Introduction: MOBILE robot navigation has stood as an open and challenging problem over the last few decades. Despite the significant advances in this field, researchers have yet to reach a comfortable level of satisfaction. To date, most of the robot navigation algorithms proposed in the literature are either tailored toward particular structured environments or driven […]
Introduction: In this system, we present an empirical study of human movement detection and identification using PIR-based modules having two pairs of orthogonally-aligned PIR sensors. We have developed a data collection module consisting of two pairs of PIR sensors whose dual sensing elements are orthogonally aligned and Fresnel lenses are modified to narrow the
Introduction: The safe production level of a coal mine is still low, especially in recent years, disasters in coal mines occur frequently, which lead to the great loss of possession and life, and the safety problems of the coal mine have gradually become the focus that the nation and society concern on. The disasters in
Introduction: To simplify daily work an office should be as open as possible for employees and guests. Security issues are traditionally dealt with by the use of locks, keys, id-cards, passwords, and active infrared (IR) or passive infrared (PIR) detectors. Such equipment for passage control or detection of motion patterns requires proper placement. Video cameras
Introduction: The word robot originated from the Czech word robot, meaning work. A definition used by the robot institute of America is: “A robot is a programmable multifunction manipulator designed to move material, parts, tools, or specialized devices through variable programmed motions for the performance of a variety of tasks”. In this highly developing
Introduction: The proposed design is cost-effective, reliable, and has the function of accurate tracking. When large objects or vehicles were spread out over the ground, the owner corporations often found it difficult to keep track of what was happening. They required some type of system to determine where each object was at any given time
Introduction: A data logger is an attractive alternative to either a recorder or a data acquisition system in many applications. When compared to a recorder, data loggers can accept a greater number of input channels, with better resolution and accuracy. Also, data loggers usually have some form of onboard intelligence, which provides the user with
Introduction: Electricity is an extremely handy and useful form of energy. It plays an ever-growing role in our modern industrialized society. The electrical power systems are highly non-linear, extremely huge, and complex networks [1]. Such electric power systems are unified for economic benefits, increased reliability, and operational advantages. They are one of the most significant
Introduction: Our country is one of the gravest countries in the world which have the most serious geological disaster. Day by day the geological disaster gets worse, and endangers people’s lives and property directly, affecting the sustainable development of our society’s economy. There appear frequently some natural phenomena such as mountain collapse, mountain slides, and so on along the line of railway, which badly threaten the traffic and transport safety of the railway. The slide and
Introduction: The infantry soldier of tomorrow promises to be one of the most technologically advanced modern warfare has ever seen. Around the world, various research programs. The challenge was to integrate the piecemeal components into a lightweight package that could achieve the desired result without being too bulky and cumbersome or requiring too much power.
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