Digital fractional-order differentiator and integrator - new IIR type

A new IIR type of the fractional-order differentiator and integrator.

Description

A new general IIR type digital fractional-order differentiator and integrator based on power series expansion of the trapezoidal (Tustin) rule.

For more details and help write:
>> help dfod3

See also my previous digital fractional-order differentiators and integrators:

http://www.mathworks.com/matlabcentral/fileexchange/3672

http://www.mathworks.com/matlabcentral/fileexchange/3673

or more information in the article:

http://www.advancesindifferenceequations.com/content/2011/1/652789

• Acknowledgements: This submission has inspired the following:; Discrete Fractional-Order PID Controller
• Required Products: Control System Toolbox
• MATLAB release: MATLAB 7.11 (2010b)

[Zhuo Li]