Direct Torque Control of Sensorless Induction Machine Drives: A Two-Stage Kalman Filter Approach

Table 2

Kalman estimation arithmetic operation requirement for the TEKF structure.

	Number of multiplications; (, , , and )	Number of additions; (, , , and )
, , , , , , and	Function of system (25)	Function of system (11)
	()	()
	()	()
	()	()
	()	()
	()	()
	()	()
	()	()
	()	()
	()	()
	()	()
	()	()
	()	()
	()	()
	()	()
	()	()
	()	()
	()	()
	()	()
Total	688	626