Matches 1 - 50 out of 148 1 2 3 >
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7328104 Systems and methods for improved inertial navigation  
A method for producing inertial measurement data is provided. The method comprises receiving raw inertial measurement data from one or more inertial sensors; receiving raw position data based on...
7305286 System and method for gyro enhanced vertical flight information  
A flight instrument and associated method where vertical speed information is combined with gyro information to produce gyro enhanced vertical speed information that is displayed to a pilot. The...
7248967 Autonomous velocity estimation and navigation  
Measurement of a spatial velocity vector in order to make determination of a geographical position possible. A spatial velocity meter includes an inertial measurement unit, a direction-sensing...
7105790 Process to control the trajectory of a spinning projectile  
A process to control the trajectory of a spinning projectile. The projectile's accelerations are measured by means of an inertial unit in three axes within a reference linked to the projectile so...
7076342 Attitude sensing apparatus for determining the attitude of a mobile unit  
An attitude sensing apparatus for determining the attitude of a mobile unit is provided that can reliably estimate an alignment angle between a GPS antenna coordinate system and an IMU coordinate...
7043343 Method for testing a missile time-space-position unit for missile  
A method for testing the performance of a Missile Time-Space-Position Information Unit. The method is utilized for Functional, Acceptance and Qualification test of the Missile Time-Space-Position...
6948367 Dual bridge angular and linear accelerometer  
An accelerometer includes an inertial platform maintaining an attitude in response to a platform stabilizing controller signal and defining a spin axis and a reference plane. An accelerometer,...
6928876 Dual flexure plate angular accelerometer  
A dual capacitance accelerometer system includes two flexure plates coupled to the housing and defining a respective parallel flex axes. A fixed plate is adjacent to and in substantially parallel...
6895817 Dual bridge angular accelerometer  
An accelerometer includes an inertial platform maintaining an attitude in response to a platform stabilizing controller signal and defining a spin axis and a reference plane. An accelerometer,...
6725173 Digital signal processing method and system thereof for precision orientation measurements  
The present invention provides a digital signal processing method and system thereof for producing precision platform orientation measurements and local Earth's magnetic measurements by measuring...
6714866 Methods and apparatus for installation alignment of equipment  
A method for installation alignment of an inertial reference unit (IRU) with vehicle axes when the IRU is installed within the vehicle is provided. The vehicle axes include roll, pitch, and yaw...
6679457 Reaction wheel system with vernier control rotor  
A reaction wheel system is provided that includes at least two rotors. The first rotor is the primary rotor that provides the large output torques to the vehicle. The second rotor is a vernier...
6666410 Load relief system for a launch vehicle  
A load relief system for a launch vehicle including a wind sensing system responsive to wind speed and direction at selected locations for providing an output of sensed wind speed and wind...
6654685 Apparatus and method for navigation of an aircraft  
In accordance with this invention, an apparatus and method for aircraft navigation are provided that utilize a blended architecture consisting of a global positioning system (GPS) and...
6621059 Weapon systems  
A weapon system comprising a mobile platform ( 1 ) e.g. an aircraft incorporating a first three-axis attitude reference sub-system ( 13 ), and a guidable vehicle ( 3 ) launchable from the platform...
6596976 Method and system for pointing and stabilizing a device  
A method and system for pointing and stabilizing a device that needs to be pointed and stabilized with a desired direction, are disclosed, wherein current attitude measurement and attitude rate...
6496779 Inertial measurement unit with magnetometer for detecting stationarity  
A device for measuring a velocity and/or position of a body includes a magnetometer and a measurement unit. The magnetometer is configured to sense a magnetic flux to which the body is exposed. The...
6380526 Employing booster trajectory in a payload inertial measurement unit  
A payload launching method measures the attitude of a booster during a launch with an inertial measurement unit on the payload to compare the actual booster trajectory with a desired trajectory to...
6349652 Aeroballistic diagnostic system  
A system which is packaged within a projectile fuze body and obtains data relative to the projectile during a launch. Sensors are provided which obtain in-bore data as well as in-flight data. The...
6317688 Method and apparatus for achieving sole means navigation from global navigation satelite systems  
A sole means global navigation apparatus adapted for use on an aircraft includes a GPS receiver to provide GPS measurement data and an inertial sensor system adapted to provide inertial...
6314886 Projectile to be fired from a weapon barrel and stabilized by a guide assembly  
A projectile to be fired from a weapon barrel includes a projectile body and a plurality of stabilizing wings circumferentially distributed about a rearward portion of the projectile body. A pin...
6163021 Navigation system for spinning projectiles  
A navigation system for spinning projectiles using a magnetic spin sensor to measure the projectile roll angle by sensing changes in magnetic flux as the projectile rotates through the earth's...
6131068 Accuracy of an inertial measurement unit  
A missile guidance system employs a strap down inertial measurement unit with a separate accelerometer and star sensor that are moved for preflight accelerometer initialization. During flight,...
6107616 Power failure interrupt recovery for the pendulous oscillating gyroscopic accelerometer (POGA)  
A system for protecting a pendulous oscillating gyroscopic accelerometer (POGA) from power failure interruption (PFI) events, the POGA having a servo driven member (SDM), rotor driven member (RDM),...
6037899 Method for vectoring active or combat projectiles over a defined operative range using a GPS-supported pilot projectile  
For an exact vectoring of active or combat projectiles, a GPS-supported pilot projectile is provided with a satellite navigation system or GPS receiver and continuously detects its own position and...
5948045 Method for airbourne transfer alignment of an inertial measurement unit  
A method for determining the initial conditions for an inertial measurement nit (IMU) of a second vehicle launched from a wing of a first vehicle is provided. The method includes the steps of...
5886339 Missile attitude safing system  
An attitude sensing safing system for a missile, which senses an attitude ror of the missile, and activates a dudding signal when the error exceeds a certain value for a predetermined time. The...
5886286 Monitoring safety system  
A guidance monitoring safety system for a guided missile having platform os and electromechanical integrators with inputs from a guidance information analyzer. The system monitors malfunctions...
5804812 Multiple node lambert guidance system  
A multi-node Lambert Guidance System that controls missile velocity along a missile flight path through adjustment of missile attitude during guidance of the missile through an intercept point and...
5739787 Vehicle based independent tracking system  
As an improvement to the architecture, utility, efficiency and cost associated with the procurement, setup, and operation of a real-time tracking/autonomous destruct and data recovery system for...
5721680 Missile test method for testing the operability of a missile from a launch site  
A missile is tested by first stimulating the performance of missile built-in tests that are stimulated in service by signals from the launch site, and which tests do not require internal access to...
5660356 System for providing power and roll motion stability in a vehicle  
A dual flywheel assembly for use in an airborne vehicle for storing mechanical energy therein prior to flight and for permitting the extraction of electrical energy therefrom during flight, which...
5660355 Angle only range estimator for homing missile  
Missile motion information from an inertial measurement set and the angle-to-target information from a seeker/sensor is used to estimate range and/or time to go on a homing missile without a direct...
5647558 Method and apparatus for radial thrust trajectory correction of a ballistic projectile  
A system for controlling the placement of a gun launched projectile adapted with a radial impulse motor incorporated into the projectile for imparting a thrust subsequent to launching and a...
5451014 Self-initializing internal guidance system and method for a missile  
A guidance system for internally controlling the flight path of a missile includes a guidance platform having dispersion control means mounted on the guidance platform for detecting acceleration of...
5397079 Process for the autonomous positional control of guided missiles  
Process for the autonomous positional control of guided missiles, which are to be launched from a carrier plane, but without the cooperation thereof, wherein data on the instantaneous position of...
5360184 High-performance, low-cost inertial guidance system  
One or more strap-down star tracker modules and a strap-down gyro module cooperate to provide a high-performance and low-cost inertial guidance system especially well suited for ballistic missiles....
5274314 Adaptive friction compensator  
A friction compensation system which augments a stabilization rate loop includes a first summer (11) responsive to a rate command signal and a feedback signal to provide a torque command signal, a...
5260709 Autonomous precision weapon delivery using synthetic array radar  
A system and method that uses differential computation of position relative to a global positioning system (GPS) coordinate system and the computation of an optimum weapon flight path to guide a...
5150856 System for aligning the inertial unit of a carried vehicle on that of a carrier vehicle  
The system may be used, for example, to initialize the inertial unit of a missile from the inertial unit of a vehicle carrying the missile. According to the invention, a servo-control circuit is...
5065956 Method for detecting changes in spin rate of a missile in flight  
A method of determining the difference between the actual rotational speed of the body of a guided missile and a nominal rotational speed is shown to consist of the steps of comparing a shaped...
5020745 Reaction wheel fricton compensation using dither  
A reaction-wheel stabilized spacecraft reduces attitude errors at wheel reversals by application of a dither component to the wheel torque command signal.
5001647 Inertial transformation matrix generator  
An inertial transformation matrix generator generates a succession of Euler transformation matrices in inertial coordinates, and is useful for converting to inertial coordinates the responses of a...
H000710 Horizon reference system for a rotating body  
A horizon reference system has a plurality of microwave radiation sensors which are selectively connected by a controller to a superheterodyne receiver. The output signals of the receiver are...
4831544 Attitude and heading reference detecting apparatus  
An attitude and heading reference detecting apparatus having three gyros and three acceleometers mounted to a navigation vehicle in such a manner that their input axes are made coincident with...
4791850 Electromagnetic launching system for long-range guided munitions  
An Earth-based, rapid-fire, electromagnetic accelerator system is provided for launching multiple hypervelocity nuclear or non-nuclear independently targetable warheads on ballistic trajectories to...
4791573 State-deviation-estimation circuit employing a phase-locked-loop phase reference  
A system (34) for determining deviations in the state of motion of a projectile (10) from its intended state includes a comparison module (38) that receives the outputs S of a sensor array (36)....
4783744 Self-adaptive IRU correction loop design interfacing with the target state estimator for multi-mode terminal handoff  
A method and apparatus for identifying inertial reference unit (IRU) errors in a guided missile employing a multi-mode guidance system and constructing correction terms to recover the missile true...
4757961 Torque balanced rate gyro deriving its spin from a host projectile  
A rate gyro instrument primarily for use in a gun fired spinning projectile eliminates all associated bearings by affixing the rotor to the spinning projectile body to obviate spin rotor bearings...
4583178 Strapped-down inertial system for a vehicle  
A strapped-down intertial system for a vehicle including computational means and a sensor package. The sensor package includes a first part (1) fixedly mounted on the vehicle, and a second part (5)...
Matches 1 - 50 out of 148 1 2 3 >