PROPELLER TEST BENCH DENGAN
BRUSHLESS MOTOR 720 KV BERBASIS
PROGRAM OPENSOURCE ARDUINO
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Institusion
INSTITUT TEKNOLOGI DIRGANTARA ADISUTJIPTO
Author
AISYAH, SITI
Subject
T Technology (General)
Datestamp
2024-05-06 02:42:34
Abstract :
Propeller test bench test equipment has been made in previous research, so this research carried out developments in form of frame structure design, frame materials used, and components. The initial stage of the research was carried out by designing a propeller test bench model using CATIA software, then carrying out a structural analysis aimed at determining strength structure, then making and assembling propeller test bench according to design. This propeller test bench uses an Arduino device as microcontroller component so that output reading RPM and thrust values can be as expected with an error accuracy rate of below 5%, using a 720 KV brushless motor. In this test, propellers with sizes 14x7 and 14x8 are used as recommended in brushless motor manual. Solution method that will be used in carrying out this research use experimental method. Experimental with schematic flow, adapter supplies electricity to ESC which is then transmitted to motor so that motor gets power to rotate propeller and then gets output in form thrust value data displayed on LCD. Retrieve thrust value data by testing several times until get appropriate value. Results structural analysis, it was found maximum von-mises stress value that occurs in engine structure pole is located in connector component on pole that is in contact with top pole, the value is 42,4 MPa, the margin of safety is 4,04, so it can be concluded structure is safe, and maximum deformation that occurs on propeller test bench is located at the engine mounting with a value 19,5 mm. Thrust value was compared with manufacturer's data and average difference between two results was a maximum of 3,34% and a minimum of 0,70%. On 14x7 propeller average error was 1,96%, while on the 14x8 propeller error was 2,36%. From average error produced, it can be said that test equipment has good accuracy.
Propeller test bench test equipment has been made in previous research, so this research carried out developments in form of frame structure design, frame materials used, and components. The initial stage of the research was carried out by designing a propeller test bench model using CATIA software, then carrying out a structural analysis aimed at determining strength structure, then making and assembling propeller test bench according to design. This propeller test bench uses an Arduino device as microcontroller component so that output reading RPM and thrust values can be as expected with an error accuracy rate of below 5%, using a 720 KV brushless motor. In this test, propellers with sizes 14x7 and 14x8 are used as recommended in brushless motor manual. Solution method that will be used in carrying out this research use experimental method. Experimental with schematic flow, adapter supplies electricity to ESC which is then transmitted to motor so that motor gets power to rotate propeller and then gets output in form thrust value data displayed on LCD. Retrieve thrust value data by testing several times until get appropriate value. Results structural analysis, it was found maximum von-mises stress value that occurs in engine structure pole is located in connector component on pole that is in contact with top pole, the value is 42,4 MPa, the margin of safety is 4,04, so it can be concluded structure is safe, and maximum deformation that occurs on propeller test bench is located at the engine mounting with a value 19,5 mm. Thrust value was compared with manufacturer's data and average difference between two results was a maximum of 3,34% and a minimum of 0,70%. On 14x7 propeller average error was 1,96%, while on the 14x8 propeller error was 2,36%. From average error produced, it can be said that test equipment has good accuracy.
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