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Data logging technology in ambulatory medical instrumentation.
1Biomedical Electronics Laboratory, Department of Electronic and Computer Engineering, University of Limerick, Limerick, Ireland.
Physiological Measurement
|June 20, 2001
Summary
Advancements in ambulatory data logging, from analogue tape to digital storage, have improved human subject studies. Digital technology offers enhanced recording duration, signal resolution, and parameter counts for ambulatory monitoring.
Area of Science:
- Biomedical engineering
- Human physiology monitoring
- Wearable technology
Background:
- The evolution of ambulatory data logging for human subjects began with analogue tape systems in the 1960s.
- Novel storage technologies in the 1990s revitalized ambulatory monitoring research.
- Previously impractical data logging systems are now feasible due to advances in processing power, size, and cost.
Purpose of the Study:
- To review advancements in ambulatory data logging for human subjects.
- To outline the requirements for contemporary ambulatory data logging.
- To investigate various data recording systems described in the literature.
Main Methods:
- Literature review of analogue tape, solid-state memory, and disk drive storage systems.
- Analysis of historical trends and technological developments in data logging.
- Evaluation of system practicality concerning processing power, size, and cost.
Main Results:
- Digital-based technology is proposed as the optimal solution for human-based data logging challenges.
- Novel digital storage media are enabling longer recording durations.
- Improvements in signal resolution and the number of parameters are evident with digital systems.
Conclusions:
- Digital technology significantly enhances ambulatory data logging capabilities for human subjects.
- Continued development in digital storage media will drive further improvements in data acquisition.
- The trend of increased recording duration, resolution, and parameters is expected to persist.