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Nathaniel Goldfarb


Last seen: oltre un anno fa |  Attivo dal 2021

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Domanda


cannot extract data from figure with multiple lines
Hello, I have a matlab figure with muliple lines in it that I am trying to extact. However I can only get the figure line. I...

oltre 2 anni fa | 1 risposta | 0

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risposta

Domanda


match hardware update frequency in simulation
Hello, I am trying to tune my Simulink controller for a system I built. My communication speed is about 350Hz using Serial comm...

quasi 3 anni fa | 1 risposta | 0

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risposta

Domanda


Control sending frequency for serial communication
I am trying to read/write data from an arduino over serial using Simulink. I am sending two floats down (as sin waves for now) a...

quasi 3 anni fa | 0 risposte | 0

0

risposte

Domanda


Synchronize Serial communication between simulink and Arduino
I am trying to build a model that sends two floats over serial to an arduino and waits for two values to be sent back. For now a...

quasi 3 anni fa | 1 risposta | 0

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risposta

Domanda


Matlab crashes when using ROS toolbox
I am using the ROS toolbox along with the responce tool kit to optmize my controller. IT work most of the time but sometimes i g...

circa 3 anni fa | 0 risposte | 0

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Risposto
I want to optimize two parameters for my model
Yes You can use the responce optimization toolbox, you can then choose what varbiles you want to optimize

circa 3 anni fa | 0

Domanda


variables only changing by small amount in response optimizer
I am trying to use the responce opertizer using Simplex method. The magntidue of my varibles is in 10^3 but they appear to only ...

circa 3 anni fa | 0 risposte | 0

0

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Domanda


how does the scale parameter work in the response optimizer
I am trying to use the repsonce optmizer in simullink to optimze severla varbibles for my controller. My question is how does th...

circa 3 anni fa | 0 risposte | 0

0

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Domanda


change search range of response optimization
I am trying to use the Responce Optimizer package in simulink. I set up the search range for my all my tuning design varibles. ...

circa 3 anni fa | 1 risposta | 0

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Risposto
Warning: Initializing MATLAB Graphics failed
I solve the problem by following this answer: https://www.mathworks.com/matlabcentral/answers/364986-matlab-error-graphic

circa 3 anni fa | 0

| accettato

Domanda


Warning: Initializing MATLAB Graphics failed
I got the following error today when I restarted matlab and I am not sure how to fix it Warning: Initializing MATLAB Graphics...

circa 3 anni fa | 1 risposta | 0

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Risposto
no IP in Gazebo virtual machine
I was able to solve this problem using this: https://askubuntu.com/questions/1073031/ubuntu-18-04-internet-connection-not-wor...

circa 3 anni fa | 0

| accettato

Domanda


no IP in Gazebo virtual machine
I was using the VM provided by Mathworks with not problem. When I booted it up today the VM did not have a IP address. I am no...

circa 3 anni fa | 1 risposta | 0

1

risposta

Domanda


Error:Brace indexing is not supported for variables of this type.
I am using the Responce optmization toolbox to optmize my controller and I am getting the following error: === Design Optimiz...

oltre 3 anni fa | 1 risposta | 0

1

risposta

Domanda


optimization for reference tracking
Hello, I am trying to find optimal parameters for my sliding mode controller. I am using the Responce optimizer app to get t...

oltre 3 anni fa | 0 risposte | 0

0

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Risposto
communicating with node in VM
Followed this to solve the problem: https://www.mathworks.com/help/ros/ug/get-started-with-gazebo-and-a-simulated-turtlebot.html...

oltre 3 anni fa | 0

| accettato

Domanda


communicating with node in VM
I am having trouble communicating with my MATLAB ROS ndoe. I am deploying my node into my VM and trying to see the topic. While...

oltre 3 anni fa | 1 risposta | 0

1

risposta

Domanda


Brace indexing is not supported for variables of this type in Simulink
I have been having a lot of trouble building and runing simulink models with custom messages. Nothing I seems to do works. It...

oltre 3 anni fa | 1 risposta | 0

1

risposta

Domanda


Unrecognized message type in ros simulink
I am having problems building and running my simulink model. I am try using a custom message in a service but when I try to buid...

oltre 3 anni fa | 1 risposta | 0

1

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Risposto
speed up ROS controller loop rate
Here is my model. Thankyou for all the help

oltre 3 anni fa | 0

Risolto


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

oltre 3 anni fa

Domanda


speed up ROS controller loop rate
I am using a MATLAB 2021a. I made a sliding mode controller to control a robot in a simulation. I have been following severa...

oltre 3 anni fa | 2 risposte | 0

2

risposte

Domanda


measure the ROS loop time in simulink
I am trying to figure out my control loop time in simulink for controlling my simulation using MATLAB 2021a. I am using the loo...

oltre 3 anni fa | 1 risposta | 0

1

risposta

Domanda


ROS simulink controller is slow
I am trying to build a controller in simulink to interact with ROS and custom simulation of my robot. The controller is rather c...

oltre 3 anni fa | 0 risposte | 0

0

risposte

Domanda


custom ROS service bus assignment
Hello, I am trying to call a ROS service using a custom service message in simulink. I have successfuly followed the instr...

oltre 3 anni fa | 1 risposta | 0

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