Buscar
Mostrando ítems 1-10 de 1405
Mitigating systematic errors for single frequency GPS receivers employing a penalized least squares methodology
(2006-12-27)
Among the positioning systems that compose GNSS (Global Navigation Satellite System), GPS has the capability of providing low, medium and high precision positioning data. However, GPS observables may be subject to many ...
Mitigating systematic errors for single frequency GPS receivers employing a penalized least squares methodology
(2006-12-27)
Among the positioning systems that compose GNSS (Global Navigation Satellite System), GPS has the capability of providing low, medium and high precision positioning data. However, GPS observables may be subject to many ...
Uncertainty analysis of a laser calibration system for evaluating the positioning accuracy of a numerically controlled axis of coordinate measuring machines and machine tools
(2008)
This paper presents an uncertainty analysis of a Positional Error Calibrator based on a laser interferometer system. This laser calibration system is capable of evaluating the positioning accuracy of a numerically controlled ...
Modelling end-of-roll dynamics in positioning servos
(PERGAMON-ELSEVIER SCIENCE LTD, 2004)
End-of-roll dynamics is a characteristic of pointing systems and positioning servos when change in movement direction occurs. Factors such as backlash and friction cannot be easily controlled nor predicted under these ...
Análise de desempenho de trajetória de AGV seguidor de linha usando controle Fuzzy adaptativo
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Ciência da Computação - PPGCCCâmpus São Carlos, 2017-08-17)
Dynamics of automatic vehicle movement (Automatic Guided Vehicle), its associated with your
control system, and the adoption of traditional control techniques, whose parameter and tuning are
performed based on linear ...
High performance position control of permanent magnet synchronous drives
(Institute of Electrical and Electronics Engineers Inc., 2018)
In the design and test of electric drive control systems, computer simulations provide a useful way to verify the correctness and efficiency of various schemes and control algorithms before the final system is actually ...
Design of a model for multi axis measuring machines to analyze error positioning in Gantry systems
There have been cases in which poor quality control has threaten a company’s survival. This has caused that clients keeps demanding for higher quality products, therefore Manufacturing systems need to analyze the product ...
Application of signal correction for sphenophorus levis control and higher quality production in mechanized harvesting of sugarcane ratoon
(2019-12-01)
Higher quality mechanized agricultural operations can be achieved with the use of the Global Navigation Satellite System (GNSS) signal positioning tools (correction signals), allowing a higher accuracy, which is extremely ...