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oopps...almost forget is my turn to post today...^^
Anyways, is week 5 already~ we need to work hard now. Since our new robot did not come out yet. We need to get everything ready.Today, was a busy day for sam and chen. Before starting our programing. Everybody working together helping sam with the BLANK SCIENCE FAIR POSTER. lol. Ms. Kim came early today. And we discussed about how our deadband work for the turret. Ms owens found out a new idea to program the turret instead of using deadband--- PID vi. Ms Kim taught us about how different PID vi. work.
PID vi. for simple PI application or high speed control.
PID ADVANCED vi. = PID vi.+ manual control with bumpless manual to automatic transition.
PID autoturnning vi.inputs and output of this VI can be used to set autotuning parameters.
We can use formular to convered the servo angles to analog voltage. And use the analog voltage to set as the PID process variable to control the turret. As we tested on the PID vi. on a constance value. The turret would turn to fast in the begining. Once it get closer to the range of the that value. turret would slow down.Very Slowly.
Our two girls was working on the switch today. They were soldering the resister to the pwm cable.(pic)
Chen was sleeping for the whole day. Since he worked on science for 24 hours no sleeping. lol..
Picture would uplode later...
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