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PERFORMANCE PARAMETER [14 fiches]

Fiche 1 2025-02-04

Anglais

Subject field(s)
  • Mathematics
  • Applications of Automation
  • Physics
  • Collaboration with WIPO
CONT

[The researchers] propose a Lyapunov theory based linguistic reinforcement learning(RL) framework for stable tracking control of robotic manipulators. … Controlling robot manipulators is an extremely challenging and complex control problem due to their highly nonlinear and coupled dynamics. Flawless modeling of robotic manipulators is an equally daunting task; forcing the designer to make idealizing assumptions with consequent modeling errors. This has prompted designers to go for model free approaches. RL has emerged as an alternative technique to design high performance controllers for robot manipulators. [The] Lyapunov theory offers a powerful platform for designing controllers that are guaranteed to be stable and can handle model uncertainties and parameter variations.

OBS

Lyapunov stability theory; Lyapunov theory: designations validated by a Canadian subject-matter expert from Université Laval.

Terme(s)-clé(s)
  • SearchOnlyKey1

Français

Domaine(s)
  • Mathématiques
  • Automatisation et applications
  • Physique
  • Collaboration avec l'OMPI
CONT

La théorie de Lyapunov est un outil important en automatique, permettant de conclure sur la stabilité d'un point d'équilibre du système. Elle repose sur l'existence de fonctions, vérifiant certains critères, et qui représentent d'une certaine manière l'énergie du système.

OBS

théorie de stabilité de Lyapunov; théorie de Lyapunov; théorie de la stabilité de Lyapunov : désignations validées par un spécialiste canadien de l'Université Laval.

Espagnol

Campo(s) temático(s)
  • Matemáticas
  • Automatización y aplicaciones
  • Física
  • Colaboración con la OMPI
CONT

La teoría de estabilidad de Lyapunov tiene como principal objetivo estudiar el comportamiento de sistemas dinámicos (lineales y no lineales) descritos por ecuaciones diferenciales ordinarias de primer orden [...] a través del análisis de las propiedades de estabilidad del punto de equilibrio […]

OBS

Liapunov: transliteración en español del apellido ruso.

OBS

teoría de estabilidad de Liapunov; teoría de Liapunov: designaciones validadas por un experto de la Comisión de Terminología, Sociedad Española de Astronomía, España.

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Fiche 2 2020-11-09

Anglais

Subject field(s)
  • Nuclear Power Stations
  • Nuclear Plant Safety
DEF

A set of rules setting forth parameter limits and the functional capability and performance levels of equipment and personnel for [the] safe operation of a nuclear facility.

Français

Domaine(s)
  • Centrales nucléaires
  • Sûreté des centrales nucléaires
DEF

Ensemble de règles établissant les limites des paramètres et la capacité fonctionnelle des niveaux de performance de l'équipement et du personnel, pour l'exploitation sécuritaire d'une installation nucléaire.

Espagnol

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Fiche 3 2014-09-30

Anglais

Subject field(s)
  • Aircraft Propulsion Systems
CONT

For an airplane, it is a takeoff power less than the takeoff(or derated takeoff) power. The airplane takeoff performance and power setting are established by approved simple methods, such as adjustments, or by corrections to the takeoff or derated takeoff power setting and performance. When operating with a reduced takeoff power, the power setting parameter which establishes power for takeoff is not considered a takeoff operating limit.

Terme(s)-clé(s)
  • reduced take-off power

Français

Domaine(s)
  • Propulsion des aéronefs

Espagnol

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Fiche 4 2014-09-30

Anglais

Subject field(s)
  • Aircraft Propulsion Systems
CONT

For an airplane, it is a takeoff power level less than the maximum takeoff power, for which exists in the AFM [Airplane Flight Manual] a set of separate and independent, or clearly distinguishable, takeoff limitations and performance data that complies with all the takeoff requirements... When operating with a derated takeoff power, the value of the power setting parameter which establishes power for takeoff is presented in the AFM and is considered a normal takeoff operating limit.

Terme(s)-clé(s)
  • derated take-off power

Français

Domaine(s)
  • Propulsion des aéronefs

Espagnol

Conserver la fiche 4

Fiche 5 - données d’organisme externe 2009-08-04

Anglais

Subject field(s)
  • Compartment - ISO/IEC JTC 1 Information Technology Vocabulary
Universal entry(ies)
01.02.46 (19762)
numéro d'article de norme ISO/CEI
DEF

external parameter that can have a bearing or impact upon system performance

OBS

Temperature, pressure, humidity and noise are examples of environmental parameters.

OBS

environmental parameter: term and definition standardized by ISO/IEC [ISO/IEC 19762-1:2008].

Français

Espagnol

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Fiche 6 2002-11-05

Anglais

Subject field(s)
  • Electronic Circuits Technology
CONT

Apart from noise performance, there are other requirements regarding the read-out circuit which should be considered before a decision is made between the two possible configurations. These are : the linearity of the transfer characteristic, insensitivity against possible parameter variations of the integrated and micromachined electrical components, simplicity and ease of interfacing with the feedback electronics(which should not be complicated since the sensor electronics is planned to be integrated on the same chip as the resonator).

Terme(s)-clé(s)
  • read out circuit

Français

Domaine(s)
  • Technologie des circuits électroniques

Espagnol

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Fiche 7 2002-09-16

Anglais

Subject field(s)
  • Telecommunications Transmission
DEF

In data transmission systems employing error control, a performance evaluation parameter given by the ratio of the number of blocks that have been received without error in a given time period times 100 to the total number of blocks received in the same time period, and expressed as a percentage.

Français

Domaine(s)
  • Transmission (Télécommunications)

Espagnol

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Fiche 8 2000-06-29

Anglais

Subject field(s)
  • Telecommunications Transmission
CONT

Therefore, Annex D defines preliminary guidelines for estimating 64 kbit/s error performance parameter information from measurements made at the primary and higher bit rates.

CONT

WWG PF-30 Bit Error Analyzer. The WWG PF-30 will evaluate all error performance paramaters in accordance with ITU-T [International Telecommunication Union] recommendation G.821.This describes a method of error analysis based on all-digital hypothetical reference connection (HRX) of length 27,500 km.

Français

Domaine(s)
  • Transmission (Télécommunications)

Espagnol

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Fiche 9 1998-11-24

Anglais

Subject field(s)
  • Artificial Intelligence
CONT

The feedback policy calculator in the TLP performs the functions of the performance evaluation element and system parameter transform.... The switch is used to place the system in either the operate or training mode.

Français

Domaine(s)
  • Intelligence artificielle
OBS

Voir évaluateur et rétroaction.

Espagnol

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Fiche 10 1994-06-01

Anglais

Subject field(s)
  • Artificial Intelligence
  • Continuing Education
DEF

A cognitive device in learning and diagnosis (ODYSSEUS).

CONT

The selection of a particular strategy is based on the information provided ... by the performance evaluator which gives a historical view concerning how well the student has mastered the relevant concepts.

CONT

The elements are the forward transfer element(FIE), the performance evaluation element or critic(PEEL) the system parameter transformation element, and the input and output functions.... The nature of the performance evaluation(PEEL) determines the character of the system as it contains the goal orientation of the system... The PEEL is then said to contain the goals and constraints of the system's operation and it maps the input and output functions into a set of measures Z, which indicate the performance of the system.

OBS

The PEEL or critic is often called the teacher as its function is to provide an input to the system that tells it whether its behaviour is proper or not.

Français

Domaine(s)
  • Intelligence artificielle
  • Éducation permanente
OBS

Voir "pédagogue".

Espagnol

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Fiche 11 1991-04-05

Anglais

Subject field(s)
  • Television (Radioelectricity)
OBS

of a TV image in relation to any single performance parameter.

Français

Domaine(s)
  • Télévision (Radioélectricité)

Espagnol

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Fiche 12 1989-07-23

Anglais

Subject field(s)
  • Artificial Intelligence
  • Software
CONT

The system parameter transform element(SPTE)(of a self-organizing system) transforms the performance measure Z into a system state such that the system behaviour tends to fall into a range where the performance improves.

Français

Domaine(s)
  • Intelligence artificielle
  • Logiciels
OBS

Voir aussi transformée de Fournier, etc.

Espagnol

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Fiche 13 1987-07-31

Anglais

Subject field(s)
  • Radio Transmission and Reception
  • Satellite Telecommunications
DEF

An antenna performance parameter equaling the antenna gain G divided by the antenna noise temperature T, measured at the antenna terminals. It can be expressed as a ratio, M=G/T.

OBS

For satellite earth stations receiving systems, a figure of merit that equals G/T, where G is the gain in decibels of the earth station antenna at the receiving frequency and T is the equivalent noise temperature in kelvins of the receiving system.

Français

Domaine(s)
  • Émission et réception radio
  • Télécommunications par satellite
DEF

Quotient du gain G d'une antenne par sa température de bruit T.

Espagnol

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Fiche 14 1986-05-05

Anglais

Subject field(s)
  • Scientific Measurements and Analyses
  • Electric Rotary Machines
CONT

For array power performance(i. e., partially correlated WECS sites spread over a region such as utility service area), one additional parameter, the average spatial cross correlation, is sufficient to model the necessary array statistics.

Français

Domaine(s)
  • Mesures et analyse (Sciences)
  • Machines tournantes électriques

Espagnol

Conserver la fiche 14

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