AMCOM MK66 Guidance Module

Servo Driving 20mA, 5V line (low current/low voltage line) 20mA, 5V line (low current/low voltage line) Need to drive servo of 12V and 500mA to over 1A (high current line/medium voltage) Need to drive servo of 12V and 500mA to over 1A (high current line/medium voltage) Discussed possibility of using transformers, op- amps, step-up converter, other specific servo drive systems, etc. Discussed possibility of using transformers, op- amps, step-up converter, other specific servo drive systems, etc. ADP3000 – step-up/step-down switching regulator ADP3000 – step-up/step-down switching regulator National Semiconductor - LM2577 – simple switcher step-up regulator (ability to customize) National Semiconductor - LM2577 – simple switcher step-up regulator (ability to customize)

Servo Line Signals Send high-level output to line driving device Send high-level output to line driving device Once servo deflection occurs, stop while line voltage still high, return to neutral when line voltage low Once servo deflection occurs, stop while line voltage still high, return to neutral when line voltage low One line each for positive and negative deflection One line each for positive and negative deflection Drive Voltage = (Circuit V) AND (Sensor V)’ Drive Voltage = (Circuit V) AND (Sensor V)’

Simulation…

Simulation Phase 1 RS232 FPGA simulator (program runs here) Navionic input simulation

Simulation Phase 2 RS232 FPGA runs flight software Navionic input simulation

Simulation types Fixed-frame Fixed-frame All inputs predeterminedAll inputs predetermined System follows path, all error conditions knownSystem follows path, all error conditions known Dynamic-frame Dynamic-frame Inputs modified during trial runInputs modified during trial run e.g. addition of crosswinds e.g. addition of crosswinds Path can be set to randomly modify Path can be set to randomly modify

IMU Accel.  position translation routine in progress Accel.  position translation routine in progress Meeting established w/Dr. Milostan Meeting established w/Dr. Milostan Completion date Completion date Integration into simulation by April Integration into simulation by April

Construction Female Interface: Female Interface: Previous: New:

More Construction Male Interface: Male Interface:

More More Construction Outer Shell: Outer Shell: 3.809” (nominal 3.75”) to 3.76” OD3.809” (nominal 3.75”) to 3.76” OD Wall thickness 7/32” to 1/16”Wall thickness 7/32” to 1/16” Lathe utilizedLathe utilized

Construction To Do List: Cut stub acme threads (internal and external) for both female and male, respectively Cut stub acme threads (internal and external) for both female and male, respectively Professionally machined due to lack of tool and time Professionally machined due to lack of tool and time Finishing Touches using Mill and Lathe Finishing Touches using Mill and Lathe

Servomotor!!!

To Do: Finalizing design on actuation mechanism Finalizing design on actuation mechanism Ordering planetary gear Ordering planetary gear Finishing construction on interfaces and outer shell Finishing construction on interfaces and outer shell