Chapter 18 - Novel RFID Technologies Energy Harvesting for Self-powered Autonomous RFID Systems

Chapter 18 - Novel RFID TechnologiesEnergy Harvesting for Self-powered Autonomous RFID Systems

Figure 18.1 Micro-Wireless Dot™ - Courtesy, Axcess International

Table 18.1 RFID/Sensor life time

Figure 18.2 Block diagram of an EH sensor

Table 18.2 Power densities of EH technologies

Figure 18.3 EH system for solar cells

Figure 18.4 Solar panel V-I characteristics

Figure 18.5 DC-DC buck-boost converter for solar EH

Figure 18.6 A thermoelectric transducer VI characteristics

Figure 18.7 Types of Vibration EH Transducers

Figure 18.8 Piezoelectric conversion modes

Table 18.3 Common vibration sources

Figure 18.9 Cantilever characteristics

Figure 18.10 Block diagram of a vibration energy harvesting system

Figure 18.11 DC-DC buck-boost converter with battery load

Figure 18.12 Vision for EH based Micro-Wireless Dot™ sensor

Figure 18.13 : Top view of the electrode patterns for cantilevers of different sizes

Figure 18.14 MEMS cantilever – Courtesy, Texas MicroPower Inc

Table 18.4 Comparison of power densities

Figure 18.15 Adaptive multi-source power management architecture