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Published in 2018 at "Mechanism and Machine Theory"
DOI: 10.1016/j.mechmachtheory.2017.11.003
Abstract: Abstract Determination of the identifiable parameters plays an important role in kinematic calibration of robot manipulators. For the conventional serial robots, a consensus has been reached on this problem. However, for the parallel manipulators, there…
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Keywords:
parallel manipulators;
error models;
kinematic calibration;
complete minimal ... See more keywords
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Published in 2018 at "IEEE Access"
DOI: 10.1109/access.2018.2878976
Abstract: The kinematic accuracy improvement is a key challenge in the development of over-constrained parallel mechanisms (PMs). Taking a two degree-of-freedom (DoF) over-constrained PM applied in assembly line as an example, this paper addresses the kinematic…
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Keywords:
kinematic calibration;
accuracy;
kinematics;
dof constrained ... See more keywords
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Published in 2022 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2022.3191707
Abstract: The low absolute positioning accuracy of robots has limited their applications for many precision tasks. Although the robot accuracy can be improved through kinematic calibration, traditional calibration approaches need either expensive external measurement devices or…
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Keywords:
loop kinematic;
calibration;
kinematic calibration;
device ... See more keywords
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Published in 2023 at "IEEE Transactions on Instrumentation and Measurement"
DOI: 10.1109/tim.2022.3221149
Abstract: Parallel manipulator (PM) embraces more kinematic errors than serial mechanism. The substantial errors in PM usually demand more measurements, which leads to low efficiency and affects the accuracy of identification due to the ill-conditioning problem.…
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Keywords:
parallel manipulator;
calibration;
calibration dof;
kinematic calibration ... See more keywords
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Published in 2020 at "IEEE Transactions on Robotics"
DOI: 10.1109/tro.2020.2969028
Abstract: In current robot calibration approaches, the error propagation and identification of serial and parallel robots fail to be solved intuitively and generically, resulting in an inefficient calibration implementation and a low accuracy improvement. In this…
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Keywords:
calibration;
kinematic calibration;
parallel robots;
instantaneous screw ... See more keywords
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Published in 2022 at "Optics express"
DOI: 10.1364/oe.479597
Abstract: Accuracy is the most important index for the industrial applications of the Stewart platform, which can be guaranteed by the kinematic calibration method to improve the motion orbit performance of this platform. In order to…
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Keywords:
stereo vision;
calibration method;
calibration;
vision based ... See more keywords