Circuit Design Techniques for Power Efficient Microscale Energy Harvesting Systems

Circuit Design Techniques for Power Efficient Microscale Energy Harvesting Systems PDF Author: Ayman Abdelaziz Eltaliawy
Publisher:
ISBN:
Category : Energy harvesting
Languages : en
Pages : 190

Book Description
Abstract: Power Management is considered one of the hot topics nowadays, as it is already known that all integrated circuits need a stable supply with low noise, a constant voltage level across time, and the ability to supply large range of loads. Normal batteries do not provide those specifications. A new concept of energy management called energy harvesting is introduced here. Energy harvesting means collecting power from ambient resources like solar power, Radio Frequency (RF) power, energy from motion...etc. The Energy is collected by means of a transducer that directly converts this energy into electrical energy that can be managed by design to supply different loads. Harvested energy management is critical because normal batteries have to be replaced with energy harvesting modules with power management, in order to make integrated circuits fully autonomous; this leads to a decrease in maintenance costs and increases the life time. This work covers the design of an energy harvesting system focusing on micro-scale solar energy harvesting with power management. The target application of this study is a Wireless Sensor Node/Network (WSN) because its applications are very wide and power management in it is a big issue, as it is very hard to replace the battery of a WSN after deployment. The contribution of this work is mainly shown on two different scopes. The first scope is to propose a new tracking technique and to verify on the system level. The second scope is to propose a new optimized architecture for switched capacitor based power converters. At last, some future recommendations are proposed for this work to be more robust and reliable so that it can be transfered to the production phase. The proposed system design is based on the sub-threshold operation. This design approach decreases the amount of power consumed in the control circuit. It can efficiently harvest the maximum power possible from the photo-voltaic cell and transfer this power to the super-capacitor side with high efficiency. It shows a better performance compared to the literature work. The proposed architecture of the charge pump is more efficient in terms of power capability and knee frequency over the basic linear charge pump topology. Comparison with recent topologies are discussed and shows the robustness of the proposed technique.

Circuit Design Techniques for Microscale Energy Harvesting Systems

Circuit Design Techniques for Microscale Energy Harvesting Systems PDF Author: Ayman Eltaliawy
Publisher: LAP Lambert Academic Publishing
ISBN: 9783659623844
Category :
Languages : en
Pages : 112

Book Description
Power Management is considered one of the hot topics nowadays, as it is already known that all integrated circuits need a stable supply with low noise, a constant voltage level across time, and the ability to supply large range of loads. Normal batteries do not provide those specifications. A new concept of energy management called energy harvesting is introduced here. Energy harvesting means collecting power from ambient resources like solar power, Radio Frequency (RF) power, energy from motion...etc. The Energy is collected by means of a transducer that directly converts this energy into electrical energy that can be managed by design to supply different loads. Harvested energy management is critical because normal batteries have to be replaced with energy harvesting modules with power management, in order to make integrated circuits fully autonomous; this leads to a decrease in maintenance costs and increases the life time.

Energy Harvesting Technologies

Energy Harvesting Technologies PDF Author: Shashank Priya
Publisher: Springer Science & Business Media
ISBN: 038776464X
Category : Technology & Engineering
Languages : en
Pages : 522

Book Description
Energy Harvesting Technologies provides a cohesive overview of the fundamentals and current developments in the field of energy harvesting. In a well-organized structure, this volume discusses basic principles for the design and fabrication of bulk and MEMS based vibration energy systems, theory and design rules required for fabrication of efficient electronics, in addition to recent findings in thermoelectric energy harvesting systems. Combining leading research from both academia and industry onto a single platform, Energy Harvesting Technologies serves as an important reference for researchers and engineers involved with power sources, sensor networks and smart materials.

Microelectronic Circuit Design for Energy Harvesting Systems

Microelectronic Circuit Design for Energy Harvesting Systems PDF Author: Maurizio Di Paolo Emilio
Publisher: Springer
ISBN: 3319475878
Category : Technology & Engineering
Languages : en
Pages : 181

Book Description
This book describes the design of microelectronic circuits for energy harvesting, broadband energy conversion, new methods and technologies for energy conversion. The author also discusses the design of power management circuits and the implementation of voltage regulators. Coverage includes advanced methods in low and high power electronics, as well as principles of micro-scale design based on piezoelectric, electromagnetic and thermoelectric technologies with control and conditioning circuit design.

Piezoelectric Energy Harvesting

Piezoelectric Energy Harvesting PDF Author: Alper Erturk
Publisher: John Wiley & Sons
ISBN: 1119991358
Category : Technology & Engineering
Languages : en
Pages : 377

Book Description
The transformation of vibrations into electric energy through the use of piezoelectric devices is an exciting and rapidly developing area of research with a widening range of applications constantly materialising. With Piezoelectric Energy Harvesting, world-leading researchers provide a timely and comprehensive coverage of the electromechanical modelling and applications of piezoelectric energy harvesters. They present principal modelling approaches, synthesizing fundamental material related to mechanical, aerospace, civil, electrical and materials engineering disciplines for vibration-based energy harvesting using piezoelectric transduction. Piezoelectric Energy Harvesting provides the first comprehensive treatment of distributed-parameter electromechanical modelling for piezoelectric energy harvesting with extensive case studies including experimental validations, and is the first book to address modelling of various forms of excitation in piezoelectric energy harvesting, ranging from airflow excitation to moving loads, thus ensuring its relevance to engineers in fields as disparate as aerospace engineering and civil engineering. Coverage includes: Analytical and approximate analytical distributed-parameter electromechanical models with illustrative theoretical case studies as well as extensive experimental validations Several problems of piezoelectric energy harvesting ranging from simple harmonic excitation to random vibrations Details of introducing and modelling piezoelectric coupling for various problems Modelling and exploiting nonlinear dynamics for performance enhancement, supported with experimental verifications Applications ranging from moving load excitation of slender bridges to airflow excitation of aeroelastic sections A review of standard nonlinear energy harvesting circuits with modelling aspects.

Design and Fabrication of Self-Powered Micro-Harvesters

Design and Fabrication of Self-Powered Micro-Harvesters PDF Author: C. T. Pan
Publisher: John Wiley & Sons
ISBN: 1118487826
Category : Technology & Engineering
Languages : en
Pages : 344

Book Description
Presents the latest methods for designing and fabricating self-powered micro-generators and energy harvester systems Design and Fabrication of Self-Powered Micro-Harvesters introduces the latest trends of self-powered generators and energy harvester systems, including the design, analysis and fabrication of micro power systems. Presented in four distinct parts, the authors explore the design and fabrication of: vibration-induced electromagnetic micro-generators; rotary electromagnetic micro-generators; flexible piezo-micro-generator with various widths; and PVDF electrospunpiezo-energy with interdigital electrode. Focusing on the latest developments of self-powered microgenerators such as micro rotary with LTCC and filament winding method, flexible substrate, and piezo fiber-typed microgenerator with sound organization, the fabrication processes involved in MEMS and nanotechnology are introduced chapter by chapter. In addition, analytical solutions are developed for each generator to help the reader to understand the fundamentals of physical phenomena. Fully illustrated throughout and of a high technical specification, it is written in an accessible style to provide an essential reference for industry and academic researchers. Comprehensive treatment of the newer harvesting devices including vibration-induced and rotary electromagnetic microgenerators, polyvinylidene fluoride (PVDF) nanoscale/microscale fiber, and piezo-micro-generators Presents innovative technologies including LTCC (low temperature co-fire ceramic) processes, and PCB (printed circuit board) processes Offers interdisciplinary interest in MEMS/NEMS technologies, green energy applications, bio-related sensors, actuators and generators Presented in a readable style describing the fundamentals, applications and explanations of micro-harvesters, with full illustration

Micro Energy Harvesting

Micro Energy Harvesting PDF Author: Danick Briand
Publisher: John Wiley & Sons
ISBN: 3527672931
Category : Technology & Engineering
Languages : en
Pages : 490

Book Description
With its inclusion of the fundamentals, systems and applications, this reference provides readers with the basics of micro energy conversion along with expert knowledge on system electronics and real-life microdevices. The authors address different aspects of energy harvesting at the micro scale with a focus on miniaturized and microfabricated devices. Along the way they provide an overview of the field by compiling knowledge on the design, materials development, device realization and aspects of system integration, covering emerging technologies, as well as applications in power management, energy storage, medicine and low-power system electronics. In addition, they survey the energy harvesting principles based on chemical, thermal, mechanical, as well as hybrid and nanotechnology approaches. In unparalleled detail this volume presents the complete picture -- and a peek into the future -- of micro-powered microsystems.

Energy Harvesting and Energy Efficiency

Energy Harvesting and Energy Efficiency PDF Author: Nicu Bizon
Publisher: Springer
ISBN: 3319498754
Category : Technology & Engineering
Languages : en
Pages : 673

Book Description
This book presents basic and advanced concepts for energy harvesting and energy efficiency, as well as related technologies, methods, and their applications. The book provides up-to-date knowledge and discusses the state-of-the-art equipment and methods used for energy harvesting and energy efficiency, combining theory and practical applications. Containing over 200 illustrations and problems and solutions, the book begins with overview chapters on the status quo in this field. Subsequent chapters introduce readers to advanced concepts and methods. In turn, the final part of the book is dedicated to technical strategies, efficient methods and applications in the field of energy efficiency, which also makes it of interest to technicians in industry. The book tackles problems commonly encountered using basic methods of energy harvesting and energy efficiency, and proposes advanced methods to resolve these issues. All the methods proposed have been validated through simulation and experimental results. These “hot topics” will continue to be of interest to scientists and engineers in future decades and will provide challenges to researchers around the globe as issues of climate change and changing energy policies become more pressing. Here, readers will find all the basic and advanced concepts they need. As such, it offers a valuable, comprehensive guide for all students and practicing engineers who wishing to learn about and work in these fields.

Nature-Inspired VLSI Circuits - From Concept to Implementation

Nature-Inspired VLSI Circuits - From Concept to Implementation PDF Author: Hongjiang Song
Publisher: Lulu.com
ISBN: 1387847163
Category :
Languages : en
Pages : 382

Book Description


Fully-Integrated Power Management Circuits for Thermoelectric Energy Harvesting

Fully-Integrated Power Management Circuits for Thermoelectric Energy Harvesting PDF Author: Toru Tanzawa
Publisher: Springer Nature
ISBN: 3031597893
Category : Electric circuits
Languages : en
Pages : 107

Book Description
This book describes fully-integrated power management circuits for thermoelectric energy harvesting. Readers will learn about the applications, system design fundamentals, designs of building blocks, maximum power point tracking techniques, and design of battery chargers. The book covers the following key topics: 1) minimizing the cost of a thermoelectric generator (TEG) by considering the maximum open circuit voltage of TEG and the dependence of the power conversion efficiency of the converter on the input voltage, 2) controlling the input voltage of the converter system to ensure it remains higher than the minimum operating voltage, 3) designing a charge pump operating in the sub-threshold region, considering factors such as clock frequency, stage capacitor size, rectifying device size, and the number of stages, 4) implementing maximum power point tracking techniques with a small circuit area, and 5) designing a fully integrated battery charger. Readers will gain a comprehensive understanding of these concepts and their practical applications. In addition, this book: Provides a concise introduction to fully-integrated power management circuits for thermoelectric energy harvesting Covers design of building blocks, system, battery charger, maximum power point tracking techniques and applications Enables readers to gain quickly comprehensive understanding of key concepts and their practical applications.