Cited by 113
Macau University of Science and Technology
Publishes on Robotics and Sensor-Based Localization, Electric Motor Design and Analysis, Generative Adversarial Networks and Image Synthesis. 3 papers and 115 citations.
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Abstract It is analyzed that the hub motor of new energy vehicles.Two kinds of hub motors,the inner rotor and outer rotor are designed. Their stators adopt the radial and axial bidirectional excitation.The rotor’s permanent magnets adopt Halbach distribution, and the magnetic circuit adopts composite magnetic conduction structure.The hub motor of the inner rotor is designed which includes its left stator,right stator and outer stator.The left and right stators are arranged on both sides of the axial direction of the rotor, the outer stator is arranged on the radial top side of the rotor,the three stators are fixedly sealed together,which are composed of composite iron core and coil.The rotor is composed of a yoke and permanent magnets.The permanent magnets of the rotor are pasted on the left and right side of the yoke and the outside of the top ring. The excitation magnetic flux of the three stators are distributed sinusoidally to form a three-way closed circuit.The outer rotor of the hub motor is designed,which T-shaped stator forms the radial and axial bidirectional excitation structure,which is fixedly sealed into an armature by excitation winding, composite material iron core and resin.The composite material iron core is composed of steel fiber reinforced epoxy resin.The rotor is arranged on the outside of the T-shaped stator to form an outer rotor.The T-shaped stator is fixed on the shaft, and the rotor is installed on the shaft by use of bearings. The above two hub motors have high output torque/power density, low heating effect, light weight and simple assembly.They are suitable for electric car series.
Abstract Robotic assembly is an important process to replace manual picking in industrial smart manufacturing. One of the important steps in assembly is robotics grasping and sorting of the workpiece. In this paper, a lightweight visual epigynous system was designed to address sorting workpieces with high efficiency, portability, and accuracy. The software of the system was divided into a vision calculation module (VCM), an ethernet communication module, a system control module, and a real-time display module. VCM is responsible for obtaining the information of workpieces, which includes segmenting the images captured by the webcam sequentially and recognizing the digit, and calculating the angle by algorithms of AKAZE feathers matching with and orientation estimation for vector comparison. The proposed method in VCM performs best in estimating the orientation of the workpiece through the comparison of different template matching algorithms. The industrial field experiments indicated that the robot could satisfy the requirement of visual sorting. This system provides a practical and robust solution for industrial workpiece sorting applications.