Advise and examples on simple drive designs

Skid (Tank) Steering
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1. Skid (Tank) Steering

2.Skid (Tank) Steering ROBOT A B

3. Building a Robot Skid (Tank) Steering ROBOT How to be sure it A B will go straight?

4. Building a Robot Skid (Tank) Steering ROBOT How to be sure it A B will go straight?

5. Building a Robot Skid (Tank) Steering B OT RO A B How to be sure it will rotate correctly?

6. Building a Robot Skid (Tank) Steering B OT RO A B How to be sure it will rotate correctly?

7. Building a Robot Skid (Tank) Steering ROB OT A B How to be sure it will rotate correctly?

8.4 Wheels vs. 2 Wheels BOT RO What is better, four wheels or two wheels?

9. Building a Robot 4 Wheels vs. 2 Wheels ROB OT O BOT R Think always about the center of gravity for your wheeled vehicle

10.Building a Robot 4 Wheels vs. 2 Wheels ROB OT O BOT R

11.Center of Gravity Bad designs? good designs?

12.Building a Robot Center of Gravity Often the answer depends on your requirements, the specification of the robot

13.Building a Robot Center of Gravity

14.Building a Robot Center of Gravity

15.Wheelbase

16.Building a Robot Wheelbase

17.Building a Robot Wheelbase You must consider early in design how you want your robot to rotate and move in narrow spaces.

18.Building a Robot Wheelbase

19.Chain Alignment • Important aspect of design is the motor alignment of chains, gears or pulleys. • This relates also to cams and fourbars.

20.Supporting Shafts motor

21. Building a Robot Supporting Shafts motor Shafts must be well-supported!

22. Building a Robot Supporting Shafts motor • This is a really bad design. • Many early designs from this class were like this, although I told students not to do this.

23.Building a Robot Supporting Shafts motor

24.Building a Robot Supporting Shafts motor

25.Building a Robot Supporting Shafts motor

26. Building a Robot Supporting Shafts motor

27. Building a Robot Supporting Shafts motor Best designs, If you can.

28. Pivots • There are many pivots in robot arms, head, legs, etc. • Do not forget to design them well Teflon Nylock Washer Nylock Steel Washer

29. Robot Base Example It is good to have some experience with advanced robot kits like Tetrix of Vex before you design your own robot parts.