Hamilton, AZ
Allan J. Hamilton, Tucson, AZ US
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20130224709 | Portable Low Cost Computer Assisted Surgical Trainer and Assessment System - A system is provided for evaluating MIS procedures. The system includes a sensor configured to receive task-performance data, block components, and actuating components. The sensor, block components, and actuating components are configured to simulate a training task. The system also includes a processor. The processor is configured to determine, based on the received task-performance data, a trial task-performance metric corresponding to a trial performance of the training task. The processor is also configured to select a reference task-performance metric from a plurality of reference task-performance metrics. Each reference task-performance metric in the plurality corresponds to a respective reference performance of the training task. The processor is additionally configured to determine, based on a comparison of the trial task-performance metric to the reference task-performance metric, a task-performance classification level. The processor is further configured to cause a graphical display to provide an indication of the task-performance classification level. | 08-29-2013 |
Brian Hamilton, Glendale, AZ US
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20100152953 | METHODS AND SYSTEMS FOR EFFICIENTLY ORIENTING AN AGILE VEHICLE USING A GYROSCOPE ARRAY - Methods and systems are provided for orienting an agile vehicle using a control moment gyroscope array. A method comprises obtaining initial vehicle parameters for the vehicle and obtaining target vehicle parameters for the vehicle. The method further comprises determining command parameters based on a difference between the target vehicle parameters and the initial vehicle parameters, and simulating operation of the control moment gyroscope array using the command parameters and a torque value being at least equal to a maximum achievable torque for the control moment gyroscope array. When the simulated vehicle parameters are substantially equal to the target vehicle parameters, the method further comprises determining a torque profile for the control moment gyroscope array based on the simulated operation and operating the control moment gyroscope array using the torque profile. | 06-17-2010 |
20110101167 | METHODS AND SYSTEMS FOR IMPOSING A MOMENTUM BOUNDARY WHILE REORIENTING AN AGILE VEHICLE WITH CONTROL MOMENT GYROSCOPES - Methods and systems are provided for reorienting an agile vehicle, such as a satellite or spacecraft, using a control moment gyroscope (CMG) array. The CMG array comprises a plurality of CMGs onboard the agile vehicle. A method comprises obtaining an input torque command for reorienting the vehicle using the CMG array and, when the angular momentum of the CMG array violates or is approaching a momentum boundary criterion, decreasing the input torque command in the kinetic momentum direction, resulting in a modified torque command, and operating the CMG array using the modified torque command. | 05-05-2011 |
20110295449 | METHODS AND SYSTEMS FOR REDUCING ANGULAR VELOCITY USING A GYROSCOPE ARRAY - Methods and systems are provided for reducing angular velocity of a vehicle using a gyroscope array. A method comprises dithering a gyroscope of the gyroscope array, obtaining current through a gimbal motor of the gyroscope while dithering the gyroscope, determining a gimbal rate command to reduce angular velocity of the vehicle based on the current through the gimbal motor obtained while dithering the gyroscope, and operating the gimbal motor of the gyroscope based on the gimbal rate command. | 12-01-2011 |
20120325970 | METHODS AND SYSTEMS FOR ADJUSTING ATTITUDE USING REACTION WHEELS - Methods and systems are provided for controlling attitude of a vehicle using a reaction wheel onboard the vehicle. One exemplary method involves receiving a torque command for adjusting the attitude of the vehicle using the reaction wheel, determining a phase error of the reaction wheel based at least in part on the torque command, and determining a motor torque command for the reaction wheel based on the phase error. The motor torque command is provided to an electric motor of the reaction wheel to apply a corresponding torque to the rotor of the reaction wheel. The relationship between the magnitude of the motor torque command and the magnitude of the phase error is nonlinear. In exemplary embodiments, the magnitude of the motor torque command exceeds the stiction torque, at least instantaneously, when the reaction wheel has fallen behind an expected position by more than a threshold amount. | 12-27-2012 |
20140122046 | METHODS AND SYSTEMS FOR EMULATING SPACECRAFT PROXIMITY OPERATIONS IN A LABORATORY - Systems and methods are described for emulating proximity operations of a spacecraft. In one embodiment, a method includes: projecting an image of a first spacecraft on a surface and initiating a proximity operation between the first spacecraft and a second spacecraft. The method further includes evaluating sensor feedback from the second spacecraft based on the proximity operation. | 05-01-2014 |
Brian J. Hamilton, Glendale, AZ US
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20080228332 | ACTIVE CONTROL OF SOFT HYBRID ISOLATION SYSTEMS - Apparatus, Systems, and Methods are provided for controlling motion of a spacecraft. One apparatus includes a non-contacting actuator and a passive mechanical system coupled in parallel with one another. A system includes a payload, a bus, and a hybrid actuator including a non-contacting actuator and a passive mechanical system coupled in parallel, and coupled between the bus and the payload. The system also includes an inertial actuator configured to maneuver the bus to maintain a relative position and/or attitude of the bus with respect to the payload. One method includes receiving a signal instructing a first controller to change the position and/or attitude of a payload and utilizing a hybrid system to change the position and/or attitude of the payload. The method also includes receiving the signal at a second controller and utilizing a system to change a position and/or attitude of the bus independent of the payload. | 09-18-2008 |
20090121399 | VIBRATION REDUCTION SYSTEM EMPLOYING ACTIVE BEARING MOUNTS - A vibration reduction system is provided for use in conjunction with a rotational device including a stationary body, a rotating body, and a first bearing assembly disposed between the stationary body and the rotating body. The vibration reduction system includes a first plurality of bearing mount actuators residing between the stationary body and the first bearing assembly. The first plurality of bearing mount actuators is configured to adjust the radial position of the first bearing assembly. The vibration reduction system further includes a vibration sensor, which is coupled to the stationary body, and a controller, which is coupled to the vibration sensor and to the first plurality of bearing mount actuators. The controller is configured to reduce vibrations sensed by the vibration sensor by selectively adjusting the radial position of the first bearing assembly utilizing the first plurality of bearing mount actuators. | 05-14-2009 |
Brian K. Hamilton, Mesa, AZ US
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20100025538 | COMPOSITE MATERIAL FOR GEOMETRIC MORPHING WING - An airfoil member and an airfoil member altering system are provided for significantly modifying the shape and size of the airfoil member while simultaneously providing an airfoil member with increased adaptability to various flight conditions throughout a flight envelope. The airfoil member comprises at least one motor or actuator, a system controller, a plurality of vehicle performance sensors, at least one temperature controller and airfoil member comprising at least one geometric morphing device that is adjustable in both size and shape and one or more rigid members. | 02-04-2010 |
20110001018 | COMPOSITE MATERIAL FOR GEOMETRIC MORPHING WING - An airfoil member and an airfoil member altering system are provided for significantly modifying the shape and size of the airfoil member while simultaneously providing an airfoil member with increased adaptability to various flight conditions throughout a flight envelope. The airfoil member comprises at least one motor or actuator, a system controller, a plurality of vehicle performance sensors, at least one temperature controller and airfoil member comprising at least one geometric morphing device that is adjustable in both size and shape and one or more rigid members. | 01-06-2011 |
Doug Hamilton, Phoenix, AZ US
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20120290529 | SYSTEMS AND METHODS FOR UPDATING A DATABASE AND HANDLING INTERRUPTIONS - A system and method for updating a database by a data loader management unit (DLMU) is provided. The method may include, but is not limited to, determining if a partial database download is stored in a memory of the DLMU, determining, if a version of the partial database download matches a version of the database stored on a database upgrade server, initiating, if the version associated with the partial database download matches the version of the database store on the database upgrade server, a download session to resume the download of the version of the database from the database upgrade server, and initiating, if the version associated with the partial database download does not match the version of the database store on the database upgrade server, a download session to being downloading the version of the database from the database upgrade server. | 11-15-2012 |
Gary E. Hamilton, Gilbert, AZ US
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20160055445 | Methods and Apparatus for Interactive Workflow for Patient Scheduling - Methods and apparatus for interactive workflow for patient scheduling according to various aspects of the present technology may comprise a schedule module configured to retrieve a workflow schedule and a visualization module configured to convert the retrieved schedule into a diagram comprising a plurality of patient block elements corresponding to a plurality of individual patient schedules and arranged according to a workflow schedule wherein each individual patient schedule in the diagram may comprise a first patient block element corresponding to the time for a start task and a second patient block element corresponding to the time for an end task. The visualization module may be further configured to allow a user to adjust the workflow schedule by selectively moving either the first or the second patient block element. | 02-25-2016 |
George A. Hamilton, Peoria, AZ US
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20090278762 | Antenna Modular Sub-array Super Component - In accordance with various aspects of the present invention, a method and system for an antenna modular sub-array super component is presented. The modular sub-array super component allows for multiple antenna product designs to utilize a common low cost aperture element assembly block, quantities of which may be scaled up or down to suit the physical, performance, and power requirements of a specific antenna system. More specifically, a method and system for connecting various components of an antenna modular sub-array using a bar with leads connector is discussed. The bar with leads may connect antenna subcomponents or subassemblies. | 11-12-2009 |
Phillip Nolan Hamilton, Buckeye, AZ US
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20140047774 | Heat recovery steam generator access door kit - A heat recovery steam generator access door kit comprising a door assembly comprising an insulation box; a door face attached to the insulation box that is larger in width and length than the insulation box and projects around the perimeter of the insulation box; at least one cross beam; a frame assembly comprising a frame and at least one swing bolt assembly attached to the frame. | 02-20-2014 |
Russell J. Hamilton, Tucson, AZ US
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20100004499 | Methods And Devices For Minimally-Invasive Extraocular Delivery of Radiation To The Posterior Portion Of The Eye - Methods and devices for minimally-invasive delivery of radiation to the posterior portion of the eye including a cannula comprising a distal portion connected to a proximal portion and a means for advancing a radionuclide brachytherapy source (RBS) toward the tip of the distal portion; a method of introducing radiation to the human eye comprising inserting a cannula between the Tenon's capsule and the sclera of the human eye and emitting the radiation from the cannula on an outer surface of said sclera. | 01-07-2010 |
20100004581 | METHODS AND DEVICES FOR MINIMALLY-INVASIVE EXTRAOCULAR DELIVERY OF RADIATION TO THE POSTERIOR PORTION OF THE EYE - Methods and devices for minimally-invasive delivery of radiation to the posterior portion of the eye including a cannula comprising a distal portion connected to a proximal portion and a means for advancing a radionuclide brachytherapy source (RBS) toward the tip of the distal portion; a method of introducing radiation to the human eye comprising inserting a cannula between the Tenon's capsule and the sclera of the human eye and emitting the radiation from the cannula on an outer surface of said sclera. | 01-07-2010 |
20110207987 | Methods And Devices For Delivering Appropriate Minimally-Invasive Extraocular Radiation - The present invention also features a brachytherapy system comprising a spiral cut tube having a first end and a second end; a radioactive brachytherapy source (RBS) disposed on the first end of the spiral cut tube; and a handle and a generally hollow cannula disposed on the handle, wherein a channel is disposed in the handle aligned with the hollow cannula, and the spiral cut tube and RBS are adapted to slide within the channel and the hollow cannula. | 08-25-2011 |
20130211178 | Methods And Devices For Minimally-Invasive Extraocular Delivery Of Radiation To The Posterior Portion Of The Eye - Methods and devices for minimally-invasive delivery of radiation to the posterior portion of the eye including a cannula comprising a distal portion connected to a proximal portion and a means for advancing a radionuclide brachytherapy source (RBS) toward the tip of the distal portion; a method of introducing radiation to the human eye comprising inserting a cannula between the Tenon's capsule and the sclera of the human eye and emitting the radiation from the cannula on an outer surface of said sclera. | 08-15-2013 |
20130267758 | METHODS AND DEVICES FOR MINIMALLY-INVASIVE EXTRAOCULAR DELIVERY OF RADIATION TO THE POSTERIOR PORTION OF THE EYE - Methods and devices for minimally-invasive delivery of radiation to the posterior portion of the eye including a cannula comprising a distal portion connected to a proximal portion and a means for advancing a radionuclide brachytherapy source (RBS) toward the tip of the distal portion; a method of introducing radiation to the human eye comprising inserting a cannula between the Tenon's capsule and the sclera of the human eye and emitting the radiation from the cannula on an outer surface of said sclera. | 10-10-2013 |
Vernon D. Hamilton, Tucson, AZ US
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20080296541 | CHEMICALLY BONDED CERAMIC RADIATION SHIELDING MATERIAL AND METHOD OF PREPARATION - A composition of matter and method of forming a radiation shielding member at ambient temperatures in which the composition of matter includes a ‘cold-fired’ chemically bonded oxide-phosphate ceramic cement matrix; with one or more suitably prepared and distributed radiation shielding materials dispersed in the ‘cold-fired’ chemically bonded oxide-phosphate ceramic cement matrix. | 12-04-2008 |
20130277616 | CHEMICALLY BONDED CERAMIC RADIATION SHIELDING MATERIAL AND METHOD OF PREPARATION - A composition of matter and method of forming a radiation shielding member at ambient temperatures in which the composition of matter includes a ‘cold-fired’ chemically bonded oxide-phosphate ceramic cement matrix; with one or more suitably prepared and distributed radiation shielding materials dispersed in the ‘cold-fired’ chemically bonded oxide-phosphate ceramic cement matrix. | 10-24-2013 |