Reference governor design for computationally efficient attitude and tether tension constraint enforcement on a lighter-than-air wind energy system

摘要: In this paper, we propose a reference governor-based approach to guarantee enforcement of critical flight constraints on the Altaeros tethered, lighter-than-air wind energy system. While high-altitude made available by tethered system leads significant increases in power production over traditional, tower-mounted systems, freedom motion resulting from tethers and aerodynamic shell introduces attitude tether tension constraints. To date, methods considered for enforcing these have relied upon heuristic static maps or model predictive control (MPC). The former cannot transient constraint satisfaction, whereas latter is computationally burdensome given Altaeros's current microcontroller capabilities. pursued paper uses governor, which simple add-on existing controller that enforces steady-state methodology proposed demonstrated through simulations linear nonlinear models longitudinal dynamics with gust disturbances.