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LabVIEW 8.5 delivers new design features

Posted: 26 Feb 2008 ?? ?Print Version ?Bookmark and Share

Keywords:NI LabVIEW 8.5? graphical system design? MIMO?

The NI LabVIEW 8.5 Control Design and Simulation Module has been released by National Instruments Corp. It is an extension of the LabVIEW graphical system design platform that helps engineers analyze open-loop model behavior, design closed-loop controllers, simulate systems and create real-time implementations.

New features
The latest version of the module introduces new design features such as analytical proportional integral derivative (PID) for improving system closed-loop stability and model predictive control to multi-variable systems.

The module also offers expanded support of LabVIEW MathScript with the addition of 18 new .m file functions to simplify tasks such as creating models, defining how models are connected and analyzing system stability.

A new time-saving feature in the module offers analytical PID capability that provides engineers with functions to find sets of PID gain values automatically for a given system model, making it easy for them to avoid undesired behavior at design time and improve system stability, said NI.

This latest version also includes model predictive control (MPC), a popular algorithm used in industry to control multiple input, multiple output (MIMO) systems in complex process control applications. Engineers and scientists can use the MPC feature to construct controllers that adjust the control action before a change in the output set-point actually occurs. This ability to predict model behavior combined with traditional feedback helps the controller make smoother adjustments that are closer to the optimal control action values, said NI.

The LabVIEW Control Design and Simulation Module integrates with NI software tools such as the LabVIEW Statechart Module for event-based control design or simulation and the LabVIEW Real-Time Module for rapid control prototyping and hardware-in-the-loop applications as well as system deployment. The module can also be combined with the LabVIEW System Identification Toolkit and NI I/O devices to develop measurement-based controllers.

The NI LabVIEW 8.5 Control Design and Simulation Module is priced from $2,999.

- Gina Roos
eeProductCenter




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