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In this paper, a double stator linear rotary permanent magnet motor (DSLRPMM) which has a long tuber ferromagnetic mover core with permanent magnets (PMs) arranged on inner and outer surfaces is presented. Based on 3D finite element method (FEM), the end effects caused by the finite length of the inner and outer stators are investigated. The relationships between the end effects and motor parameters,...
New and emerging applications in the consumer and mobile space, the growing impact of the Internet of Things (IoT) and wearable electronics (WE), and the slowdown of Moore's law have been driving many new trends and innovations in advanced packaging technology. The semiconductor industry now has to focus on integration and system scaling to meet the ever-increasing electronic system demands for performance...
In this paper, a multi-resolution sparse representation method is proposed to reproduce three-dimensional (3D) Higher Order Ambisonics (HOA) sound fields. The multi-resolution dictionaries are constructed from low to high spatial angle resolution. Based on these dictionaries, the positions of virtual plane wave sources are estimated by complex least absolute shrinkage and selection operator (CLASSO)...
We present a complete description of “topological darkness” in a four-dimensional space regarding optical constants (i.e. n and k) of effective media, wavelengths and incident angles, which is essential for enhanced light-matter interaction in thin-films.
This paper introduces a simulation software, named Simatrix, for designing millimetre-wave reflector antenna and transmission system based on Diffracted Gaussian Beam Analysis. DGBA is a fast and modularized method for quasi-optical system (QOS) analysis. The Simatrix offers the functionalities of modeling and simulating 3D asymmetrical QOS, designing systems which contain shaped-mirror reflectors...
Conventional Fourier transform profilometry (FTP) suffers from spectrum overlapping arising from ambient light, surface reflectivity and system nonlinearity. In this paper, we propose a binary coding strategy to address the problem. First, we decompose a grayscale FTP pattern into a serial of binary patterns; second, we project the binary patterns onto a target and image the corresponding patterned...
We propose in this paper a method for the procedural modeling of buildings combing CGA shape grammar with facade image segmentation. The method effectively analyzes the architectural structure and elements and achieves facade image segmentation. Specifically, we generate shape tree of facade image according to image segmentation. We adopt a top-down subdivision scheme to encode rules and a down-top...
As an important part of Urban Intelligent Traffic System, parking guidance is one of the most effective measures to solve the difficult parking problems. How to plan and design the Parking Guidance System (PGS) effectively is an issue in this paper. Through the design of the simulation, we can realize the main functions of PGS. In this article, we put forward a framework of parking guidance system,...
Phase measuring profilometry is a method for measuring the 3D profile of objects. The method is known for its accuracy and high speed. In real world applications, however, the 3D reconstructions of the high-contrast regions have large measurement errors due to the smoothing effect by digital cameras. In this paper, we model the smoothing as a mathematical smooth mask applying process. Accordingly,...
To overcome the phase error caused by the partial intensity saturation in phase measuring profilometry, this paper studies the relative phase error caused by partial saturation. Moreover, an improved algorithm for phase reconstruction with partial saturated intensity is proposed. Compared with other phase-recovering methods, the improved algorithm is not limited to saturation coefficient. Finally...
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