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Questions related from Samira Eshghi
I need help in understanding the role of (random) sampling in implementation of a control system in Simulink. I need a basic, general example to visualize the role of the sampler in a control...
04 April 2018 3,944 3 View
The frequency of data sampling differs in commonly used mechanism such as uniform, nonuniform, random, event-triggered etc. Less frequent sampling saves energy. How do we compare energy...
03 March 2018 9,003 1 View
Hi I'm conducting a literature review on Formation Flying. While there are numerous studies and surveys on the subject, I have not been able to find a well-structured concept map on the general FF...
09 September 2016 9,146 2 View
I'm trying to perform fractional power for a vector containing both positive and negative values. The power is not an integer so the Simulink fails to perform the operation and gives out the...
01 January 2015 8,711 8 View
I have simulated a system using pure simulink blocks. Later I substituted some of the subsystems by commands in a matlab embedded function. The results are completely different. What could cause...
11 November 2014 8,757 6 View
In page 21 of this lecture note, quaternion error approximation for small errors has been defined as the deduction of the desired from current. It does not make sense mathematically speaking....
10 October 2014 3,772 1 View
Anyone can help with spacecraft attitude error dynamics simulation?
08 August 2014 9,026 1 View
The primary focus of my master thesis is control system design, the plant on which the control approaches are implemented is associated with aerospace engineering. Will I have better chance of...
06 June 2014 4,962 5 View
What are the advantages of using Jacobian in control problems?
05 May 2014 6,771 4 View
The singularity error identifies the block in which the problem occurs (e.g.Integrator), however, the problem initiates in other part of block which finally causes singularity in integrator. What...
04 April 2014 4,957 5 View
It could be taken as u_sw=-(1/b)ksgn(s) where k is defined as in Applied nonlinear Control by slotine. Does the definition vary for advanced SMC like non-singular terminal SMC?
03 March 2014 2,195 6 View
The sliding mode controller for the satellite attitude control works fine for less than half an orbit. A singularity happens and stops the simulation. What are the causes and what are the solutions?
02 February 2014 9,977 11 View