How to design Model Predictive Control for Uncertain Nonlinear System with input delay?

Suppose we have a nonlinear system: x_dot=A x + B u(t-T) + phi(x) + d(t) y=Cx where x:state, u:control input, d:exogenous disturbance (bounded), phi(x): nonlinear vector (satisfy local...

05 June 2019 6,470 3 View

Is it possible to design a kalman filter for state estimation based on a discretized model and implement control that is based on continuous model?

Suppose, I have a continuous state space model of a system: x_dot(t) = A x(t) + B u(t) + e_1, y(t)=Cx(t)+e_2 .................(1), e_i, i=1,2: random Gaussian noise Now, discrete version of...

11 December 2018 9,516 1 View

How to design a observer for nonlinear affine uncertain system with exogenous disturbance input?

08 September 2017 3,766 1 View

How to do identification of a open-loop stable system using neural network ?

I need to identify a system which is open-loop stable. Now if I want to identify it using neural network,would I need to make the system close-loop stable for collecting the input-output data points ?

07 August 2017 3,094 1 View

How to solve this LMI using LMI toolbox in matlab? Please share code.

Ac(3x3 symmetric): known, to determine scalar beta. Y Ac' beta + beta Ac Y + 2 Y < 0 Y > 0 beta < 0 Lmi variables: Y(positive definite symmrtric), beta(scalar)

05 June 2017 8,938 1 View

If lie bracket of two column vectors is zero, what can we say about span of matrix is involutive or not?

I have a matrix with column vectors: A=[a1 a2 a3 a4 a5]; where a1,a2,a3,a4,a5 are column vectors a1=[0 0 0 0 1]T a2=[0 0 0 1 1]T a3=[0 0 1 1 1]T a4=[0 1 1 1 1]T a5=[x 1 1 1 1]T lie bracket [a1...

03 April 2017 6,180 3 View

How to perform system identification of a SISO system which has an disturbance input?

09 October 2016 5,905 4 View

How do I estimate the parameters of an nonlinear model (ODE) using an in-out data from another model for the same system using ANN (Neural Network)?

07 August 2016 462 6 View

What are applications of the concept of Vector Spaces (especially, Banach Space and Hilbert Space) in Control Theory?

What are the applications of the concept of various vector spaces like Banach space, Hilbert space, Eucledian space etc. in Control theory? What is the reason behind consideration of different...

07 August 2016 4,523 6 View

How can I implement a set of ordinary differential equations in NI c-RIO and LabVIEW?

07 August 2016 8,286 0 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

What is the most Operating System (OS) which can be INSTALL on Tiny hard devices like Raspberry Pi (RPi) hardware ?

I'm targeting to deploy a mesh network and manually configure MANET routing protocols. I'm preparing scenarios, architectures, and hard devices needed to do that. Are there some step-by-step...

03 March 2021 1,931 5 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View