In the space field, there are many types of cabin parts table and uneven distribution. Manual tapping is usually used. The processing process is complicated, and it needs to be constantly turned to find the right, wit...
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ISBN:
(纸本)9798350313734
In the space field, there are many types of cabin parts table and uneven distribution. Manual tapping is usually used. The processing process is complicated, and it needs to be constantly turned to find the right, with high labor cost and low processing efficiency. In the space field, there are many types of cabin parts table and uneven distribution. Manual tapping is usually used. The processing process is complicated, and it needs to be constantly turned to find the right, with high labor cost and low processing efficiency. To solve the above problems, industrial robots equipped with tapping modules, visual modules and laser pose modulators are proposed to realize intelligent tapping operations on the surface of the cabin body. Firstly, the machine vision algorithm is used to identify the characteristics of the reference hole and locate the hole center with high precision, and the rotary table is guided to realize the cabin body Angle alignment. Then, the laser attitude adjustment algorithm is used to realize the automatic measurement of the normal direction of the cabin surface, and the algorithm is used to realize the automatic adjustment of the robot's end attitude, so as to ensure that the machining tool taps along the axis direction of the hole to be processed. Then, the robot automatically taps each row of holes according to the off-line programming trajectory until the tapping of all holes is completed. The test results show that both the aperture and perpendicularity meet the technological requirements. Therefore, the system studied in this paper can meet the actual production requirements. To solve the above problems, industrial robots equipped with tapping modules, visual modules and laser pose modulators are proposed to realize intelligent tapping operations on the surface of the cabin body. Firstly, the machine vision algorithm is used to identify the characteristics of the reference hole and locate the hole center with high precision, and the rotary t
Collision avoidance in complex or dynamic environments has been under the light for quite some time in robotic research. This article presents the study of Rapidly Exploring Random Tree (RRT) and its variation in an e...
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To adapt to different application scenarios, the structure and execution components of pipeline robots need to be customized according to specific projects. Custom design requires a lot of time and manpower. Therefore...
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Intelligent transportation systems use GNSS receivers as basic technological components. In urban applications one faces the problem of GNSS multipath and particularly of non-line-of-sight (NLOS) satellites. The devel...
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ISBN:
(纸本)9798350399462
Intelligent transportation systems use GNSS receivers as basic technological components. In urban applications one faces the problem of GNSS multipath and particularly of non-line-of-sight (NLOS) satellites. The development of GNSS receiver technologies for mass market encompasses the capability NLOS satellites processing by innovative techniques, not only based on the signal to Noise Ratio, but also on vision or city model. This is particularly needed for urban positioning of cars for applications which require high accuracy and integrity, typically driving automation. This article deals with the detection of NLOS satellites among those tracked by an automotive-range receiver. We aim at developing a method jointly based on the analysis of video stream and a 3D map model of the environment. The article provides a literature review, an evaluation of some existing techniques and a preliminary analysis of the implementation of the retained algorithm on a prototype developed in the frame of a European H2020 "Fundamental Elements call" project.
In order to accurately obtain the distance information of the target, a target detection and distance measurement method based on an improved YOLOv5s model and binocular stereo vision fusion is proposed. First, the at...
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In the real world, data tends to follow long-Tailed distributions w.r.t. class or attribution, motivating the challenging Long-Tailed Recognition (LTR) problem. In this paper, we revisit recent LTR methods with promis...
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Self-supervised representation learning approaches have grown in popularity due to the ability to train models on large amounts of unlabeled data and have demonstrated success in diverse fields such as natural languag...
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For the development of muscle-machine interfaces (MuMIs), researchers have relied mainly on Electromyography (EMG) signals. However, these signals require complex hardware systems, as well as specialized signal proces...
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ISBN:
(数字)9781665479271
ISBN:
(纸本)9781665479271
For the development of muscle-machine interfaces (MuMIs), researchers have relied mainly on Electromyography (EMG) signals. However, these signals require complex hardware systems, as well as specialized signalprocessing and feature extraction methods. To overcome these issues, in our previous work, we proposed a novel MuMI for decoding human intention and motion, called Lightmyography (LMG). To improve the performance of this interface even further, in this work, we employ two novel deep learning techniques called Temporal Multi-Channel Transformer (TMC-T) and Temporal Multi-Channel vision Transformer (TMC-ViT) for the classification of hand gestures based on the LMG data. The performance of these two Transformer-based methods is evaluated and compared with other well-known deep learning and classical machine learning methods. This work also addresses the influence of varying parameters defined during the training phase of decoding models, such as the size and shape of the input data packet. A series of data augmentation techniques were also employed to generate synthetic data and increase the dataset size so as to train deep learning models more efficiently.
Visual prostheses are potential devices to restore vision for blind people, which highly depends on the quality of stimulation patterns of the implanted electrode array. However, existing processing frameworks priorit...
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This paper presents a system for efficiently depalletising textureless and versatile cardboard boxes, even when they are tightly packed together, by utilizing deep learning and point clouds. The system uses an industr...
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ISBN:
(纸本)9798350311075
This paper presents a system for efficiently depalletising textureless and versatile cardboard boxes, even when they are tightly packed together, by utilizing deep learning and point clouds. The system uses an industrial humanoid torso equipped with a 6 DoF dual-arm and an RGB-D camera allowing for fast, accurate, and adaptable object handling without the need for additional sensors or setup. Operating in a warehouse environment, the robot is responsible for loading/unloading pallets of cardboard packages and placing them onto conveyor belts for further processing. The system uses ROS interface for communication, control, and MoveIt for dual-arm path planning and achieves impressive F1 scores of 0.81 and 0.90 for single-face and multi-face boxes, respectively, as demonstrated through real-time testing. These results provide valuable insights into the system's capabilities and potential future improvements.
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