simulink

Is there a way to share a C structure (instantiated only once) among several C S-functions? Here's what I mean: I have a Simulink model with many blocks that are implemented as C S-functions. There are many model parameters that are needed in those blocks and I would like to create a single object that holds all model parameters and is instantiated only once when I start the simulation. Right now I instantiate this object for each S-function in order to access the parameters but it would be nice to share this object among the S-functions. Just a pure guess: Could I place my model parameters

I asked today a question about Parallel Computing with Matlab-Simulink. Since my earlier question is a bit messy and there are a lot of things in the code which doesnt really belong to the problem. My problem is I want to simulate something in a parfor-Loop, while my Simulink-Simulation uses the "From Workspace" block to integrate the needed Data from the workspace into the simulation. For some reason it doesnt work. My code looks as follows: load DemoData path = pwd; apool = gcp('nocreate'); if isempty(apool) apool = parpool('local'); end parfor k = 1 : 2 load_system(strcat(path,'\DemoMDL'))

对新手来说，在进行simulink仿真时想把工作区的变量添加到Simulink中，这样在如transfer模块中使用时可以直接输变量即可。 如这样： 那么如何对Simulink仿真文件自动赋值呢？ 1、打开Model Properties 2、对变量进行定义和赋值 来源： https://www.cnblogs.com/KaifengGuan/p/11942615.html

I want to model a system in Simulink, and then access that simulation from a python program to feed it new conditions or inputs. I know there is a module out there that allows you to access the Matlab engine from Python, but this is a little different. I'd like to have a system modeled in Simulink, and monitor some hardware using Python. Then, every say quarter second or so, call Simulink, run the simulation using current conditions of the hardware, get some output and repeat the process. Basically I'm trying to play around with a real time simulator for hardware. I am running Ubuntu 11.04 I

How do I convert from a function, that I have written as an m-file, into a block in a Simulink model? There's a video here that shows some options. Basically, use the MATLAB Function block. Or, if you want to keep the code separate (and don't care about code generation), you can use the MATLAB Interpreted Function block. 来源： https://stackoverflow.com/questions/2225248/convert-function-to-simulink-block

This question already has an answer here: Mapping a global variable from a shared library with ctypes 1 answer I have to integrate python with external so library . Unfortunately, the C code uses a global variable SimpleTest_Y (structure) and I need to access it in order to modify the value(s). Here the C code SimpleTest.c file #include "SimpleTest.h" /* External inputs (root inport signals with auto storage) */ ExtU_SimpleTest_T SimpleTest_U; /* External outputs (root outports fed by signals with auto storage) */ ExtY_SimpleTest_T SimpleTest_Y; /* Model initialize function */ void SimpleTest

I have some processing (moving of wheelset). Wheelset has mass, it's variable and it's declaring in init.m file (for example M=1; ) Now I want that in this proccess mass of wheelset will be changed every 2 seconds. How to save the new value of mass to M variable from Simulink? Better solution than storing variable to workspace, changing it in workspace and reading it back to simulation (I am not even sure if this is allowed) is to change it within simulation itself and use that variable. If you would explain your problem better maybe I can help you more. Can you just use something like the

转自：matlab/simulink/simpowersystem中连续vs离散! http://bbs.elecfans.com/jishu_369721_1_1.html matlab /simulink/simpowersystem 中连续vs离散! 本文中的一些具体数学推导见下面链接： 计算机仿真技术 1.连续系统vs离散系统 连续系统是指系统状态的改变在时间上是连续的，从数学建模的角度来看，可以分为连续时间模型、离散时间模型、混合时间模型。其实在simpowersystem的库中基本所有模型都属于连续系统，因为其对应的物理世界一般是电机、 电源 、电力 电子 器件等等。 离散系统是指系统状态的改变只发生在某些时间点上，而且往往是随机的，比如说某一路口一天的人流量，对离散模型的计算机 仿真 没有实际意义，只有统计学上的意义，所以在simpowersystem中是没有模型属于离散系统的。但是在选取模型，以及仿真算法的选择时，常常提到的discrete model、discrete solver、discrete simulate type等等中的离散到底是指什么呢？其实它是指时间上的离散，也就是指离散时间模型。 下文中提到的连续就是指时间上的连续，连续模型就是指连续时间模型。离散就是指时间上的离散，离散模型就是指离散时间模型，而在物理世界中他们都同属于连续系统

Matlab/simulink中绘制bode图 1、 在matlab中直接调用tf，margin，bode函数 2、 在simulink中利用LTI观察器 代码方式是大家平时经常用的，在这里不做详细说，最后附上常用代码 一、LTI观察器 首先打开simulink，建立一个空白文件，绘制bode之前先明白一点就是绘制的bode是反应系统自身的响应特性，所以在这里不考虑相应的输入输出，我们用input/output模块将系统本身的响应与输入输出分离开 这是我们得出系统的bode图很重要的一步 第二步在文件中建立系统，我们用最简单的二阶系统为例，系数是0.7，此时我们建立好了最简单的二阶系统，下面我们运行仿真 接下来我们点击Analysis下的ControlDesign,找到Linear Analysis(我用的matlab版本是2014a，在较低版本下可能有不同) 来源： CSDN 作者： 电力电子小栈 链接： https://blog.csdn.net/dty306034831/article/details/79257800