期刊
MACHINES
卷 10, 期 11, 页码 -出版社
MDPI
DOI: 10.3390/machines10111001
关键词
cyber-physical system; deep learning; robotics; real time; industrial operations
This paper presents an intelligent cyber-physical system framework that combines image processing and deep-learning techniques to improve production efficiency and ensure human safety in real-time operations. The framework utilizes a CNN-based object detection and control analysis approach, and employs real-time data exchange protocol for communication between the detected objects and the actuation system. The proposed framework is demonstrated in object detection-based pick-and-place operations, which are widely performed in quality control and industrial systems. The paper also discusses the importance of latency in communication and introduces a Bayesian approach for uncertainty quantification to design a reliable communication framework.
Automation in the industry can improve production efficiency and human safety when performing complex and hazardous tasks. This paper presented an intelligent cyber-physical system framework incorporating image processing and deep-learning techniques to facilitate real-time operations. A convolutional neural network (CNN) is one of the most widely used deep-learning techniques for image processing and object detection analysis. This paper used a variant of a CNN known as the faster R-CNN (R stands for the region proposals) for improved efficiency in object detection and real-time control analysis. The control action related to the detected object is exchanged with the actuation system within the cyber-physical system using a real-time data exchange (RTDE) protocol. We demonstrated the proposed intelligent CPS framework to perform object detection-based pick-and-place operations in real time as they are one of the most widely performed operations in quality control and industrial systems. The CPS consists of a camera system that is used for object detection, and the results are transmitted to a universal robot (UR5), which then picks the object and places it in the right location. Latency in communication is an important factor that can impact the quality of real-time operations. This paper discussed a Bayesian approach for uncertainty quantification of latency through the sampling-resampling approach, which can later be used to design a reliable communication framework for real-time operations.
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