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function xfirst(a) global DAE if ~a.n, return, end DAE.x(a.alpha) = 0; DAE.x(a.Pm) = 0; idx = find(~a.con(:,7)); if ~isempty(idx) warn(a,idx,'Measurement time constant Tm cannot be 0. Tm = 1e-3 w

function xfirst(a) global DAE if ~a.n, return, end DAE.x(a.alpha) = 0; DAE.x(a.Pm) = 0; idx = find(~a.con(:,7)); if ~isempty(idx) warn(a,idx,'Measurement time constant Tm cannot be 0. Tm = 1e-3 w

Description Sensorless control of a 3 phase BLDC (Brushless DC) motor using a trapezoidal commutation scheme with BEMF (Back-EMF) measurement obtained via a simple resistor divider. Closed loop curre

Sensorless FOC (Field Oriented Control) for a 3 phase PMSM (Permanent magnet synchronous motor) using a "low cost" current measurement method for closed loop torque control. Position estimation is imp

Description Sensored position and speed control for a BDC motor (Brushed DC Motor). Position measurement is implemented using a QEP (Quadrature Encoder) shaft sensor. The H-bridge converter is used t

Description Sensored position control based FOC (Field Oriented Control) for a 3 phase PMSM motor (Permanent Magnet Synchronous Motor). Position measurement is implemented using a QEP (Quadrature Enc

Description Sensored FOC (Field Oriented Control) for a 3 phase PMSM (Permanent Magnet Synchronous Motor) using a "low cost" current measurement method for closed loop torque control. Position measur

Variable speed controlled 3 phase AC induction motor using a Volts / Hz control scheme together with a Space vector PWM modulation technique. "Tacho" based shaft speed measurement implemented using on

Sensored FOC (Field Oriented Control) for a 3 phase PMSM (Permanent Magnet Synchronous Motor) using a "low cost" current measurement method for closed loop torque control. Position measurement is impl

function z= add_observation_noise(z,R, addnoise) %function z= add_observation_noise(z,R, addnoise) % % Add random measurement noise. We assume R is diagonal. if addnoise == 1 len= size(