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Questions related to Control Theory
In control theory, when we can control the time-derivative of some state in the system, it means that we can control the state itself. consider the system x1_dot=x2 x2_dot=f(x,u) in the above...
09 January 2019 3,295 1 View
Imagine we have an ODE system x_dot=[f1(x,u), f2(x,u), f3(x,u),....fn(x,u)] where f1,..,fn are nonlinear functions of control input u and states x, x is member of R^n and u is member of...
07 January 2019 4,369 5 View
What are the promising research directions in current optimal control theories? Online optimal control, intelligent optimization control or other methods?
25 November 2018 7,735 3 View
Hi everyone, I have implemented an EKF in a power systems application. When I run a simulation in Matlab, in some iterations of the filter I get a Kalman gain matrix (K) with negative values...
13 November 2018 9,750 2 View
for deterministic systems, with defining proper terminal constraint , terminal cost and local controller we can prove the recursive feasibility and stability of nonlinear system under model...
11 November 2018 8,441 2 View
In the literature, most of the time, it is assumed that the system is slow enough and the time required for calculation of optimal control in each step of MPC can be neglected. it is a correct...
24 October 2018 9,039 1 View
I have to design a fractional order PID controller for a maglev plant. The maglev plant is an open-loop unstable system. Its transfer function has two real poles, one on the RHS of s-plane and one...
13 September 2018 6,305 6 View
Its a controls theory related problem
20 August 2018 6,278 3 View
Hello everyone, I am trying to develop a control model for trolleybus (or car ) travel time. According to the optimal control theory. First, I must determine the dynamic equation for a...
08 July 2018 9,258 3 View
I know most industrial robots used PID before but what about now? after all the advancement in the field of control theory and emergence of adaptive control and Sliding mode control, do we still...
07 July 2018 3,766 4 View
I want to study the matrix pencils which occur during solving optimal control theory problems.
30 May 2018 2,162 2 View
Although I know that analytic functions are infinitely differentiable and the taylor series converges to the function but I want to know why they are so useful from the perspective of robust...
09 May 2018 3,386 2 View
Hi, What are the books and/or papaers/reports that are recommended in order to understand fullly the mathematical stuff in the following book: Robust and Optimal Control by Kemin Zhou et...
15 April 2018 3,565 11 View
in the literature, for solving an optimal control problem, most of the times we consider the system (ode equation) as a constraint and solve the optimal control problem, here is the question: if I...
02 March 2018 689 9 View
I am searching a good reference to learn the Hamiltonian control theory for optimization but I have not found any yet. Please introduce if you know any.
22 February 2018 4,393 4 View
I got an problem solving a MIQCP: I want to cut my feaseable region into to spaces with a quadratical constraints (half circle). For points inside my half circle there is no problem, but the area...
07 February 2018 1,908 4 View
What is the reason that when we minimize the dc gain of the asymptotically stable LTI system, the poles of the system is shifted in left-hand side or the transient response of the system is...
07 February 2018 4,517 3 View
Vibro-acoustic analysis of structures and power trains can be done using various methods but I wish to know how it can be extended to development of an electric powertrain and performance of...
31 January 2018 4,464 2 View
These are in every paper about anti-windup or systems with actuator saturation. I haven't find any prove for that. In every paper they say they are equivalent. K = [K1; K2] is the Controller G =...
29 January 2018 8,262 1 View
How to deal with a system when linearized model at a given equilibrium is uncontrollable?
02 September 2017 1,304 5 View
The control theory is rich with the methods for analyzing the stability of time delay systems, however, these methods are usually very complex for engineering practitioners to apply on practical...
27 August 2017 970 8 View
Consider the discrete system x' = A(t)x + B(t)u y = C(t)x' + D(t)u The matrices A, B, C, D contain time-varying parameters (calculated by a second model) which are given in the initial state, but...
20 May 2017 2,924 1 View
can someone please share the International Journal of Control Theory and Applications paper publish format?
19 April 2017 1,952 1 View
Hello, I am trying to use a Kalman filter to smooth a noisy signal. My signal is actually comprised by two components, i.e., my signal has two dimensions, since it represents the coordinates of a...
25 January 2017 2,569 4 View