Patents by Inventor Sandeep Sudi
Sandeep Sudi 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: 12006185Abstract: A monitoring system includes one or more detection devices, a communication device, and an analytics system. The one or more detection devices generate, at a conveyance system, one or more data streams describing the ride of the conveyance system, where the data streams include at least one of vibration data and audio data. The communication device transmits sensor data based on the one or more data streams. The analytics system receives the sensor data from the communication device and, based on the sensor data, determines a ride quality of the conveyance system.Type: GrantFiled: October 19, 2018Date of Patent: June 11, 2024Assignee: OTIS ELEVATOR COMPANYInventors: Soumalya Sarkar, Teems E. Lovett, Paul R. Braunwart, Sudarshan N. Koushik, Nikola Trcka, George Scott Copeland, George S. Ekladious, Peter Liaskas, Sandeep Sudi
-
Patent number: 11964846Abstract: A method of detecting a location of a conveyance apparatus within a conveyance system including: detecting a sync sensor along a path of a conveyance apparatus at a first point in time, the sync sensor being at a known location along the path of the conveyance apparatus; monitoring a first acceleration of the conveyance apparatus along a first axis from the first point in time to a second point in time; determining a first distance away from the sync sensor along the path of the conveyance apparatus in response to the first acceleration of the conveyance apparatus and a period of time between the first point in time and the second point in time; and determining a first location of the conveyance apparatus along the path of the conveyance apparatus in response to the known location of the sync sensor and the first distance away from the sync sensor.Type: GrantFiled: April 12, 2019Date of Patent: April 23, 2024Assignee: OTIS ELEVATOR COMPANYInventors: Sandeep Sudi, Nikola Trcka
-
Patent number: 11932514Abstract: Elevator systems and methods are provided. The systems include an elevator car movable within an elevator shaft, the elevator car includes an elevator car door interlock device operable to open and close elevator car doors, a plurality of landing doors located at respective landings along the elevator shaft, wherein each landing door includes a landing door interlock device operable to open and close a respective landing door, wherein each landing door interlock device is engageable by the elevator car door interlock device to enable operation of the elevator car doors and the respective landing door simultaneously. An elevator component inspection system is configured with a detector located on the top of the elevator car and arranged to monitor the interlock devices, wherein the detector obtains inspection data associated with the elevator car door interlock device and the plurality of landing door interlock devices.Type: GrantFiled: January 5, 2023Date of Patent: March 19, 2024Assignee: OTIS ELEVATOR COMPANYInventors: Sandeep Sudi, Daniel M. Tripp
-
Publication number: 20230348225Abstract: An illustrative example elevator system includes a plurality of elevator cars. A dispatch controller assigns a first one of the elevator cars to travel to a landing in response to a first request for elevator service at that landing. At least one call button is operative to place a second request while the first one of the elevator cars is situated at the landing in response to the first request. The dispatch controller assigns a second one of the elevator cars to travel to the landing in response to the second request.Type: ApplicationFiled: July 11, 2023Publication date: November 2, 2023Inventors: Bradley Armand Scoville, Sandeep Sudi
-
Patent number: 11767193Abstract: An illustrative example elevator system includes a plurality of elevator cars. A dispatch controller assigns a first one of the elevator cars to travel to a landing in response to a first request for elevator service at that landing. At least one call button is operative to place a second request while the first one of the elevator cars is situated at the landing in response to the first request. The dispatch controller assigns a second one of the elevator cars to travel to the landing in response to the second request.Type: GrantFiled: January 28, 2019Date of Patent: September 26, 2023Assignee: OTIS ELEVATOR COMPANYInventors: Bradley Armand Scoville, Sandeep Sudi
-
Patent number: 11724909Abstract: An illustrative example method of controlling an elevator system includes detecting a number of passengers waiting for elevator service at a landing, detecting an available passenger capacity of a plurality of elevator cars, respectively, and assigning at least one of the elevator cars to travel to the landing to provide elevator service to the passengers based on the detected number of passengers and the available passenger capacity of the at least one of the elevator cars.Type: GrantFiled: April 18, 2019Date of Patent: August 15, 2023Assignee: OTIS ELEVATOR COMPANYInventors: Sandeep Sudi, Robert Costabile
-
Patent number: 11685631Abstract: A method of operating a building elevator system having a plurality of elevator systems organized into an elevator group including: detecting crowd data within an elevator lobby proximate the elevator group on a landing; determining a level of crowdedness in response to the crowd data; determining at least two elevator cars of the plurality of elevator systems are required in response to the level of crowdedness; dispatching an elevator car of a first elevator system of the plurality of elevator systems to the landing; dispatching an elevator car of a second elevator system of the plurality of elevator systems to the landing; and coordinating an arrival time of the elevator car of the first elevator system at the landing and an arrival time of the elevator car of the second elevator system at the landing.Type: GrantFiled: May 31, 2019Date of Patent: June 27, 2023Assignee: OTIS ELEVATOR COMPANYInventor: Sandeep Sudi
-
Patent number: 11673769Abstract: An illustrative example embodiment of an elevator system includes a machine including a motor and a brake. The machine is configured to selectively cause movement of an elevator car. At least one vibration sensor situated near the machine provides an indication of operation of the machine to indicate at least stops and starts of the machine associated with stopping and starting movement of the elevator car.Type: GrantFiled: August 21, 2018Date of Patent: June 13, 2023Assignee: OTIS ELEVATOR COMPANYInventors: Sandeep Sudi, Michael C. Lang, Martin J. Hardesty
-
Patent number: 11661307Abstract: An aspect includes capturing crowd data associated with a lobby area of an elevator system. A dispatching schedule of one or more elevator cars of the elevator system is adjusted based on the crowd data. A notification of the adjustment to the dispatching schedule is output.Type: GrantFiled: April 1, 2019Date of Patent: May 30, 2023Assignee: OTIS ELEVATOR COMPANYInventors: Sandeep Sudi, Bradley Armand Scoville
-
Publication number: 20230150796Abstract: Elevator systems and methods are provided. The systems include an elevator car movable within an elevator shaft, the elevator car includes an elevator car door interlock device operable to open and close elevator car doors, a plurality of landing doors located at respective landings along the elevator shaft, wherein each landing door includes a landing door interlock device operable to open and close a respective landing door, wherein each landing door interlock device is engageable by the elevator car door interlock device to enable operation of the elevator car doors and the respective landing door simultaneously. An elevator component inspection system is configured with a detector located on the top of the elevator car and arranged to monitor the interlock devices, wherein the detector obtains inspection data associated with the elevator car door interlock device and the plurality of landing door interlock devices.Type: ApplicationFiled: January 5, 2023Publication date: May 18, 2023Inventors: Sandeep Sudi, Daniel M. Tripp
-
Patent number: 11591183Abstract: Methods and systems for enhancing sensor operation are provided. Aspects includes obtaining, by a primary sensor, primary sensor data associated with an electrical mechanical system, obtaining, by at least one secondary sensor, secondary sensor data associated with the electrical mechanical system, and analyzing the primary sensor data responsive to a determination of a predetermined state of the electrical mechanical system based on the secondary sensor data.Type: GrantFiled: December 28, 2018Date of Patent: February 28, 2023Assignee: OTIS ELEVATOR COMPANYInventors: Peter Liaskas, Nikola Trcka, Sandeep Sudi, Leslie Lamontagne
-
Patent number: 11577932Abstract: Elevator systems and methods are provided. The systems include an elevator car movable within an elevator shaft, the elevator car includes an elevator car door interlock device operable to open and close elevator car doors, a plurality of landing doors located at respective landings along the elevator shaft, wherein each landing door includes a landing door interlock device operable to open and close a respective landing door, wherein each landing door interlock device is engageable by the elevator car door interlock device to enable operation of the elevator car doors and the respective landing door simultaneously. An elevator component inspection system is configured with a detector located on the top of the elevator car and arranged to monitor the interlock devices, wherein the detector obtains inspection data associated with the elevator car door interlock device and the plurality of landing door interlock devices.Type: GrantFiled: July 26, 2018Date of Patent: February 14, 2023Assignee: OTIS ELEVATOR COMPANYInventors: Sandeep Sudi, Daniel M. Tripp
-
Patent number: 11535486Abstract: Methods and systems for determining elevator car locations are provided. Aspects includes operating, by a processor, a machine room sensor to collect vibration data associated with one or more components in a machine room of an elevator system, wherein the elevator system comprises an elevator car and a hoistway and analyzing the vibration data to determine a position of the elevator car in the hoistway.Type: GrantFiled: August 21, 2018Date of Patent: December 27, 2022Assignee: OTIS ELEVATOR COMPANYInventor: Sandeep Sudi
-
Publication number: 20220315381Abstract: Provided are embodiment for a method and a system for filtering unintended requests. The embodiments can include receiving an input to disable an elevator lock for an elevator car, and determining whether to unlock the elevator lock. The embodiments can also include unlocking the elevator lock based at least in part on the determination and permitting or prohibiting motion of the elevator car responsive to the determination.Type: ApplicationFiled: April 2, 2021Publication date: October 6, 2022Inventor: Sandeep Sudi
-
Patent number: 11286133Abstract: An elevator system includes a component adapted to perform a function, a sensor, and a control configuration. The sensor is configured to detect an operating parameter associated with the function. The control configuration is configured to receive a parameter signal from the sensor, and extract a predesignated feature from data associated with the parameter signal. The predesignated feature is then aggregated by the control configuration and machine learning is applied to determine a degradation level of the function associated with the predesignated feature.Type: GrantFiled: July 9, 2018Date of Patent: March 29, 2022Assignee: OTIS ELEVATOR COMPANYInventors: Nikola Trcka, Teems E. Lovett, Sandeep Sudi, Paul R. Braunwart, Sudarshan N. Koushik, Peter Liaskas
-
Publication number: 20220033220Abstract: A system includes an elevator system including an elevator car. The system also includes a control system configured to receive a crowd reduction indicator, determine an elevator car load reduction for the elevator car based on the crowd reduction indicator, adjust an elevator car load limit based on the elevator car load reduction, and trigger a mitigation action in the elevator system based on detecting a condition that exceeds the elevator car load limit.Type: ApplicationFiled: July 21, 2021Publication date: February 3, 2022Inventors: Sandeep Sudi, Vijayakumar Marada, Phani Krishna Pogula
-
Patent number: 11046552Abstract: A method of avoiding unnecessary safety brake actuation in an elevator system. The method includes determining whether a true overspeed or overacceleration condition of an elevator car is present. The method also includes activating the electronic safety actuator if a true overspeed or overacceleration condition of the elevator car.Type: GrantFiled: April 30, 2018Date of Patent: June 29, 2021Assignee: OTIS ELEVATOR COMPANYInventors: Sandeep Sudi, Joseph Crute, Arthur T. Grondine, Randall S. Dube, Daryl J. Marvin
-
Patent number: 11040854Abstract: A method of operating an elevator or escalator system is provided. The method includes alerting a mechanic of a shutdown of a vehicle of the elevator or escalator system and providing data indicative of an occupancy condition of the vehicle to the mechanic so that the mechanic can execute, in any order, a verification of a no-occupancy condition, a switch of a mode of operation of the elevator or escalator system to a recovery mode and an inspection for faults. The method further includes initiating an overspeed (OS) switch reset routine in an event the mechanic confirms that an actuation of the OS switch is an exclusive cause of the shutdown and remotely triggers the OS switch reset routine accordingly.Type: GrantFiled: March 3, 2018Date of Patent: June 22, 2021Assignee: OTIS ELEVATOR COMPANYInventors: Sandeep Sudi, Aayush Desai
-
Patent number: 11034545Abstract: A method of testing elevator car braking distance includes verifying that an elevator car is empty. The method also includes initiating a test procedure. The method further includes triggering a safety actuation device to actuate at least one safety brake to stop an elevator car. The method yet further includes recording braking data during a braking period. The method also includes recording braking data with at least one piece of elevator car equipment. The method further includes generating a braking data report that includes at least one of braking distance and braking deceleration of the elevator car.Type: GrantFiled: March 26, 2018Date of Patent: June 15, 2021Assignee: OTIS ELEVATOR COMPANYInventor: Sandeep Sudi
-
Patent number: 10961082Abstract: An elevator system is provided. Aspects includes at least one elevator car and a camera affixed to the at least one elevator car, wherein the camera is operated by a controller. The controller is configured to automatically capture, from the camera, media associated with a set of locations, wherein the set of locations are associated with the at least one elevator car. A transceiver transmits one or more sequences of the media captured from the camera.Type: GrantFiled: January 2, 2018Date of Patent: March 30, 2021Assignee: OTIS ELEVATOR COMPANYInventors: Sandeep Sudi, Frank Higgins