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20-sim | 一体化建模仿真平台

20-sim 是一种可以运行在Windows 和Sun-Unix 操作系统下的一体化建模仿真平台。建模的平台是一种通用键合图自动仿真软件 20-sim。20-sim 是由荷兰的 Twente 大学的控制实验室所开发的一个主要面向机电系统设计的一体化建模仿真平台,可以运行在Windows 和Sun-Unix 操作系统下,其前身是TUTSIM。


20-sim 支持面向对象的建模方法,由模型和外界环境交换的功率或信号来确定模型。建立的模型为一个逐级树形结构,在任何模型内允许建立下一级子模型。某一个模型的其它实现,在接口的数量和类型确定后能包括不同或更详细的描述,这就允许自上而下或自下而上的建模方法。建模的过程能从一个简单的子系统或空系统的联络开始,然后加入不同复杂程度的真实的描述。系统模型在20-sim 中均可用较低层次的子模型构成。模型的最低层次是元件子模型。20-sim的模型库中提供了大量预先定义好的子模型,形成可重用的模型库,这些子模型可以作为建立新模型的构件。用户可以在库中不断地增加新的子模型来增加系统的功能。20-sim 利用其自身的仿真器对系统模型进行检验和纠错,然后编译成可运行的仿真模型并可生成标准的C 语言代码。在仿真器中可以设置子模型的实际参数、选择绘图变量、选择积分方法、设定仿真初始条件和仿真运行方式等。仿真运行结果可分别显示在曲线绘图窗口和动画演示窗口。


20-sim is a modeling and simulation program for mechatronic systems. With 20-sim you can enter model graphically, similar to drawing an engineering scheme. With these models you can simulate and analyze the behavior of multi-domain dynamic systems and create control systems. You can even generate C-code and run this code on hardware for rapid prototyping and HIL-simulation.


20-sim provides you with tools that allow you to create models very quickly and intuitively. You can create models using equations, block diagrams, physical components and bond graphs. Various tool boxes help you to build your models, simulate them and analyze their performance. Download the free viewer here and learn by doing. You will find that the package has some outstanding capabilities that will help you on numerous applications in many industries.


The 20-sim editor with a robot model loaded


The image above shows 20-sim with a robot model loaded. The robot is generated with the 3D Mechanics Toolbox and connected with standard actuator and sensor models from the mechanics library. The robot is controlled by PID controllers which are tuned in the frequency domain. Everything that is required to build and simulate this model is inside the package. No exteral software or compiler is needed!

Pathfinder | 紧急疏散逃生评估系统

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