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Hardware Design of the FAST-LAB Autonomous Drone

0.Preview

​ This project introduces the hardware design and assembly process of the FAST-LAB autonomous drone. This drone can be applied in autonomous flight in unknown environment, swarm flight, for example. The following projects are on based on the introduced drone:Ego-Planner Ego-Swarm CMPCC Fast-Tracker Fast-Racing

1. Basic Hardware Formation

1.jpg

  • The basic hardware of a drone that can be controlled by a remote controller are: frame, motor, ESC, flight controller, receiver, remote controller, li-po battery, voltmeter, etc.

  • Based on the basic hardware, an autonomous drone need two more parts: a stereo camera for visual localization, an onboard computer for running navigation algorithms.

  • The following sheet contains the model, quantity, and purchasing link(we only offer the taobao link,and developer overseas may have to look up the device in other purchasing channel. In theory, every similar model works.)

Device Model Quantity Unit Price Total Price 淘宝链接
Frame QAV250 1 38 38 https://item.taobao.com/item.htm?spm=a1z09.2.0.0.2abd2e8da0sHzh&id=520738516076&_u=l32egecqf290
ESC EMAX 45A 4 89 356 https://item.taobao.com/item.htm?spm=a1z09.2.0.0.2abd2e8da0sHzh&id=627250691828&_u=l32egecq104a
Motor T-MOTOR F60 KV2550 4 159 636 https://item.taobao.com/item.htm?spm=a230r.1.14.6.58866126r2mH5j&id=612118488792&ns=1&abbucket=3#detail
Flight Controller CUAV NORA 1 1669 1669 https://item.taobao.com/item.htm?spm=a1z09.2.0.0.2abd2e8da0sHzh&id=618340579779&_u=l32egecq6321
V5+ 1 1499 1499 https://item.taobao.com/item.htm?spm=a1z10.5-c-s.w4002-22188405087.10.39df7ad6BKLAJz&id=594262853015
X7 1 1999 1999 https://item.taobao.com/item.htm?spm=a1z10.5-c-s.w4002-22188405087.22.39df7ad6BKLAJz&id=617384615131
Onboard Computer DJI MANIFOLD2-C 1 8799 8799 https://m.dji.com/cn/product/manifold-2
JETSON XAVIER NX 1 6800 6800 https://detail.tmall.com/item.htm?spm=a230r.1.14.33.351a587bMPOWBh&id=619740546745&ns=1&abbucket=3&skuId=4573153270812
NX carrier 1 889 889 https://item.taobao.com/item.htm?spm=a1z09.2.0.0.40df2e8dWJlaLW&id=613984388047&_u=s32egecqa8ff
Stereo Camera INTEL REALSENSE D435 1 1590 1590 https://item.taobao.com/item.htm?spm=a1z09.2.0.0.2abd2e8da0sHzh&id=638877621060&_u=l32egecq42d1
Remote Controller RadioLink AT9S PRO 1 580 580 https://item.taobao.com/item.htm?spm=a1z09.2.0.0.2abd2e8da0sHzh&id=533085053894&_u=l32egecq481a
Receiver RadioLink R12DSM 1 94 94 https://item.taobao.com/item.htm?spm=a1z09.2.0.0.2abd2e8da0sHzh&id=541658831753&_u=l32egecq5116
Carbon Fiber Board Cumtomized 1 80 80 https://item.taobao.com/item.htm?spm=a1z09.2.0.0.2abd2e8da0sHzh&id=628187754851&_u=l32egecq8290
USB Network Card EDIMAX EW7822ULC 1 188 188 https://item.jd.com/10022884495770.html
3D Print Part Cumtomized 1 100 100 https://wenext.cn/
Battery Tattu 2300mAh 4S 4 125 500 https://item.taobao.com/item.htm?spm=a1z09.2.0.0.2abd2e8da0sHzh&id=583311920871&_u=l32egecq9cf8
TYPEC cable 30cm 2 27 54 https://detail.tmall.com/item.htm?id=617461584216&spm=a1z09.2.0.0.2abd2e8da0sHzh&_u=l32egecq0e19
Paddle GEMFAN 51477 10 14 140 https://item.taobao.com/item.htm?spm=a1z09.2.0.0.2abd2e8da0sHzh&id=627007813072&_u=l32egecqfabf
Tracking Camera (optional) INTEL REALSENSE T265 1 1600 1600 https://item.taobao.com/item.htm?spm=a1z09.2.0.0.2abd2e8da0sHzh&id=638877621060&_u=l32egecq42d1
Silicone Wire some
Voltmeter 1
Dupont Thread some
XT60 Plug 1

It should be noted that, the model selection of flight controller is CUAV NORA(Don't use NORA+, because it doesn't support this repo's firmware), V5+, X7, while any other FCU that supports PX4 firmware works, too. As for the onboard computer, you can choose DJI MANIFOLD 2-C or JETSON XAVIER NX. The STL model of the 3D print part and the carbon fiber board can be found at catalog "model".

2. Disassembly of 3D model

  • MANIFOLD 2-C version:

  • XAVIER NX version:

    3

3. Environment of Onboard Computer

This drone runs at Ubuntu 16.04/18.04 and ROS Kinetic/Melodic, and correlating installation can be found at ROS Installation

4. Assembly

The main difficulty of the assembly lies at the weld of the power suit and the configuration and tuning of the FCU. Please refer to assemble.pdf.