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公开(公告)号：US12044506B1
公开(公告)日：2024-07-23
申请号：US17347976
申请日：2021-06-15
Inventor： Paul D. Zemany , Matthew F. Chrobak , Court E. Rossman
IPC: F41G7/22
CPC classification number: F41G7/2246 , F41G7/2286
Abstract: Techniques are provided for off-axis projectile guidance. λ methodology implementing the techniques according to an embodiment includes determining a maximum acceleration capability of the projectile based on flight data, control surface positions, and aerodynamic coefficients. The method also includes estimating a range from the projectile to a target. The method further includes calculating a first flight path to provide an offset radar viewing angle to the target that is offset from a longitudinal axis of the projectile and calculating a second flight path to provide for interception of the target by the projectile. The calculations are based on the maximum acceleration capability and the range from the projectile to the target. The method further includes guiding the projectile on the first flight path for an initial period of time and then guiding the projectile on the second flight path until target interception.
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公开(公告)号：US11601214B2
公开(公告)日：2023-03-07
申请号：US16253283
申请日：2019-01-22
Inventor： Paul D. Zemany , Matthew F. Chrobak , Egor V. Degtiarev
Abstract: A system and method for nulling or suppressing interfering signals directed toward moving platforms based, at least in part, on dynamic motion data of the moveable platform is provided. The system may be an interference nulling system carried by a moveable platform and may include an antenna array including two or more antenna elements that generates at least one initial steerable null radiation pattern, dynamic motion data logic that determines dynamic motion data of the moveable platform; and update logic that updates the at least one initial steerable null radiation pattern based, at least in part, on the dynamic motion data. The at least one updated steerable null radiation pattern is directed toward a direction from which interfering signals are being transmitted from an interfering signal source.
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公开(公告)号：US11385025B2
公开(公告)日：2022-07-12
申请号：US16718889
申请日：2019-12-18
Inventor： Michael J. Choiniere , Matthew F. Chrobak
Abstract: The system and method of swarm navigation using a follow the forward approach. Using on-board sensors and communications links between members of a swarm, numerous targets can be engaged more quickly and precisely. In some cases, a designator is used to help a forward of the swarm navigate to a target using image-based navigation up until terminal guidance is used. A cascade of messages are projected back to a following round so that, each member of a swarm can determine a best target/round match and provide real-time, up-to-date information regarding targets' locations and each round's location, range to target, target selection, and the like.
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公开(公告)号：US11435165B2
公开(公告)日：2022-09-06
申请号：US17112012
申请日：2020-12-04
Inventor： Brian J. Smith , Matthew F. Chrobak , Peter Dusaitis , Paul D. Zemany
Abstract: A narrow band antenna is configured to guide a munition toward a target location during a flight of the munition from a launch location toward the target location. The antenna has a first mode of operation operable during a first portion of the flight at a first bandwidth, and a second mode of operation operable during a second portion of the flight at a second bandwidth, the second bandwidth being a harmonic of the first bandwidth, and may be a third harmonic of the first bandwidth. The method includes transmitting a target location information to the munition in the first bandwidth during the first portion of the flight and then transmitting the target location information to the munition in the second bandwidth during the second portion of the flight. The first band may be X-band and the second band may be Ka-band.
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公开(公告)号：US20220179034A1
公开(公告)日：2022-06-09
申请号：US17112118
申请日：2020-12-04
Inventor： Peter Dusaitis , Matthew F. Chrobak , Brian J. Smith , Paul D. Zemany
Abstract: A method for launching a round from an airborne platform, receiving a plurality of RF signals at the round, determining an amount of time between a first and second received RF signal, where the second signal is a multi-path signal and the first signal is a direct path signal. An altitude of the round is determined based on the delay between the first and second received signal and aligning the round's flight path with an initial velocity vector of the aircraft platform to reduce dispersion. The round can include a plurality of sensors for detecting the RF signals. The second received RF signal may be a multi-path signal having been reflected off of the earth's surface or another object on the earth's surface. The altitude of the round can be determined using the known altitude of the airborne platform, the delay of time between the first and second received signals, and the speed of light.
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Patent Agency Ranking
公开(公告)号：US20200340787A1
公开(公告)日：2020-10-29
申请号：US16960971
申请日：2019-08-30
Inventor： Paul D. Zemany , Matthew F. Chrobak
IPC: F42B10/26
Abstract: A guided projectile including a precision guidance munition assembly utilizes angular rate sensors to sample a first angular velocity of the precision guidance munition assembly from the first angular rate sensor at a first time, sample a second angular velocity of the precision guidance munition assembly from the second angular rate sensor at the first time, generate a coning command based, at least in part, on the first angular velocity and the second angular velocity, and apply the coning command to the canard assembly. The range may be decreased or increased based on the coning commands.
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7.发明申请公开(公告)号：US20200235843A1
公开(公告)日：2020-07-23
申请号：US16253283
申请日：2019-01-22
Inventor： Paul D. Zemany , Matthew F. Chrobak , Egor V. Degtiarev
Abstract: A system and method for nulling or suppressing interfering signals directed toward moving platforms based, at least in part, on dynamic motion data of the moveable platform is provided. The system may be an interference nulling system carried by a moveable platform and may include an antenna array including two or more antenna elements that generates at least one initial steerable null radiation pattern, dynamic motion data logic that determines dynamic motion data of the moveable platform; and update logic that updates the at least one initial steerable null radiation pattern based, at least in part, on the dynamic motion data. The at least one updated steerable null radiation pattern is directed toward a direction from which interfering signals are being transmitted from an interfering signal source.
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公开(公告)号：US11808868B2
公开(公告)日：2023-11-07
申请号：US16972251
申请日：2019-08-30
Inventor： Paul D. Zemany , Matthew F. Chrobak
Abstract: A sensor determines the spin rate or rotation frequency of a munition body of a guided projectile relative to precision guidance munition assembly. The spin rate is used to determine launch velocity of the guided projectile early in flight before GPS is operationally active. The launch velocity is used to determine whether a corrective maneuver is needed to change the range of the guided projectile. Logic can control the canards on the canard assembly in response to the determination that a corrective maneuver is needed.
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公开(公告)号：US11650033B2
公开(公告)日：2023-05-16
申请号：US17111587
申请日：2020-12-04
Inventor： Jason H. Batchelder , Matthew F. Chrobak , Ryan Dippel
IPC: F42B10/64
CPC classification number: F42B10/64
Abstract: The system and method of a steering a moving object using a control plate-based control actuation system on the moving object. The control plate-based control actuation system having a control plate with at least four fin linkages for connecting at least four fins to the control plate; and three actuators configured to move the control plate to produce movement in two or more of the at least four fins. The system produces roll, pitch, and yaw moments for the moving object using three actuators acting on the control plate and thus moving two or more of the at least four fins all with no loss of performance as compared to systems with four actuators.
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公开(公告)号：US20210239430A1
公开(公告)日：2021-08-05
申请号：US16972251
申请日：2019-08-30
Inventor： Paul D. Zemany , Matthew F. Chrobak
Abstract: A sensor determines the spin rate or rotation frequency of a munition body of a guided projectile relative to precision guidance munition assembly. The spin rate is used to determine launch velocity of the guided projectile early in flight before GPS is operationally active. The launch velocity is used to determine whether a corrective maneuver is needed to change the range of the guided projectile. Logic can control the canards on the canard assembly in response to the determination that a corrective maneuver is needed.
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