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Multiple unit of PFC converters can be utilized for better power quality in the residential applications. It is important to set proper amount of reactive power contribution from each unit of PFC converter to reduce power loss and increase stability. To set the referenced amount of reactive power contribution for each PFC converter, a dynamic supervisory controller is necessary. In this paper, a wireless...
In accordance with our previous works on data protocol design and smart home platform, we propose end-devices prototyping design for supporting several main electronic based applications which are commonly found in a home. Motivation of this work is to propose end-devices prototyping design which are: (1) able to represent several main electronic functions in a common home; (2) able to support our...
Development of several computing and communication technologies is enabling the widespread availability of pervasive systems. In smart home applications, household appliances—such as security alarms, heating systems, doors and windows—are connected to home digital networks. These applications offer features that are typically developed by disparate vendors, and when composed together, these features...
In this paper we show the steps to implement the prototype of a smart home environment, with emphasis on the OSGi framework and first-order logic based inference engine. Due to the inherent extensibility of the underlying system, either the interfaces of sensors/home appliances or the inference rules can be adjusted and reloaded during runtime. Moreover, we illustrate several sensor-driven services...
Human activity recognition plays an essential role in e-health applications, such as automatic nursing home systems, human-machine interface, home care system, and smart home applications. Many of human activity recognition systems only used the posture of an image frame to classify an activity. But transitional relationships of postures embedded in the temporal sequence are important information...
In this paper we track a personpsilas region of interest by both recovering the 3D trajectory in the indoor environment and estimating the head pose indicating the attention direction. The above two attributes of the person can be combined to provide useful information for smart home and other smart indoor environment applications. There are two main differentiations of the work in this paper. First,...
Smart Homes uses different devices including sensors and actuators to provide services that assist in performing the activities of daily living. Currently these smart homes are developed in a manual and adhoc way. Manually configured smart homes create scalability, extensibility and cost problem. The need for a uniform platform for intercommunication among devices and a middleware abstraction using...
The paper discusses two body-language human-computer interaction modalities, namely the hand gesture and facial expression, for intelligent space applications such as elderly care and smart home applications.
Home sensor nodes are devices embedded in home appliances and are designed to sense environments, to process collected information, to perform a specific task, and to cooperate with other units. The advances of VLSI technologies and wireless sensor networks (WSN) turn the inspirational idea of intelligent home appliances into reality. In this paper, we focus on a category of home appliances, Smart...
Due to the inherently fine temporal resolution of UWB, arriving multi-path components can be sharply timed at a receiver to provide accurate time of arrival estimates. This characteristic makes UWB ideal for high precision radiolocation applications. This paper focuses on feature UWB technology that makes it attractive for location precise. A time-of-arrival (TOA) based ranging scheme using UWB radio...
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