Energy consumption modeling based on operation mechanisms of industrial robotsShow others and affiliations
2025 (English)In: Robotics and Computer-Integrated Manufacturing, ISSN 0736-5845, E-ISSN 1879-2537, Vol. 94, article id 102971Article in journal (Refereed) Published
Abstract [en]
Industrial robots are widely used in manufacturing industries due to their high efficiency, flexibility, and ability to respond to diverse needs. However, the large-scale deployment of industrial robots has resulted in a significant increase in energy consumption. Therefore, it is crucial to develop an accurate modeling method for predicting the energy consumption of robotic systems, in order to optimize energy usage and achieve green and sustainable development of the manufacturing industry. Based on the analysis of temporal causal relationships between motion variables and the power of industrial robots, as well as spatial dependence between trajectory points, this study proposes a spatial-based torque prediction network and a temporal- spatial-based energy consumption prediction network by combining layer normalization with bidirectional long short-term memory neural network. This model achieves high-precision predictions of robot motion under variable motion modes, time scaling functions, and load conditions. Experimental results with KUKA KR210 and KR60 robots demonstrate that the model achieves the prediction accuracy of 99.01% for joint torque, 96.61% for total power, and 98.72% for total energy consumption under varying conditions.
Place, publisher, year, edition, pages
Elsevier BV , 2025. Vol. 94, article id 102971
Keywords [en]
Industrial robots, Data-driven modeling, Energy consumption, Temporal causal relationship, Spatial dependence
National Category
Robotics and automation
Identifiers
URN: urn:nbn:se:kth:diva-360055DOI: 10.1016/j.rcim.2025.102971ISI: 001412524100001Scopus ID: 2-s2.0-85215969711OAI: oai:DiVA.org:kth-360055DiVA, id: diva2:1938127
Note
QC 20250217
2025-02-172025-02-172025-02-17Bibliographically approved