Scalar control of an AC electrical motor is a way to achieve the variable speed operation by manipulating the supply voltage or current ("magnitude") and...

single-variable scalar control (volts-per-Hertz, V/f control). Technische Universität Darmstadt's K. Hasse and Siemens' F. Blaschke pioneered vector control of AC...

a scalar field is a function associating a single[dubious – discuss] number to each point in a region of space – possibly physical space. The scalar may...

implement the scalar or vector control of an induction motor. With scalar control, only the magnitude and frequency of the supply voltage are controlled without...

quantity expressed as the gradient of the electrostatic potential, which is a scalar quantity denoted by V or occasionally φ, equal to the electric potential...

{\displaystyle \sigma (\mathbf {x} )=0} . Roughly speaking (i.e., for the scalar control case when m = 1 {\displaystyle m=1} ), to achieve σ ⊺ σ ˙ < 0 {\displaystyle...

together and multiplied ("scaled") by numbers called scalars. The operations of vector addition and scalar multiplication must satisfy certain requirements...

inlet conditions and the physical boundaries can coincide with the scalar control volume boundaries. This makes it possible to introduce the boundary...

The scalar timing or scalar expectancy theory (SET) is a model of the processes that govern behavior controlled by time. The model posits an internal...

In mathematics, the dot product or scalar product is an algebraic operation that takes two equal-length sequences of numbers (usually coordinate vectors)...

and the scope. Control methods can be divided into: Scalar control V/f control Vector control Field oriented control Direct torque control, a variant of...

such cases variables are represented through vectors instead of simple scalar values. For some distributed parameter systems the vectors may be infinite-dimensional...

Direct torque control (DTC) is one method used in variable-frequency drives to control the torque (and thus finally the speed) of three-phase AC electric...

block label foreach var ( list ) block continue block In foreach, var is a scalar variable that defaults to $_ if omitted. For each element of list, var is...

motor being controlled by adjusting the DC current. Most drives use one or more of the following control platforms: Scalar control Vector control (VC) Field-oriented...

often called scalars (from scale) to distinguish them from vectors. The operation of multiplying a vector by a scalar is called scalar multiplication...

the substantive derivative of the scalar pressure. Since the pressure p in this computation is an arbitrary scalar field, we may abstract it and write...

simulators and control systems. In simple cases, this function can be represented as a two-dimensional graph of an independent scalar input versus the...

or a human brain) along with measured or computed data. The data may be scalar (such as the concentration of a chemical agent in the brain), vector or...

vector-controlled, respectively. In scalar-controlled drives, fundamental stator current, or voltage frequency and amplitude, are the only controllable quantities...

that refers to quantities that cannot be expressed by a single number (a scalar), or to elements of some vector spaces. Historically, vectors were introduced...

§ Generalizations below for more). A scalar field associates a scalar value to every point in a space. The scalar is a mathematical number representing...

supremum singular value of the matrix over that space. In the case of a scalar-valued function, the elements of the Hardy space that extend continuously...

organization can afford to maintain a control structure of a dimension being required for implementing a scalar chain under the unity of command condition...

word saturare, meaning 'to fill') Scalar (mathematics) . Scalar (physics) . Scalar multiplication In mathematics, scalar multiplication is one of the basic...

z ) {\displaystyle D(z)={\frac {k_{p}A(z)}{P(z)-k_{p}B(z)}}} Where the scalar term k p = P ( 1 ) / B ( 1 ) {\displaystyle k_{p}=P(1)/B(1)} ensures the...

surface, one may integrate over this surface a scalar field (that is, a function of position which returns a scalar as a value), or a vector field (that is,...

complexity with BLDC drives typically being with simple single-phase scalar-controlled voltage-regulated trapezoidal current waveform output involving surface...

physics theory. In the Standard Model, the Higgs particle is a massive scalar boson that couples to (interacts with) particles whose mass arises from...

instructions. Adds a new scalar memory mode that automatically performs a broadcast. Adds room for explicit rounding control in each instruction. Adds...