For each step a transient analysis is run and the efficiency of the circuit is automatically calculated. This is time consuming and error-prone.Our goal for this example will therefore be to set the switching frequency of parameters on a buck converter based on NXP components and then perform a sweep across several switching frequency, Fsw, values. Without a toolkit such as this one in LabVIEW an individual would try to optimize efficiency by manually changing values in a circuit and recording the simulated value in each. Example 1: Efficiency Calculation of a Buck ConverterThis example uses theLabVIEW Multisim API Toolkit to iterate through multiple critical values in a circuit in an automated fashion to assist us in calculating efficiency.
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How to Install the LabVIEW Multisim API ToolkitThe LabVIEW Multisim API Toolkit is installed automatically with Multisim 13Ĥ. Check for error messages, get a circuit image or generate reports.3. Configure component values, switch models, change circuit parameters, and replace variants of a Multisim circuit.7. Execute analyses and use the SPICE command line.6.
Control and check the state of the simulation (DC, AC, or Transient). Configure inputs and outputs, as well as also set data for inputs or get data from outputs.4. Manage Multisim files (open, create and save files, as well as query file information).3. Establish a connection to Multisim, check the connection status, disconnect from Multisim, query the application location and version.2. With this API toolkit users can take advantage of over 120 ready-to-use LabVIEW Virtual Instruments (VIs) to:1.
What is the LabVIEW Multisim API Toolkit?Multisim natively provides an Application Programming Interface (API) that allows for the automation of circuit simulation and analyses through a COM interface that designers can use to programmatically control.The LabVIEW Multisim API Toolkit is a collection of VIs that makes the Multisim API ready-to-use for LabVIEW users. Some of the critical types of analyses that are available include:Evaluating circuit performance with non-ideal signals from real measurementsVisualizing outputs of circuits in custom graphs and interfacesAutomating and iterating through different design scenarios with LabVIEW2.
The LabVIEW Multisim API toolkit added in Multisim 13.0 enables designers of analog and mixed-mode circuits to easily create graphical program in LabVIEW that rapidly perform or automate critical design tasks which is impossible in other simulation tools. IntroductionMultisim allows engineers to use simulation to optimize the performance of designs earlier in the design flow and ensure circuits meet specifications with fewer prototype iterations. Example 2: Automating a Simulation of a Signal Conditioning Circuit with Acquired Heart-Beat Signal6. Example 1: Efficiency Calculation of a Buck Converter5. How to Install the LabVIEW Multisim API Toolkit4. What is the LabVIEW Multisim API Toolkit?3. You can for automate simulations easily from a graphical programming language, to: Access simulated measurements within the LabVIEW environment for further, domain specific analysis Correlate simulated and real measurements in a single LabVIEW environment Use simulated measurements as a design under test (DUT), in order to build test/validate cases earlier in the design flowTable of Contents1. This toolkit is an innovative new connection between the worlds of design and graphical programming. Automate Circuits Analyses with the NI LabVIEW Multisim API Toolkit - National InstrumentsĪutomate Circuits Analyses with the NI LabVIEW Multisim API ToolkitPublish Date: Oct 07, 2013OverviewThe NI LabVIEW Multisim API Toolkit has been developed for the LabVIEW environment and provides access to more than 120 functions to automate the simulation of a Multisim circuit from LabVIEW.
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