ADAPLAB-3: finite-frequency identification and adaptation toolbox for MATLAB

Description of ADAPLAB-3 (MATLAB ToolBox) for finite-frequency identification and adaptation is given. As distinct from known MATLAB ToolBoxes, ADAPLAB-3 algoritms proceed from assumption that an external disturbance applied to a plant and a measurement noise are unknown but bounded functions. A test signal as a sum of a minimal number of harmonics is used for identification. An adaptive control is formed on the base of H-infinity optimization and the results of identification of the plant and a closed-loop system. ADAPLAB-3 has some substantial differences from the early developed toolbox ADAPLAB-M: the discrete-time plants are considered; the amplitudes and the frequencies of the test signal are tuned automatically during the identification and adaptation process; the time of identification and adaptation is determined automatically in dependence on the current external disturbances and the noise.