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For the first time, the ion-vacancy-based bipolar RRAM has been demonstrated on HKMG stack of FEOL logic 14nm FinFET. A unit cell with two identical FinFETs, one serves as a control transistor and the other one is the storage with resistance switching. It is performed by the edge tunneling and with bipolar switching. More importantly, the sneak path issue in an AND-type array based on this FinFET...
Consumption of ultrapure water (UPW) during semiconductor manufacturing processes is an important topic. A new design of water-dispensing arm employs a small volume of UPW to remove slurry residues inside pad grooves. This innovative water conditioning arm, in contrast to the conventional atomizer and diamond disc, not only reduces UPW consumption by 87% but also reduces scratch defects. The small...
Consumption of ultrapure water (UPW) during semiconductor manufacturing processes is an important topic. A new design of water-dispensing arm employs a small volume of UPW to remove slurry residues inside pad grooves. This innovative water conditioning arm, in contrast to the conventional atomizer and diamond disc, not only reduces UPW consumption by 87% but also reduces scratch defects. The small...
Nano-sized magnesium oxide or magnesia has been reported to be useful for suppressing the space charge accumulation when it is added in epoxy resin. However, the addition of nano-magnesia to epoxy resin decreases the glass transition temperature (Tg) signficantly, which may limit industrial applications of magnesia/epoxy nanocomposites. In this work, nanomagnesia particles with an average size of...
Modular robots hold the promise of being a flexible solution to many issues within science. Their adaptability within hardware and software can provide the right robot for each and every situation. Presented here is a toolkit for automatically generating the central pattern generator equations which provide coordinated whole-body locomotion for modular robots. Robot shapes created in XML are read...
In this paper, the design strategy of the switched reluctance motor (SRM) is proposed for the propulsion system of the small electric vehicle (EVs), and the multi-objective optimization method of the switched reluctance drive is studied, as SRM has the features of high efficiency, high power density and high reliability. First the design strategy of SRM for the EVs is discussed. Then the procedure...
In this work we demonstrate, for the first time, the feasibility of making rapid fluorescence lifetime measurements with analog silicon photomultipliers (SiPMs) and waveform sampling techniques. Fluorophore excitation was provided by means of a low-power fiber-coupled pulsed laser diode operating at 405nm, whose beam had been expanded to a diameter of 2mm before impinging upon the sample. A portion...
The nuclear radiation exposure in Fukushima in 2011 has aroused the publics’ anxiety on nuclear safety. The alpha particles in such radiation may induce cancer and other serious diseases once entering the human body, yet high-sensitivity detection of alpha radiation remains unavailable and technically challenging. Here, we report the development of an effective and reliable alpha radiation measurement...
The effect of addition of nano-sized magnesia fillers to epoxy resin on the distribution of space charges is examined at various temperatures from 40 to 200 °C. Although the spatial distribution of space charges in the sample varies depending on temperature and filler content, magnesia nanocomposites exhibit a smaller amount of homocharge near the cathode than the unfilled epoxy resin at 40 and 80...
This paper presents a bio-inspired mobile agent-based coalition formation system for recruiting modular robots into different teams. A mathematical model for the coalition formation problem is described in this article. A mobile agent-based system is presented to solve the problem described. The system aims at bridging the gap between theory and practice in robots coalition formation. With this system,...
ChDuino is a cross-platform GUI based tool for managing Arduino boards and controlling them with connected USB cable or wirelessly through Bluetooth communication. The primary purpose of this software is to simplify the procedure of learning Arduino and embedded systems so that people from various areas and K-12 students can also learn the concepts of microcontrollers. This paper presents the design...
A new robotics kit for education and research on cyber-physical systems is proposed. Mechanical design, electrical design, and software development methods are discussed. The result of the design effort is the CPSKit, a 3D-printable Arduino-based mobile robot kit with various capabilities. The CPSKit is meant to be low-cost, 3D-printable, and use off-the-shelf electronics so the users can modify and...
In this paper, an assistive robotic device that integrates the consideration of human motion and algorithm of multi-axial control using a dual twisted-string actuation was designed and fabricated. To derive arm trajectories, subjects with different heights were recruited to identify the impacts to arm motions with various physical conditions. In addition to the identification of arm movements, an...
Distributed generation (DG) technology has been rapidly developing and the DG penetration level is becoming higher and higher in power system distribution network in recent years. Due to the access of multiple distributed generators, the traditional instantaneous overcurrent protection may fail to coordinate with each other. In order to solve this problem, this paper studies the fault characteristics...
In this paper, we propose a new approach to teach a robot to complete a task based on the human gesture recognition and hand motion tracking. The image coordinate of the human hand and the region of interest (ROI) with the center of the hand are captured by the Kinect sensor. To recognize the human gesture and track the hand motion exactly, we calibrate the Kinect depth camera. An accuracy analysis...
We demonstrate single-photon-level phase preservation in an up-converting interferometer. The up-conversion process is background-free to within experimental uncertainty, allowing high fringe contrast even at low photon levels. This enables faithful up-conversion of entangled photon pairs.
This work investigates the effects of semiconducting TiO2 nanowires on electrical properties of epoxy. TiO2 nanowires with diameters around 50 nm and length between 1 and 3 micrometer were prepared by a hydrothermal process, and then uniformly dispersed into epoxy matrix through a solution route by sonication. After cured by temperature programed heating, the electrical properties of the samples,...
The electric drive system is one of the most important parts of electric vehicles (EVs), whose function is the conversion between electric energy and mechanical energy. Switched reluctance motor (SRM) has the features of simple construction, high starting torque, wide speed range, high efficiency and high reliability which are appropriate for EVs drive system. Firstly, instantaneous torque control...
Research indicates that the combination of correct and erroneous examples has a positive effect on knowledge acquisition and transfer if learners have adequate prior knowledge. If only erroneous examples were provided, students with low prior knowledge may need additional supports so that their procedural skills can be effectively promoted. For this reason, this study, taking subtraction as the learning...
Robot-aided optical tweezers based manipulation tools have attracted increasing attention for advantages of trapping and manipulating micro/nano-scaled particles in biological environment. This paper presents a new research of using a robot-tweezers cell manipulation system to achieve in-vivo automated transportation of single red blood cells (RBCs). The position information of RBCs, extracted via...
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