Methodological Considerations On Use Of
Perception Model To Forecast CO And NO2
Concentrations In Urban Area.
Author(s)
A. Pelliccioni & E. Pessa
Abstract
Methodological considerations on use of
perception model to forecast CO and N(>2
concentrations in urban area.
A. Pelliccioni*, E. Pessa
1. Italian Institute for Occupational Safety and Health (ISPESL)-
Environmental Department, Via Urbana- 167, 00184 Rome, Italy.
Email: parmando@rdn.it
2. ECONA- Interuniversity Research Center.
c/o. Dipartimento di Psicologia Universita di Roma "La
Abstract
A 3 -layer Perception Neural Network (NN) with Error Backpropagation (EBP) learning rule
has been used to forecast the concentration levels of CO and NO] in the urban center of
Rome.
A comparison was made between forecasting performances corresponding to different
training sets and to different activation functions.
A first set of simulations has been designed to forecast CO levels using data taken 1 hour
before. A second set of simulations has been done to forecast the NO] levels using data taken
12/24 hours before.
The NN's performance so far observed appears to be very good, mainly if
Keywords
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