Fractional order models of leaves

• Type: Article in International Scientific Journal
• Date: 2014

Authors

António Mendes Lopes (Author) FEUP; Jose Tenreiro Machado (Author) Other

Journal

Title: JOURNAL OF VIBRATION AND CONTROL

Vol. 20 No. 7

Pages: 998-1008

ISSN: 1077-5463

Indexing

ISI Web of Knowledge - 43 Citations

ISI Web of Science

Scopus - 52 Citations

Scientific classification

FOS: Engineering and technology

Other information

Authenticus ID: P-009-9PD

DOI: 10.1177/1077546312473323

Abstract (EN): Leaves are mainly responsible for food production in vascular plants. Studying individual leaves can reveal important characteristics of the whole plant, namely its health condition, nutrient status, the presence of viruses and rooting ability. One technique that has been used for this purpose is Electrical Impedance Spectroscopy, which consists of determining the electrical impedance spectrum of the leaf. In this paper we use EIS and apply the tools of Fractional Calculus to model and characterize six species. Two modeling approaches are proposed: firstly, Resistance, Inductance, Capacitance electrical networks are used to approximate the leaves' impedance spectra; afterwards, fractional-order transfer functions are considered. In both cases the model parameters can be correlated with physical characteristics of the leaves.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 11