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The feasibility of application in helicopter flight tests of Iow cost instrumentation composed of lnertial Measurement Unit and GPS receiver was investigated both by simulations and during flight tests. The IMU composed of three one-axial piezoelectric gyroscopes and a three axial accelerometer was designed, manufactured and integrated with GPS receiver. The Kalman signal filtering technigue was applied...
Awaria napędu śmigłowca wiąże się z koniecznością przejścia do lotu autorotacyjnego i zazwyczaj natychmiastowego lądowania. Własności lotne śmigłowca w autorotacji ograniczone są przez konieczność zapewnienia odpowiedniej prędkości obrotowej wirnika nośnego, możliwie małej prędkości opadania, oraz uniknięcia stref niebezpiecznych kombinacji prędkości i wysokości oraz stanu pierścienia wirowego. W...
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