Hybrid control and acquisition system for remote control systems for environmental monitoring

Fabio Garufi; Fausto Acernese; Alfonso Boiano; Rosario De Rosa; Rocco Romano; Fabrizio Barone

doi:10.1117/12.772198

3 April 2008 Hybrid control and acquisition system for remote control systems for environmental monitoring

Fabio Garufi, Fausto Acernese, Alfonso Boiano, Rosario De Rosa, Rocco Romano, Fabrizio Barone

Proceedings Volume 6926, Modeling, Signal Processing, and Control for Smart Structures 2008; 692615 (2008) https://doi.org/10.1117/12.772198
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2008, San Diego, California, United States

Abstract

In this paper we describe the architecture and the performances of a hybrid modular acquisition and control system prototype for environmental monitoring and geophysics. The system, an alternative to a VME-UDP/IP based system, is based on a dual-channel 18-bit low noise ADC and a 16-bit DAC module at 1 MHz. The module can be configured as stand-alone or mounted on a motherboard as mezzanine. Both the modules and the motherboard can send/receive the configuration and the acquired/correction data for control through a standard EPP parallel port to a standard PC for the real-time computation. The tests have demonstrated that a distributed control systems based on this architecture exhibits a delay time of less than 25 us on a single channel, i.e a sustained sampling frequency of more than 40 kHz (and up to 80 kHz). The system is now under extensive test in the remote controls of seismic sensors (to simulate a geophysics networks of sensors) of a large baseline suspended Michelson interferometer.

Citation Download Citation

Fabio Garufi, Fausto Acernese, Alfonso Boiano, Rosario De Rosa, Rocco Romano, and Fabrizio Barone "Hybrid control and acquisition system for remote control systems for environmental monitoring", Proc. SPIE 6926, Modeling, Signal Processing, and Control for Smart Structures 2008, 692615 (3 April 2008); https://doi.org/10.1117/12.772198

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