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关于LABVIEW的控制仿真教学
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2018-03-28
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关于LABVIEW的控制仿真教学 从基础到高级 分5步帮助你运用LABVIEW并将系统仿真通过实验平台应用于现实的硬件
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Prerequisite: Learn LabVIEW 8 in 3 Hours - http://zone.ni.com/devzone/cda/tut/p/id/5247
This is a list of the objectives of the course.
This course prepares you to do the following:
• Become comfortable with the LabVIEW Control Design Toolkit and Simulation Module.
• Use LabVIEW to solve control problems.
• Construct transfer functions and build systems.
• Develop a control algorithm and analyze its response.
• Simulate a control algorithm with non-linear behavior.
• Optimize algorithms through the interactive environment.
This course does not describe any of the following:
• Programming theory
• Every built-in LabVIEW function or object
NI does provide free reference materials on the above topics on ni.com.
The LabVIEW Help is also very helpful:
LabVIEW»Help»Search the LabVIEW Help…
Virtual Instrumentation
For more than 25 years, National Instruments has revolutionized the way engineers and scientists in
industry, government, and academia approach measurement and automation. Leveraging PCs and
commercial technologies, virtual instrumentation increases productivity and lowers costs for test, control,
and design applications through easy-to-integrate software, such as NI LabVIEW, and modular
measurement and control hardware for PXI, PCI, USB, and Ethernet.
With virtual instrumentation, engineers use graphical programming software to create user-defined
solutions that meet their specific needs, which is a great alternative to proprietary, fixed functionality
traditional instruments. Additionally, virtual instrumentation capitalizes on the ever-increasing performance
of personal computers. For example, in test, measurement, and control, engineers have used virtual
instrumentation to downsize automated test equipment (ATE) while experiencing up to a 10 times increase
in productivity gains at a fraction of the cost of traditional instrument solutions. Last year 25,000 companies
in 90 countries invested in more than 6 million virtual instrumentation channels from National Instruments.
Virtual Instrumentation Applications
Virtual instrumentation is applicable in many different types of applications, starting from design to
prototyping and deployment. The LabVIEW platform provides specific tools and models to solve specific
applications ranging from designing signal processing algorithms to making voltage measurements and can
target any number of platforms from the desktop to embedded devices – with an intuitive, powerful graphical
paradigm.
With version 8, LabVIEW scales from desi
g
n and develo
p
ment on PCs to several embedded tar
g
ets from
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ruggedized toaster size prototypes to embedded systems on chips. LabVIEW streamlines system design
with a single graphical development platform. In doing so, LabVIEW encompasses better management
of distributed, networked systems because as the targets for LabVIEW grow varied and embedded, you will
need to be able to more easily distribute and communicate between various LabVIEW code pieces in your
system.
Control Applications
When discussing control systems, we are actually referring to a large range
of applications. Probably even larger than you have suspected. First of all,
control systems are commonly found in industrial environments. For
example, consider an oil refinery with process control systems that
continually manufacture and produce oil. The control system used for
processing may consist of a Programmable Logic Controller (PLC) executing
PID l ith Di t ib t C t l S t (DCS) f l
a
PID
a
l
gor
ith
m, or a
Di
s
t
r
ib
u
t
e
C
on
t
ro
l
S
ys
t
em
(DCS)
f
or a
l
arger process
control. In this case, the control system is used to manufacture a product.
A control system can also be part of an end product being manufactured.
This has been seen primarily in the automotive and aerospace industries with
electronic control units and flight control systems. However, control systems
are now finding their way into other end products such as precision motor
controllers for computer hard drives and white goods like washing machines
controllers
for
computer
hard
drives
and
white
goods
like
washing
machines
.
While control systems used to manufacture a product often stem from
established control strategies such as PID control, control systems
embedded in end products often use new and innovative control strategies.
The tools and techniques used to develop and embed control systems in
end-products has evolved to include model-based design tools. However,
manufacturin
g
control en
g
ineers are also be
g
innin
g
to ado
p
t these tools and
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techniques to develop more advanced control systems.
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- kongfanxu12018-07-12很不错,很实用
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