Software for Operational Modal Analysis
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The ARTeMIS name stands for Ambient Response Testing and Modal Identification Software. It covers all the tools an engineer needs to perform a high quality modal analysis without knowing the forces acting on the structure and while the structure is in operation. This technology is in general known as Operational Modal Analysis.  

ARTeMIS Modal 5 (64 bit) Released - Try it Today! 

The Ultimate Tool for Operational Modal Analysis


New Plugin - Direct Control of National Instruments DAQ modules

ARTeMIS Modal 5 now includes a plugin that enable direct control of data acquisition modules from National Instruments. ARTeMIS Modal communicates with the National Instruments API called NI-DAQmx, and all modules handled by this API can be used in ARTeMIS Modal.

Please read more here about new plugin that works with all versions of ARTeMIS Modal (Basic, STD, Pro), or check out this YouTube video introduction

New SSI-UPCX Modal Estimator with Uncertainty Estimation

From ARTeMIS Modal Pro 5, a new powerful Stochastic Subspace Identification technique is included. The name of this Crystal Clear Stochastic Subspace Identification technique is Extended Unweighted Principal Component, or in short SSI-UPCX.

A unique aspect of the SSI-UPCX technique is that uncertainty estimation of the modal parameters is performed in a fast and memory-efficient way. Uncertainties associated with the measured data are propagated to uncertainties associated with the estimated modal parameters. The uncertainties are visualized in the Stabilization Diagram using confidence bounds, and through the estimated Coeffiencients of Variation (CV) the most uncertain modes are automatically filtered out.

There are several benefits of this new technique compared to today's modal analysis estimation techniques:

  • More accurate estimates of modal parameters than when using conventional "mean value" based clustering techniques.

  • Effective elimination of computational (noise) modes and other unstable modes.

  • Automatic modal estimation becomes more reliable in Structural Health Monitoring.

Please read more here about this exciting new technique.



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Case Studies - ARTeMIS Modal
Vasco da Gama Cable-Stay Bridge
Heritage Court Tower
Prolec GE Transformer

Damage Detection of the Dogna Bridge
High-rise Building during Northridge EQ

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ARTeMIS Modal - Operational Modal Analysis

Structural Vibration Solutions A/S • Tel: +45 9635 4422 • Fax: +45 9635 4575 •