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Wyszukujesz frazę "robot position correction" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Mobile robot transportation for multiple labware with hybrid pose correction in life science laboratories
Autorzy:
Ali, M. M.
Abdulla, A. A.
Stoll, N.
Thurow, K.
Powiązania:
https://bibliotekanauki.pl/articles/384665.pdf
Data publikacji:
2017
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
robot position correction
multiple labware transportation
mobile robot localization
motor encoder
localization error handler
Kinect V2
grasping operation
placing operation
multi-floor
Opis:
In automated working environments, mobile robots can be used for different purposes such as material handling, domestic services, and objects transportation. This work presents a transportation process for multiple labware with hybrid pose correction in life science laboratories using H20 mobile robots. Multiple labware and tube racks, which contain chemical and biological components, have to be transported safely between laboratories on different floors of life science environment. Therefore, an accurate approach for labware transportation is required. The H20 robot has dual arms each consisting of 6 revolute joints with 6-DOF. The problem statement of robot positioning error in front of the workstation is presented. The navigation strategy with its related systems is presented for multi-floor mobile robot transportation environment. A Stargazer module is used as a stable and low-cost mapping and localization sensor with artificial landmarks. An error management system to overcome incorrect stargazer reading problems is presented. Different strategies of pose correction for mobile robots are described. The H20 robot is equipped with sonar sensors and Kinect V2 to be used for labware manipulation and position correction. The Kinect sensor V2 with SURF algorithm (Speeded-Up Robust Features) is used to recognize and localize the target. The communication procedure between the transportation platforms is done using client-server models.
Źródło:
Journal of Automation Mobile Robotics and Intelligent Systems; 2017, 11, 4; 51-64
1897-8649
2080-2145
Pojawia się w:
Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A realization of an FPGA sub system for reducing odometric localization errors in wheeled mobile robots
Autorzy:
Kurian, J.
Saseendran, P.
Powiązania:
https://bibliotekanauki.pl/articles/384695.pdf
Data publikacji:
2009
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
FPGA
position estimation
robot localization
odometric correction
Opis:
This paper introduces a simple and efficient method and its implementation in an FPGA for reducing the odometric localization errors caused by over count readings of an optical encoder based odometric system in a mobile robot due to wheel-slippage and terrain irregularities. The detection and correction is based on redundant encoder measurements. The method suggested relies on the fact that the wheel slippage or terrain irregularities cause more count readings from the encoder than what corresponds to the actual distance travelled by the vehicle. The standard quadrature technique is used to obtain four counts in each encoder period. In this work a three-wheeled mobile robot vehicle with one driving-steering wheel and two-fixed rear wheels in-axis, fitted with incremental optical encoders is considered. The CORDIC algorithm has been used for the computation of sine and cosine terms in the update equations. The results presented demonstrate the effectiveness of the technique.
Źródło:
Journal of Automation Mobile Robotics and Intelligent Systems; 2009, 3, 3; 26-33
1897-8649
2080-2145
Pojawia się w:
Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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