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首页> 外文会议>AHS Specialists Conference on Aeromechanics Design for Transformative Vertical Flight >Performance Comparison of Quadcopters with Variable-RPM and Variable-Pitch Rotors
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Performance Comparison of Quadcopters with Variable-RPM and Variable-Pitch Rotors

机译：可变RPM和可变间距转子的Quadcopters的性能比较

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Use of variable-pitch rotors was compared against variable-RPM rotors on a 2kg (20N) quadcopter. To generate 5N of thrust in hover while maintaining a 2:1 maximum thrust-to-weight ratio, the variable-pitch rotor required 29% more power. At low climb rates the variable-RPM rotor requires less power, but near its maximum rate it required more power than the variable-pitch rotor. The maximum climb rate for the variable-pitch rotor was up to 70% greater than the variable-RPM rotor. A quadcopter equipped with variable-pitch rotors required more power to operate compared to the aircraft with variable-RPM rotors over its operational airspeed range. The variable-pitch quadcopter required 30% more power at best-endurance speed, and had 18% less range than the variable-RPM quadcopter (at maximum-range speed). The 1/rev root drag shear was 42% larger for the variable-RPM rotor, and the 2/rev H- and Y-forces were 37% and 50% larger. The 2/rev thrust vibration was 6.5% smaller for the variable-RPM rotor, and the hub pitching and rolling moments were 11% and 9% smaller, respectively. Unlike the quadcopter equipped with variable-pitch rotors, the quadcopter equipped with variable-RPM rotors experienced a beating phenomenon in the aircraft-level vibratory loads.
机译：将可变间距转子的使用与2kg（20n）Quadcopter上的可变变压器进行比较。为了在保持2：1的最大推力比的同时在悬停中产生5N的推力，可变节距转子需要29％的功率。在低爬升速率下，可变RPM转子的功率较低，但近最大速率，它需要比可变音调转子更多的功率。可变间距转子的最大升降速率高于可变RPM转子的70％。配备有可变间距转子的Quadcopter需要在其运行空速范围内与具有可变RPM转子的飞机相比运行的电力。可变间距Quadcopter以最佳耐力速度需要30％的功率，并且比可变RPM Quadcopter（以最大范围速度）的范围减少18％。变量RPM转子的1 / Rev根阻力剪切为42％，2 / Rev H-and Y力为37％和50％更大。可变RPM转子的2 / Rev推力振动为6.5％，毂俯仰和滚动矩分别为11％和9％。与配备有可变间距转子的Quadcopter不同，配备可变RPM转子的Quadcopter在飞机级振动载荷中经历了跳动现象。

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