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Questions related to Control Theory
I am studying the experimental application of reinforcement learning (RL) based control methods. For that reason, I modeled a nonlinear system without delay and trained the RL agent. In this...
03 February 2021 8,171 3 View
I would like to linearize my nonlinear MIMO system (I use this model for reference tracking purposes), but it doesn't fulfill the requirement of feedback linearization. Are there any alternative...
26 November 2020 4,821 3 View
By dynamical systems, I mean systems that can be modeled by ODEs. For linear ODEs, we can investigate the stability by eigenvalues, and for nonlinear systems as well as linear systems we can use...
28 August 2020 3,916 29 View
I know in the field of fluid mechanics, we mostly deal with PDEs such as Navier-Stokes equation. But what I want to do is to design a controller for flow control of a system consisting of a...
18 August 2020 6,398 4 View
Hi everyone, I hope you are well today, OK, let me go straight forward, I really like to implement the new control techniques, but I'm having to much problem in the concepts, it will be really...
09 August 2020 4,983 8 View
My current research is about SPC and I'm interested in tuning strategies for these types of predictive control approaches. The cost function is on the photo and the tuning parameters are Np...
24 July 2020 1,349 1 View
Hello, I am a bit familiar already with MPC and optimization routine by defining the cost function. My question is, generally we see MPC has cost function (if we talk about linear MPC) of the...
01 July 2020 8,521 5 View
Since the methods used in industry are more reliable than the ones presented in academic papers, I need to know the most commonly used adaptive PID control ( sometimes it is refered to as self...
26 May 2020 3,644 1 View
We have a stochastic dynamic model: Xk+1 =f(Xk,uk,wk ). We can design a cost function to be optimized using dynamic programming algorithm. How do we design a cost function for this dynamic...
07 May 2020 9,726 6 View
I want to simulate an inverter topology using PSIM thermal module to calculate MOSFET switching and conduction losses at different power levels. How I can adjust different power levels in...
25 February 2020 7,278 2 View
The problem is this: there is model of robot, created in Simscape. And knee of this robot is made of "pin-slot-joint", which allows one transnational and one rotational degree of freedom. In...
10 February 2020 5,309 2 View
I am interested in creating a multi-layer mechanical network. Therefore I would like to find a software where you can visualise nodes and links moving around in 2D and 3D space.
05 January 2020 1,399 1 View
I was wondering if there are some references available on harmonics analysis (especially for power systems) from a control theory perspective.
09 December 2019 6,149 3 View
Hi guys ! I have a fundamental question regarding the fitness criterion when performing a model estimation for system identification. This far, I have obtained a good model for a driving...
29 October 2019 3,813 1 View
We know that mathematicians study different mathematical spaces such as Hilbert space, Banach space, Sobolev space, etc... but as engineers, is it necessary for us to understand the definition of...
14 October 2019 9,996 9 View
I am designing a PI controller for a heating coil. Air flowing around the heating coil is heated before being supplied to a heated space. Hot water flows through the heating coil. In the suggested...
05 October 2019 3,804 5 View
How does K (The controller Gain) affect J (the objective function) in the LQR Control? How do I explain this a bit theoritically?
02 September 2019 9,903 2 View
If I have a MIMO system with a number of subsystems with moderate amount of coupling sensitivity and if those individual subsystems are BIBO stable then under what conditions the whole system can...
16 June 2019 1,510 4 View
I have a system dynamic that is non-smooth because it has several signum and absolute value functions in it (three-tank level control). I can obviously choose different sigmoid functions to...
13 June 2019 6,771 3 View
Dear community, I would like to request some references related to results on parameter-dependent Pareto Front, if there are any. I am interested in studying the behavior of the Pareto Front with...
09 May 2019 9,812 3 View
Description of the project : Renewable energy is on the rise all over the world. The biggest challenge in doing so, would be, i m y opinion the grid stability. If we talk about photovoltaic...
26 March 2019 3,854 5 View
for linear control systems x_dot=Ax+Bu the reachability set can be calculated using the Image of the controllability matrix, i.e R=([B AB A^2B,....,]) and reachability set=Im(R) when rank(R)=n,...
19 January 2019 5,932 3 View
Why are horizontal degrees of freedom (DOF) mainly considered in the dynamic equation of motion rather than other DOFs such as vertical and rotational for control of structures?
16 January 2019 5,534 9 View
In the well-known nonlinear system reference H.Khalil, Nonlinear Systems Third Edition in chapter 13.Feedback linearization, Khalil developed a theory for feedback linearization(Theorem...
12 January 2019 3,280 5 View