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Helicopter Control Energy Reduction Using Moving Horizontal Tail
#MMPMID26180841
Oktay T
; Sal F
ScientificWorldJournal
2015[]; 2015
(?): 523914
PMID26180841
show ga
Helicopter moving horizontal tail (i.e., MHT) strategy is applied in order to
save helicopter flight control system (i.e., FCS) energy. For this intention
complex, physics-based, control-oriented nonlinear helicopter models are used.
Equations of MHT are integrated into these models and they are together
linearized around straight level flight condition. A specific variance
constrained control strategy, namely, output variance constrained Control (i.e.,
OVC) is utilized for helicopter FCS. Control energy savings due to this MHT idea
with respect to a conventional helicopter are calculated. Parameters of
helicopter FCS and dimensions of MHT are simultaneously optimized using a
stochastic optimization method, namely, simultaneous perturbation stochastic
approximation (i.e., SPSA). In order to observe improvement in behaviors of
classical controls closed loop analyses are done.