... study and the control of a nonsinusoidal brushless dc motor, ” in Proc. IEEE-IECON Annu. Meeting,Orlando, FL, Nov. 6-10, 1995, vol. 2, pp. 836–843. [8] Y. Liu, Z. Q. Zhu, and D. Howe, Direct torque ... DTC of a BLDC motor drive using four-switch inverter with faster torque response due to the fact that the voltage space vectors are directly controlled. Therefore, the direct torque controlled ... ijsĮ and ijsȕ are the Į– and ȕ–axis stator flux linkages, respectively. By using (2), reference stator flux linkage command |ijs(șe)|* for DTC of BLDC motor drive in the constant torque...