Patents by Inventor Mikko Paakkinen

Mikko Paakkinen 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: 11218097
    Abstract: A method for determining a rotor position of an electric motor, an elevator and an electrical converter unit are presented. The method comprises supplying a first excitation signal to the electric motor, determining a first response signal generated in the motor in response to the first excitation signal, determining, based on the first response signal, an electrical angle of a direct axis of the motor with respect to a stationary reference frame, supplying a second excitation signal to the motor, wherein the second excitation signal is based on the determined electrical angle, determining a second response signal generated in the motor in response to the second excitation signal, and determining the rotor position based on the second response signal.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: January 4, 2022
    Assignee: KONE Corporation
    Inventors: Tuukka Kauppinen, Lauri Stolt, Mikko Paakkinen
  • Publication number: 20210373879
    Abstract: A people conveyor system and a method for software update of a people conveyor component in a people conveyor system, such as an elevator system, an escalator system and/or a moving walkway system. The conveyor system comprises a plurality of conveyor components, each said conveyor component comprising a memory and a processor running an application software, an updating means for updating conveyor component software, the updating means being communicatively connected to the conveyor components, wherein the updating means comprises or is connected to a processor and a memory, and at least one communication channel, arranged between the updating means and a remote update system.
    Type: Application
    Filed: April 27, 2021
    Publication date: December 2, 2021
    Applicant: Kone Corporation
    Inventors: Tuukka KAUPPINEN, Risto JOKINEN, Mikko PAAKKINEN
  • Publication number: 20210373880
    Abstract: A people conveyor system and a method for software update of a people conveyor component in a people conveyor system, such as an elevator system, an escalator system and/or a moving walkway system. The conveyor system comprises a plurality of conveyor components, each said conveyor component comprising a memory and a processor running an application software, an updating means for updating conveyor component software, the updating means being communicatively connected to the conveyor components, wherein the updating means comprises or is connected to a processor and a memory, and at least one communication channel, arranged between the updating means and a remote update system.
    Type: Application
    Filed: April 27, 2021
    Publication date: December 2, 2021
    Applicant: Kone Corporation
    Inventors: Tuukka KAUPPINEN, Risto JOKINEN, Mikko PAAKKINEN
  • Publication number: 20210309487
    Abstract: A safety system of an elevator provided herein may comprise a safety controller, a sensor unit configured to generate a first sensor signal indicating a travelling parameter and to provide the first sensor signal to an elevator drive unit of the elevator, and a signal converter connected to the sensor unit and configured to convert the first sensor signal into a second signal in a second format compatible with the safety controller and to provide the second signal in the second format to the safety controller. The safety controller may be configured to receive the second signal in the second format and to determine, based on the second signal, if there is an emergency condition.
    Type: Application
    Filed: March 31, 2021
    Publication date: October 7, 2021
    Applicant: Kone Corporation
    Inventors: Tuukka KAUPPINEN, Henri WENLIN, Mikko PAAKKINEN
  • Publication number: 20210300722
    Abstract: A method for identifying parameters, such as a magnetization-axis and torque-axis inductances, of a permanent magnet motor of an elevator includes applying, such as by a brake controller, at least one hoisting machinery brake to prevent rotation of a rotor of the permanent magnet motor, determining, by a first method, a mean value of motor inductance, as well as the magnetization-axis inductance and the torque-axis inductance as relative inductance values based on the mean value, determining, by a second method, being different than the first method, a mean value of motor main inductances, and determining absolute values of the magnetization-axis and the torque axis inductances based on the motor main inductance obtained by the second method and the relative inductance values obtained by the first method.
    Type: Application
    Filed: February 25, 2021
    Publication date: September 30, 2021
    Applicant: KONE Corporation
    Inventors: Lauri Stolt, Mikko Paakkinen, Tuukka Kauppinen
  • Publication number: 20200287485
    Abstract: A method for determining a rotor position of an electric motor, an elevator and an electrical converter unit are presented. The method comprises supplying a first excitation signal to the electric motor, determining a first response signal generated in the motor in response to the first excitation signal, determining, based on the first response signal, an electrical angle of a direct axis of the motor with respect to a stationary reference frame, supplying a second excitation signal to the motor, wherein the second excitation signal is based on the determined electrical angle, determining a second response signal generated in the motor in response to the second excitation signal, and determining the rotor position based on the second response signal.
    Type: Application
    Filed: February 19, 2020
    Publication date: September 10, 2020
    Applicant: KONE Corporation
    Inventors: Tuukka Kauppinen, Lauri Stolt, Mikko Paakkinen
  • Publication number: 20190348930
    Abstract: A method for dynamic braking of a permanent magnet motor, and an elevator utilizing thereof, are presented. The arrangement includes a corresponding number of phase legs and input connectors relative to a number of the plurality of motor windings, wherein each one of the input connectors is coupled to a respective one of the phase legs. At least some of the phase legs comprise at least two semiconductor devices. Second terminals of the phase legs are connected to each other, wherein the arrangement includes a number of semiconductor switches configured for forming a short-circuit between each of the plurality of motor windings.
    Type: Application
    Filed: April 18, 2019
    Publication date: November 14, 2019
    Applicant: KONE Corporation
    Inventor: Mikko Paakkinen
  • Patent number: 9257848
    Abstract: A method is disclosed for controlling single-phase DC/AC converters, along with a converter arrangement having at least two single-phase DC/AC converters. A controller is provided which can control the at least two single-phase DC/AC converters, and an isolation transformer, wherein outputs of the at least two single-phase DC/AC converters are cascade-connected with each other and an input of the isolation transformer. The controller is configured to control the at least two single-phase DC/AC converters to deliver power from their inputs to their outputs by turns.
    Type: Grant
    Filed: March 26, 2010
    Date of Patent: February 9, 2016
    Assignee: ABB RESEARCH LTD.
    Inventors: Antonio Coccia, Francisco Canales, Leonardo-Augusto Serpa, Mikko Paakkinen
  • Publication number: 20130264876
    Abstract: An inverter assembly having a DC circuit, inverter, and controller (CTRL) configured to control the inverter, the inverter being, for example, a multilevel inverter having a first half bridge (HB1) and a second half bridge (HB2). The controller (CTRL) can be adapted to provide a first operating state in which the controller (CTRL) operates the inverter as a full-bridge inverter. The controller (CTRL) is further adapted to provide at least one further operating state in which the controller (CTRL) operates the inverter as a half-bridge inverter, the controller (CTRL) being adapted to select an operating state based on predetermined conditions.
    Type: Application
    Filed: April 9, 2013
    Publication date: October 10, 2013
    Applicant: ABB Oy
    Inventor: Mikko Paakkinen
  • Patent number: 8553434
    Abstract: A method of controlling the grid-side current of a single-phase grid-connected converter having an LCL filter connected between the output of the converter and the grid includes measuring a grid voltage and at least one signal in a group of signals consisting of a grid-side current, a converter-side current and a capacitor voltage, estimating the fundamental component of the grid voltage, forming a grid-side current reference, a converter-side current reference and a capacitor voltage reference for the grid-side current of the LCL filter, forming estimates for the non-measured signals in the group of signals, forming a grid-side current difference term, a converter-side current difference term and a capacitor voltage difference term, and controlling the output voltage of the converter based on the grid voltage, a formed injection term and a formed estimate of the harmonic distortion term to produce a grid side current corresponding to the current reference.
    Type: Grant
    Filed: February 18, 2011
    Date of Patent: October 8, 2013
    Assignee: ABB Research Ltd
    Inventors: Antonio Coccia, Gerardo Escobar, Leonardo-Augusto Serpa, Mikko Paakkinen, Sami Pettersson
  • Publication number: 20120044730
    Abstract: Exemplary embodiments are directed to an inverter and a method for controlling an inverter. The inverter includes a DC link having two capacitor units in series and a neutral point between the capacitor units, and a first and a second inverter leg. Both inverter legs are connected between the poles of the DC link and include four switching devices connected in series. Both inverter legs include an upper connection point between the two topmost switching devices, a lower connection point between the two bottommost switching devices, and an output between the two middle switching devices. Both inverter legs further include a first rectifier device connected between the DC link neutral point and the leg upper connection point, and a second rectifier device connected between the DC link neutral point and the leg lower connection point.
    Type: Application
    Filed: August 12, 2011
    Publication date: February 23, 2012
    Applicant: ABB Oy
    Inventors: Mikko Paakkinen, Matti T. Jussila
  • Publication number: 20110221420
    Abstract: A method of controlling the grid-side current of a single-phase grid-connected converter having an LCL filter connected between the output of the converter and the grid. The method includes measuring a grid voltage (vS) and at least one signal in a group of signals consisting of a grid-side current (i0), a converter-side current (i1) and a capacitor voltage (vC0).
    Type: Application
    Filed: February 18, 2011
    Publication date: September 15, 2011
    Applicant: ABB Research Ltd.
    Inventors: Antonio COCCIA, Gerardo Escobar, Leonardo-Augusto Serpa, Mikko Paakkinen, Sami Pettersson
  • Publication number: 20110103118
    Abstract: A non-isolated DC-DC converter assembly includes a boost converter and a ?uk converter connected together in a specific way. The non-isolated DC-DC converter assembly allows for grounding of a source and load at the same time, and provides a complete adjustability of the output voltage of the non-isolated DC-DC converter.
    Type: Application
    Filed: November 2, 2010
    Publication date: May 5, 2011
    Applicant: ABB Research Ltd.
    Inventors: Leonardo-Augusto SERPA, Mikko Paakkinen, Francisco Canales, Gerardo Escobar, Antonio Coccia
  • Publication number: 20100244575
    Abstract: A method is disclosed for controlling single-phase DC/AC converters, along with a converter arrangement having at least two single-phase DC/AC converters. A controller is provided which can control the at least two single-phase DC/AC converters, and an isolation transformer, wherein outputs of the at least two single-phase DC/AC converters are cascade-connected with each other and an input of the isolation transformer. The controller is configured to control the at least two single-phase DC/AC converters to deliver power from their inputs to their outputs by turns.
    Type: Application
    Filed: March 26, 2010
    Publication date: September 30, 2010
    Applicant: ABB Research Ltd.
    Inventors: Antonio Coccia, Francisco Canales, Leonardo-Augusto Serpa, Mikko Paakkinen
  • Patent number: D677222
    Type: Grant
    Filed: November 29, 2010
    Date of Patent: March 5, 2013
    Assignee: ABB Oy
    Inventors: Hannu Haapaniemi, Jukka Nurmi, Aaro Pallasmaa, Mikko Paakkinen
  • Patent number: D702635
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: April 15, 2014
    Assignee: ABB OY
    Inventors: Hannu Haapaniemi, Jukka Nurmi, Aaro Pallasmaa, Mikko Paakkinen