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Placement accuracy in automated production equipment has been a problem since the first automated machine assembled a product on a manufacturing line at the beginning of the industrial revolution, and the demand for machine accuracy has steadily increased since. Adept Technology, Inc. has...
Persistent link: https://www.econbiz.de/10014831504
Discusses robot accuracy and repeatability and the mechanical and control aspects of robots that lead to errors occuring in static positioning and dynamic path following. Outlines the steps that should be taken to minimise errors and concludes that robot users should encourage manufacturers to...
Persistent link: https://www.econbiz.de/10014831507
dependent on a calibration process which is far from robust.  …
Persistent link: https://www.econbiz.de/10014831514
Presents the kinematic calibration of an H4 parallel prototype robot using a vision‐based measuring device. Calibration … calibration purpose. To do so, the end‐effector pose (i.e. position and orientation) has to be measured with the utmost accuracy …
Persistent link: https://www.econbiz.de/10014831696
Purpose – This paper aims to provide a simple and cheap calibration method to improve the odometry accuracy and to … odometry calibration method improves significantly odometry accuracy. Caster and omniwheel performance depends on the paths … drawback. Practical implications – Odometry calibration has become a simple procedure and can be easily implemented by robot …
Persistent link: https://www.econbiz.de/10014831943
calibration. Design/methodology/approach – The approach is based on the fact that camera calibration is a problem of parameter … limitations/implications – The models developed can be applied to optimize the layout of the calibration marks and design multiple …‐stage calibration algorithm. The rationale can also find applications in image registration and robot calibration. Originality/value – A …
Persistent link: https://www.econbiz.de/10014831966
)/computer‐aided manufacturing (CAM) software suite, such as computer‐aided 3D interactive application (CATIA). While calibration techniques for … proposes a simple calibration method that relies on the use of a laser tracker and requires no programming at all. Instead, the … procedure for the calibration of a hexapod is outlined. Finally, experimental results are presented and discussed.  …
Persistent link: https://www.econbiz.de/10014832013
calibration is an efficient way to improve the accuracy. Previous methods such as using coordinate measurement machines, laser … approach and calibration equipment to address these issues. Design/methodology/approach – The proposed method relies mainly … workcell. The automated calibration procedure (about three minutes) involves aiming the laser lines loaded by the robot towards …
Persistent link: https://www.econbiz.de/10014832116
Purpose – The purpose of this paper is to propose a screw axis identification (SAI) method based on the product of exponentials (POE) model, which is concerned with calibrating a serial robot with m joints equipped with a stereo‐camera vision system. Design/methodology/approach – Different...
Persistent link: https://www.econbiz.de/10014832133
Purpose – The purpose of this paper is to propose a calibration method that can calibrate the relationships among the … tests using actual data confirm the effectiveness of the proposed calibration method and illustrate its ability to work even … when the eye cannot see the hand. Originality/value – Only a laser pointer is required for this calibration method and this …
Persistent link: https://www.econbiz.de/10014832139