Inductive Powering [electronic resource] : Basic Theory and Application to Biomedical Systems / edited by Koenraad Schuylenbergh, Robert Puers.

By: Schuylenbergh, Koenraad [editor.]Contributor(s): Puers, Robert [editor.] | SpringerLink (Online service)Material type: TextTextLanguage: English Series: Analog Circuits and Signal Processing: Publisher: Dordrecht : Springer Netherlands, 2009Description: xvi, 224 p online resourceContent type: text Media type: computer Carrier type: online resourceISBN: 9789048124121Subject(s): Engineering | Engineering design | Computer engineering | Systems engineering | Engineering | Circuits and Systems | Electrical Engineering | Engineering DesignAdditional physical formats: Printed edition:: No titleDDC classification: 621.3815 LOC classification: TK7888.4Online resources: Click here to access online
Contents:
An introduction on telemetry -- The concepts of inductive powering -- Exact link formulaae -- Primary coil drivers -- Optimisation of the driven inductive link -- Automatic link tuning.
In: Springer eBooksSummary: Inductive powering has been a reliable and simple method for many years to wirelessly power devices over relatively short distances, from a few centimetres to a few feet. Examples are found in biomedical applications, such as cochlear implants; in RFID, such as smart cards for building access control; and in consumer devices, such as electrical toothbrushes. Device sizes shrunk considerably the past decades, demanding accurate design tools to obtain reliable link operation in demanding environments. With smaller coil sizes, the link efficiency drops dramatically to a point where the commonly used calculation methods become invalid. Inductive Powering: Basic Theory and Application to Biomedical Systems is a complete reference for the inductive link designer. It bundles the information scattered throughout literature into a set of consistent formulations allowing engineers to grasp the calculus in full clarity. A general formalism is given for a wide array of applications, ranging from strong to very weak coil coupling. Without loosing universal applicability, the book then focuses on weak coupling (k < 1%) where the existing approximate formulae fail, and demonstrates that the design of the coil driver must be included in the optimisation flow. It provides step-by-step instructions that boost the performance of links originally confined to some microwatts, to several milliwatts without increasing the dimensions. The book lists all design equations and topology alternatives to successfully build an inductive power and data link for your specific application. It also contains practical guidelines to expand the external driver with a servomechanism that automatically tunes itself to varying coupling and load conditions.
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An introduction on telemetry -- The concepts of inductive powering -- Exact link formulaae -- Primary coil drivers -- Optimisation of the driven inductive link -- Automatic link tuning.

Inductive powering has been a reliable and simple method for many years to wirelessly power devices over relatively short distances, from a few centimetres to a few feet. Examples are found in biomedical applications, such as cochlear implants; in RFID, such as smart cards for building access control; and in consumer devices, such as electrical toothbrushes. Device sizes shrunk considerably the past decades, demanding accurate design tools to obtain reliable link operation in demanding environments. With smaller coil sizes, the link efficiency drops dramatically to a point where the commonly used calculation methods become invalid. Inductive Powering: Basic Theory and Application to Biomedical Systems is a complete reference for the inductive link designer. It bundles the information scattered throughout literature into a set of consistent formulations allowing engineers to grasp the calculus in full clarity. A general formalism is given for a wide array of applications, ranging from strong to very weak coil coupling. Without loosing universal applicability, the book then focuses on weak coupling (k < 1%) where the existing approximate formulae fail, and demonstrates that the design of the coil driver must be included in the optimisation flow. It provides step-by-step instructions that boost the performance of links originally confined to some microwatts, to several milliwatts without increasing the dimensions. The book lists all design equations and topology alternatives to successfully build an inductive power and data link for your specific application. It also contains practical guidelines to expand the external driver with a servomechanism that automatically tunes itself to varying coupling and load conditions.

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