Solar tracking systems and heliostats often rely on serial mechanisms with one or two motorizedaxes. In this paper we propose a parallel kinematic machine of type U-2PUS optimized to have alarge workspace able to follow the sun's apparent motion during the year. Some issues such assingularity avoidance and link/joint collisions are included inside a constrained optimizationprocedure to synthesize a mechanism able to operate at latitudes among 0° and 50°. Designconsiderations and vibration analysis are also discussed in the paper. Finally, an energy assess-ment, to evaluate system performances with respect to other solutions based onfixed solarpanels, is provided
Optimized Design of a Large-Workspace 2-DOF Parallel Robot for Solar Tracking Systems
CAMMARATA, ALESSANDRO
2015-01-01
Abstract
Solar tracking systems and heliostats often rely on serial mechanisms with one or two motorizedaxes. In this paper we propose a parallel kinematic machine of type U-2PUS optimized to have alarge workspace able to follow the sun's apparent motion during the year. Some issues such assingularity avoidance and link/joint collisions are included inside a constrained optimizationprocedure to synthesize a mechanism able to operate at latitudes among 0° and 50°. Designconsiderations and vibration analysis are also discussed in the paper. Finally, an energy assess-ment, to evaluate system performances with respect to other solutions based onfixed solarpanels, is provided| File | Dimensione | Formato | |
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