公开(公告)号：US10185832B2

公开(公告)日：2019-01-22

申请号：US15213434

申请日：2016-07-19

Applicant: U.S. Army Research Laboratory ATTN: RDRL-LOC-I

Inventor： Hasan Cam

IPC: G06F21/57 ,  G06N7/00 ,  G06N5/04

Abstract: Provided are processes of monitoring or modifying a network of electronically connected assets that dynamically builds relationships and dependencies among detected vulnerabilities in one or more of the assets and sensor measurements so that risk assessment can be achieved more accurately and in real-time. A process includes: identifying a plurality of vulnerabilities on a network of electronically interconnected devices representing one or more critical assets; determining dependencies between each vulnerability in the plurality of vulnerabilities; creating a hidden Markov model representing an attack state of each vulnerability of the plurality of vulnerabilities; determining the exploit likelihood of each of the attack states at a first time; determining the most probable sequences or paths of the attack states; and identifying dynamically the risk of one or more of the critical assets based on the sequences or paths of attack states.

公开(公告)号：US20180273438A1

公开(公告)日：2018-09-27

申请号：US15466893

申请日：2017-03-23

Applicant: U.S. Army Research Laboratory ATTN: RDRL-LOC-I

Inventor： Paul J. Conroy ,  Raymond A. Wildman ,  Eric J. Robinette ,  John R. Schmidt ,  Andrew T. Gaynor

IPC: C06B21/00 ,  C06B45/00

CPC classification number: C06B21/0033 ,  C06B45/00

Abstract: A method of manufacturing and optimizing energetic propellant grains includes generating an optimal surface area to mass fraction burned ratio profile for a predetermined solid structure including propellant grains; using the profile as a target function of a topological optimization process to generate a 3D form of a propellant grain; developing a negative of the 3D form of the propellant grain; mixing and densifying the negative with an energetic material in an uncured form in a mixer to create a structure including the energetic material and embedded negative; and solvating the negative from the structure, wherein the negative comprises a 3D propellant grain. The developing of the negative of the 3D form of the propellant grain may occur using a predetermined material in an additive manufacturing process. The negative may be soluble in the predetermined material, and the energetic material may be insoluble in the predetermined material.

公开(公告)号：US10038376B2

公开(公告)日：2018-07-31

申请号：US14818336

申请日：2015-08-05

Applicant: U.S. Army Research Laboratory ATTN: RDRL-LOC-I

Inventor： Nathan S. Lazarus ,  Sarah S. Bedair

IPC: H02M3/158 ,  H02M1/00 ,  H02M7/48

CPC classification number: H02M3/158 ,  H02M2001/0058 ,  H02M2001/0064 ,  H02M2007/4818 ,  Y02B70/1441 ,  Y02B70/1491

Abstract: A DC-DC power converter having a power source, a load, and a transmission line terminated at one end. A first switch is electrically connected between the power source and the second end of the transmission line. A second switch is electrically connected between the second end of the transmission line and the load and both switches are movable between an open and a closed position. A switch control circuit switches the first and second electric switches between their open and closed positions at a selected high frequency. A plurality of variable impedance elements are electrically connected to the transmission line at spaced intervals while an impedance control circuit is electrically connected to the variable impedance elements to vary the impedance of the impedance elements and thereby vary the voltage applied to the load.

公开(公告)号：US20180152295A1

公开(公告)日：2018-05-31

申请号：US15590828

申请日：2017-05-09

Applicant: U.S. Army Research Laboratory ATTN: RDRL-LOC-I

Inventor： Robert James Drost ,  Terrence Joseph Moore ,  Michael Brodsky

IPC: H04L9/08 ,  H04B10/70 ,  H04M99/00

CPC classification number: H04L9/0855 ,  G02B2207/114 ,  H04B10/70 ,  H04L9/0858 ,  H04M99/00 ,  H04M2201/60 ,  H04M2207/20

Abstract: Quantum networking systems and methods for routing entangled photons pairs are described herein. One quantum networking system includes entangled photon sources which generate entangled photons; optical output ports; a reconfigurable switching network connecting to the entangled photon sources and the output ports, which include a regular repeating structure of optical crossbar switches and interconnections for selectively routing individual ones of entangled photons pairs input to the network to and amongst the outputs; and a control module. The control module is configured to receive a request for entangled photons at the output ports; execute a routing algorithm to determine the state of the switches in the reconfigurable switching network to satisfy the request; and generate and transmit control signals to the switching network in order to set the states of the switches according to the executed routing algorithm. The reconfigurable switching network may be a Beneš or a banyan-type network architecture.

公开(公告)号：US09964482B2

公开(公告)日：2018-05-08

申请号：US15006752

申请日：2016-01-26

Applicant: U.S. Army Research Laboratory ATTN: RDRL-LOC-I

Inventor： Wenbo Sun ,  Gorden Videen ,  Michael I. Mishchenko

IPC: G01N21/21 ,  G01W1/02 ,  G01N21/53 ,  G01N21/47

CPC classification number: G01N21/21 ,  G01N21/538 ,  G01N2021/4792 ,  G01N2201/0616 ,  G01W1/02

Abstract: A novel methodology for detecting cloud particles is disclosed herein. This methodology exploits the optical glory phenomenon. According to one embodiment, a method for detecting clouds includes receiving data from a sensor which is configured to measure polarization of scattered light in a direction substantially opposite to the direction of incident light, and identifying, from the received sensor data, a cloud based on the polarization of the scattered light.

公开(公告)号：US09952352B2

公开(公告)日：2018-04-24

申请号：US14866153

申请日：2015-09-25

Applicant: U.S. Army Research Laboratory ATTN: RDRL-LOC-I

Inventor： Stephen F. Kirby

IPC: G01W1/10 ,  H04W4/02

CPC classification number: G01W1/10 ,  H04W4/02 ,  Y02A90/14

Abstract: A method and system configured to provide a weather forecast for a selected zone is provided. The method and system is configured to receive meteorological reports and locally sensed measurements. The information is transmitted to a weather model preprocessor disposed on the device which generates an analysis field. This information is passed to the weather model which is an executable program also disposed on the device. The weather model processes the analysis field generated by meteorological reports, large-scale initialization data and in-situ sensor values to generate an initial weather forecast. The weather model updates the initial weather forecast with real-time, high-resolution atmospheric measurements to generate a weather forecast more representative of the user's zone than that available from Internet/media outlets. Furthermore, because the weather model is run on the mobile device itself, staleness of the forecast will no longer be an issue, as forecasts can be generated on demand.

公开(公告)号：US09810574B2

公开(公告)日：2017-11-07

申请号：US14013059

申请日：2013-08-29

Applicant: U.S. Army Research Laboratory ATTN: RDRL-LOC-I

Inventor： Richard L. Tober ,  Stephen R. McFarlane

IPC: H01L27/00 ,  G01J1/02 ,  G01J5/04 ,  G01J1/42 ,  G03B15/00 ,  G03B11/06 ,  G01J5/00

CPC classification number: G01J1/0271 ,  G01J1/4228 ,  G01J5/048 ,  G01J2001/0276 ,  G01J2005/0077 ,  G03B11/06 ,  G03B15/006

Abstract: A protective device for an imager which is contained within a housing and in which the imager is aligned with an opening in the housing. The protective device includes a cover which overlies the housing opening and is manually detachably secured to the housing by three or more resilient clips. A plurality of openings are formed through the cover to enable operation of the imager.

公开(公告)号：US09728965B2

公开(公告)日：2017-08-08

申请号：US14500281

申请日：2014-09-29

Applicant: U.S. Army Research Laboratory ATTN: RDRL-LOC-I

Inventor： Bruce R. Geil

IPC: H02J1/10 ,  H02J3/14 ,  H02M7/48 ,  H02M1/00 ,  H01R29/00

CPC classification number: H02J3/14 ,  H01R29/00 ,  H02M7/48 ,  H02M2001/008

Abstract: A scalable universal power supply and/or power converter provides independent voltage, frequency, phase, and current control through a common power bus connected to a plurality of electrical conversion modules which can provide voltage, frequency, phase, and current control. According to one embodiment, a power supply and/or power converter includes a power bus; a plurality of terminals for input and/or output of electricity; a plurality of electrical conversion modules connected in parallel to the bus for transferring or converting electricity; a switch matrix, formed of a plurality of switches arranged in an array, connecting to the plurality of electrical conversion modules and the plurality of terminals; and a controller configured to select and operate one or more electrical conversion modules and one or more switches of the switch matrix to selectively provide and/or receive electricity to the one or more terminals.

公开(公告)号：US09702674B2

公开(公告)日：2017-07-11

申请号：US14454250

申请日：2014-08-07

Applicant: U.S. Army Research Laboratory ATTN: RDRL-LOC-I

Inventor： Luisa D. Fairfax ,  Frank E. Fresconi ,  James M. Maley

IPC: G01C23/00 ,  F42B10/26 ,  F41G7/00

CPC classification number: F42B10/26 ,  F41G7/006 ,  F41G7/008 ,  F41G7/36 ,  G01C21/165

Abstract: A method and apparatus is provided that provides accurate navigation for spin-stabilized projectiles in a GPS-denied environment using low cost measurement sensors, by application of flight dynamics in real-time state estimation algorithms.

公开(公告)号：US20170040893A1

公开(公告)日：2017-02-09

申请号：US14818336

申请日：2015-08-05

Applicant: U.S. Army Research Laboratory ATTN: RDRL-LOC-I

Inventor： Nathan S. Lazarus ,  Sarah S. Bedair

IPC: H02M3/158

CPC classification number: H02M3/158 ,  H02M2001/0058 ,  H02M2001/0064 ,  H02M2007/4818 ,  Y02B70/1441 ,  Y02B70/1491

Abstract: A DC-DC power converter having a power source, a load, and a transmission line terminated at one end. A first switch is electrically connected between the power source and the second end of the transmission line. A second switch is electrically connected between the second end of the transmission line and the load and both switches are movable between an open and a closed position. A switch control circuit switches the first and second electric switches between their open and closed positions at a selected high frequency. A plurality of variable impedance elements are electrically connected to the transmission line at spaced intervals while an impedance control circuit is electrically connected to the variable impedance elements to vary the impedance of the impedance elements and thereby vary the voltage applied to the load.

Abstract translation: 一种DC-DC电力转换器，其具有在一端终止的电源，负载和传输线。 第一开关电连接在电源和传输线的第二端之间。 第二开关电连接在传输线的第二端和负载之间，并且两个开关可在打开和关闭位置之间移动。 开关控制电路以选定的高频率在其打开和关闭位置之间切换第一和第二电开关。 多个可变阻抗元件以间隔的间隔电连接到传输线，同时阻抗控制电路电连接到可变阻抗元件以改变阻抗元件的阻抗，从而改变施加到负载的电压。