Notice of Violation of IEEE Publication Principles - Immersion and invariance based fault tolerant adaptive spacecraft attitude control

Notice of Violation of IEEE Publication Principles

"Immersion and Invariance Based Fault Tolerant Adaptive Spacecraft Attitude Control"
by Danyal Bustan, Seyyed Kamal Hosseini Sani, and Naser Pariz
in the Proceedings of the 21st Iranian Conference on Electrical Engineering (ICEE), May 2013

After careful and considered review of the content and authorship of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE's Publication Principles.

This paper contains portions of text from the paper(s) cited below. A credit notice is used, but due to the absence of quotation marks or offset text, copied material is not clearly referenced or specifically identified.

"Robust and Adaptive Nonlinear Attitude Control of a Spacecraft: A Comparison of Backstepping-based Designs"
by Guilherme Fragoso Trigo
in his Master of Science Thesis, Delft University of Technology, August 2011


In this paper, an immersion and invariance (I&I) adaptive fault tolerant satellite attitude tracking control scheme is proposed. The proposed controller is capable of track the desired trajectory in the presence of unknown actuator multiplicative faults and unknown inertial matrix. Also based on Lyapunov direct method, all closed loop signals are proven to be globally asymptotically stable. The main advantage of this controller is improving closed loop performance while maintaining stability in the presence of unknown actuator faults. This method does not rely on certainty equivalence principle so it can be used to control the transient response of overall closed loop system by means of controlling the parameter estimation behavior which is not possible in traditional adaptive control. Numerical simulations are performed to demonstrate the effectiveness of proposed control scheme.