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22 lines
615 B
22 lines
615 B
/* SpeedToFly class by Samuel Tabor, 2021. |
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Calculates the optimal speed to fly given drag polar, expected climb rate in next thermal and |
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horizontal and vertical air movement between thermals. |
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*/ |
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#pragma once |
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#include "Variometer.h" |
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class SpeedToFly { |
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float _CL_estimate = -1.0f; |
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const Variometer::PolarParams &_polarParams; |
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public: |
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SpeedToFly(const Variometer::PolarParams &polarParams) :_polarParams(polarParams) {} |
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void update(float Wx, float Wz, float Wexp, float CLmin, float CLmax); |
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float speed_to_fly(void) {return _CL_estimate>0 ? sqrtf(_polarParams.K/_CL_estimate) : -1.0f;}; |
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};
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