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DroneProject

##๋“œ๋ก  ๊ฐœ๋ฐœ ์ง„ํ–‰ img

###๋ชฉํ‘œ

  1. DIY ๋“œ๋ก ์„ ์œ„ํ•œ ์ •๋ณด ๊ณต์œ 
  • ๋“œ๋ก ์— ์‚ฌ์šฉ๋œ ๋ชจ๋“  ๋ถ€ํ’ˆ๋“ค๊ณผ ๋‹จ๊ฐ€๊นŒ์ง€ ๊ณต๊ฐœํ•˜์—ฌ ์‹ค์ œ ์šฐ๋ฆฌ ๋“œ๋ก ๊ณผ ๋˜‘๊ฐ™์ด ๊ฐœ๋ฐœํ•  ์ˆ˜ ์žˆ๋Š” ํ™˜๊ฒฝ์„ ์ œ๊ณตํ•œ๋‹ค.
  1. ํŠน์ • ์ง€์ ์„ ๊ฐ€๊ธฐ ์œ„ํ•œ ๋“œ๋ก  ๊ธฐ์ˆ  ๊ตฌํ˜„ -๋“œ๋ก ์˜ ๊ธฐ๋ณธ์ ์ธ ๊ธฐ์ˆ ์„ ๊ตฌํ˜„ํ•˜๊ณ , GPS๋ฅผ ์ด์šฉํ•œ ํŠน์ • ์ง€์ ๊นŒ์ง€ ๋“œ๋ก ์ด ์ž์œจ ๋น„ํ–‰ํ•˜๋Š” ๊ธฐ์ˆ ์„ ๊ตฌํ˜„ํ•œ๋‹ค.

###์‹œ์Šคํ…œ ๊ตฌ์กฐ๋„ img

###Drone Firmware (STM32F103RET6)

  • Hexa Copter
  • ARM Cortex-m3 STM32F103RET6 ๋ณด๋“œ
  • C Language
  • 9์ถ•์„ผ์„œ, ์ดˆ์ŒํŒŒ ์„ผ์„œ, GPS ๋ชจ๋“ˆ Wifi ๋ชจ๋“ˆ์„ ํƒ‘์ œ
  • Wifi -Module์„ ์ด์šฉํ•˜์—ฌ Android App๊ณผ ์—ฐ๋™
  • ํ˜ธ๋ฒ„๋ง ๋ฐ ์œ„์น˜ ์ด๋™ ์ปจํŠธ๋กค ๊ฐ€๋Šฅ

####์‚ฌ์šฉ ๋ถ€ํ’ˆ

NO ํ•ญ๋ชฉ ๋ถ€ํ’ˆ๋ช… ์ˆ˜๋Ÿ‰
1 ๋ฉ€ํ‹ฐ์ฝฅํ„ฐ ํ”„๋ ˆ์ž„ [TAROT] FY690S ํ—ฅ์‚ฌ์ฝฅํ„ฐ ARF Set 1
2 ARM Board STM32_64P MCU Board 2
3 AHRS EBIMU-9DOFV2 (AHRS, ์ž์ด๋กœ3์ถ•,๊ฐ€์†๋„3์ถ•,์ง€์ž๊ธฐ3์ถ•) 1
4 ๋Œ€๊ธฐ์•• ์„ผ์„œ Barometric Pressure Sensor Module : LPS25 1
5 WiFi Module WiFi Module - ESP8266 [WRL-13678] 1
6 GPS Module ๊ณ ์ •๋ฐ€ GPS๋ณด๋“œ [AKBU5] USB ์ถœ๋ ฅ=USB ์ถœ๋ ฅ, ์•ˆํ…Œ๋‚˜ ํƒ€์ž…=SMA, ์•ˆํ…Œ๋‚˜=์•ˆํ…Œ๋‚˜, ์ปค๋„ฅํ„ฐ=6ํ•€ ์ปค๋„ฅํ„ฐ 1
7 ๋ฐฐํ„ฐ๋ฆฌ 22.2v 6s 5400ma (35~70c) ๋ฆฌํŠฌํด๋ฆฌ๋จธ ๋ฐฐํ„ฐ๋ฆฌ 2
8 ์ „์•• ์ฒด์ปค ๋ฆฌํŠฌ ํด๋ฆฌ๋จธ ์ „์•• ์ฒด์ปค ๋ฐ์ €์ „์•• ๊ฒฝ๋ณด์žฅ์น˜ (1~8์…€ / 3.7v ~ 29.6v) 1
9 UBEC UBEC DC/DC Step-Down (Buck) Converter - 5V @ 3A output 1
10 LED PP592-8L63-Star 3W Yellow Power LED 4
11 LED PP625-8L63-Star 3W RED Power LED 2
12 ํ”„๋กœํŽ ๋Ÿฌ APC 12X3.8SFP ์—ญํ”ผ์น˜ Prop 3
13 ํ”„๋กœํŽ ๋Ÿฌ APC 12X3.8SF ์ „๋™์šฉ Prop 3
14 ํ”„๋กญ๊ฐ€๋“œ ํ—ฅ์‚ฌ์ฝฅํ„ฐ_EPPํ”„๋กญ๊ฐ€๋“œ 1

####ํšŒ๋กœ๋„ img

####ESC ์„ธํŒ…

  • ESC(์ „์ž๋ณ€์†๊ธฐ)๋Š” BLDC๋ชจํ„ฐ๋ฅผ ์ œ์–ดํ•˜๊ธฐ ์œ„ํ•œ ๋ชจ๋“ˆ.
  • ๋Œ€๋ถ€๋ถ„์˜ ESC๋Š” PWMํŒŒํ˜•์œผ๋กœ ์ œ์–ดํ•˜๋ฉฐ, ๊ทธ ์ฃผ๊ธฐ๋Š” 50Hz ๋˜๋Š” 400Hz์ด๋‹ค.
  • ESC๋ฅผ ์„ธํŒ…ํ•˜๊ธฐ ์œ„ํ•ด์„  ์ œ์กฐ์‚ฌ ๋งˆ๋‹ค ๋‹ค๋ฅด์ง€๋งŒ ์ผ๋ฐ˜์ ์œผ๋กœ ์ถœ๋ ฅํŒŒํ˜•์„โ€“ 30% - 0% ->50% ์ˆœ์œผ๋กœ ์ฃผ๋ฉด ๋œ๋‹ค.

####PID ์ œ์–ด

  • ๋น„๋ก€, ์ ๋ถ„, ๋ฏธ๋ถ„ ์ œ์–ด๋ฅผ ํ†ตํ•ด ์›ํ•˜๋Š” ๋ชฉํ‘œ์น˜์— ์ˆ˜๋ ดํ•˜๊ธฐ ์œ„ํ•œ ์ œ์–ด ์‹œ์Šคํ…œ

  • P(๋น„๋ก€) ์ œ์–ด : ํ˜„์žฌ ๊ฐ’๊ณผ ๋ชฉํ‘œ ๊ฐ’์— ๋Œ€ํ•œ ์˜ค์ฐจ ๋น„๋ก€๋ฅผ ํ†ตํ•ด ๊ทธ ๊ฐ’์„ ์ œ์–ด

  • I(์ ๋ถ„) ์ œ์–ด : ์˜ค์ฐจ ๊ฐ’์„ ๊พธ์ค€ํžˆ ๋ˆ„์ ํ•˜์—ฌ ์ •์ƒ ์˜ค์ฐจ๋ฅผ ์ œ๊ฑฐํ•˜๊ธฐ ์œ„ํ•ด ์‚ฌ์šฉ

  • D(๋ฏธ๋ถ„) ์ œ์–ด : ์ด์ „ ์˜ค์ฐจ์™€ ํ˜„์žฌ ์˜ค์ฐจ์˜ ์ฐจ์ด๋ฅผ ํ†ตํ•ด ์˜ค๋ฒ„์ŠˆํŠธ๋ฅผ ์ œ๊ฑฐํ•˜๋Š” ๋ชฉ์ ์œผ๋กœ ๋ชฉํ‘œ์น˜์— ๋น ๋ฅด๊ณ  ์ •ํ™•ํ•˜๊ฒŒ ๋„๋‹ฌํ•˜๊ธฐ ์œ„ํ•ด ์‚ฌ์šฉํ•˜๋Š” ์ œ์–ด img

  • ํ—ฅ์‚ฌ์ฝฅํ„ฐ์ด๊ธฐ ๋•Œ๋ฌธ์— ๊ฐ ์ถ•์— ๋”ฐ๋ฅธ PID ์ œ์–ด ๊ฐ’์„ ๋‹ค๋ฅด๊ฒŒ ์„ค์ •ํ•ด์ฃผ์–ด์•ผ ํ•œ๋‹ค. ์•„๋ž˜์˜ ๊ทธ๋ฆผ์€ ๋ชจํ„ฐ์˜ ์œ„์น˜์™€ ์ œ์–ด ์ถ•์— ๋”ฐ๋ฅธ ์ œ์–ด ๋น„ ์ด๋‹ค. img

####3D ํ”„๋ฆฐํŠธ

  • ์ดˆ์ŒํŒŒ ์„ผ์„œ์˜ ์žฅ์ฐฉ๊ณผ ESC, LED ์žฅ์ฐฉ์„ ์œ„ํ•ด ์„ค๊ณ„
  • Roll, Pitch ์ถ•์˜ PID ์ œ์–ด ํ…Œ์ŠคํŠธ๋ฅผ ์œ„ํ•ด ์ œ์ž‘
  • Solid Works 2013 ํ”„๋กœ๊ทธ๋žจ์„ ํ†ตํ•ด ์ œ์ž‘ img

###ํœด๋Œ€ํฐ ์–ดํ”Œ (WifiTest)

  • APํ™•์ธ (ํœด๋Œ€ํฐ์—์„œ ๋“œ๋ก ์‹œ์—๋งŒ ๋ฉ”์ธํŽ˜์ด์ง€๋กœ ๋„˜์–ด๊ฐˆ ์ˆ˜ ์žˆ๊ฒŒ๋” ํ•จ. ์ด๋ฅผ ์œ„ํ•ด์„œ ํ˜„์žฌ ๋‚˜์˜ ์™€์ดํŒŒ์ด ์—ฐ๊ฒฐ ์ƒํƒœ์™€ ์ ‘์†ํ•œ ์™€์ดํŒŒ์ด๋ฅผ ๋น„๊ตํ•œ๋‹ค.)
  • ์กฐ์ด์Šคํ‹ฑ ๊ตฌํ˜„ (๋“œ๋ก ์„ ์กฐ์ •ํ•˜๊ธฐ ์œ„ํ•ด ์กฐ์ด์Šคํ‹ฑ์—์„œ ์‚ฌ์šฉ์ž๊ฐ€ ์ž…๋ ฅํ•œ ๊ฐ๋„๊ฐ’๊ณผ ์กฐ์ •๊ธฐ ๋ฐฉํ–ฅ์— ๋Œ€ํ•œ ๊นŠ์ด๊ฐ’์„ ์ธก์ •ํ•œ๋‹ค)
  • ํ†ต์‹ (ํ†ต์‹ ์€ ์†Œ์ผ“ํ†ต์‹ ์œผ๋กœ ๊ตฌํ˜„ํ•˜์˜€์œผ๋ฉด ๋“œ๋ก ์ด ๋ฟŒ๋ ค์ฃผ๋Š” ์™€์ดํŒŒ์ด์— ์ ‘์†์‹œ์— ์ด๋ฃจ์–ด ์ง„๋‹ค. ํ†ต์‹ ์œผ๋กœ ๋“œ๋ก ์˜ ์ฒ˜์Œ ์‹œ์ž‘์œ„์น˜ ์ขŒํ‘œ์™€ ๋„์ฐฉ์ง€์  ์ขŒํ‘œ, ์กฐ์ด์Šคํ‹ฑ ์กฐ์ •๊ฐ’์„ ์ „์†กํ•œ๋‹ค.)
  • ๊ตฌ๊ธ€๋งต (๊ตฌ๊ธ€๋งต์„ ํ™œ์šฉํ•˜์—ฌ ๋“œ๋ก  ๋น„ํ–‰์˜ ์‹œ์ž‘์œ„์น˜์™€ ๋„์ฐฉ์œ„์น˜๋ฅผ ์ง€์ • ๋ฐ ํ™•์ธํ•  ์ˆ˜ ์žˆ๋‹ค ์ด๋ฅผ ํ”„๋ ˆ๊ทธ๋จผํŠธ๋กœ ๊ตฌํ˜„ํ•˜์—ฌ ๋งต๊ณผ ์กฐ์ด์Šคํ‹ฑ์„ ๋ณผ ์ˆ˜ ์žˆ๋„๋ก ์„ค์ •) img

####PID ์–ดํ”Œ (PIDTest)

  • ์ง€์†์ ์ธ ๊ฐ’ ๋ฐ›๊ธฐ (๋“œ๋ก ์—์„œ ๋ณด๋‚ด์ฃผ๋Š” roll, pitch, yaw, height๊ฐ’์„ ์ง€์†์ ์œผ๋กœ ๋ฐ›๊ธฐ ์œ„ํ•ด์„œ ์“ฐ๋ ˆ๋“œ์—์„œ ๊ฐ’์ด ์™”์„ ๊ฒฝ์šฐ ์ด๋ฅผ ๋ฐ›๊ณ  TextView์—์„œ ๋ณด์—ฌ์ง€๋„๋ก ์–ดํ”Œ์„ ๊ตฌ์ƒํ•˜์˜€๋‹ค)
  • ๊ฐ’ ์„ธํŒ… (๋“œ๋ก ์˜ ์ค‘์‹ฌ์„ ์žก๊ธฐ ์œ„ํ•ด KP, KI, KD๊ฐ’์ธ ๊ฐœ์ธ๊ฐ’์„ ๊ตฌํ•ด์•ผํ•œ๋‹ค. ๊ฐœ์ธ๊ฐ’์„ ์žก๊ธฐ ์œ„ํ•ด ๊ฐ’๋“ค์„ ์„ธํŒ…ํ•˜์—ฌ ๋ณด๋‚ด์ฃผ๋„๋ก ํ•˜์˜€๋‹ค)
  • ์‹œ์ž‘ ๋ฐ ์ข…๋ฃŒ (๋“œ๋ก ์˜ ๊ฐ€๋™์„ ์œ„ํ•ด start์™€ stop์œผ๋กœ start์‹œ์— ๋ชจํ„ฐ์˜ ์ถœ๋ ฅ๊ฐ’์„ ๋“œ๋ก ์—๊ฒŒ ์ „์†กํ•˜๊ณ  stop์‹œ ์ข…๋ฃŒ๊ฐ’์„ ์ „์†กํ•œ๋‹ค) img

####์†Œ์ผ“ ์„œ๋ฒ„ (ServerTest.java)

  • ๋“œ๋ก ๊ณผ ํ†ต์‹  ํ…Œ์ŠคํŠธ ์ „์— ๋งŒ๋“ค์—ˆ์œผ๋ฉฐ ํด๋ผ์ด์–ธํŠธ์—์„œ ์ ‘์†ํ•˜๋Š” ์ด์ƒ ์œ ๋ฌด์— ๋Œ€ํ•ด ์•Œ๊ธฐ ์œ„ํ•ด ๋งŒ๋“ฆ
  • ํด๋ผ์ด์–ธํŠธ์—์„œ ์ฃผ๋Š”๊ฐ’์„ printํ•˜๊ณ  ์ฒ˜์Œ roll, pitch, yaw ๋“ฑ์˜ ๊ฐ’์„ ๋ณด๋‚ด์ฃผ์–ด ์•ˆ๋“œ๋กœ์ด๋“œ์—์„œ ์ด ๊ฐ’์„ ๋ณผ ์ˆ˜ ์žˆ๋‹ค.

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