期刊
COGNITIVE COMPUTATION AND SYSTEMS
卷 -, 期 -, 页码 -出版社
WILEY
DOI: 10.1049/ccs2.12097
关键词
industrial robots; intelligent robots; planning (artificial intelligence)
This paper proposes a novel Cauchy DMP framework which improves the efficiency and reduces the error rate in the application of DMP in the 3C industry.
Although Dynamic Movement Primitives (DMP) is an effective tool for robotic arm trajectory generalisation, the application of DMP in the 3C (Computer, Communication, Consumer Electronics) industry still faces challenges such as low precision and high-time consumption. To address this problem, we propose a novel Cauchy DMP framework. The main improvements and advantages of Cauchy DMP, compared to the original DMP, are (1) since the Cauchy distribution has a simpler model and wider shape, using the Cauchy distribution instead of the Gaussian distribution in the original DMP reduces the complexity of the algorithm and saves time. (2) Singular Value Decomposition (SVD) can effectively model the error. To reduce the interference of the rounding and human error on the trajectory, SVD can be used to obtain the weight of each basis function. The proposed Cauchy DMP framework combines the above two points and is validated on a real UR5 robotic arm. The results show that Cauchy DMP retains the learnability of the original DMP and has the advantages of short time consumption and low error rate.
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