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This paper reports an up to 95.9% angle detection accuracy enhancement for capacitive tactile sensors, which entails asymmetric and intentionally shifted electrodes. The rotational shift between two electrodes of a capacitor that greatly contributed to angle detection errors was theoretically analyzed and examined by experiments with simulations. The asymmetric electrodes containing one fan- and one...
We report a new design concept of micromechanical cantilever system incorporating the 1∶3 internal resonance during dynamic mode operation of atomic force microscopy (AFM). The passive amplification of third harmonic triggered through the mechanism of 1∶3 internal resonance enables AFM to utilize multiple harmonics in an air environment. Detailed theoretical and experimental studies of the proposed...
This paper reports an on-chip analytical method for studying physical mechanisms of plant root growth in soil environments. To quantitatively evaluate physical interaction between root and soil, we developed a silicon-based microchannel device integrated with force displacement sensor which mimics a barrier in soil. By using developed microsystem, we successfully characterized the driving forces of...
The interdigitated electrodes were integrated on Ge0.93Sn0.07/Ge heterostructure photoconductive detectors. Photoresponse extending to 2.2 μm was achieved, and the enhanced responsivity with reduced spacing between interdigitated electrodes was observed at room temperature.
Room temperature electroluminescence (EL) from Ge/Ge0.92Sn0.08/Ge double heterostructure light-emitting diodes has been observed. Spectrum measurements show an emission peak at 0.601eV, which is attributed to direct bandgap transition.
The paper considers the Common Due-Window (CDW) problem where a single machine processes a certain number of jobs against a common due-window. Each job possesses different processing times but different and asymmetric earliness and tardiness penalties. The objective of the problem is to find the processing sequence of jobs, their completion times and the position of the given due-window to minimize...
3C-Silicon Carbide (SiC) has been identified as a potential biomaterial for implantable devices. The prospect of 3C-SiC membrane as the working component for BioMEMS in in-vitro blood pressure sensing could be a new challenge for biomedical engineers. Although, 3C-SiC is known to be biocompatible, but the micromachining process normally used in semiconductor industry might alter the biocompatibility...
Selecting the best wheat variety seed from many different types of varieties for cultivating in specified field is a complex process that faces the Decision makers (e.g. farmers, their advisors, and stakeholders). Right decision in the selection of the best wheat variety to be grown will ultimately convert into a successful farming plan. On the other hand, selecting the suitable variety for season...
This paper presents the Quick Error Detection (QED) technique for systematically creating families of postsilicon validation tests that quickly detect bugs inside processor cores and uncore components (cache controllers, memory controllers, on-chip interconnection networks) of multi-core System on Chips (SoCs). Such quick detection is essential because long error detection latency, the time elapsed...
Volunteered Service Composition (VSC) refers to the process of composing volunteered services and resources. These services are typically published to a pool of voluntary resources. The composition aims at satisfying some objectives (e.g. Utilizing storage and eliminating waste, sharing space and optimizing for energy, reducing computational cost etc.). In cases when a single volunteered service does...
This work presents a CMOS compatible method to develop suspended inductors. In other words, if analytical models for designing planar inductors do not take into account unwanted effects (due to the silicon substrate), our proposal is to etch the substrate in order to match both numerical results and experimental data. The accuracy in the inductance value is required not only to develop a design model,...
P = {p,:i ∊ Nn}, Q = {qj, : j ∊ Nm}, R = {rk : k ∊ Nk} are considered as three referential sets and A ∊ R (P, Q;I), X ∊ R (Q, R; I), B ∊ R (P, R; I) are three fuzzy relations. We assume that these fuzzy relations are constrained to each other such that A o X = B. If two of the three components are known and other is to be calculated, then it is called fuzzy relation equation. When A and X are known,...
Packet filter system based on high speed match engine of REGular EXPressions (REGEXP) plays an important role in domain of Intrusion Detection System (IDS), Deep Packet Inspection (DPI) system, network security and traffic monitoring, etc. However, the existing filter schemas suffer from several deficiencies in matching speed and memory footprint, such as traditional DFA matching, single-level signature...
The spectrometric characteristics of semi-insulating GaAs detectors irradiated by 5 MeV electrons to a dose of 24 kGy at three different dose rates (20, 40 and 80kGy/h) were studied. A similar decrease of CCE (Charge Collection Efficiency) after irradiation by 7.5% of CCE was observed with all groups of investigated detectors. On the other hand, an increase of detection efficiency after irradiation...
Recently, Hadoop attracts much attention of engineers and researchers as an emerging and effective framework for Big Data. HDFS (Hadoop Distributed File System) can manage huge amount of data with high performance and reliability using only commodity hardware. However, HDFS requires a single master node, called a NameNode, to manage the entire namespace of the file system. This causes the SPOF (Single...
Sampling-based approximate query processing method provides the way, in which the users can save their time and resources for 'Big Data' analytical applications, if the estimated results can satisfy the accuracy expectation earlier before a long wait for the final accurate results. Online aggregation (OLA) is such an attractive technology to respond aggregation queries by calculating approximate results...
We propose a design of small-core multiple-layer Bragg waveguide for guiding the THz signal by TE01 mode, which is composed of alternating un-doped silicon (high refractive index) and high-density polyethylene (low refractive index). The group velocity of the THz wave traveling inside this small-core waveguide slows down to below 0.5c, while the propagation loss is less than 0.3 dB per centimeter...
This paper proposes a method for modeling charging/swapping load distribution of electric taxi considering the taxi operation characteristic and facility limitation. With this method, Monte Carlo Method and Dijkstra Algorithm are adopted to simulate the electric taxi' operation behavior. A practical example is carried out to demonstrate the performance of the modeling method.
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