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...
5 KB (651 words) - 22:46, 28 November 2023
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...
23 KB (2,639 words) - 13:02, 19 February 2025
inlet conditions and the physical boundaries can coincide with the scalar control volume boundaries. This makes it possible to introduce the boundary...
5 KB (561 words) - 14:03, 19 July 2025
Induction motor (section Speed control)
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...
56 KB (5,512 words) - 19:42, 17 June 2025
{\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...
52 KB (8,258 words) - 21:43, 16 June 2025
Dot product (redirect from Scalar product)
In mathematics, the dot product or scalar product is an algebraic operation that takes two equal-length sequences of numbers (usually coordinate vectors)...
28 KB (4,426 words) - 07:56, 22 June 2025
Synchronous motor (section Control techniques)
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...
34 KB (4,159 words) - 14:41, 12 June 2025
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...
16 KB (1,883 words) - 19:39, 15 November 2024
Closed-loop controller (redirect from Closed-loop control)
such cases variables are represented through vectors instead of simple scalar values. For some distributed parameter systems the vectors may be infinite-dimensional...
10 KB (1,848 words) - 02:04, 26 May 2025
Variable-frequency drive (category Electric motor control)
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...
66 KB (6,901 words) - 13:51, 24 June 2025
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...
6 KB (943 words) - 20:32, 4 October 2023
vector-controlled, respectively. In scalar-controlled drives, fundamental stator current, or voltage frequency and amplitude, are the only controllable quantities...
62 KB (8,063 words) - 21:11, 24 May 2025
IBM OpenDX (section Visualization of a scalar field)
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...
8 KB (812 words) - 20:32, 21 January 2025
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...
7 KB (946 words) - 17:54, 31 October 2024
Vector calculus (section Scalar fields)
§ Generalizations below for more). A scalar field associates a scalar value to every point in a space. The scalar is a mathematical number representing...
22 KB (2,135 words) - 04:00, 8 April 2025
word saturare, meaning 'to fill') Scalar (mathematics) . Scalar (physics) . Scalar multiplication In mathematics, scalar multiplication is one of the basic...
251 KB (31,179 words) - 13:16, 14 July 2025
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...
10 KB (2,684 words) - 04:26, 1 June 2025
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...
9 KB (1,097 words) - 20:49, 2 July 2024
physics theory. In the Standard Model, the Higgs particle is a massive scalar boson that couples to (interacts with) particles whose mass arises from...
247 KB (27,027 words) - 09:58, 19 July 2025
Euclidean vector (section Scalar multiplication)
often called scalars (from scale) to distinguish them from vectors. The operation of multiplying a vector by a scalar is called scalar multiplication...
61 KB (9,116 words) - 12:01, 7 May 2025
different objects such as vectors, scalars, and even other tensors. There are many types of tensors, including scalars and vectors (which are the simplest...
69 KB (9,437 words) - 13:06, 15 July 2025
instructions. Adds a new scalar memory mode that automatically performs a broadcast. Adds room for explicit rounding control in each instruction. Adds...
85 KB (4,667 words) - 21:58, 16 July 2025
Transfer function (section Control engineering)
simulators and control systems. In simple cases, this function can be represented as a two-dimensional graph of an independent scalar input versus the...
15 KB (2,498 words) - 06:36, 5 May 2025
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...
11 KB (1,444 words) - 12:36, 26 November 2024
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...
7 KB (976 words) - 03:17, 24 July 2024
Quaternion (redirect from Scalar quaternion)
nonzero, non-scalar quaternions, or positive scalar quaternions, have exactly two roots, while 0 has exactly one root (0), and negative scalar quaternions...
98 KB (12,766 words) - 02:43, 19 July 2025
such cases variables are represented through vectors instead of simple scalar values. For some distributed parameter systems the vectors may be infinite-dimensional...
11 KB (1,801 words) - 03:18, 31 July 2024
Central processing unit (redirect from Master control processor)
scalar device. As the name implies, vector processors deal with multiple pieces of data in the context of one instruction. This contrasts with scalar...
101 KB (11,434 words) - 05:49, 18 July 2025
Electric motor (section Control)
complexity with BLDC drives typically being with simple single-phase scalar-controlled voltage-regulated trapezoidal current waveform output involving surface...
119 KB (13,093 words) - 02:07, 23 June 2025
Operational transformation (category Concurrency control)
OT was originally invented for consistency maintenance and concurrency control in collaborative editing of plain text documents. Its capabilities have...
46 KB (5,377 words) - 21:11, 15 July 2025