Patents by Inventor Adishesha Chinknyakanhalli Sivaramasastry

Adishesha Chinknyakanhalli Sivaramasastry has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11153922
    Abstract: Disclosed is a method that includes receiving absolute wireless access point coordinates from wireless access points that define respective wireless access point positions of the wireless access points. The method includes orienting the directional antenna to orientations based on the absolute wireless access point coordinates. The method includes transmitting test signals to the respective wireless access points while the directional antenna is positioned at the orientations to generate the database entries associated with the respective wireless access point positions. The method includes orienting the directional antenna according to a first one of the database entries having a greatest likelihood to establish a first communications path between a first one of the wireless access points and the wireless endpoint. The method includes transmitting a data signal to the first one of the wireless access points with a minimum transmission power based on the database entries.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: October 19, 2021
    Assignee: ROSEMOUNT AEROSPACE, INC.
    Inventors: Ramamurthy Prasanna, Mahadevanna Shreshthi, Adishesha Chinknyakanhalli Sivaramasastry
  • Publication number: 20210112613
    Abstract: Disclosed is a method that includes receiving absolute wireless access point coordinates from wireless access points that define respective wireless access point positions of the wireless access points. The method includes orienting the directional antenna to orientations based on the absolute wireless access point coordinates. The method includes transmitting test signals to the respective wireless access points while the directional antenna is positioned at the orientations to generate the database entries associated with the respective wireless access point positions. The method includes orienting the directional antenna according to a first one of the database entries having a greatest likelihood to establish a first communications path between a first one of the wireless access points and the wireless endpoint. The method includes transmitting a data signal to the first one of the wireless access points with a minimum transmission power based on the database entries.
    Type: Application
    Filed: December 12, 2019
    Publication date: April 15, 2021
    Inventors: Ramamurthy Prasanna, Mahadevanna Shreshthi, Adishesha Chinknyakanhalli Sivaramasastry
  • Patent number: 10944623
    Abstract: Embodiments include a system for prognosis of a wireless aircraft network including a network manager including a network prognostic manager, one or more data controllers operably coupled to the network manager over a first connection, and one or more wireless nodes operably coupled to the one or more data controllers over a second connection, wherein the second connection is a different type of connection than the first connection, wherein the network manager includes a network prognostic manager, wherein the network prognostic manager. The network manager performs a method of receiving measured parameters from a wireless communications network, computing thresholds associated with the parameters, comparing the received parameters to the computed thresholds, identifying a failure condition based on the comparison of the received parameters to the computed thresholds, and based at least in part on the identified failure condition, executing a corrective action.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: March 9, 2021
    Assignee: ROSEMOUNT AEROSPACE INC.
    Inventors: Mahadevanna Shreshthi, Subhra Kanti Das, Adishesha Chinknyakanhalli Sivaramasastry
  • Patent number: 10870562
    Abstract: Embodiments herein relate to a permanent magnet (PM) motor driven hoist system. The hoist system includes a PM out-runner motor with a stator on a fixed central shaft with stator coils, and an outer rotor assembly coaxial with and rotatable about the stator. The rotor having a rotating housing with an outer surface radially outward of the shaft and an inner surface radially inward of the shaft and plurality of PMs disposed at the inner surface configured to magnetically couple with the stator. The rotating housing coupled to the cable drum such that rotation of the rotor assembly causes rotation of the cable drum. The system also includes a controller connected to a power source and the motor, configured to generate excitation signals applied to the stator coils to induce a torque in the outer rotor assembly and cause it to rotate about the stator and central shaft.
    Type: Grant
    Filed: January 17, 2018
    Date of Patent: December 22, 2020
    Assignee: GOODRICH CORPORATION
    Inventors: Ashok Kumar Thirunarayana, Adishesha Chinknyakanhalli Sivaramasastry, Subhra Kanti Das
  • Patent number: 10848302
    Abstract: Embodiments of the invention include techniques for implementing a network security framework for wireless aircraft communication, where the techniques include receiving a key index sequence over a first communication link, and transmitting a subset of the key index to one or more nodes. The techniques also include generating a random encryption key based at least in part on the subset of the key index sequence, encrypting data using the random encryption key, and transmitting the encrypted data over a second communication link.
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: November 24, 2020
    Assignee: SIMMONDS PRECISION PRODUCTS, INC.
    Inventors: Subhra Kanti Das, Adishesha Chinknyakanhalli Sivaramasastry, Michael A. Lynch, Kiran Thupakula
  • Patent number: 10827411
    Abstract: Systems and methods for wireless network deployment are provided. Aspects include scanning, by a network controller, a plurality of wireless channels to determine an energy level for each channel in the plurality of wireless channels. Selecting a primary channel and a secondary channel from the plurality of wireless channels based at least in part on the energy level. Selecting a primary wireless controller and a secondary wireless data controller for each of the plurality of the wireless sensor nodes and establishing wireless communication with each of a plurality of wireless sensors over the primary channel and the secondary channel.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: November 3, 2020
    Assignee: ROSEMOUNT AEROSPACE, INC
    Inventors: Ramamurthy Prasanna, Subhra Kanti Das, Adishesha Chinknyakanhalli Sivaramasastry
  • Patent number: 10666498
    Abstract: Embodiments of the invention include methods and systems for architectures for wireless avionics communication networks. The embodiments further include detecting a signal strength of wireless nodes, assigning a primary data controller and standby data controller for each of the wireless nodes based at least in part on the signal strength, and generating a deployment matrix based on the assignment of the primary data controller and the standby data controller. The embodiments also include broadcasting the deployment matrix over a wired connection, allocating a buffer size based on data rates of each of the wireless nodes connected to the primary data controller and the standby data controller, and exchanging data based on the deployment matrix.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: May 26, 2020
    Assignee: ROSEMOUNT AEROSPACE INC.
    Inventors: Subhra Kanti Das, Adishesha Chinknyakanhalli Sivaramasastry, Ramamurthy Prasanna
  • Publication number: 20200092788
    Abstract: Systems and methods for wireless network deployment are provided. Aspects include scanning, by a network controller, a plurality of wireless channels to determine an energy level for each channel in the plurality of wireless channels. Selecting a primary channel and a secondary channel from the plurality of wireless channels based at least in part on the energy level. Selecting a primary wireless controller and a secondary wireless data controller for each of the plurality of the wireless sensor nodes and establishing wireless communication with each of a plurality of wireless sensors over the primary channel and the secondary channel.
    Type: Application
    Filed: April 15, 2019
    Publication date: March 19, 2020
    Inventors: Ramamurthy Prasanna, Subhra Kanti Das, Adishesha Chinknyakanhalli Sivaramasastry
  • Patent number: 10501293
    Abstract: Embodiments herein relate to a permanent magnet (PM) motor driven hoist with a motor based electromagnetic brake. The hoist includes a direct current (DC) power source, a PM motor having stator coils and a PM rotor operably coupled to a cable drum with a cable wrapped thereon. The hoist also includes a controller operably connected to the direct current power source and the PM motor, wherein the controller is configured to control the PM motor employing a method to brake the PM motor. The method includes generating control signals in the controller based on a position of the PM motor, applying a braking command signal to the PM motor to magnetically lock the PM rotor of the PM motor for a selected duration, removing the braking command signals for a second selected duration, and repeating the generating, applying, and removing until the PM motor has stopped.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: December 10, 2019
    Assignee: GOODRICH AEROSPACE SERVICES PRIVATE LIMITED
    Inventors: Ashok Kumar Thirunarayana, Adishesha Chinknyakanhalli Sivaramasastry
  • Publication number: 20190363930
    Abstract: Embodiments include a system for prognosis of a wireless aircraft network including a network manager including a network prognostic manager, one or more data controllers operably coupled to the network manager over a first connection, and one or more wireless nodes operably coupled to the one or more data controllers over a second connection, wherein the second connection is a different type of connection than the first connection, wherein the network manager includes a network prognostic manager, wherein the network prognostic manager. The network manager performs a method of receiving measured parameters from a wireless communications network, computing thresholds associated with the parameters, comparing the received parameters to the computed thresholds, identifying a failure condition based on the comparison of the received parameters to the computed thresholds, and based at least in part on the identified failure condition, executing a corrective action.
    Type: Application
    Filed: July 25, 2018
    Publication date: November 28, 2019
    Inventors: Mahadevanna Shreshthi, Subhra Kanti Das, Adishesha Chinknyakanhalli Sivaramasastry
  • Publication number: 20190337488
    Abstract: A windshield wiper system (WWS) is provided. The WWS includes a wiper blade movable across a maximum sweep angle, a sector gear, a wiper arm coupled at opposite ends thereof to the wiper blade and the sector gear and a bi-directional motor. The bi-directional motor includes a motor shaft and a pinion gear disposed on the motor shaft to engage with the sector gear. The bi-directional motor is operable to drive rotations of the pinion and sector gears in opposite directions via the motor shaft to thereby drive opposite movements of the wiper blade via the wiper arm, respectively, without risking loss of engagement between the pinion and sector gears.
    Type: Application
    Filed: October 18, 2018
    Publication date: November 7, 2019
    Inventors: Ashok Kumar Thirunarayana, Adishesha Chinknyakanhalli Sivaramasastry, Subhra Kanti Das
  • Publication number: 20190334760
    Abstract: Embodiments of the invention include methods and systems for architectures for wireless avionics communication networks. The embodiments further include detecting a signal strength of wireless nodes, assigning a primary data controller and standby data controller for each of the wireless nodes based at least in part on the signal strength, and generating a deployment matrix based on the assignment of the primary data controller and the standby data controller. The embodiments also include broadcasting the deployment matrix over a wired connection, allocating a buffer size based on data rates of each of the wireless nodes connected to the primary data controller and the standby data controller, and exchanging data based on the deployment matrix.
    Type: Application
    Filed: June 22, 2018
    Publication date: October 31, 2019
    Inventors: Subhra Kanti Das, Adishesha Chinknyakanhalli Sivaramasastry, Ramamurthy Prasanna
  • Patent number: 10455445
    Abstract: A data aggregator includes a traffic characterization module, a rate estimator, a data regulator, and a sensor data transmission interface. The traffic characterization module is operable to generate a predicted quality of service for a plurality of sensors having one or more data rates and a plurality of priorities. The rate estimator is operable to generate a plurality of required data rates to maintain a target quality of service for one or more data consumers of an avionic communication network based on the predicted quality of service. The data regulator is operable to hold and release a plurality of sensor data from the sensors in one or more queues at the required data rates as a regulated data flow. The sensor data transmission interface is operable transmit the regulated data flow to the one or more data consumers.
    Type: Grant
    Filed: August 23, 2017
    Date of Patent: October 22, 2019
    Assignee: ROSEMOUNT AEROSPACE INC.
    Inventors: Subhra Kanti Das, Adishesha Chinknyakanhalli Sivaramasastry
  • Publication number: 20190319786
    Abstract: Embodiments of the invention include techniques for implementing a network security framework for wireless aircraft communication, where the techniques include receiving a key index sequence over a first communication link, and transmitting a subset of the key index to one or more nodes. The techniques also include generating a random encryption key based at least in part on the subset of the key index sequence, encrypting data using the random encryption key, and transmitting the encrypted data over a second communication link.
    Type: Application
    Filed: June 7, 2018
    Publication date: October 17, 2019
    Inventors: Subhra Kanti Das, Adishesha Chinknyakanhalli Sivaramasastry, Michael A. Lynch, Kiran Thupakula
  • Publication number: 20190016571
    Abstract: Embodiments herein relate to a permanent magnet (PM) motor driven hoist system. The hoist system includes a PM out-runner motor with a stator on a fixed central shaft with stator coils, and an outer rotor assembly coaxial with and rotatable about the stator. The rotor having a rotating housing with an outer surface radially outward of the shaft and an inner surface radially inward of the shaft and plurality of PMs disposed at the inner surface configured to magnetically couple with the stator. The rotating housing coupled to the cable drum such that rotation of the rotor assembly causes rotation of the cable drum. The system also includes a controller connected to a power source and the motor, configured to generate excitation signals applied to the stator coils to induce a torque in the outer rotor assembly and cause it to rotate about the stator and central shaft.
    Type: Application
    Filed: January 17, 2018
    Publication date: January 17, 2019
    Inventors: Ashok Kumar Thirunarayana, Adishesha Chinknyakanhalli Sivaramasastry, Subhra Kanti Das
  • Publication number: 20180376367
    Abstract: A data aggregator includes a traffic characterization module, a rate estimator, a data regulator, and a sensor data transmission interface. The traffic characterization module is operable to generate a predicted quality of service for a plurality of sensors having one or more data rates and a plurality of priorities. The rate estimator is operable to generate a plurality of required data rates to maintain a target quality of service for one or more data consumers of an avionic communication network based on the predicted quality of service. The data regulator is operable to hold and release a plurality of sensor data from the sensors in one or more queues at the required data rates as a regulated data flow. The sensor data transmission interface is operable transmit the regulated data flow to the one or more data consumers.
    Type: Application
    Filed: August 23, 2017
    Publication date: December 27, 2018
    Inventors: Subhra Kanti Das, Adishesha Chinknyakanhalli Sivaramasastry
  • Publication number: 20180215592
    Abstract: Embodiments herein relate to a permanent magnet (PM) motor driven hoist with a motor based electromagnetic brake. The hoist includes a direct current (DC) power source, a PM motor having stator coils and a PM rotor operably coupled to a cable drum with a cable wrapped thereon. The hoist also includes a controller operably connected to the direct current power source and the PM motor, wherein the controller is configured to control the PM motor employing a method to brake the PM motor. The method includes generating control signals in the controller based on a position of the PM motor, applying a braking command signal to the PM motor to magnetically lock the PM rotor of the PM motor for a selected duration, removing the braking command signals for a second selected duration, and repeating the generating, applying, and removing until the PM motor has stopped.
    Type: Application
    Filed: March 28, 2017
    Publication date: August 2, 2018
    Inventors: Ashok Kumar Thirunarayana, Adishesha Chinknyakanhalli Sivaramasastry