2022
DOI: 10.1088/1361-6501/ac7a07
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Fault diagnosis of industrial robot gearbox using joint interclass and intraclass mappings

Abstract: Due to complex structure and harsh operating condition, it remains challenging to accurately diagnose industrial robot gearbox fault patterns. For this reason, a joint interclass and intraclass mappings (JIIM) strategy is presented in this paper to enhance the performance of the industrial robot gearbox fault diagnosis. To this end, an echo state network (ESN) is first adopted to map the training data into their class centers for minimizing the interclass distance. Meanwhile, the maximization of interclass dis… Show more

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Cited by 3 publications
(4 citation statements)
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“…On this basis, it needs to compute the (13). Finally, the two-dimensional approximate entropy AE2d is calculated as shown in formula (14).…”
Section: Gearbox Fault Vibration Signal Decomposition Based On Resona...mentioning
confidence: 99%
See 1 more Smart Citation
“…On this basis, it needs to compute the (13). Finally, the two-dimensional approximate entropy AE2d is calculated as shown in formula (14).…”
Section: Gearbox Fault Vibration Signal Decomposition Based On Resona...mentioning
confidence: 99%
“…On the other hand, data-driven intelligent diagnosis technology 13 is a new developed subject in recent years. Its advantage is that it integrates the expert experience in many fields, improves the diagnostic accuracy 14 which possesses the engineering advantage. 12 In recent years, artificial intelligence diagnosis technology 15,16 has developed vigorously, such as support vector machine 7,15 and deep learning.…”
Section: Introductionmentioning
confidence: 99%
“…Because planetary gearboxes benefit from a high transmission ratio, a great load capacity, and a small structure. Gearboxes are vulnerable to fault due to the demanding working conditions of industrial robots, which include load variation, dust abrasion, and chemical corrosion [2,3]. Industrial robot malfunctions can halt production and result in financial losses * Author to whom any correspondence should be addressed.…”
Section: Introductionmentioning
confidence: 99%
“…Due to the high loads, stresses and wear, gearboxes are susceptible to failure, resulting in reduced performance, reduced efficiency, increased maintenance costs and potential risks to personnel safety [1,2]. Accurate and efficient diagnosis of gearbox faults is therefore essential [3][4][5].…”
Section: Introductionmentioning
confidence: 99%