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yiny0730's blog
Posted by yiny0730 | Jan 08, 2012 @ 09:19 PM | 3,852 Views
Keep writting and uploading.

Related files:
0)Working principle of the UAV autopilot-take YS09 as an example:
http://www.rcgroups.com/forums/showa...=4536223&stc=1

1)YS09 UAV Autopilot Specs.pdf :
http://www.rcgroups.com/forums/showa...=4528121&stc=1

2)Hardware&GCS_Draft1.pdf:
http://www.rcgroups.com/forums/showa...=4528122&stc=1

3)Brief English Manual(draft1):
http://www.rcgroups.com/forums/showa...=4528123&stc=1

4)Ground test and failure solving-draft1:
http://www.rcgroups.com/forums/showa...=4547007&stc=1

5)GCS using Google Earth plugin:
http://www.rcgroups.com/forums/showa...6&d=1324894564


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Part1:Working Principle(1)- Servo Control
Diagram1:PWM Signal and Servo COntrol



Notes:
1)PWM signal is at low signal level usually,but it will change to high signal level every 2ms time,and lasts for 1~2 ms,that is ,the pause width is 1~2 ms.
2)The arm of the servo will turn to a certain angle according to the pause width of the PWM signal recieved by the servo.
3)1ms<->+45(Max angle turning CCW),2ms<->-45(Max angle turning CW).
4)The control surface will turn to a certain angle dragged by the servo arm through the rod.
5)+45<->+20(Max angle of the control surface turning CCW),-45<->-20(Max angle
Of the control surface turing CW).
6)1.5ms<->0 of servo arm turning angle<->neutral point of the control surface.
...Continue Reading
Posted by yiny0730 | Jan 03, 2012 @ 10:12 PM | 2,783 Views
Under eidtion.