Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 12 of 12 for “"battery-less"”.
-
Circuiti Elettronici Integrati per Applicazioni Battery-less IoT e Dispositivi Biomedici Impiantabili
… medici impiantabili (IMD) per reti wireless su scala corporea (WBAN) e smart-tag per elettronica di consumo indossabile/usa e getta per nodi sensori wireless (WSN). Le principali sfide per queste classi di dispositivi riguardano la riduzione dei costi e dell'occupazione di area/volume, …
-
Smartphone acoustic impedance sensing based on additive sum mixing technique
… presence of external power source. The need for battery-less impedance sensing methods is greatly demanded given recent years’ advancements in impedance based sensing technologies, such as impedance tomography, which will enable patients to perform medical tests such as breast cancer …
-
New Frontiers in Silicon Terahertz Electronics: Wirelessly Powered THz-ID and Secure THz Links
… last decade. However, ultra-low-power (<25𝜇W) or battery-less THz transceivers have not been explored yet due to the stringent challenges posed by them. Likewise, the notion of wireless power transfer at THz frequency is non-existence. There is a growing demand for low-power mm-size transceivers …
-
RF-guided exploration for robotic manipulation
… RVExp relies on eye-in-hand vision sensor and battery-less RFID tags attached to the object of interest. Since RF (radio frequency) signals can traverse everyday occlusions, RVExp uses the RFIDs' signals to locate an object through occlusions. At the heart of RVExp's design is a novel …
-
Closed-loop bladder function control for rats using optogenetics
… activity is monitored using a novel sensor in a less invasive manner than the traditional pressure sensors. A neuromodulation technique called optogenetics is used as the method of intervention to help control the bladder function. The battery-less implantable device is wirelessly powered via …
-
Regenerative braking on bicycles to power LED safety flashers
… The system is designed to eliminate: (a) battery changing in popular LED flashers, and (b) the "generator drag" associated with battery-less human-powered bicycle lights and flashers. System sizing, mechanical design considerations, potential end-user factors, and a model for braking …
-
Fully integrated ultra low voltage cold start system for thermal energy harvesting . . .
Wireless sensor networks used in various monitoring and sensing applications rely on energy harvesting for battery-less operation, as it minimizes the need for human intervention, and offers long term monitoring solutions. Typical energy harvesters use high efficiency boost converters, which are …
-
Adaptive Resource Allocation Algorithms For Data And Energy Integrated Networks Supporting Internet of Things
… the energy management work as most of them are battery-powered gadgets. What’s more, in some specific scenarios, the IoT nodes are fitted in some extreme environment. For example, a large-scale IoT pressure sensor system is deployed underneath the floor to detect people moving across the floor. …
-
Design and development of multifunctional energy harvesting and storage systems for sensor applications
… power generation can be used for powering battery-less wireless Tire Pressure Monitoring Systems (TPMS), wireless Vehicle Speed Sensors (VSS), tire health monitoring sensors, etc. Fully functional proof-of-product prototypes of a variety of multifunctional components were developed and …
-
Wirelessly Powered Sensor Design with On-Chip Antenna in CMOS Technology
… growth of the Internet of Things (IoT), wireless sensor network (WSN) and bio-implantable devices. There are 7 billion of IoT devices in use in 2018, which starts to surpass the number of the mobile devices. To extend the next level of connectivity from smart phone or tablet to each of the …
-
An embedded, wireless-energy-harvesting platform (E-WEHP) for powering sensors using existing, ambient, wireless signals present in the air
… of this research is to develop an embedded, wireless, energy-harvesting prototype (E-WEHP) that can power on and sustain embedded sensing functions using the power present in ambient wireless signals in urban areas. This research is part of a bigger effort towards greening RF circuits and …
-
Energy processing circuits for low-power applications
… scalable load voltages from 0.3V up to the battery voltage of 1.2V for ultra-dynamic voltage scaled systems. The efficiency limiting mechanisms of these on-chip DC-DC converters are analyzed and digital circuit techniques are proposed to tackle these losses. Measurement results from 3 …