1 System Development Example System Development [Dual-Axis Searchlight Pedestal]

2 System Development Example  Direct drive and incremental encoders for each axis  to enhance accuracy  RS-232 or CAN  to reduce slip-rings number  Brushless axial-flux motors  to boost the dynamics  to squeeze the length  Sinusoidal digital control  to enhance accuracy  Rotated elevation drive  to reduce slipring channels number n System Approach

3 System Development Example n Design Principles Radome Payload Elevation drive module Elevation stage Azimuth motor Pedestal interface Base Driver module Slipring-azimuth encoder ASSY

4 System Development Example n Sketch for SRR

5 System Development Example PEDESTAL BASE xx 10.2% ROUND SHIELD xx 7.6% SLIPRING ASSY xx 8.1% AZIMUTH DRIVE MODULE xx 14.7% AZIMUTH MOTOR xx 19.3% ELEVATION STAGE xx 17.1% ELEVATION DRIVE MODULE xx 8.6% RADOME xx 12.7% MISCELNIOUS xx 1.6% PEDESTALXXXX n Weight sharing