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1、MATLAB is a software products developed by U.S. MathWorks, a simple engineering calculation language, a CAD tool set which can complete the whole system designing process from concept describing to technology realizing , a commonly used standard design software in the world of scientific research an
2、d engineering design. MATLAB has the functions as follows: to achieve system prototyping, hardware simulation in the loop, test the performance of systems or components, calculations of software in engineering, system design and analysis, system modeling and mathematical simulation. The application
3、about MATLAB in the nation is most focused on the function and role in the phase of concept design or the plan design, rarely reflected the function and role of the implement in the phase of system design technology14.MATLAB / Simulink software has become one of the most powerful simulation software
4、 in the simulation field. Simulation modeling is more intuitive than the general modeling procedure, the operation is also more simple without memorying various usage of parameters - orderany, as long as the mouse to be able to complete a very complex task.In many cases, we use MATLABs Smulink tool
5、control system design objects and the mathematical simulation test systems.However, when we want to operate the hardware, real-time simulation, most people will choose to use other low-level languages.Now, MATLAB provides a transition from a mathematical model to simulate a real-time simulation tool
6、s - RTW (Real-time Workshop).RTW (Real-time Workshop), is provided by MATLAB simulation and real-time system for rapid prototyping of real-time product development environment is graphical modeling and simulation environment MATLAB is an important complement Smulink module, in short, it isA code gen
7、eration based on Smulink environment.It can directly generate the model from the Smulink optimized, portable and personalized code and automatically generate a variety of configurations depending on the target under the program.It can accelerate the simulation process used to provide intellectual pr
8、operty protection, or generated in different real-time environment for rapid prototyping or product goal run.RTW supports multiple target environment, xPC is one of the more perfect a target environment.MathWorks xPC Target is a company provides and distribution system framework based on RTW additio
9、nal products can be Intel80x86/Pentium or PC compatible computer into a real-time system, and supports many types of I / O device boards (including both ISA and PCItypes).Using xPC Target, you just install the relevant software, a compiler and I / O device board, can be a PC compatible computer as a
10、 real-time systems, control systems or to achieve rapid prototyping of DSP systems, the hardware in the looptesting and function with real-time systems.Motor inrush current is very short, usually small squirrel cage induction motor starting current is about 5-7 times the motor rated current, the use
11、 of Analog ammeter, the ammeter pointer can be roughly the maximum offset as a transient motor starting current, butThis method of low precision, and can not observe the dynamic process of starting current, it was constructed using xPC Target xPC real-time dynamic environment simulation test platfor
12、m, you can easily from the induction motor starting current of Smulink the mathematical simulation of the transition toreal-time simulation, and adjust the parameters can be done online.Construction using xPC target environment in real-time dynamic simulation test platform, using two computers to fo
13、rm a double xPC development environment, including a PC, as the host, the other an industrial computer as the target machine.Host MATLAB 6.5 installed on the test model used to design, in order to use the xPC, you must install a compiler, the design uses the Visual C + +6.0.xPC target on the target
14、machine does not need to install DOS, Windows, Linux or any operating system, users can start with a special target boot floppy, BIOS xPC Target real-time kernel is the only required software, when used only for appropriatesetup to give better play to xPC Target real-time features.Host and target ma
15、chines connected via Ethernet or serial line, this design is used in common industrial Ethernet, Ethernet card should be noted that the network communications data rate can not exceed 10MB / S.After the PC, connect the two, start the target machine will generate the boot disk.On the host running MAT
16、LAB, the command line, type xpcsetup, the target environment settings window will pop up, configured, insert the floppy disk, click the Bootdisk, generate xPC real-time kernel, real-time using this with xPC target kernel boot floppy disk,This target has become a real-time kernel with real-time simulation computer.Application host - target mode, the simulation model and parameters of the measurement object organically combine to both the test object parameters in real time to verify
