FIELD: physics, navigation.
SUBSTANCE: invention relates to ACS and is intended for locking of moving components of onboard antenna. Claimed device comprises contactless torque motors engaged via reduction gearbox with gimbal suspension axles. Antenna curtain is fitted on inner frame of said suspension. Besides, this device comprises motor control unit and onboard power supply. Also, it is equipped with commutators connected to onboard power supply and bridges connected to normally-closed contacts of commutators to motor windings. Note here that control unit is connected to motor windings via normally-open contacts of commutators.
EFFECT: ruled out antenna failure caused by kicking of its moving parts against limiters at manoeuvre owing to braking of said parts by shunting the motor windings at failure of power supply.
2 dwg
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|---|---|---|---|
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|
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