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This work demonstrates a non-invasive capacitive proximity based floor sensing system to monitor the motion of a human body (elderly patients). Monitoring the motion of an elderly patient can help them to move freely without the limitation of staying in a restricted environment which is suited for homecare applications. On the basis of application, such implementations need low-power, accurate and...
This paper is aimed at proposing an effective solution to enhance continuous power availability and to reduce the peak load demand in Kuwait electric grid system. The peak demand is made up from solar renewable energy sources. The potential of renewable energy as power generation sources in Kuwait has been studied and solar energy potential has been analyzed. In the pursuit of proposing a system based...
This paper presents an experimental investigation of the behavior of a biomass test material, wheat. Ground wheat grain is replicated as fine biomass base. The experiment is based on voltage application inside a capacitive sensor. This sensor allows the sensing of very small capacitive variation. The sensor is incorporated with an interface sensing circuit based on circular and semi-circular shaped...
In this paper, assessing an analytical model of Kuwait city power consumption is focused. This includes data per person of energy demand, increasing trends over the years to investigate the rapidly increasing power demand due to the growing number of the population in Kuwait and due to modernization of lifestyle. Therefore, this paper focuses on the analytical model for Kuwait city power consumption...
The work aims in creating a monitoring system for the elderly population intended to be used in the bedroom. The sensors selected can measure the sleep pattern and selected vital signals. This particular sensor was preferred as a result of its simplicity in integration, cost-effectiveness, and reliability. The suggested work is shown to be in the form of embedded sensors integrated in the bedroom...
This paper proposes Wireless Power Transfer (WPT) system, consisting of transmitter-receiver coils along with some conditioning and stabilizing circuits. The transmitter circuit is designed with a simple H bridge circuit to supply the pulses to source coil. The efficiency variation or performance with respect to the coil size has been demonstrated in this paper, which is not well demonstrated experimentally...
With the continual increase of senior citizens more resources are required for providing care centers services. The quality of such services can be enhanced by remotely monitoring senior citizens living independently in their homes. The monitoring can be performed using various types of sensors, but the solution presented in this paper is simple, cost effective as well as easy to implement compared...
The primary application of this work is to design and develop a reliable capacitance sensing system for measuring very small capacitive changes at low frequencies for human interface application. The sensing system is applicable in monitoring and characterizing human body movement. The interface circuit measures very small capacitive variation. A number of capacitive values have been set in the proposed...
Care of senior individuals requires spontaneous and precise decisions so that life protecting and lifesaving therapy can be given on time. Research reveals that assistive technology can provide systems, which aid in prevention and detection of injuries to senior patients leading to a faster response. Falls are one of the major injuries occurring among seniors and they are not able to receive proper...
This paper presents an inductive pressure sensor which can be employed for the acquisition of biomedical signal, and these signals can be extremely vital in monitoring and diagnosing human body conditions. Based on the nature of the application, such implementations require precise and real time measurement for measuring any biomedical parameters. The proposed inductive pressure sensor is based on...
This This paper presents an inductive pressure sensor which can be employed for the acquisition of biomedical signal, and these signals can be extremely vital in monitoring and diagnosing human body conditions. Based on the nature of the application, such implementations require precise and real time measurement for measuring any biomedical parameters. The proposed inductive pressure sensor is based...
This paper describes a method for analysing and detecting the daily activities of a person with the help of phase sensitive detector analysis. The phase sensitive detector (PSD) is implemented in the circuitry to measure the phase and amplitude change produced, I and Q, hence the amplitude and the phase of the voltage. The basic components of PSD analysis are modulation, multiplication and low pass...
This work focuses on measuring precise values of passive elements such resistors, inductors and capacitors through non-contact means through inductive coupling for series and parallel. Resonant circuit is used for selective identification of high frequency components. However, if one of the circuit components such as the inductance, capacitance or resistance is made to vary, it will cause a change...
A proliferating concern has been growing on the development of non-contact sensing and monitoring of human activities in health care sectors to avert accidents of elderly patients. Keeping in mind the limitations of the existing techniques, a novel sensing technique for human movement recognition has been proposed in this paper which uses capacitive proximity sensors. This paper works towards setting...
Recent technological advancements in sensors and conditioning electronics are finding applications in many areas including non-contact monitoring in remote areas, in the medical field and better automation in the automotive industry. Such electronics need power sources both through wired and wireless means. Given this, inductive coupling is the most appropriate and potent approach to carry out this...
The significance for measuring the accurate flow rate of gases in pipelines has been ever-increasing in the industrialized regions. There arises the need for gross measurements of gas-flow at some points while more accurate measurements of gas-flow are needed at some other points in an industry. Moreover, as the industry develops it undergoes changes for more comfortable user friendly way of gas flow...
This paper presents the categorization of magnetic and non-magnetic materials across a low frequency band through conducting a non-contact measurement of a passive resistive element for low frequency applications. Three different materials have been used as core for the coupled coils. The experimental results for the test circuit with inductive and resistive load separately are obtained under different...
Powering implantable low wattage biomedical devices and sensors through non-contact means is on the rise over the past recent years. In view of that, inductive coupling is currently the most favorable means of transferring energy for powering the low wattage implanted devices. The wireless inductive link works as an energy link to power up remote devices and also acts as a communication link to retrieve...
The advancement of magnetic sensors in biomedical sector has led toward an immense range of applications. Inductive coupling link has been validated as the most suitable and efficient means for wireless transfer of signal where coupling coefficient plays a crucial role to determine the strength of the transmission in power transfer. In view of that an urgent investigation of the relative magnetism...
This paper presents a magnetic characterization technique based on the analysis of respective magnetization curves of the soft ferrites materials under test. The magnetic properties in low external magnetic field are explored for those materials. The method applies an alternating electric current through the coil to magnetize the ferromagnetic materials used as a core. Due to the change in current,...
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