This video shows the reverse engineering with explanations and the test of the vane control system of a Tornado-S Russian missile.
00:00 - Intro
00:13 - Vane Servo control boards assembly
00:30 - Servo motors
02:20 - Vane (wing)
02:50 - Servo control board
04:20 - Reverse engineering
04:21 - Motor control power stage
06:32 - Servo control loop
07:37 - Feedback potentiometer
08:04 - Motor bridge driver
09:33 - Power supply
10:02 - Bad routing!
10:37 - Demonstration unit
12:23 - Final test assembly
13:02 - Test
Full schematic diagram:
https://mwblog.fr/wp-content/uploads/2024/12/LDM388_sch_A.pdf
Blog:
https://mwblog.fr/ldm-388-tornado-s-missile-vane-control/