Temat: sensor integration - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Spatial compliance measurement of a clamping table with integrated force sensors
Autorzy:: Friedrich, Christian
Ihlenfeldt, Steffen
Powiązania:: https://bibliotekanauki.pl/articles/2052192.pdf
Data publikacji:: 2022
Wydawca:: Wrocławska Rada Federacji Stowarzyszeń Naukowo-Technicznych
Tematy:: machine tool
parallel kinematics
force measurement
sensor integration
Opis:: Force sensor integration into machine components is a promising approach to measure spatial process forces, especially, when regarding hexapod structures and kinematics. Rigid still-standing hexapod frameworks, such as clamping tables, are particular suitable for this approach, as no dynamic influences need to be taken into account within the measurement model and they allow a measurement in 6 degrees of freedom. On the other hand, the stiffness of rigid frameworks is reduced by force sensor integration significantly. In addition, many approaches apply joints or flexure hinges to reduced lateral forces and improve the measuring quality, which reduce the stiffness even more. In this contribution, the compliance of a clamping table with integrated force sensors and flexure hinges is determined by experimental measurements using a multiline laser interferometer, by analytic calculation, and by finite element simulation. In conclusion, the amount of stiffness reduction by force sensors and flexure hinges is quantified and different methods for compliance determination are compared.
Źródło:: Journal of Machine Engineering; 2022, 22, 1; 70-83
1895-7595
2391-8071
Pojawia się w:: Journal of Machine Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Presenting a technique for registering images and range data using a topological representation of a path within an environment
Autorzy:: Ferreira, F.
Davim, L.
Rocha, R.
Dias, J.
Santos, V.
Powiązania:: https://bibliotekanauki.pl/articles/385035.pdf
Data publikacji:: 2007
Wydawca:: Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:: sensor feature integration
binary data
Bernoulli mixture model
dimensionality reduction
robot localisation
change detection
Opis:: This article presents a novel method to the utilize topological representation of a path, thatpath that is created from sequences of images from digital cameras and sensor data from range sensors. A topological representation of the environment is created by leading the robot around the environment during a familiarisation phaseLeading the robot around the environment during a familiarisation phase creates a topological representation of the environment. While moving down the same path, the robot is able to localise itself within the topological representation that is has been previously created. The principal contribution to the state of the art is that, by using a topological representation of the environment, individual 3D data sets acquired from a set of range sensors need not be registered in a single, [Global] Coordinate Reference System. Instead, 3D point clouds for small sections of the environment are indexed to a sequence of multi-sensor views, of images and range data. Such a registration procedure can be useful in the construction of 3D representations of large environments and in the detection of changes that might occur within these environments.
Źródło:: Journal of Automation Mobile Robotics and Intelligent Systems; 2007, 1, 3; 47-56
1897-8649
2080-2145
Pojawia się w:: Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Stochastic modelling and analysis of IMU sensor errors
Autorzy:: Zhao, Y.
Horemuz, M.
Sjöberg, L. E.
Powiązania:: https://bibliotekanauki.pl/articles/130312.pdf
Data publikacji:: 2011
Wydawca:: Stowarzyszenie Geodetów Polskich
Tematy:: IMU
integration
accuracy
navigation
sensor
random
integracja
dokładność
nawigacja
czujnik
Opis:: The performance of a GPS/INS integration system is greatly determined by the ability of stand-alone INS system to determine position and attitude within GPS outage. The positional and attitude precision degrades rapidly during GPS outage due to INS sensor errors. With advantages of low price and volume, the Micro Electrical Mechanical Sensors (MEMS) have been wildly used in GPS/INS integration. Moreover, standalone MEMS can keep a reasonable positional precision only a few seconds due to systematic and random sensor errors. General stochastic error sources existing in inertial sensors can be modelled as (IEEE STD 647, 2006) Quantization Noise, Random Walk, Bias Instability, Rate Random Walk and Rate Ramp. Here we apply different methods to analyze the stochastic sensor errors, i.e. autoregressive modelling, Gauss-Markov process, Power Spectral Density and Allan Variance. Then the tests on a MEMS based inertial measurement unit were carried out with these methods. The results show that different methods give similar estimates of stochastic error model parameters. These values can be used further in the Kalman filter for better navigation accuracy and in the Doppler frequency estimate for faster acquisition after GPS signal outage.
Źródło:: Archiwum Fotogrametrii, Kartografii i Teledetekcji; 2011, 22; 437-449
2083-2214
2391-9477
Pojawia się w:: Archiwum Fotogrametrii, Kartografii i Teledetekcji
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Czujniki – kluczem do wspomagania rozwoju psychoruchowego dzieci
Sensors – key to supporting children’s psychomotor development
Autorzy:: Malara, M.
Raczyńska, A.
Chuchnowska, I.
Powiązania:: https://bibliotekanauki.pl/articles/99186.pdf
Data publikacji:: 2014
Wydawca:: Politechnika Śląska. Katedra Biomechatroniki
Tematy:: czujnik
motoryka precyzyjna
integracja sensoryczna
siła nacisku
sensor
motility precise
sensory integration
pressure force
Opis:: W pracy przedstawiono zagadnienia dotyczące zaburzeń i metod wspomagania rozwoju psychoruchowego, z wykorzystaniem podzespołów elektronicznych. W związku z brakiem urządzeń dostosowanych do potrzeb oraz ograniczeń dzieci niepełnosprawnych, dokonano przeglądu dostępnych czujników. Zweryfikowano je pod kątem zastosowania w urządzeniach projektowanych z myślą o dzieciach z zaburzeniami motoryki precyzyjnej. Przeprowadzono badania precyzji i siły nacisku z udziałem dzieci niepełnosprawnych i zdrowych.
The article presents issues concerning the disorder and methods of supporting psychomotor development, the use of electronic components. In the absence of facilities tailored to the needs and limitations of children with disabilities, was done a review of available sensors. Verified them for use in devices design for children a disorder motility precise. Study was carried out precision and pressure force involving disabled and healthy children.
Źródło:: Aktualne Problemy Biomechaniki; 2014, 8; 103-108
1898-763X
Pojawia się w:: Aktualne Problemy Biomechaniki
Dostawca treści:: Biblioteka Nauki

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