Summary: The evaluation of a new robust control design method called Robust Model Matching (RMM) is treated by applying it to the design of electrical position servos. RMM is a practical method for the control of plants with wide parameter variations, however, the effect of RMM has not yet been sufficiently examined in experiments and simulations.
RMM is applied to the design of electrical position servos, and is evaluated with simulations and experiments. The results of these simulations and/or experiments show that the electrical position servos designed by RMM can eliminate the undesirable influences of: (a) load variations; (b) torque disturbances; (c) non-linear friction; (d) dead zone in a power amplifier; and (e) uncertainty of a velocity sensor’s output signal; upon controlled variables.
It is also shown that electrical position servos can be robustly stabilized simultaneously by RMM controllers for plants with arbitrary bounded parameter variations.