Seoul National University of Technology 1 Design Project Design Project Sung-mok Seo Sung-mok Seo Ok-nam Lee Ok-nam Lee Yoon-ho Na Yoon-ho Na Su-min Park Su-min Park
Mar 26, 2015
Seoul National University of Technology 1
Design ProjectDesign ProjectSung-mok SeoSung-mok Seo
Ok-nam LeeOk-nam LeeYoon-ho NaYoon-ho Na
Su-min ParkSu-min Park
Toy gun/DSP
Aluminum Body
Mass=0.7189kg
MotorMotor
4Seoul National University of Technology
RS-226
DC: 4.8~7.2VSpeed: 0.20 s/60degreeTorque: 26kg*cmWeight: 60gSize: 41*20*38mm
Components & WeightComponents & Weight 12 Motors : 60g*12=720g12 Motors : 60g*12=720g 2 Motors : 60*2=120g2 Motors : 60*2=120g Battery : Less than 800gBattery : Less than 800g Camera : Generally 100~150gCamera : Generally 100~150g Toy gun : 390gToy gun : 390g DSP board : 100gDSP board : 100g Aluminum 2T-5052 : Less than 800g Aluminum 2T-5052 : Less than 800g Other parts : 100g Other parts : 100g
5Seoul National University of Technology
Modeling
Torque calculation
Total weight for the body : 2
Motors+Battery+Camera+DSP+Al+Parts
120+800+150+390+100+800 +100 < 120+800+150+390+100+800 +100 < 2.5kg 2.5kg
Body Size - 20cm*20cm
Total Torque = Weight*Distance = 2.5kg*19cm = 47.5kg*cm
In case of movement, only two legs put on ground. Therefore, torque for one leg in that case..
Total Torque/2=47.5/2=23.75kg*cm
RS-226 torque is 26 > 23.75
Torque calculation
20cm
2.5kg
To make frames
CNC machine
Size : 600 * 700 * 80 mm
Materials : Plastic, Al, Acryl
Accuracy : 0.05mm
Control Part
We’ve… - Studied the motor(RX-28) - Understood a C language example provided - Studied circuits : Power supply, Switch circuit , communication circuit - bought circuit stuffs
We will… - buy RS-226 motors
- study how to control servo motor
Control Part
12Seoul National University of Technology
Q & AQ & A
Thank youThank you