WSAN RESTORATION METHOD USING FORCED BASE CALCULATION

    公开(公告)号:US20190053066A1

    公开(公告)日:2019-02-14

    申请号:US16153092

    申请日:2018-10-05

    Inventor: Uthman BAROUDI

    Abstract: Aspects of the disclosure provide a method for restoring connectivity among partitioned segments in a partitioned wireless sensor and actor network (WSAN). The method includes placing batches of mobile nodes at locations surrounding mobile nodes previously placed within a damaged area of the partitioned WSAN, spreading the batches of mobile nodes, determining whether connectivity among the partitioned segments has been restored, and repeating placing batches of mobile nodes, spreading the patches of mobile nodes, and determining whether connectivity among the partitioned segments has been restored when connectivity among the partitioned segments is not restored.The method is based on a distributed dropping approach which introduces minimal disruption to previously deployed mobile nodes, and decreases total travelled distance a mobile node might move compared with a traditional central dropping approach. Thus, the distributed dropping approach can expedite the restoration process, reduce power consumption, and expand survival time of a WSAN.

    GPS-FREE ROBOTS
    2.
    发明申请
    GPS-FREE ROBOTS 审中-公开

    公开(公告)号:US20180059685A1

    公开(公告)日:2018-03-01

    申请号:US15684373

    申请日:2017-08-23

    CPC classification number: G05D1/0287 G05D1/028

    Abstract: A Two-hop Cooperative Virtual Force Robot Deployment (Two-hop COVER) technique is described. An improved Virtual force VF approach considers the mission requirements such as the number of required robots in each locality. The Two-hop COVER expedites the deployment process by establishing a cooperative relation between robots and neighboring landmarks. Two-hop cooperation is utilized as well to reduce the time and distance needed to satisfy mission requirements. In order to reduce randomness and guide remaining robots throughout the area till they find an unsatisfied landmark, each robot utilizes its history to visit only the locations that it has not visited before. Moreover, each robot will communicate with its neighboring robots and landmarks to use their current positions and history to guide its movements.

    SYSTEM AND METHOD OF ROUTING FOR LOCATION PRIVACY PRESERVATION IN WIRELESS SENSOR NETWORKS

    公开(公告)号:US20250048105A1

    公开(公告)日:2025-02-06

    申请号:US18431348

    申请日:2024-02-02

    Abstract: A wireless sensor network (WSN) and a method of routing in a wireless sensor network (WSN) includes wireless sensor nodes for monitoring an environment and a base station having a WSN manager to which information about the environment is sent from the wireless sensor nodes via multiple hop communication. The method includes responding to an attack on the wireless sensor network by an adversary to locate critical nodes among the wireless sensor nodes by adaptively deploying a sequence of different routing mechanisms, by the WSN manager, to the wireless sensor nodes such that location privacy preservation (LPP) is protected by preventing detection of location of the critical nodes.

    EVENT-TRIGGERING CONTROL SCHEME FOR DISCRETE TIME CYBERPHYSICAL SYSTEMS IN THE PRESENCE OF SIMULTANEOUS HYBRID STOCHASTIC ATTACKS

    公开(公告)号:US20230291753A1

    公开(公告)日:2023-09-14

    申请号:US18181999

    申请日:2023-03-10

    CPC classification number: H04L63/1416 H04L63/1425 H04L63/1458

    Abstract: Methods, systems, and computer readable media to control a cyber physical system using an observer-based controller are described. The observer-based controller including a detector to determine an occurrence of an attack on the cyberphysical system and to inform the observer-based controller via a signal. An observer estimates a system state of the cyberphysical system based on at least partial information about the cyber physical system. The observer-based controller is configured with a predetermined observer gain and controller gain. The observer-based controller is configured to control the cyberphysical system using an estimated error determination that is altered depending on a type of cyber attack. The observer-based controller is configured to control the cyberphysical system subjected to cyber attacks in both a forward channel connecting at least one sensor with the observer and a backward channel connecting the observer-based controller with actuators.

    METHOD FOR LEAK DETECTION IN A FLUID CARRYING PIPELINE

    公开(公告)号:US20200187122A1

    公开(公告)日:2020-06-11

    申请号:US16794638

    申请日:2020-02-19

    Abstract: A wireless sensor network (WSN) includes a sensor node cluster having a plurality of sensor nodes positioned along a section of a pipeline; a base station; a designated cluster head for the sensor node cluster, the designated cluster head configured to forward sensor data packets towards the base station; and a server having circuitry. The circuitry is configured to determine when the designated cluster head has a battery energy level below a predetermined level, elect a replacement cluster head for the designated cluster head when the battery energy level is below the predetermined level, and forward an energy status of the designated cluster head to the replacement cluster head.

    ROTATING CLUSTERHEAD WIRELESS NETWORK FOR PIPELINE MONITORING

    公开(公告)号:US20190342730A1

    公开(公告)日:2019-11-07

    申请号:US16516313

    申请日:2019-07-19

    Abstract: The present disclosure relates to a clustering approach for sensor nodes of a wireless sensor network. This clustering approach, equal distance different members, balances the power burden amongst sensor nodes by deriving an optimal number of sensor nodes at each segment of a length. To this end, the present disclosure describes a linear wireless sensor network wherein the distance between adjacent cluster heads is equal while the number of and distance between sensor nodes in each cluster is different. A power consumption model is derived to aid in the determination of the optimal number of sensor nodes within each cluster. Following evaluation of the cluster approach in comparison with previously described approaches, the present disclosure is observed to improve network longevity and reduce power consumption by deliberately increasing the density of sensor nodes nearest a base station.

    METHOD FOR MINIMIZING ELECTRIC VEHICLE OUTAGE

    公开(公告)号:US20240034184A1

    公开(公告)日:2024-02-01

    申请号:US17878127

    申请日:2022-08-01

    CPC classification number: B60L53/68 B60L53/67 B60L53/66 B60L53/305 B60L53/63

    Abstract: A system, method, and non-transitory computer readable medium that assigns an electric vehicle to a charging station is described. The system includes a software-defined networking (SDN) controller application stored in a cloud-based computing platform, a computing device stored in the cloud platform, and a fog and cloud-based charging service application stored in the computing device. The SDN controller application is linked to a plurality of fog servers and is configured to manage network communications between the fog servers and the cloud-based computing platform, between the fog and a number S of charging stations CSs, where s=1, 2, . . . , S, and between the fog and a number I of electric vehicles EVi, where I=1, 2, . . . , I. The fog and cloud-based charging service application determines an optimal charging station CSopt for each electric vehicle and transmits a route to the optimal charging station to the EVi.

    EQUAL DISTANCE DIFFERENT MEMBERS NODE PLACEMENT METHOD AND SYSTEM

    公开(公告)号:US20190246248A1

    公开(公告)日:2019-08-08

    申请号:US15892143

    申请日:2018-02-08

    CPC classification number: H04W4/38 H04B17/18 H04W84/18

    Abstract: The present disclosure relates to a clustering approach for sensor nodes of a wireless sensor network. This clustering approach, equal distance different members, balances the power burden amongst sensor nodes by deriving an optimal number of sensor nodes at each segment of a length. To this end, the present disclosure describes a linear wireless sensor network wherein the distance between adjacent cluster heads is equal while the number of and distance between sensor nodes in each cluster is different. A power consumption model is derived to aid in the determination of the optimal number of sensor nodes within each cluster. Following evaluation of the cluster approach in comparison with previously described approaches, the present disclosure is observed to improve network longevity and reduce power consumption by deliberately increasing the density of sensor nodes nearest a base station.

    WIRELESS METHOD FOR DEPLOYING AND IDENTIFYING SENSORS BY A ROBOT

    公开(公告)号:US20190009411A1

    公开(公告)日:2019-01-10

    申请号:US16132025

    申请日:2018-09-14

    CPC classification number: B25J9/1664 H04W4/70 Y10S901/01

    Abstract: Described herein is a method of deploying sensors by a robot in a geographical region. The robot receives a first instruction including information corresponding to the geographical region and a second instruction indicating one of a first manner and a second manner of deploying sensors. The robot computes a path to traverse the region in a plurality of steps, each step of the plurality of steps having a predetermined magnitude. The robot traverses until a stopping condition is satisfied. The robot deploys sensors at each traversed step size and further receives from each deployed sensor, information indicating absence of sensors in a neighboring area of the deployed sensor. Additionally, the robot repeats the traversing and deploying of sensors in the neighboring area to provide full coverage.

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