CMOS Circuits for Piezoelectric Energy Harvesters
Efficient Power Extraction, Interface Modeling and Loss Analysis
(Sprache: Englisch)
This book deals with the challenge of exploiting ambient vibrational energy which can be used to power small and low-power electronic devices, e.g. wireless sensor nodes. Generally, particularly for low voltage amplitudes, low-loss rectification is...
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This book deals with the challenge of exploiting ambient vibrational energy which can be used to power small and low-power electronic devices, e.g. wireless sensor nodes. Generally, particularly for low voltage amplitudes, low-loss rectification is required to achieve high conversion efficiency. In the special case of piezoelectric energy harvesting, pulsed charge extraction has the potential to extract more power compared to a single rectifier. For this purpose, a fully autonomous CMOS integrated interface circuit for piezoelectric generators which fulfills these requirements is presented.
Due to these key properties enabling universal usage, other CMOS designers working in the field of energy harvesting will be encouraged to use some of the shown structures for their own implementations. The book is unique in the sense that it highlights the design process from scratch to the final chip. Hence, it gives the designer a comprehensive guide of how to (i) setup an appropriate harvester model to get realistic simulation results, (ii) design the integrated circuits for low power operation, (iii) setup a laboratory measurement environment in order to extensively characterize the chip in combination with the real harvester and finally, (iv) interpret the simulation/measurement results in order to improve the chip performance. Since the dimensions of all devices (transistors, resistors etc.) are given, readers and other designers can easily re-use the presented circuit concepts.
Inhaltsverzeichnis zu „CMOS Circuits for Piezoelectric Energy Harvesters “
1 Introduction. 1.1 Energy Harvesting Principles. 1.2 Examples of Wireless Sensor Nodes. 1.3 State of the Art in Interface Circuits for Energy Harvesters. 1.4 Goal of this Work and Major Achievements. 1.5 Organization of the Book. References.
2 Piezoelectricity and Energy Harvester Modelling. 2.1 Theoretical Background of the Piezoelectric Effect. 2.2 Piezoelectric Converter Design Configurations. 2.3 Modeling of Kinetic Energy Harvesters. 2.4 Modeling of Piezoelectric Harvesters. References.
3 Analysis of Different Interface Circuits. 3.1 Resistor Load. 3.2 Full-wave Rectifier with Capacitor. 3.3 Synchronous Electric Charge Extraction. 3.4 Comparison Under Coupling Considerations. References.
4 Theory of the Proposed PSCE Circuit. 4.1 Basic Operation Principle. 4.2 Energy Loss Approximation Approach. 4.3 Switch Configurations. 4.4 Switching Techniques. 4.5 Evaluation. 4.6 Realization Aspects. References.
5 Implementation of the PSCE Circuit on Transistor Level. 5.1 Power Switches. 5.2 SECE Selector. 5.3 Oscillation Cancellation. 5.4 Negative Voltage Converter. 5.5 Startup.
6 Performance Analysis of the PSCE Chip. 6.1 Vibration Setup. 6.2 Characterization of Piezoelectric Harvesters. 6.3 Demonstration Platform. 6.4 PSCE Chip Performance. References.
7 Conclusions and Outlook. References.
Appendix A Mathematical Calculations. A.1 Solution of the Linear Differential Equation Systems. A.2 Flux Property. A.3 Trigonometric Relations. A.4 Numerical Calculation.
Bibliographische Angaben
- Autoren: Thorsten Hehn , Yiannos Manoli
- 2016, Softcover reprint of the original 1st ed. 2015., 204 Seiten, Maße: 23,5 cm, Kartoniert (TB), Englisch
- Verlag: Springer Netherlands
- ISBN-10: 940240354X
- ISBN-13: 9789402403541
Sprache:
Englisch
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