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8650976 Gyro stabilizer  
A gyroscope power starter has a housing having a bottom and a concave head slanted at a predetermined angle relative to the housing, the concave head engaging a gyroscope rotor. An electric power...
8210062 Control moment gyroscope array and method of power distribution therefor  
An attitude control system for a spacecraft is disclosed that includes a scissored pair of control moment gyroscopes for delivering an output torque to the spacecraft along a an output axis,...
8205514 Control moment gyroscope  
A control moment gyroscope (CMG) is provided for deployment on a spacecraft. The CMG includes a stator housing, an inner gimbal assembly disposed in the stator housing, and a torque motor coupled...
8164294 Torquer apparatus  
In general, one aspect of the subject matter described in this specification features a torquer apparatus that includes a rotor with magnetic poles such that, when radially projected on a...
8104364 Vibratory gyroscope balanced by an electrostatic device  
Described is a gyroscope with a vibrating structure, produced by micromachining in a thin wafer, which comprises a movable inertial assembly comprising at least one movable mass able to vibrate in...
8061226 System and method for closed loop gyroscope stabilization  
A device for use with a gyroscopic stabilizer for use in an assembly that is moveably connected to a vehicle. The gyroscopic stabilizer has a gyroscope, a skew motor, and a skew motor velocity...
8047090 Method of generating rotation about an output axis and motor for generating rotation about an output axis  
The present invention relates to motors and, more specifically to rotary motors which can supply output motive power about an output axis in response to input rotary power about a different axis....
8020809 Direct torque actuator control for control moment gyroscope  
A control moment gyroscope system for delivering a target torque to a spacecraft including a rotor assembly having a rotor and a motor to spin the rotor about a rotor axis. A gimbal assembly has a...
7997157 Control moment gyroscope  
A control moment gyroscope (CMG) is provided for deployment on a spacecraft. The CMG includes an inner gimbal assembly (IGA), which, in turn, includes an IGA housing, a rotor rotatably coupled to...
7801657 Stability-enhanced traction and yaw control using electronically controlled limited-slip differential  
A control system for a vehicle having first and second wheels is provided that includes a differential apparatus adapted to distribute torque between the first and second wheels and a traction...
7698041 Method for operating a drive unit  
A drive unit includes an engine and a transmission having a variable transmission ratio. An instantaneous setpoint power output quantity of the drive unit is determined from an intended power...
7451667 Precessional device and method  
A precessional device having independent control of the output torque generated by the device and the oscillation rate of the device is disclosed. The device comprises a rotor supported by an axle...
7437961 Gyro power starter  
A power starting dock for gyroscope is comprised of an outer housing that has a bottom and a concave head. The head is slanted at an angle relative to the housing, and engages a gyroscope rotor,...
7437224 Target acquisition control for spacecraft gimballed payload  
A method and apparatus for controlling a gimbaled platform (108). The method comprises the steps of computing an acquisition phase gimbal angle rate command ωcmd—Acq (530) from a measured LOS...
7249531 Control moment gyro for attitude control of a spacecraft  
A control moment gyro comprising a wheel support structure which is mounted on a base by a motor, which is used to rotate the support around a first axis and bearing a wheel arrangement for...
7190097 Cross plane wide-gap motor system for gimbal  
An apparatus for the control and alignment of a sensor on a moving vehicle is provided that includes a gimbal ball supported by an outer axis structure and adapted to pivot about an outer...
7159479 Active damper for stabilized mirrors  
An active damping method for a stabilized mirror, and a corresponding active damper apparatus, comprising providing a tachometer measuring speed of a motor driving the mirror, employing...
7152495 System and method for adaptive cancellation of disturbances  
A disturbance-cancellation system and method is provided that facilitates the adaptive cancellation of periodic disturbances. The disturbance-cancellation system and method includes a pair of...
6973847 Gyroscopic roll stabilizer for boats  
A gyroscopic roll stabilizer for a boat. The stabilizer includes a flywheel, a flywheel drive motor configured to spin the flywheel about a spin axis, an enclosure surrounding a portion or all of...
6860166 Torque induced propulsion system  
A gyroscopic device includes a drive gimbal drive ring spinning about a drive gimbal axis, a precession gimbal spinning about a precession gimbal axis substantially perpendicular to the drive...
6789437 Apparatus for precision slewing of flatform-mounted devices  
An apparatus and a method for controlling the path of oscillatory travel of a device within a two-axis system. A device, such as a camera, is held in a two axis gimbal system having motors for...
6681649 Inertial control and measurement system  
An inertial control and measurement system is provided for applying inertial control to a vehicle and measuring angular rate of the vehicle. The system includes a control moment gyroscope having a...
6354163 Mitigating gimbal induced disturbances in CMG arrays  
In a CMG array used to change the attitude of a satellite, noise in the motion of the inner gimbal as it is moved is detected and the speed of the CMG rotors is changed to reduce the noise.
5751078 Reactionless, momentum compensated payload positioner  
A reactionless momentum compensated payload positioner adapted to be mounted on a supporting body for providing momentum compensation of an oscillatory and scanning payload and for suppressing...
5256942 Stabilization system for a freely rotatable platform  
A stabilization system for space platforms, satellites and the like. One arrangement for demonstration purposes incorporates a frame and a pair of motor/flywheel units which are pivotably mounted...
5074159 Gyroscopic sensor lock for navigation apparatus  
An inertial sensor block comprising a sensor block base, an inertial sensors mounting element rotatably mounted with respect to the sensor block base for rotation about a rotation axis and a...
4976163 Reactionless actuator-gimbal system  
The AZ-EL embodiment of the reactionless actuator-gimbal system is a system of gimbal structure, reactionless actuators, a reaction wheel and momentum control means rotationally articulating a...
4951521 Gimbal module  
A gimbal module for installation in a gimbal assembly and for operation by a simple type of robot device for use in a space environment. The module has a stator, which is fixedly connected to a...
4949026 Robot arm space stabilizer  
As a gyroscope is made to precess back and forth across a certain point; a servo, torquing about the axis causing precession, can stabilize the member containing the precession axis by maintaining...
4838099 Gyrocompass  
A gyroscope employing a rotor in rolling contact with a ball positioned at the end of a drive shaft, the arrangement establishing a loose fitting ball and socket suspension for the rotor. Contact...
4751444 DC motor system with AC auxiliary system  
A direct current (DC) powered gyroscope (41) utilizes an alternating current (AC) subsystem in which electrolytic switches (49, 50) control torquer motors (45, 46). The alternating current is...
4512086 Heading indicator  
A heading indicator is disclosed which utilizes a one-degree-of-freedom platform stabilized by a two-degree-of-freedom dry flexure gyro. The output of one of the sensitive axis is coupled through...
4491029 Position gyroscope  
The present positional gyroscope is used for stabilizing and steering a fng body, especially a secondary flying body ejected from a primary or carrier flying body which is rotating or rolling...
4442723 North seeking and course keeping gyro device  
A gyro device arranged to be mounted in a vehicle and operable selectively as a directional gyro or as a gyro compass, which includes a gyro generating signals relative to two measuring...
4426889 Molded inertial sensor  
Structural elements of an inertial sensor are fabricated from molded plastic materials. The structural elements are characterized by relatively, small cross-section areas, and further incorporate...
4395922 Gimballed stabilization system with means for suppression of dither characteristics  
A gimballed platform stabilization system includes at least one outer member, an inner member, and an intermediate inertia bearing member. The intermediate member has limited coaxial angular...
4383452 Transfer mechanism for a gyroscopic device  
A transfer mechanism can rotate a gyroscopic device about its spin axis. The mechanism has a support that rotatably supports the gyroscopic device. This mechanism also has restraint apparatus for...
4292854 Gyroscopic apparatus having three-axis inertial platform with rapid warm-up  
An inertial platform carries at least one dynamically-tuned free-rotor gyro and is mounted in a three-axis gimbal system. Accelerometers are carried on the platform with their sensitive axes...
4283960 Gyroscope indexing drive mechanism  
The gyrocompass includes an improved indexing mechanism whereby the mechanical position of the gyroscope casing with respect to two orthogonal components of input rate may be measured.
4267737 Dual suspension gyroscopic device having powered gimbal support  
A dual suspension gyroscopic device includes a gyro having at least a single degree of freedom and defining an output axis, i.e., the sensitive axis of the gyroscopic device. The gyro is supported...
4255979 Pulse width modulated binary rebalance rate capture loop control for two-degree-of-freedom dry tuned gyro  
A dry tuned two axis gyro having a pulse-rebalanced rate capture loop control. This configuration eliminates the need for an analogue-to-digital converter since the gyro is torquered at a pulse...
4197655 Gyroscopic method and apparatus for determining magnetic heading and attitude  
A gyroscopic device of the type having a short-circuited rotor winding or conductor so shaped so as to produce axial and radial flux components when rotated in the earth's magnetic field is...
4161884 Turn rate indicator of aircraft using gyroscope  
A turn rate indicator of an aircraft wherein the outer rotor of a Hall motor is used as a gyro rotor. A driving circuit for the gyro stator circuit is provided integrally with the gyro gimbal. The...
4063141 Linear D.C. drive circuit  
A d.c. load is energized through a full wave bridge circuit from an a.c. source in accordance with a d.c. control signal. The d.c. control signal is modulated so as to produce a train of unipolar...
3979090 Velocity damped erection system for stable gyroscopic attitude and heading reference apparatus  
An improved second order gyroscopic attitude and heading reference system including separate variable time constant accelerometer integrators for independently controlling the velocity error...
3763709 GYROSCOPE PRECESSING APPARATUS  
Gyroscope precessing apparatus having a gyroscope mounted external to a gimbal system has gyroscope precessing forces applied to structure adjacent to a combined centre of inertia of the gyroscope...
3705977 ATTITUDE CONTROL SYSTEM  
3703832 ROTOR TILT  
A system for controlling the tilt of a rotor on a gyro includes a sensing device on the rotor housing for detecting tilt, together with light generating devices mounted on opposite sides of the...
3702569 SYSTEM FOR ELIMINATING GYRO ON-OFF DRIFT EFFECTS  
Solid rotor synchronous motor gyroscope having two-phase square wave supply voltage; control circuitry including logic circuit components for periodically producing a phase shift in the motor...
3657918 PERFORMANCE MONITOR FOR A VERTICAL GYRO  
Apparatus for monitoring a vertical gyro includes means for monitoring gyro vertically in the roll axis as a function of true air speed and rate of turn and monitoring vertically in the pitch axis...
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