zero vector

zero vector

[′zir·ō ‚vek·tər]
(mathematics)
The element 0 of a vector space such that, for any vector v in the space, the vector sum of 0 and v is v.
References in periodicals archive ?
If there is only a static gravitational field with zero vector potential, then [D.
The active vector and zero vector switching times are calculated using (1).
According to SVPWM algorithm desired voltage vector in a given sector can be synthesized with the two active vectors framing the sector plus a zero vector (or vectors).
3) there is a unique vector 0 in V , called the zero vector, such that a + 0 = a for all a in V;
Since the gradient of the function at the optimum point is a zero vector and close to the optimum point a vector with a small norm, the optimum of the function [n.
The last inequality is strict when the direction vector of the preference direction is not a zero vector, i.
Translating the centroid to the zero vector will simplify the study of it.
Finally, the optimization process is terminated when the search direction vector becomes a zero vector (0, 0, 0, 0).
Application-specific protection features include DC bus sensing with over-voltage protection and a zero vector braking function for PM motor drives.
Mode III--The inverter bridge is in any one of the traditional zero vectors (000 or 111) thus operating in one of the traditional zero vector mode.
From TM we obtain the projectivised tangent bundle of M, PTM, by identifying the non zero vectors differing from each other by a real factor.
DTC utilizes the eight possible stator voltage vectors, two of which are zero vectors, to control the stator flux and torque to follow the reference value within the hysteresis bands.