DSP-based robust control of an AC induction servo drive for motion control

Ying-Yu Tzou
1996 IEEE Transactions on Control Systems Technology  
NOMENCLATURE Subscripts denoting motor three phase axes. Subscripts denoting d-q axes rotating synchronously with the rotor flux. Subscripts denoting stator-fixed (stationary) axes. Subscripts denoting stator and rotor, respectively. Superscript denoting reference or command. Number of poles. Current, voltage, and flux linkage. Stator, rotor inductance per phase and mutual inductance. Total leakage factor (1 -Lf,L/LsL7.). Stator and rotor resistance per phase. Rotor time constant (LT/R7.).
more » ... alent resistance ( R , + ,Ls/r,.). Equivalent shaft inertia and viscous friction. Rotor electrical, rotor flux, and rotor shaft angle. Rotor electrical, rotor flux, and rotor shaft angular velocity. Equivalent torque constant: ( P / 2 ) ( L,q/L,m,) Equivalent back emf constant: ( P / 2 ) ( L m / L , , ) Electrical developed torque and torque disturbance. Equivalent current control gain. 7 , r i . r e Equivalent mechanical and electrical time conrtant.
doi:10.1109/87.541691 fatcat:wa5kdsin3bfk3iuixsx3f5f7s4