Fig. 1 The schematic diagram of the system: ( a ) concept of the application of the converter, ( b ) FIV converter, ( c ) closed view of the spring connection, ( d ) piezoelectric energy harvester, and ( e ) closed view of the guiding slot More about this image found in The schematic diagram of the system: ( a ) concept of the application of th...

Fig. 2 Force analysis of the cylindrical tube More about this image found in Force analysis of the cylindrical tube

Fig. 3 Schematic diagram of collisions between the screws and the slots: ( a ) twice collisions in a cycle and ( b ) single collision in a cycle More about this image found in Schematic diagram of collisions between the screws and the slots: ( a ) twi...

Fig. 4 Mechanical single-degree-of-freedom model of the PEH: ( a ) geometric size of the PEH and ( b ) single-degree-of-freedom model More about this image found in Mechanical single-degree-of-freedom model of the PEH: ( a ) geometric size ...

Fig. 5 Schematic diagram of the experimental setup: ( a ) schematic diagram of the water channel, ( b ) the water channel, and ( c ) inclined FIV converter in the water channel More about this image found in Schematic diagram of the experimental setup: ( a ) schematic diagram of the...

Fig. 6 ( a ) Prototype and ( b ) dimensions of the piezoelectric energy harvester More about this image found in ( a ) Prototype and ( b ) dimensions of the piezoelectric energy harvester

Fig. 7 The inclined angles of the FIV converter under different water flow speeds More about this image found in The inclined angles of the FIV converter under different water flow speeds

Fig. 8 The vibration characteristics of the FIV converter under different water flow speeds: ( a ) frequency and ( b ) amplitude More about this image found in The vibration characteristics of the FIV converter under different water fl...

Fig. 9 The output voltage of the PEH under different water flow speeds: ( a ) peak-to-peak voltage versus flow speed and ( b ) typical voltage curves More about this image found in The output voltage of the PEH under different water flow speeds: ( a ) peak...

Fig. 10 The generated voltage of the PEH at different PEH masses under the flow speed of 0.351 m/s More about this image found in The generated voltage of the PEH at different PEH masses under the flow spe...

Fig. 11 Harvested power of the piezoelectric energy harvester obtained by experiments More about this image found in Harvested power of the piezoelectric energy harvester obtained by experimen...

Fig. 1 Calculation schematic representation of sun-visible trajectory tracking model More about this image found in Calculation schematic representation of sun-visible trajectory tracking mod...

Fig. 2 Viewing angle coefficient of shadow distribution of bifacial PV module More about this image found in Viewing angle coefficient of shadow distribution of bifacial PV module

Fig. 3 Hybrid tracking model perspective optimization process More about this image found in Hybrid tracking model perspective optimization process

Fig. 4 Experimental data: ( a ) power generation of control and experimental groups and ( b ) daily scattering coefficients and power generation gain ratios More about this image found in Experimental data: ( a ) power generation of control and experimental group...

Fig. 5 Variations in irradiance and power generation before and after optimization of bifacial photovoltaic modules under typical cloudy conditions: ( a ) variation in irradiance generation and ( b ) variation in power generation More about this image found in Variations in irradiance and power generation before and after optimization...

Fig. 6 Variations in irradiance and power generation before and after optimization of bifacial photovoltaic modules under typical overcast conditions: ( a ) variation in irradiance generation and ( b ) variation in power generation More about this image found in Variations in irradiance and power generation before and after optimization...