Publication

On the issues related to compliance of LF pulsed exposures with safety standards and guidelines

2013
Journal Articles

Abstract

In this paper, procedures to determine compliance of low-frequency pulsed exposures are investigated. Current methods specified by international standards or guidelines (e.g., from the ICNIRP or IEEE) are recognized to be conservative in order to account for uncertainties coming from the assessment procedures. In this way, protection of workers and the general public should be guaranteed. However, overly conservative procedures could hinder the application of technologies employing complex, intermittent, or pulsed waveforms without improving safety. Besides over conservatism, variabilities among the results of several procedures are examined for the first time. These limits pose several concerns on the applicability of the existing compliance formulae. A more stable technique, which is still easy to implement, is therefore proposed.

Official source

https://infoscience.epfl.ch/entities/publication/d961cd95-41d0-44ae-9644-6841e3b689df

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2013
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/d961cd95-41d0-44ae-9644-6841e3b689df

About this result

Related concepts (25)

Waveform

In electronics, acoustics, and related fields, the waveform of a signal is the shape of its graph as a function of time, independent of its time and magnitude scales and of any displacement in time. Periodic waveforms are those that vary periodically – they repeat regularly at consistent intervals. In electronics, the term is usually applied to periodically varying voltages, currents, or electromagnetic fields. In acoustics, it is usually applied to steady periodic sounds — variations of pressure in air or other media.

Pulse wave

A pulse wave or pulse train is a type of non-sinusoidal waveform that includes square waves (duty cycle of 50%) and similarly periodic but asymmetrical waves (duty cycles other than 50%). It is a term used in synthesizer programming, and is a typical waveform available on many synthesizers. The exact shape of the wave is determined by the duty cycle or pulse width of the oscillator output. In many synthesizers, the duty cycle can be modulated (pulse-width modulation) for a more dynamic timbre.

International standard

An international standard is a technical standard developed by one or more international standards organizations. International standards are available for consideration and use worldwide. The most prominent such organization is the International Organization for Standardization (ISO). Other prominent international standards organizations including the International Telecommunication Union (ITU) and the International Electrotechnical Commission (IEC). Together, these three organizations have formed the World Standards Cooperation alliance.

Related publications (1)

On the issues related to compliance of LF pulsed exposures with safety standards and guidelines

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