Last updated:

Project:DEIMOS
Stage:Guider TV Filter Wheel
ID #:KDTV-002A
Engineer: T. Freeman

Mechanical Description of Stage: Single 8-position filter wheel.  "User" selectable filters in cells in the wheel.

 

Electronic Description of Stage: Standard unconstrained rotory stage with standard fiducial.

 

Required setting accuracy :

Performance requirements and design goals
Component Requirements 1
Motors:  Galil #50-1000 -
Gearbox:- -
Limits 2:- -
Fiducials:-TRW #OPB-970-T55 -
Encoders: BEI #MX213-25-1000 (4000 quadrature counts/rev) -
Air Cylinders:- -
Air Solenoids:- -
Lock/Clamp/Brake:- -
Interlocks:- -
  1. Speed, temperature, accuracies, electrical power, pressurized air, lubricant, coolant, N2 purge, ...
  2. Primary (inner) and secondary (outer) limits. These can be magnetic, optical, or physical contact
Manufacturer's specifications and limitations
Component Maximum Operating Condition  Safe Ops Condition  Requirements 
Motors: Galil #50-1000 -3750 RPM 1.45 Nm peak torque - -
Gearbox: - - -
Limits: - - -
Fiducials: - - -
Encoders: - - -
Air Cylinders: - - -
Air Solenoids: - - -
Lock/Clamp/Brake: - - -

Final Mechanical Assembly and Testing Results

Motor tuning parameters under different spacial orientations and environment
Parameter  Neutral Gravity  Uphill 1 Downhill  Cold  Cold Uphill 
PID Filter: KP: - - - - -
KI: - - - - -
KD: - - - - -
Acceleration (pulses/sec^2): - - - - - -
Deceleration (pulses/sec^2): - - - - - -
Speed (pulses/sec): - - - - - -
Other: - - - - - -
  1. Uphill defined as motor (or driven end of shaft) in lowest position

 
Rotary Stage (unconstrained)
Distance from "home"  Position Motor Counts  Physical Units Time to Reach
Position # 1 - - -
2 - - -
3 - - -
4 - - -
5 - - -
6 - - -
7 - - -
8 - - -
1 revolution CW
CCW

 


 
Resolution of Stage
Encoder Counts/Inch Counts/Millimeter Counts/Degree
On Motor - - -
On Stage - - -

NOTES:

Mechanical Drawing(s) # D8220

Electronic Drawing(s) # EL-3050

Sign conventions are such that a positive motion of the motor turns the motor in a CW direction as viewed from the drive shaft looking back into the motor, and will the drive the stage towards the forward limit.