• 1451 Citations
  • 18 h-Index
1984 …2019
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Personal profile

Research interests

Fractional Signals and Systems
Biomedical Signal Processing
Digital Signal Processing

External positions

Invited Researcher, INESC – Instituto de Engenharia de Sistemas e Computadores

1 Dec 1984 → …


  • Q Science (General)
  • Signal Processing
  • Fractional Calculus
  • Biomedical Signal Processing

Fingerprint Dive into the research topics where Manuel D. Ortigueira is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

Derivatives Engineering & Materials Science
Linear systems Engineering & Materials Science
Fractional Mathematics
Laplace transforms Engineering & Materials Science
Impulse response Engineering & Materials Science
Fractional Derivative Mathematics
Transfer functions Engineering & Materials Science
Linear Systems Mathematics

Network Recent external collaboration on country level. Dive into details by clicking on the dots.

Research Output at NOVA 1984 2019

7 Citations (Scopus)

Fractional derivatives: The perspective of system theory

Ortigueira, M. D. & Machado, J. T., 5 Feb 2019, In : Mathematics. 7, 2, 150.

Research output: Contribution to journalArticle

Open Access
Fractional Calculus
Fractional Derivative
Systems Theory
8 Citations (Scopus)

Variable order fractional systems

Ortigueira, M. D., Valério, D. & Machado, J. T., 15 Jun 2019, In : Communications In Nonlinear Science And Numerical Simulation. 71, p. 231-243 13 p.

Research output: Contribution to journalArticle

Fractional-order System
Fractional Derivative
Dynamical systems
Mittag-Leffler Function
25 Citations (Scopus)
7 Downloads (Pure)

A critical analysis of the Caputo–Fabrizio operator

Ortigueira, M. D. & Machado, J. T., 1 Jun 2018, In : Communications In Nonlinear Science And Numerical Simulation. 59, p. 608-611 4 p.

Research output: Contribution to journalComment/debate

Open Access
2 Downloads (Pure)
Open Access
Mittag-Leffler Function
Laplace transforms
Laplace transform
Inverse Laplace Transform
Inverse transforms
1 Citation (Scopus)

Fractional model of the electrochemical capacitor relaxation phenomenon

Martynyuk, V., Ortigueira, M., Fedula, M. & Savenko, O., 1 Aug 2018, In : Bulletin of the Polish Academy of Sciences: Technical Sciences. 66, 4, p. 441-448 8 p.

Research output: Contribution to journalConference article

Open Access
electrochemical capacitors
Impulse response
Inverse transforms