The LabVIEW Control Design and Simulation Module (CDSim) was a comprehensive add-on that extended LabVIEW’s graphical development environment into the domain of model-based control design. Its primary purpose was to streamline the entire control system development lifecycle, from initial concept to real-time hardware deployment.
| Purpose | VI Name | |---------|---------| | Build TF model | CD Construct Transfer Function Model.vi | | Step response | CD Step Response.vi | | Bode plot | CD Bode.vi | | Pole placement | CD Pole Placement.vi | | Simulation loop timer | Get Simulation Time.vi | | Convert SS ↔ TF | CD Model Conversion.vi |
This component provides a time-step execution framework for ordinary differential equations (ODEs).
Elias was running with the Control Design and Simulation Module. It was a robust workhorse, trusted by engineers for decades. labview control design and simulation module 2018 2021
The 2021 version of the LabVIEW Control Design and Simulation Module introduces several new features and improvements, including:
[ Plant Modeling ] ──> [ Linear Analysis ] ──> [ Controller Design ] ──> [ HIL Deployment ] Step 1: Plant Modeling
: Introduced broader support for modern operating systems, including Windows 10 (version 1909) , macOS 10.14/10.15 , and 64-bit Linux distributions like Red Hat Enterprise 8 and CentOS 8. The LabVIEW Control Design and Simulation Module (CDSim)
: At the core of the module's simulation and deployment capability was the Control & Simulation Loop . Unlike a standard LabVIEW While Loop, this specialized structure executed its simulation diagram according to an ordinary differential equation (ODE) solver. Engineers could configure advanced parameters, selecting from a variety of ODE solvers (like Runge-Kutta methods) to manage the trade-off between simulation accuracy and speed. The loop could run deterministically on a real-time operating system, making it the foundation for both offline simulations and deployed real-time controllers.
The Control Design and Simulation Module unifies two distinct engineering workflows into a single graphical interface. 1. Control Design Toolkit
The operational strength of the CD&S module is best understood through its fundamental programming workflow. Step 1: The Control Design Phase Elias was running with the Control Design and
Generate Bode plots, Nyquist plots, and Nichols charts to determine stability margins. 3. Simulation Environment
"We need to upgrade," Sarah said. "We’re installing ."
However, with National Instruments (now part of Emerson) releasing new versions annually, teams often face a dilemma: Should we stick with the stable 2018 release, or upgrade to the newer 2021 ecosystem?