open (60m)
* 10:00a - Eugene Lavretsky (75m)
* 11:15a - Hold, Eugene (45m)
:
* 12:00p - Group meeting
* 1:15p - NCS subgroup (Mumu, Pavithra)
* 3:00p - Pavithra (45m)
* 3:45p - Open (60m)
* 4:45p - Open (45m)
* 5:30p - Open (60m)
| width=50% |

==== Mon, 5 Mar ====
* 9:00a - Open (60m)
* 10:00a - BE 150
* 11:00a - Open (45m)
* 11:45a - Open (45m)
:
* 1:00p - Open (60m)
* 2:00p - Open (60m)
* 3:00p - Robotics subgroup (Pete, Andrea)
* 4:30p - Open (60m)
* 5:30p - Open (60m)
* 6:30p - Open (60m)
<hr>
==== Tue, 6 Mar ====
* 9:00a - Open (60m)
* 10:00a -Open (60m)
* 11:00a - Hold: CDS 90 (60m)

* 2:00p - Hold: CDS 90 (60m)
* 3:00p - Biocircuits subgroup (Enoch, Vanessa, Victoria)
* 5:00p - iGEM
|}

Laurent Lessard, Feb 2012

2012-01-24T02:22:57Z

Pavithra:

Laurent Lessard will visit CDS on 6 Feb 2012 (Mon). If you would like to meet with him, please sign up below.

* 10:00: Open
* 11:00: Seminar, 114 Steele Lab
* 12:00: Lunch, Athenaeum - with Richard & Sachin
* 1:00: Richard, 109 Steele Laboratory
* 2:00: Necmiye
* 2:45: Mumu
* 3:30: Pavithra
* 4:15: Open

<hr>

<center>
The Two Player Problem

'''Laurent Lessard''' 
LTH
</center>

Abstract: In decentralized control problems, multiple decision-makers collaborate to achieve a common global objective despite not having access to the same information about the system. Such architectures are inevitable as large systems such as the power grid continue to become more complex. In this talk, we consider a fundamental decentralized optimal control problem: two interconnected linear subsystems with a partially nested information pattern and output feedback. Our main contribution is an explicit minimal state-space realization of the optimal controller, which was previously not known. The solution we present provides much more than just a formula; it gives us the state dimension of the optimal controller, and reveals precisely what sort of estimation and control structure is optimal. This structure is different from the Kalman Filter/LQR separation one would expect in a classical LQG scenario, yet there is no increase in computational complexity for finding the optimal controller. This work provides a first step toward a state-space theory for decentralized control.

=== Biography ===
Laurent Lessard is a post doctoral researcher at Lund University, Sweden. His research interests include decentralized control, optimization, and finding computationally tractable approaches for complex engineering applications. Prior to coming to Lund, he received a BASc degree in Engineering Science at the University of Toronto in 2003, and a PhD degree in Aeronautics and Astronautics from Stanford University in 2011.

Naira Hovakimyan, Jan 2012

2012-01-18T17:28:21Z

Pavithra:

Naira Hovakimyan will visit CDS on 16 Jan 2012 (Thu). If you would like to meet with her, please sign up below.

* 11:00: Marin
* 11:45: Seminar setup
* 12:00: Seminar, 114 Steele
* 1:00: Lunch - Richard
* 2:00: Ufuk
* 2:45: Pavithra
* 3:30: Open
* 4:15: Open
* 5:00: Open

<hr>

<center>
L1 Adaptive Control and Its Transition to Practice

'''Naira Hovakimyan''' 
UIUC
</center>

Abstract: The history of adaptive control systems dates back to early 50-s, when the aeronautical community was struggling to advance aircraft speeds to higher Mach numbers. In November of 1967, X-15 launched on what was planned to be a routine research flight to evaluate a boost guidance system, but it went into a spin and eventually broke up at 65,000 feet, killing the pilot Michael Adams. It was later found that the onboard adaptive control system was to be blamed for this incident. Exactly thirty years later, fueled by advances in the theory of nonlinear control, Air Force successfully flight tested the unmanned unstable tailless X-36 aircraft with an onboard adaptive flight control system. This was a landmark achievement that dispelled some of the misgivings that had arisen from the X-15 crash in 1967. Since then, numerous flight tests of Joint Direct Attack Munitions (JDAM) weapon retrofitted with adaptive element have met with great success and have proven the benefits of the adaptation in the presence of component failures and aerodynamic uncertainties. However, the major challenge related to stability/robustness assessment of adaptive systems is still being resolved based on testing the closed-loop system for all possible variations of uncertainties in Monte Carlo simulations, the cost of which increases with the growing complexity of the systems. This talk will give an overview of the limitations inherent to the conventional adaptive controllers and will introduce the audience to the L1 adaptive control theory, the architectures of which have guaranteed robustness in the presence of fast adaptation. Various applications, including flight tests of a subscale commercial jet, will be discussed during the presentation to demonstrate the tools and the concepts. With its key feature of decoupling adaptation from robustness L1 adaptive control theory has facilitated new developments in the areas of event-driven adaptation and networked control systems. A brief overview of initial results and potential directions will conclude the presentation.

=== Biography ===

Naira Hovakimyan received her MS degree in Theoretical Mechanics and Applied Mathematics in 1988 from Yerevan State University in Armenia. She got her Ph.D. in Physics and Mathematics in 1992, in Moscow, from the Institute of Applied Mathematics of Russian Academy of Sciences, majoring in optimal control and differential games. In 1997 she has been awarded a governmental postdoctoral scholarship to work in INRIA, France. In 1998 she was invited to the School of Aerospace Engineering of Georgia Tech, where she worked as a research faculty member until 2003. In 2003 she joined the Department of Aerospace and Ocean Engineering of Virginia Tech, and in 2008 she moved to University of Illinois at Urbana-Champaign, where she is a professor, university scholar and Schaller faculty scholar of Mechanical Science and Engineering. She has co-authored a book and more than 250 refereed publications. She is the recipient of the SICE International scholarship for the best paper of a young investigator in the VII ISDG Symposium (Japan, 1996), and also the 2011 recipient of AIAA Mechanics and Control of Flight award. She is an associate fellow and life member of AIAA, a Senior Member of IEEE, and a member of SIAM, AMS and ISDG. Her current interests are in the theory of robust adaptive control and estimation, control in the presence of limited information, networks of autonomous systems, game theory and applications of those in safety-critical systems of aerospace, mechanical, electrical and biomedical engineering.

Group Schedule, Winter 2012

2011-12-21T15:56:51Z

Pavithra: /* Week 9: 27 Feb - 2 Mar */

This page contains information about various upcoming events that are of interest to the group. __NOTOC__
{| width=60%
|- valign=top
| width=50% |
* [http://www.cds.caltech.edu/~murray/calendar.html Richard's calendar (travel)]
| width=50% |
* [[Group Schedule, Fall 2011]]
|}

The schedule for group and subgroup meetings is given below. Everyone should sign up for times to talk in the subgroup meetings.


==== Directions: ====
* '''Biocircuits (Tue or Thu, 3-5 pm)''': graduate students should give 1 longer presentation per term + 1-2 additional research updates; postdocs, undergrads should give 1-2 research updates.
* '''NCS (Wed, 4-6 pm)''': grad students should speak 2 times per term for 15-20 min (+ discussion), postdocs and undergrads at least once
* '''Robotics (Wed, 4-6 pm)''': grad students and postdocs should speak 2 times per term for 15-20 min (+ discussion), undergrads at least once; will also do ad hoc updates
* '''Group meeting talks (WThF, 12-1:15)''': postdocs and senior grad students (G4+) should feel free to sign up for a group meeting talk (biocircuit grad students: this can be in place of longer subgroup talk)


<center>
'''Please sign up for at least one presentation in the first six weeks of the term.'''
</center>

Note that some of the meetings might need to shift, as noted; only sign up for those slots if you can make both times listed
 

{| width=100% border=1
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=== Week 1: 4-6 Jan ===
'''NCS: 4 Jan (Wed), 4-6 pm'''
* Jun Liu (15-20 min)
* Joseph Meyerowitz (15-20 min)
* Project updates
'''Group meeting: 5 Jan (Thu), 12-1:15'''
* Ophelia
'''Biocircuits: 5 Jan (Thu), 3-5 pm'''
* Vanessa (10-15 min)
* Jongmin (10-15 min)
* Research update (10-15 min)
* Lab organization, round II
<hr>
Academic holiday, 2-3 Jan 
CDS quals, 6 Jan (RMM busy all day)
| width=30% |

=== Week 2: 9-13 Jan ===
'''Robotics: 11 Jan (Wed), 4-6 pm'''
* Shuo (15-20 min)
* Scott Livingston (15-20 min)
* Short research updates (5 min each)
* Might shift to Fri, 1-3 pm
'''Biocircuits: 12 Jan (Thu), 3-5 pm'''
* Marcella (30-40 min)
* Safety briefing @ 4:00 pm (30-40 min)
* Lab updates
'''Group meeting: 13 Jan (Fri), 12-1:15 pm'''
* Domitilla Del Vecchio (MIT)
| width=30% |

=== Week 3: 16-20 Jan ===
'''Biocircuits: 17 Jan (Tue), 2-4 pm'''
* Research presentation (30-40 min)
* Dan (10-15 min)
* Shaunak (10-15 min)
* Lab updates
* Note time shift in day (to "regular" day)
'''NCS: 18 Jan (Wed), 4-6 pm'''
* Eric (15-20 min)
* Mumu (15-20 min)
* Project updates
'''Group meeting: 19 Jan (Thu), 12-1:15'''
* Naira Hovakimyan (UIUC)
|- valign=top
|

=== Week 4: 23-27 Jan ===
'''Group meeting: 23 Jan (Mon), 12-1:15'''
* Necmiye
'''Robotics: 24 Jan (Tue), 1-3 pm'''
* Stephanie (15-20 min)
* Pete (15-20 min)
* Short research updates (5 min each)
'''Biocircuits: 24 Jan (Tue), 3-5 pm'''
* Ophelia (30-40 min)
* Emzo (10-15 min)
* Enoch (10-15 min)
* Lab updates
|

=== Week 5: 30 Jan - 3 Feb ===
'''Biocircuits: 31 Jan (Tue), 3-5 pm'''
* Research Presentation (30-40 min)
* Nikki(10-15 min)
* Zach (10-15 min)
* Lab updates
'''NCS: 1 Feb (Wed), 4-6 pm'''
* Marcella (15-20 min)
* Ufuk (15-20 min)
* Project updates
'''Group meeting: 2 Feb (Thu), 12-1:15'''
* Jongmin
|

=== Week 6: 6 Feb - 10 Feb ===
'''Biocircuits: 7 Feb (Tue), 3-5 pm'''
* Vanessa (30-40 min)
* Paul (10-15 min)
* Victoria (10-15 min)
* Lab updates
'''Group meeting: 8 Feb (Wed), 12-1:15'''
* Andrea
'''Robotics: 8 Feb (Wed), 4-6 pm'''
* Scott Livingston (15-20 min)
* Andrea (15-20 min)
* Short research updates (5 min each)

|- valign=top
|

=== Week 7: 13-17 Feb ===
'''NCS: 15 Feb (Wed), 4-6 pm'''
* Necmiye (15-20 min)
* Scott Livingston (15-20 min)
* Project updates
'''Group meeting: 16 Feb (Thu), 12-1:15'''
* Chris Kempes
'''Biocircuits: 16 Feb (Thu), 3-5 pm'''
* Research presentation (30-40 min)
* Marcella (10-15 min)
* Research update (10-15 min)
* Lab updates
* Note change in day
|

=== Week 8: 20-24 Feb ===
'''Biocircuits: 21 Feb (Tue), 3-5 pm'''
* Emzo (30-40 min)
* Jongmin (10-15 min)
* Research update (10-15 min)
* Lab updates
'''Robotics: 22 Feb (Wed), 4-6 pm'''
* Shuo (15-20 min)
* Eric (15-20 min)
* Short research updates (5 min each)
* Meeting may shift to 10 Feb (Fri)
'''Group meeting: 23 Feb (Thu), 12-1:15'''
* Hold: possible job talk
|

=== Week 9: 27 Feb - 2 Mar ===
'''Biocircuits: 28 Feb (Tue), 3-5 pm'''
* Dan (30-40 min)
* Research update (10-15 min)
* Research update (10-15 min)
* Lab updates
* Will probably shift to 2 Mar, 3-5 pm
'''NCS: 29 Feb (Wed), 4-6 pm'''
* Mumu (15-20 min)
* Pavithra (15-20 min)
* Project updates
* Will probably shift to 2 Mar, 1-3 pm
'''Group meeting: 2 Mar (Fri), 12-1:15'''
* Shaunak
|- valign=top
|

=== Week 10: 5-9 Mar ===
'''Biocircuits: 6 Mar (Tue), 3-5 pm'''
* Enoch (30-40 min)
* Vanessa (10-15 min)
* Research update (10-15 min)
* Lab updates
'''Robotics: 7 Mar (Wed), 4-6 pm'''
* Pete (15-20 min)
* Andrea (15-20 min)
* Short research updates (5 min each)
'''Group meeting: 9 Mar (Fri), 12-1:15'''
* Hold: possible job talk
|

=== Week 11: 12-16 Mar ===
Finals week; Richard out of town
|
=== Week 12: 19-23 Mar ===
Spring break; Richard out of town
|}

Dec 2011 meetings

2011-12-07T04:01:53Z

Pavithra: /* 21 Dec (Wed) */

The list below has times that I am available to meet on 15-21 Dec. __NOTOC__
* Please pick a time that works and fill in your name. If none of the times work, send me e-mail (or find someone else who has a slot that does work and see if you can switch).
* To maximize the chance I get to meet with everyone, '''please sign up for times on 19-22 Dec if you are around that week'''

 
<table width=100% border=1>
<tr valign=top><td width=20%>
==== 15 Dec (Thu) ====
{{agenda begin}}
{{agenda begin}}
{{agenda item|10:00a|Enoch}}
{{agenda item|11:00a|Victoria}}
{{agenda item||}}
{{agenda item|4:30p|Shaunak}}
{{agenda item|5:30p|Hamed}}
{{agenda item|6:30p|Chris Kempes}}
{{agenda end}}
</td><td width=20%>

==== 16 Dec (Fri) ====
{{agenda begin}}
{{agenda item|10:00a|Open}}
{{agenda item|11:00a|Open}}
{{agenda item||}}
{{agenda item|2:30p|Shuo}}
{{agenda item|3:30p|Jongmin/Shaunak}}
{{agenda item|4:30p|Dominic}}
{{agenda item|5:30p|Andrea}}
{{agenda end}}
</td><td width=20%>

==== 19 Dec (Mon) ====
{{agenda begin}}
{{agenda item|12:30p|Mumu}}
{{agenda item|1:30p|Lab inspection}}
{{agenda item||}}
{{agenda item|5:00p|Ophelia}}
{{agenda end}}
</td><td width=20%>

==== 20 Dec (Tue) ====
{{agenda begin}}
{{agenda item|10:00a| Scott Livingston}}
{{agenda item|11:00a|Open}}
{{agenda item||}}
{{agenda item|2:00p|Open}}
{{agenda item|3:00p|Open}}
{{agenda item|4:00p|Open}}
{{agenda end}}
</td><td width=20%>

==== 21 Dec (Wed) ====
{{agenda begin}}
{{agenda item|11:30a|Open}}
{{agenda item||}}
{{agenda item|2:00p| Pavithra}}
{{agenda item|4:00p|Open}}
{{agenda item|5:00p|Open}}
{{agenda end}}
</td></tr>
</table>

Group Schedule, Fall 2011

2011-11-02T19:42:37Z

Pavithra: /* Week 9: 21-25 Nov */