Inspec keywords: control system synthesis; closed loop systems; delays; feedback; continuous time systems; proportional control; robust control; observers

Other keywords: stability; internal model; proportional control; disturbance observer; motor control system; model-based compensator; positive feedback loop; robustness analysis; closed-loop system; time-delay systems; continuous time repetitive control design; repetitive controller

Subjects: Control system analysis and synthesis methods; Distributed parameter control systems; Simulation, modelling and identification; Stability in control theory