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| Content Provider | IET Digital Library |
|---|---|
| Author | Alghisi, Davide Ferrari, Marco Ferrari, Vittorio |
| Abstract | This paper presents a battery-less non-contact temperature measurement system powered by energy harvesting from intentional human action. The conversion between the human action and electrical energy is provided by a hand-crank electromagnetic (EM) converter. The AC voltage generated by the EM converter has time-varying amplitude and frequency and is rectified by a metal–oxide-semiconductor field-effect transistor-based voltage doubler active rectifier circuit. The harvested energy is efficiently stored into multiple capacitors by the innovative sequential charging of storage capacitors technique, and used to power a micro electro mechanical system thermopile sensor with related signal conditioning electronics plus a liquid-crystal display to visualise the temperature readings. With a force of about 29.4 N over 2 cm applied to the EM converter, the power management circuit is able to extract an energy of 27.5 mJ and power the non-contact temperature measurement system for about 33 s. |
| Starting Page | 96 |
| Ending Page | 104 |
| Page Count | 9 |
| ISSN | 1751858X |
| Volume Number | 9 |
| e-ISSN | 17518598 |
| Issue Number | Issue 2, Mar (2015) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-cds/9/2 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-cds.2013.0437 |
| Journal | IET Circuits, Devices & Systems |
| Publisher Date | 2015-03-25 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | AC Voltage Battery-less Noncontact Temperature Measurement System Capacitor Converter Display Equipment And System Electrical Energy EM Converter Energy 27.5 MJ Energy Harvesting Hand-crank Electromagnetic Converter Human Factors Insulated Gate Field Effect Transistors Intentional Human Action Junction And Barrier Diode Liquid Crystal Device Liquid Crystal Displays Liquid-crystal Display Metal-oxide-semiconductor Field-effect Transistor Microelectro Mechanical System Micromechanical And Nanomechanical Device And System Microsensor Microsensors And Nanosensors MOSFET Multiple Capacitor Power Management Circuit Signal Conditioning Electronics Solid State Rectifier Temperature Measurement Thermal Variables Measurement Thermometry Thermopile Sensor Thermopiles Voltage Doubler Active Rectifier Circuit |
| Content Type | Text |
| Resource Type | Article |
| Subject | Control and Systems Engineering Electrical and Electronic Engineering |
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