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首页《MATLAB的S-Function编写指导》——完整版.PDF
《MATLAB的S-Function编写指导》——完整版.PDF
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更新于2023-03-16
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讲述MATLAB的S-Function基本功能和编写,可对于初学者具有参考学习的价值,令初学者简明扼要的了解S-Function的编写规范。
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Simulink
®
基于模型与基于系统的设计
n 建模
n 仿真
n 实现
S-Function的编写
Version 5
i
目录
S-FUNCTION概述....................................................................................................................................1
S-F
UNCTION
................................................................................................................................2
S-F
UNCTION
....................................................................................................................3
向S-Function传递参数.....................................................................................................................3
何时使用S-Function..........................................................................................................................4
S-F
UNCTION
........................................................................................................................5
Simulink块的数学关系......................................................................................................................5
仿真过程..............................................................................................................................................5
S-Function回调程序..........................................................................................................................6
S-F
UNCTION
................................................................................................................................8
M-文件的S-Function.........................................................................................................................8
MEX文件的S-function.....................................................................................................................8
MEX文件与M-文件的S-function比较...........................................................................................9
S-F
UNCTION
..............................................................................................................................10
直接馈通............................................................................................................................................10
动态维矩阵........................................................................................................................................10
设置采样时间和偏移量.....................................................................................................................11
S-F
UNCTION
..................................................................................................................................14
M文件S-function范例....................................................................................................................15
C S-Function范例............................................................................................................................16
Fortran S-Function范例..................................................................................................................18
C++ S-Function范例.......................................................................................................................18
Ada S-Function范例.......................................................................................................................18
编写M S-FUNCTION..............................................................................................................................19
........................................................................................................................................................20
S-Function参数................................................................................................................................20
S-Function的输出............................................................................................................................20
S-F
UNCTION
.....................................................................................................................22
S-F
UNCTION
.........................................................................................................................22
MS-F
UNCTION
.................................................................................................................23
范例1——简单的M文件S-Function...........................................................................................23
范例2——连续状态S-Function....................................................................................................25
范例3——离散状态S-Function....................................................................................................27
范例4——混合系统S-Function....................................................................................................28
范例5——变步长S-Function........................................................................................................31
ii
使用C语言编写S-FUNCTION.............................................................................................................33
........................................................................................................................................................34
创建C MEX S-Function..................................................................................................................35
S-F
UNCTION
..........................................................................................................................36
配置生成的S-Function....................................................................................................................37
S-Function Builder如何生成S-Function......................................................................................37
设置include路径.............................................................................................................................37
S-F
UNCTION
B
UILDER
...........................................................................................................39
Initialization选卡..............................................................................................................................39
Data Properties选卡.......................................................................................................................40
Libraries选卡....................................................................................................................................42
Outputs选卡.....................................................................................................................................43
Continuous Derivatives选卡..........................................................................................................45
Discrete Update选卡......................................................................................................................46
Build Info选卡..................................................................................................................................47
C MEX S-F
UNCTION
...............................................................................................48
定义与包含........................................................................................................................................49
回调函数的实现................................................................................................................................50
Simulink/Real-Time Workshop接口.............................................................................................51
Building Timestwo范例...................................................................................................................51
C S-F
UNCTION
..............................................................................................................................52
S-Function源文件必需的内容........................................................................................................52
SimStruct...........................................................................................................................................53
编译C S-Function............................................................................................................................53
S
IMULINK
C S-F
UNCTION
........................................................................................54
进程层面............................................................................................................................................54
数据层面............................................................................................................................................56
........................................................................................................................................59
L
EVEL
1 C MEX S-F
UNCTION
L
EVEL
2..............................................................................60
创建C++ S-FUNCTION..........................................................................................................................63
创建ADA S-FUNCTION.........................................................................................................................64
创建FORTRAN S-FUNCTION..............................................................................................................65
实现块特性................................................................................................................................................67
............................................................................................................................................68
iii
可调参数............................................................................................................................................68
................................................................................................................................................70
创建运行参数....................................................................................................................................70
更新运行参数....................................................................................................................................71
............................................................................................................................72
创建输入端口....................................................................................................................................72
创建输出端口....................................................................................................................................73
输入的标量扩展................................................................................................................................74
掩码多端口S-Function....................................................................................................................75
....................................................................................................................................76
................................................................................................................................................77
基于块的采样时间............................................................................................................................77
指定基于端口的采样时间................................................................................................................79
基于块与基于端口的混合采样时间................................................................................................81
多速率S-Function块.......................................................................................................................82
多速率S-Function块的同步...........................................................................................................83
................................................................................................................................................84
工作向量与过零检测........................................................................................................................85
包括指针工作向量的范例................................................................................................................85
内存分配............................................................................................................................................86
F
UNCTION
-C
ALL
........................................................................................................................87
................................................................................................................................................89
防超程代码........................................................................................................................................89
SsSetErrorStatus的终止条件........................................................................................................90
数组边界检查....................................................................................................................................90
S-F
UNCTION
..................................................................................................................................91
连续状态的S-Function范例...........................................................................................................92
离散状态的S-Function范例...........................................................................................................93
混合系统的S-Function范例...........................................................................................................93
变步长的S-Function范例...............................................................................................................94
过零检测的S-Function范例...........................................................................................................94
时变连续传递函数的S-Function范例...........................................................................................94
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