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Carbon nanotube field effect transistors (CNFETs), which use carbon nanotubes (CNTs) as the transistor channel, are promising substitution of conventional CMOS technology. However, due to the stochastic assembly process of CNTs, the number of CNTs in each CNFET has a large variation, resulting in a vast circuit delay variation and timing yield degradation. To overcome it, we propose a timing-driven...
This paper describes a new method for the measurement of ship attitude which is based on multi-sensor data fusion, and advances a data fusion mathematical algorithm. By means of calculating the data that acquires from the ship attitude sensors which are installed on the training ship motor vessel "YUKUN" of Dalian maritime university, the results show this method is relatively reliable....
Using Visual Basic programming language, Dalian Maritime University's training ship "YU KUN" as the ship model, design the ship boundary zone dynamic display system, whose aim is to provide officers with more intuitive and accurate display information. The above-mentioned system can facilitate anticipating navigation risks, which has a certain significance not only for restricted waters...
This paper presents a novel template matching algorithm that copes with the occlusion on the target image. Most of the previous methods are sensitive to the occlusion because it induces some patches with similar semantic concepts but distinct appearances. Thus the template matching algorithm hardly accomplishes the task based on the appearance similarity only. To overcome this limitation, we integrate...
In order to improve the prosthetic hand's design and usability, this paper presents a synthetic framework for evaluating the current prosthetic hands' anthropomorphic features with 12 quantified prosthetic hand anthropomorphism evaluation indexes (QPHAEIs). Our primary results show that a global anthropomorphic score (GAS) of the current commercial prosthetic hands is only 45.2%. The compliance, coupling...
Modern General Purpose Graphic Processing Unit (GPGPU) demands a large Register File (RF), which is typically organized into multiple banks to support the massive parallelism. Although heavy banking benefits RF throughput, its associated area and energy costs with diminishing performance gains greatly limit future RF s-caling. In this paper, we propose an improved RF design with a bank stealing technique,...
The influence of longitudinal modes on self-mixing signals in Nd:YVO4 feedback interferometers has been investigated theoretically and experimentally. When laser feedback interferometers (LFI) are used for large scale measurement, periodic envelope usually appears on the measuring signals, which may reduce the measuring accuracy and even disable the system. Experiments are implemented to investigate...
Underwater glider is a long-range autonomous underwater vehicle for oceanographic research that propels them through the ocean by changing their buoyancy. Balance parameters usually obtained through experiments. These kind of inaccurate parameters have a great influence on gliders gliding. In this article, a balance parameters calculation method of underwater glider based on BP neural network is presented...
Due to the space limitation and safety concerns, the non-same-phase anti-parallel connection structure is applied in the ITER Poloidal Field (PF) converter unit. Consequently, the electromagnetic interference (EMI) has been one of the main concerns in its design. And this paper mainly presents the electromagnetic compatibility (EMC) analysis and design for ITER PF converter unit. At first, an isolated...
According to the pre-treatment process to the numerical simulation of structural progressing collapse, a program is developed based on the explicit finite element method by using VC++ language and APDL statement which is unique to ANSYS. This MFC program can export structural collapse analysis APDL text of ANSYS/LS-DYNA, which can liberate the analyst from the complex pre-processing. The numerical...
Machine learning algorithms are advocated for automated diagnosis of board-level functional failures due to the extreme complexity of the problem. Such reasoning-based solutions, however, remain ineffective at the early stage of the product cycle, simply because there are insufficient historical data for training the diagnostic system that has a large number of test syndromes. In this paper, we present...
SRAMs built on Carbon Nanotube Field Transistors (CNFET) are promising alternatives to conventional CMOS-based SRAMs, due to their advantages in terms of both power consumption and noise margin. However, non-ideal Carbon Nanotube (CNT) fabrication process generates metallic-CNTs (m-CNTs) along with semiconductor-CNTs (s-CNTs), rendering correlated faulty cells along the growth direction of the m-CNTs...
With the increase of pulse density, signal sorting becomes extremely difficult for modern electronic reconnaissance, especially for pulse-compression radar signals. Blind source separation (BSS) is a new developed technology for separating signals from mixed observed data. In this paper, we propose various instantaneous mixing models of pulse-compression radar signals, including linear frequency modulation,...
The convolutive blind source separation (BSS) problem can be solved in frequency domain. To solve the permutation ambiguity problem in frequency domain, this paper presents an improved permutation alignment algorithm. According to features of radar signals, first the frequency domain is divided to some region segmentations. Then the permutation alignment is performed in each region independently....
Two novelty methods to design circularly polarized holographic antenna have been proposed at millimetre wave band. The antennas designed with the optical holographic principle are structured by sources and interference plane. The interference plane is based on quasi-periodically artificial impedance surface. The antennas which radiation circularly polarized wave from linearly feed are demonstrated...
This paper proposes a method to identify the hybrid modulation signals. Firstly, the method utilizes instantaneous frequency (IF) of signals combined with histogram to classify conventional signals and hybrid modulation signals. Then an improved signal segmentation method is used to resolve the hybrid modulation signals to conventional signals. Experimental results show that the proposed method can...
This paper proposes the design and development of an integrated serial elastic actuator (SEA) which is used as the elbow joint in the soft humanoid arm. First, requirements of SEA are illustrated. And six different types of elastic elements (e.g. the discoid element, the cylindrical) are analyzed using the design of experiment (DOE) method. And then, a discoid elastic element with larger flexibility...
We propose an efficient window aggregation method over multi-dimensional array data based on incremental computation. We improve several aggregations with different data structures exploited to achieve efficient computation: list for sum and avg, heap for max and min, and balanced binary search tree for percentile. We present time complexity analysis for the methods, and then evaluate performance...
In view of the existing problems in DC traction power supply system and electric vehicle (EV) batteries charging system, a DC micro-grid is proposed: EV batteries are connected to DC traction power supply system via off-board bidirectional chargers, forming a ring DC micro-grid in a sub-region, in which EV batteries can be charged by DC traction power supply system and voltage of overhead contact...
Considering problems of power quality in sustainable buildings and the development needs of electric vehicles (EVs), a DC micro-grid based on sustainable buildings is proposed, and EV batteries are presented as storage device to balance voltage fluctuation of DC micro-grid and meet the need of EVs for DC electricity. To enable bidirectional energy flow between the DC bus and EV batteries, double closed-loop...
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