Patents Examined by David Earl Ogg
  • Patent number: 11561530
    Abstract: A method for predicting and compensating frictions of a feed system includes following steps: constantly obtaining current signals and angle-position signals of a motor by a motor driver of a feed system after being activated; calculating frictions of the motor upon each rotating position according to the obtained current signals and angle-position signals and generating multiple records of friction data; creating a friction model according to the multiple records of friction data and the angle-position signals each respectively corresponding to each record of friction data with respect to each rotating position; importing current angle-position signal of the motor to the friction model for predicting a predicted friction; calculating a compensation current based on the predicted friction; and, controlling the motor driver to additionally provide the compensation current to the motor for conquering an upcoming friction of the feed system approximate to the predicted friction.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: January 24, 2023
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Chia-Yen Lee, Yu-Hsiang Cheng, Chia-Hui Chen, Ping-Chun Tsai
  • Patent number: 11550286
    Abstract: A technique is desired that can output a warning to a user before a buffer of a controller runs out of a free space. A control apparatus includes a buffer for buffering log data sequentially generated, an interface unit connectable with an external storage device, a writing unit for sequentially reading the log data buffered to the buffer and sequentially writing the log data to the external storage device while the external storage device is connected to the interface unit, a monitoring unit for monitoring a free space of the buffer, and a warning unit for outputting a warning upon the free space falling below a prescribed value.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: January 10, 2023
    Assignee: OMRON Corporation
    Inventor: Yuta Nagata
  • Patent number: 11543814
    Abstract: Predictive maintenance methods and systems, including a method of applying transfer entropy techniques to find a causal link between parameters; a method of applying quality weighting to context data based on a priori knowledge of the accuracy of the context data; a method of detecting a maintenance action from parameter data by detecting a step and a process capability improvement; a method of managing unattended alerts by considering cost/benefit of attending to one or more alerts over time and assigning alert expiry time and/or ranking the alerts accordingly; a method of displaying components of a complex system in a functional way enabling improvements in system diagnostics; a method of determining the time of an event indicator in time series parameter data; a method of classifying an event associated with a fault condition occurring within a system; and a method of determining whether an event recorded in parameter data is attributable to an external factor.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: January 3, 2023
    Assignee: ASML NETHERLANDS B.V.
    Inventors: David Evert Song Kook Sigtermans, René Fussenich, Adam Marek Kielczewski, Errol Arthur Zalmijn, Marcel Richard André Brunt, Stefan Lucian Voinea
  • Patent number: 11545913
    Abstract: The present disclosure relates to a device, comprising a first inverter, wherein the first inverter is configured to invert a DC input voltage into an AC output voltage, a first controller, wherein the first controller is configured to provide a reference voltage for the first inverter on the basis of an AC output current of the first inverter, a second inverter, wherein the second inverter is configured to invert a DC input voltage into an AC output voltage, a second controller, wherein the second controller is configured to provide a reference voltage for the second inverter on the basis of an AC output current of the second inverter, wherein the first inverter and the first controller form a first Hopf oscillator, wherein the second inverter and second controller form a second Hopf oscillator, and wherein the first Hopf oscillator is coupled to the second Hopf oscillator.
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: January 3, 2023
    Assignee: HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
    Inventors: Shousong Ou, Mingshen Li, Josep Maria Guerrero, Juan Carlos Vasquez
  • Patent number: 11537117
    Abstract: A method for setting alarm levels for a machine provides defining at least one condition indicator reflecting the condition of the machine with respect to a defect to be monitored of the machine, the at least one condition indicator defined from machine kinematic data, recording measurements of process related parameters during a predetermined period during which the machine is operating normally, calculating at least one condition indicator value for the at least one condition indicator) using machine condition data, determining a graph of the at least one condition indicator value as a function of a first process related parameter chosen from the measured process related parameters, dividing the graph into operating classes, each operating class being representative of different operating conditions of the machine, calculating an alarm level value for each operating class, setting the determined alarm level value at the midpoint of each operating class.
    Type: Grant
    Filed: July 26, 2021
    Date of Patent: December 27, 2022
    Assignee: Aktiebolaget SKF
    Inventors: Joakim Bergstrom, Per-Erik Larsson
  • Patent number: 11531315
    Abstract: A distributed control system includes: a plurality of control devices; a process IO master device shared by the control devices and including an output authority table and an output data memory having areas for storing data outputted from the control devices; and a plurality of process IO modules connected to the process IO master device and each connected to a sensor/actuator, wherein the output authority table provides an authority that determines the control device of which output data is to be adopted, for each of addresses corresponding to the actuators.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: December 20, 2022
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventor: Tomoyuki Kajita
  • Patent number: 11525270
    Abstract: An automated drywalling system network that including one or more automated drywalling systems that each has a robotic arm. The automated drywalling system network can also include a computational planner that generates instructions for the one or more automated drywalling systems to perform two or more drywalling tasks associated with a target wall assembly. The two or more drywalling tasks can include a hanging task that includes hanging pieces of drywall on studs of the target wall assembly; a mudding task that includes applying joint compound to pieces of drywall hung on studs of the target wall assembly; a sanding task that includes sanding joint compound applied to the pieces of drywall hung on studs of the target wall assembly; and a painting task that includes painting sanded the joint compound applied to the pieces of drywall hung on studs of the target wall assembly.
    Type: Grant
    Filed: October 1, 2019
    Date of Patent: December 13, 2022
    Assignee: Canvas Construction, Inc.
    Inventors: Maria J. Telleria, Gabriel F. Hein, Kevin B. Albert, Thomas F. Allen, Charlie Yan
  • Patent number: 11507076
    Abstract: A computer readable network analysis program of performing local modeling analysis of determining an estimated value of a current network quality corresponding to explanatory variable vector in current aggregated data based on a local model including local training data; determining an abnormality in the network based on whether or not a measured value of the current network quality is lower than a threshold; determining whether or not a distribution of the connections having the measured value of the network quality exceeding the threshold is present in a large size; extracting an individual-analysis-target connection group including more than predetermined proportions of connections in the distribution of the connections having the large size; and performing the local modeling analysis to the individual-analysis-target connection group and the remaining connection groups to determine the abnormality in the network.
    Type: Grant
    Filed: June 10, 2020
    Date of Patent: November 22, 2022
    Assignee: FUJITSU LIMITED
    Inventors: Fumiyuki Iizuka, Hitoshi Ueno
  • Patent number: 11487270
    Abstract: An industrial machine management system includes circuitry that collects changeable setting data of an industrial machine, determines, based on the setting data at each time point of multiple time points, whether a change has been made to the setting data, obtains change information regarding the change when the change is determined as having been made to the setting data, determines whether a predetermined event has occurred in the industrial machine, identifies, when the predetermined event is determined as having occurred, the change information such that the change information is related to the predetermined event, and outputs the change information that is identified.
    Type: Grant
    Filed: January 27, 2020
    Date of Patent: November 1, 2022
    Assignee: Kabushiki Kaisha Yaskawa Denki
    Inventor: Mitsuaki Nakanishi
  • Patent number: 11474495
    Abstract: In the technical field of industrial automation, a fault diagnosis method and apparatus for a numerical control machine tool are disclosed which can improve the efficiency of diagnosing faults of numerical control machine tools by utilizing feedback information provided by users. In a fault diagnosis method of an embodiment, the fault diagnosis apparatus receives a fault symptom to be diagnosed from a user terminal, diagnoses the fault for the fault symptom to be diagnosed, returns a fault diagnosis result to the user terminal, receives feedback on the fault diagnosis result from the user terminal, and adjusts the diagnosis policy for the fault symptom to be diagnosed according to the fault diagnosis result if the feedback of the user on the fault diagnosis result indicates that the fault has been cleared.
    Type: Grant
    Filed: September 30, 2017
    Date of Patent: October 18, 2022
    Assignee: Siemens Aktiengesellschaft
    Inventors: Qi Sun, Armin Roux, Yunhua Fu, Shun Jie Fan
  • Patent number: 11454103
    Abstract: Methods, systems, and techniques for controlling the rate of penetration of a drill bit are described. In particular, an operate control loop is evaluated by: determining a travelling block acceleration of a travelling block; determining an acceleration error measurement between the travelling block acceleration and a target travelling block acceleration; determining, based on the acceleration error measurement, a brake control signal; and using the brake control signal to control a braking mechanism configured to apply a variable braking force to the travelling block.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: September 27, 2022
    Inventors: Quinn Harrison Hepburn, Trevor Leigh Holt
  • Patent number: 11449031
    Abstract: A method includes: acquiring time-series data of a control input and a control output; calculating a variable parameter that minimizes an evaluation function, based on observation values of the control input and the control output; and updating the variable parameter with the calculated variable parameter. The evaluation function includes: a first function part that evaluates an entire error that is a control error of the entire observation period and increases the output value as the entire error increases; and at least one of: a second function part that evaluates a sectional error that is a control error of a particular section in the observation period and increases the output value as the sectional error increases; and a third function part that evaluates an instantaneous error that is a control error of a particular time point in the observation period and increases the output value as the instantaneous error increases.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: September 20, 2022
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventor: Eisuke Takahashi
  • Patent number: 11449047
    Abstract: A method for operating an industrial automation system may involve receiving, via a first module of a plurality of modules in a control system, an indication that an error between a measurement associated with a target variable that corresponds with at least a portion of the industrial automation system and a modeled value for the target variable. The method may then involve determining, via the first module, whether the error is within a first range of values and retraining a model used to generate the modeled value for the target variable based on a portion of a plurality of sets of data points acquired via a plurality of sensors disposed in the industrial automation system in response to the error being within the first range of values.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: September 20, 2022
    Assignee: Rockwell Automation Technologies, Inc.
    Inventors: Bijan SayyarRodsari, Alexander B. Smith, Kadir Liano, Wei Dai, Yash P. Puranik
  • Patent number: 11447963
    Abstract: A method of generating a building assembly that includes spraying a coating material onto a plurality of pieces of substrate disposed on a first assembly face. The spraying includes spraying the coating material onto the plurality of pieces of substrate via a sprayer configured to apply the coating material to a target surface via a nozzle coupled with a mobile storage container storing the coating material, the coating material impregnating voids of the substrate. The method also includes allowing the coating material impregnating the voids to dry and harden and become rigid to generate the building assembly.
    Type: Grant
    Filed: January 13, 2020
    Date of Patent: September 20, 2022
    Assignee: CANVAS CONSTRUCTION, INC.
    Inventors: Maria J. Telleria, Henrik Bennetsen, Gabriel F. Hein, Jonathan B. Pompa, Kevin B. Albert, David Warner
  • Patent number: 11422533
    Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for controlling equipment are provided. One of the method includes: acquiring distance data between a current position and a target position of transportation equipment; and controlling operations of the transportation equipment and a lifting device of the transportation equipment according to the distance data, comprising: determining, based on a current elevation of the lifting device, a target elevation of the lifting device, and the distance data, an elevating speed of the lifting device and a travel speed of the transportation equipment; and controlling the lifting device to elevate or lower at the elevating speed from the current elevation to the target elevation, and controlling the transportation equipment to travel at the travel speed.
    Type: Grant
    Filed: July 3, 2020
    Date of Patent: August 23, 2022
    Assignee: Cainiao Smart Logistics Holding Limited
    Inventors: Qin Zhou, Xiang Zhong, Jianjun Li, Maolin Chen, Xinhua Yu
  • Patent number: 11409272
    Abstract: A computer program, a computer-readable medium and to a system and method for checking an industrial facility formed as an automation facility, wherein real components of a provided real facility and/or data stemming from the real facility and/or simulated components of a provided simulated facility and/or data stemming simulated facility are manipulated using a computer program that includes at least one random algorithm, in particular during ongoing operation, such that random-based fault situations are caused in the real facility and/or the simulated facility.
    Type: Grant
    Filed: February 11, 2020
    Date of Patent: August 9, 2022
    Assignee: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Elisabeth Heindl, Neidig Joerg, Thomas Trenner
  • Patent number: 11392100
    Abstract: Disclosed techniques include energy management based on modularized energy control using pooling. Operating data is obtained from a plurality of energy modules within an energy storage system. The plurality of energy modules is pooled. One or more operating goals are obtained for the plurality of energy modules. The operating goals can be based on cost, availability, or energy module status. One or more processors are used to analyze the operating data, the one or more operating goals, energy demand, and energy module operating health. The operation of one or more of the plurality of energy modules is controlled based on the analysis. The energy modules can be a pooled homogeneous bank of energy modules. The homogeneous banks can be pooled into heterogeneous energy modules. The pools can include dynamically added energy module peers.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: July 19, 2022
    Assignee: Energy Internet Corporation
    Inventors: Shankar Ramamurthy, Robert A. Gingell, Jr., Sudhir Ramtirth Joshi
  • Patent number: 11392150
    Abstract: Various embodiments of the present disclosure provide an electronic inflator configured to direct pressurized air into an inflatable object, to monitor the air pressure inside the inflatable object, and to automatically stop directing pressurized air into the inflatable object after determining that the air pressure inside the inflatable object has reached a preset pressure.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: July 19, 2022
    Assignee: Stopak India Pvt. Ltd.
    Inventors: Sunil Konantambigi, Ryan Fowler
  • Patent number: 11392101
    Abstract: Disclosed are systems and methods for providing secure refrigerated bin systems. A method includes receiving, from a medication dispensing console via a communication interface, an access command for a selected compartment of a plurality of compartments, each for storing one or more medicines, wherein at least one of the plurality of compartments is lockable. The method also includes identifying, responsive to receiving the access command, one or more medications in the selected compartment, determining a safe temperature range of the identified one or more medications, determining, responsive to the received access command, a condition of the selected compartment based on whether sensor data recorded by one or more sensors conforms to one or more parameters including the safe temperature range, and setting, based on the determined condition, an access state of at least one of the selected compartment and a lockable door controlling access to the plurality of compartments.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: July 19, 2022
    Assignee: CAREFUSION 303, INC.
    Inventors: Honey Garg, Magnus Felke, William Blackledge
  • Patent number: 11378946
    Abstract: Embodiments of the present invention provide a predictive maintenance method for a component of a production tool, in which a time series prediction (TSP) algorithm and an information criterion algorithm are adapted to build a TSP model, thereby forecasting the complicated future trend of accidental shutdown of the component of the production tool. In addition, an alarm scheme is provided for performing maintenance immediately when the component is very likely to enter a dead state, and a death related indicator (DCI) is provided for quantitatively showing the possibility of the component entering the dead state.
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: July 5, 2022
    Assignee: NATIONAL CHENG KUNG UNIVERSITY
    Inventors: Chin-Yi Lin, Yu-Ming Hsieh, Fan-Tien Cheng, Hsien-Cheng Huang