Advanced Control Research Laboratory - UIUC

Naira Hovakimyan to give plenary talk at Midwest Workshop

cichell2 — Thu, 28 Mar 2013 15:50:13 +0000

Naira Hovakimyan is invited to give a plenary talk at the 2nd Midwest Workshop on Control and Game Theory, University of Notre Dame. The workshop brings together researchers, students and faculty in the field of game and control theory to facilitate discussions and new collaborations. The workshop comprises of invited and contributed presentations. More information regarding the workshop can be found here.

University of Notre Dame

ICCPS Best Paper Nominee

cichell2 — Thu, 28 Mar 2013 15:09:07 +0000

Assistant professor Xiaofeng Wang of the University of South Carolina and professors Naira Hovakimyan and Lui Sha of UIUC are nominated for a best paper award at ICCPS for their paper “L1Simplex: Fault-Tolerant Control of Cyber-Physical Systems”. Dr. Xiaofeng Wang was a post-doctoral researcher at the Advanced Control Research Laboratory from 2009-2012. During his time at UIUC he extended the theory of L1 adaptive control for real-time applications in the field of networked systems. A selection of his publications can be found here.

ICCPS (Picture courtesy of ICCPS)

NASA Technology Days

Ronald Choe — Thu, 06 Dec 2012 16:15:18 +0000

L1 Adaptive Control was recently showcased as a matured technology developed through a partnership between NASA and the industry and academia. The event was held at the Public Auditorium in Cleveland, OH from November 28-30, 2012. This three-day event and technology showcase brought together a broad community of stakeholders from industry, academia, and the U.S. government to engage in strategy development, partnership building, and implementation of ways to foster technology transfer and innovation.

Steve Snyder at the L1 Adaptive Control booth

Dr. Hovakimyan honored with award at ICNPAA Congress

Ronald Choe — Fri, 27 Jul 2012 03:53:06 +0000

Dr. Hovakimyan was invited to give a keynote at ICNPAA Congress in Vienna, Austria, held on July 10th till July 14th. At the congress she was honored with a technical achievement award for her contributions to ICNPAA. More information can be found here.

Dr. Hovakimyan (2nd from right) with the organizers of the ICNPAA Congress

Hexarotor with L1 Adaptive Control flies with loss of one motor

Ronald Choe — Tue, 29 May 2012 03:06:08 +0000

Another successful flight conducted by unmanned-dynamics! This time a hexarotor is augmented with an L1 adaptive controller. The video below shows an outdoor flight with loss of one motor. It can be seen that the L1 adaptive controller compensates for the ‘failure’ and that the hexarotor flies stably and maintains good handling qualities.

Click here to view the embedded video.

Unsubstantiated and wrong claims about L1 Adaptive Control

Ronald Choe — Thu, 03 May 2012 05:30:42 +0000

Recently, there has been a widely circulated article [1], co-authored by P. Ioannou, K. Narendra, A. Annaswamy, S. Jafari, L. Rudd, R. Ortega, and J. Boskovic, in which the authors express “with one voice” their “growing concern” about the claims on performance and robustness guarantees of L1 adaptive control.

In response, we have written a document that rebuts the claims of the article, which are proven to be unsubstantiated and, for the most part, plainly wrong. In fact, the article is so wrong that it is clear that the authors did not put any effort to follow up on our work and rushed to create a document that shows complete lack of understanding of the main claims of the L1 Adaptive Control theory.

The document can be found here or under the Downloads section.

References

P. Ioannou, K. S. Narendra, A. M. Annaswamy, S. Jafari, L. Rudd, R. Ortega, and J. Boskovic, “L1-adaptive control: Stability, robustness, and misperceptions,” submitted to IEEE Transactions on Automatic Control, 2012.

Quadrotor indoor flight with L1 Adaptive Controller

Ronald Choe — Thu, 15 Mar 2012 15:04:10 +0000

A team from unmanned-dynamics successfully implemented an L1 adaptive controller on a quadrotor. The team is expecting to fly outdoors any time soon. See below for a preview of a flight conducted indoors!

Click here to view the embedded video.

Enric successfully passes his preliminary defense for Ph.D.

nhovakim — Wed, 16 Nov 2011 22:22:44 +0000

On November 11th Enric had his preliminary defense of Ph.D. thesis on the topic “Time-Critical Cooperative Path-Following Control of Multiple Autonomous Vehicles”.

Two small tactical UAVs equipped with complementary vision sensors try to detect and follow improvised targets along a pre-specified road.

Baby boy for Zhiyuan and Hui!

Ronald Choe — Sat, 22 Oct 2011 19:54:48 +0000

Congratulations to Zhiyuan and Hui!! On 11th October 2011, Hui gave birth to a beautiful baby boy! Both mother and baby are doing well. The little prince of the young couple is named Leshan.

Prof. Hovakimyan named University Scholar

Ronald Choe — Wed, 28 Sep 2011 03:38:15 +0000

Together with five other Urbana campus faculty members, Prof. Hovakimyan has been recognized as University Scholar. The program recognizes excellence while helping to identify and retain the university’s most talented teachers, scholars and researchers.

Six recipients of the University Scholar Awards 2011

Prof. Hovakimyan with her lab