John
Google Inc
Followers: 0 Following: 0
Estadística
53 Preguntas
21 Respuestas
CLASIFICACIÓN
5.178
of 295.495
REPUTACIÓN
9
CONTRIBUCIONES
53 Preguntas
21 Respuestas
ACEPTACIÓN DE RESPUESTAS
41.51%
VOTOS RECIBIDOS
9
CLASIFICACIÓN
of 20.240
REPUTACIÓN
N/A
EVALUACIÓN MEDIA
0.00
CONTRIBUCIONES
0 Archivos
DESCARGAS
0
ALL TIME DESCARGAS
0
CLASIFICACIÓN
of 153.991
CONTRIBUCIONES
0 Problemas
0 Soluciones
PUNTUACIÓN
0
NÚMERO DE INSIGNIAS
0
CONTRIBUCIONES
0 Publicaciones
CONTRIBUCIONES
0 Público Canales
EVALUACIÓN MEDIA
CONTRIBUCIONES
0 Temas destacados
MEDIA DE ME GUSTA
Accept 20 answers given by other contributors
Awarded to John on 17 Jul 2023
Provide your first answer ever to someone else's question
Awarded to John on 20 Jul 2017
Feeds
Pregunta
How can a Simulink State Space block state be periodically reset?
In Simulink, can a State Space block's states be periodically reset, ie not just set on startup? If not, what alternative is t...
9 meses hace | 1 respuesta | 0
1
respuestaPregunta
How to run two Simulink models at different rates, in the same workspace?
Is it possible to run two Simulink models at different rates, in the same workspace? I'm looking to run two identical models (o...
9 meses hace | 1 respuesta | 0
1
respuestaPregunta
Discrete-time Simulink not matching Matlab Connect()
I'm trying to understand why my discrete-time Simulink feedback loops are seemingly far from Matlab's Connect() results. Per he...
9 meses hace | 1 respuesta | 0
1
respuestaPregunta
Discrete Derivative block (Simulink) behaves differently than expected
I'm discretizing a known-working continuous system model that includes x state outputs from the simulink Varying State Space blo...
10 meses hace | 1 respuesta | 0
1
respuestaLQI with time-delay system
"Did you set the Pade order (for linearization) value in the Transport Delay block parameters to a positive integer? If not, th...
10 meses hace | 0
LQI with time-delay system
"The location of the delay(s) will also have different affects on the closed loop I/O response as well if the delay is on the fe...
10 meses hace | 0
Pregunta
LQI with time-delay system
Matlab's documentation mentions that state-space systems with dead-time (eg. plant or measurement delays) can be defined with ss...
11 meses hace | 2 respuestas | 0
2
respuestasHow to add disturbance feedforward to LQI()
Thanks Paul. My question was confusing because i grammatically misunderstood something you wrote :) Your latest explanation said...
11 meses hace | 0
How to add disturbance feedforward to LQI()
1) I have more to ask later :), but was hoping to clarify Matlab nomenclature first, since that may change my questions... "Def...
11 meses hace | 0
How to add disturbance feedforward to LQI()
Thanks @Paul, that's useful. I didn't know that signal paths could be turned on and off as you showed in sampleBlock. Very handy...
11 meses hace | 0
Pregunta
How to add disturbance feedforward to LQI()
I'm seeing an issue where adding disturbance FF to an LQI system is not causing any performance increase -- even though in my Si...
11 meses hace | 1 respuesta | 0
1
respuestaPregunta
Standalone Application Compiler for OSX
I'm confused on the process for generating a standalone application for OSX, using Application Compiler. I've read all the docu...
más de 1 año hace | 1 respuesta | 0
1
respuestaPregunta
acker(): "Error using sym/poly". Why?
I'm trying to find the eigenvalues of a matrix H manually, where H represents some system dynamics. (The system is defined by ...
más de 1 año hace | 2 respuestas | 0
2
respuestasManually compute LQI() gains using Algebraic Riccati Equation / Hamiltonian
Thanks @Paul. Good point about being able to use place() as well. The main question was this one: Is there a better manual m...
más de 1 año hace | 0
Pregunta
Manually compute LQI() gains using Algebraic Riccati Equation / Hamiltonian
I'm attempting to compile a Matlab program for embedded use, and that program also includes lqr() and lqi(). Since neither are c...
más de 1 año hace | 2 respuestas | 0
2
respuestasPregunta
Simulink Switch doesn't propagate rate transition
How can I make a Simulink Switch to propagate rate transition? Right now I have two signal paths, of variable rates, with the r...
más de 1 año hace | 1 respuesta | 0
1
respuestaPregunta
Extra zeros added to a TF by zero()
I'm seeing extra zeros added to a TF by zero(). Here's a state space TF, in zpk form (for compactness, as the SS form is large ...
más de 1 año hace | 2 respuestas | 0
2
respuestasPregunta
Commenting out Simulink block changes in unrelated system
I have an issue where "Commenting Through" a Simulink block semmingly changes the response of an unrelated system. Say I have u...
más de 1 año hace | 1 respuesta | 0
1
respuestaPregunta
Simulink Matrix multiply error: unexpected scalar signal mismatch
I'm confused by a Simulink error relating to a "mismatched port size". I have a scalar signal in a feedback loop -- the exact c...
más de 1 año hace | 1 respuesta | 0
1
respuestaPregunta
Step() not working as expected with USS state space (Uncertain Sys)
I'm trying to figure out what step() is doing with uss (uncertain) discretized state space equations, for 2nd-order systems. Th...
más de 1 año hace | 1 respuesta | 1
1
respuestaPregunta
How to tell if an object is an Uncertain state-space (USS) model?
I have a function that is overloaded, and takes both standard state space, and uncertain (uss) state space as inputs. Since c2d...
más de 1 año hace | 1 respuesta | 0
1
respuestaPregunta
Adding InternalDelay for State Space system
Say I have a closed loop feedback system sys without any delays, represented as a state space system. It was 2 inputs: reference...
más de 1 año hace | 1 respuesta | 0
1
respuestalsim() vs step() : are different responses expected?
@Walter Roberson Thanks for verifying. I thought it was the same directory as well, ie it seems like the matching function is ca...
más de 1 año hace | 0
Pregunta
lsim() vs step() : are different responses expected?
Are different responses expected if running lsim() and step(), both with the same unit step inputs? I have a state-space system...
más de 1 año hace | 2 respuestas | 0
2
respuestasPregunta
Discretize State Space feedback controller using c2d()
I'm looking to discretize a State Space feedback controller using c2d(), to find loop rate limits with which this feedback syste...
más de 1 año hace | 1 respuesta | 0
1
respuestaIs there lqid() ? Lqr() has lqrd(), but I can't find lqid()
To answer my own question, after writing to mathworks: lqr() has lqrd(), but there isn't an equivalent for lqi(). lqi() is over...
más de 1 año hace | 0
| aceptada
Pregunta
Is there lqid() ? Lqr() has lqrd(), but I can't find lqid()
Is there lqid()? Lqr() (continuous-time) has lqrd() (discrete-time), but I can't find lqid(). Is lqi() overloaded for discret...
más de 1 año hace | 1 respuesta | 0
1
respuestaPregunta
Change rlocus() axis units to Hz?
How can I change the plotted rlocus() real axis units to Hz, vs rad/s? I tried Property Editor --> clicking on X axis --> More ...
más de 1 año hace | 1 respuesta | 0
1
respuestaPregunta
Simulink error: Time-Varying State Space block
I have a Simulink error I can't figure out, relating to the Time-Varying State Space block dimensions. I'm using this block so...
más de 1 año hace | 2 respuestas | 1
2
respuestasPregunta
LQG issue: state estimates always perfect
I'm working through an LQG controller for a simple 2nd-order spring/mass/damper system, using an LQR controller base. See my at...
más de 1 año hace | 1 respuesta | 0
1
respuesta
También puede seleccionar uno de estos países/idiomas:
América
- América Latina (Español)
- Canada (English)
- United States (English)
Europa
- Belgium (English)
- Denmark (English)
- Deutschland (Deutsch)
- España (Español)
- Finland (English)
- France (Français)
- Ireland (English)
- Italia (Italiano)
- Luxembourg (English)
- Netherlands (English)
- Norway (English)
- Österreich (Deutsch)
- Portugal (English)
- Sweden (English)
- Switzerland
- United Kingdom(English)
Asia-Pacífico
- Australia (English)
- India (English)
- New Zealand (English)
- 中国
- 日本Japanese (日本語)
- 한국Korean (한국어)