Patents by Inventor Misato Maeda
Misato Maeda 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).
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Patent number: 11971724Abstract: An unmanned vehicle control system includes: a determination unit that determines whether or not to output a heating request for a hydraulic oil based on hydraulic oil data supplied to a hydraulic actuator disposed in an unmanned vehicle and operated by the hydraulic oil; a vehicle receiver that receives a heating command for the hydraulic oil generated based on the heating request; and a heating processor that executes a heating process of the hydraulic oil based on the heating command.Type: GrantFiled: January 30, 2020Date of Patent: April 30, 2024Assignee: Komatsu Ltd.Inventors: Masanori Ogihara, Misato Maeda, Katsuki Awamori
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Publication number: 20240134395Abstract: A management system of a work site includes: a workplace data acquisition unit that acquires workplace data set in a workplace where an unmanned haul vehicle travels; and a sprinkling area setting unit that sets, on the basis of the workplace data, a sprinkling area on which the unmanned sprinkler vehicle sprinkles water in the workplace.Type: ApplicationFiled: January 20, 2022Publication date: April 25, 2024Applicant: Komatsu Ltd.Inventors: Misato Maeda, Takashi Hiranaka, Kenta Osagawa
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Publication number: 20240068187Abstract: A sprinkling vehicle control system includes a travel control unit that switches a traveling direction of a sprinkling vehicle, and a sprinkling control unit that controls a first sprinkling spray provided at a first portion on one side in the traveling direction in the sprinkling vehicle. The sprinkling control unit controls the first sprinkling spray such that a sprinkling condition of the first sprinkling spray when the sprinkling vehicle travels to one side in the traveling direction is different from a sprinkling condition of the first sprinkling spray when the sprinkling vehicle travels to the other side in the traveling direction.Type: ApplicationFiled: November 30, 2021Publication date: February 29, 2024Applicant: Komatsu Ltd.Inventors: Misato Maeda, Takashi Hiranaka, Kenta Osagawa
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Publication number: 20230166762Abstract: A control system of an unmanned vehicle includes a traveling control unit that outputs a first command for starting the unmanned vehicle. When the unmanned vehicle is determined not to be started by a first command, a traveling control unit outputs a second command that causes the unmanned vehicle to generate assist driving force.Type: ApplicationFiled: May 25, 2021Publication date: June 1, 2023Applicant: Komatsu Ltd.Inventors: Yosuke Kadono, Misato Maeda
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Publication number: 20220057805Abstract: An unmanned vehicle control system includes: a determination unit that determines whether or not to output a heating request for a hydraulic oil based on hydraulic oil data supplied to a hydraulic actuator disposed in an unmanned vehicle and operated by the hydraulic oil; a vehicle receiver that receives a heating command for the hydraulic oil generated based on the heating request; and a heating processor that executes a heating process of the hydraulic oil based on the heating command.Type: ApplicationFiled: January 30, 2020Publication date: February 24, 2022Applicant: Komatsu Ltd.Inventors: Masanori Ogihara, Misato Maeda, Katsuki Awamori
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Patent number: 11075597Abstract: A motor control device controls driving of a motor in response to d-axis and q-axis current commands set on the basis of a torque command. The motor control device includes: an electrical angle estimation unit configured to estimate an electrical angle of the motor according to at least one of methods of estimating the electrical angle on the basis that a leakage current in a q axis becomes zero by applying a voltage to a d axis, on the basis that at least one of a phase current difference and a line current difference caused by an induced voltage generated due to rotation of the motor becomes zero, and on the basis of a voltage equation, depending on an angular velocity of the motor, a modulation rate of a pwm signal, and whether a magnetic flux change is included in a nonlinear region.Type: GrantFiled: December 4, 2019Date of Patent: July 27, 2021Assignee: AISIN SEIKI KABUSHIKI KAISHAInventors: Kenji Todu, Misato Maeda, Naoki Onosaka, Keirei Lin, Genki Yamashita
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Publication number: 20210159832Abstract: A motor controller includes a power supply controller controlling a power supply to rotate a rotor to a predetermined position by supplying power to an excitation coil of a predetermined phase among excitation coils of three phases of the rotor at startup of the rotor, the power supply controller selecting the excitation coil of the predetermined phase to which power is supplied in accordance with a position of a magnetic pole of the rotor in a state where the rotor is stopped.Type: ApplicationFiled: November 13, 2020Publication date: May 27, 2021Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Naoki ONOSAKA, Misato MAEDA, Genki YAMASHITA, Yuka FUKADA
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Publication number: 20200177118Abstract: A motor control device controls driving of a motor in response to d-axis and q-axis current commands set on the basis of a torque command. The motor control device includes: an electrical angle estimation unit configured to estimate an electrical angle of the motor according to at least one of methods of estimating the electrical angle on the basis that a leakage current in a q axis becomes zero by applying a voltage to a d axis, on the basis that at least one of a phase current difference and a line current difference caused by an induced voltage generated due to rotation of the motor becomes zero, and on the basis of a voltage equation, depending on an angular velocity of the motor, a modulation rate of a pwm signal, and whether a magnetic flux change is included in a nonlinear region.Type: ApplicationFiled: December 4, 2019Publication date: June 4, 2020Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Kenji TODU, Misato MAEDA, Naoki ONOSAKA, Keirei LIN, Genki YAMASHITA
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Publication number: 20190226497Abstract: An impeller in embodiments, as an example, includes a base plate, and a shroud including a plurality of blade members fixed to the base plate, wherein a plurality of the blade members are provided so as to stand and are arranged with intervals in a circumferential direction on a face portion of the shroud, the face portion facing the base plate, a plurality of groove portions for mounting each of a plurality of the blade members are formed on the base plate, and a plurality of the groove portions are configured to mount each of the blade members included in a plurality of kinds of the shrouds in which at least one of an arrangement of the blade members and a number of the blade members is different from each other.Type: ApplicationFiled: January 17, 2019Publication date: July 25, 2019Applicant: AISIN SEIKI KABUSHIKI KAISHAInventor: Misato MAEDA
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Patent number: 8467940Abstract: An apparatus for a power seat includes: a motor; a transmitting member mechanically connected to a seat and driven by the motor, thereby changing a state of the seat; an operational switch outputting an operational signal indicating a changing direction of the state of the seat; a sensor outputting a single pulse according to a rotation of the motor; a controlling portion driving the motor in a rotational direction corresponding to the operational signal and counting the pulse outputted according to the rotation of the motor, thereby determining and memorizing the state of the seat; a judging portion judging the changing direction of the state of the seat after a start of the driving of the motor on the basis of the pulse; and a drive continuing portion continuing the driving of the motor until the changing direction of the state of the seat is judged.Type: GrantFiled: August 11, 2010Date of Patent: June 18, 2013Assignee: Aisin Seiki Kabushiki KaishaInventors: Soichiro Hozumi, Misato Maeda
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Patent number: 8444224Abstract: A seat controlling mechanism includes motors for actuating a plurality of seat sections, a position detecting apparatus detecting positions of the seat sections and a controlling apparatus controlling the seat sections to move to a predetermined position, wherein an interfering range, an interference avoidable range in which an interference avoidance control is executed and a normal operation range are set in the controlling apparatus, and when at least one of the seat sections positions in the interference avoidable range, the controlling apparatus prohibits the movement of the at least one of the seat sections toward the interfering range.Type: GrantFiled: August 18, 2010Date of Patent: May 21, 2013Assignee: Aisin Seiki Kabushiki KaishaInventors: Misato Maeda, Kazuyuki Kashiwabara
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Patent number: 8328282Abstract: A seat state changing apparatus changing seat states between a first state and a second state includes an actuator moving a seat between the first state and the second state, a change detection portion detecting a change according to a load applied to the seat when changing seat states, a determination portion determining that the seat is assumed to be a predetermined state when an amount of change in accordance with the change according to the load applied to the seat is greater than a predetermined determination threshold value, and a determination threshold value changing portion changing the predetermined determination threshold value when an engaging member, which is configured to engage with the seat, engages with the seat during a movement of the seat between the first state and the second state.Type: GrantFiled: August 18, 2010Date of Patent: December 11, 2012Assignee: Aisin Seiki Kabushiki KaishaInventors: Misato Maeda, Kazuyuki Kashiwabara
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Publication number: 20110043018Abstract: A seat controlling mechanism includes motors for actuating a plurality of seat sections, a position detecting apparatus detecting positions of the seat sections and a controlling apparatus controlling the seat sections to move to a predetermined position, wherein an interfering range, an interference avoidable range in which an interference avoidance control is executed and a normal operation range are set in the controlling apparatus, and when at least one of the seat sections positions in the interference avoidable range, the controlling apparatus prohibits the movement of the at least one of the seat sections toward the interfering range.Type: ApplicationFiled: August 18, 2010Publication date: February 24, 2011Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Misato MAEDA, Kazuyuki KASHIWABARA
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Publication number: 20110043015Abstract: A seat state changing apparatus changing seat states between a first state and a second state includes an actuator moving a seat between the first state and the second state, a change detection portion detecting a change according to a load applied to the seat when changing seat states, a determination portion determining that the seat is assumed to be a predetermined state when an amount of change in accordance with the change according to the load applied to the seat is greater than a predetermined determination threshold value, and a determination threshold value changing portion changing the predetermined determination threshold value when an engaging member, which is configured to engage with the seat, engages with the seat during a movement of the seat between the first state and the second state.Type: ApplicationFiled: August 18, 2010Publication date: February 24, 2011Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Misato Maeda, Kazuyuki Kashiwabara
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Publication number: 20110046855Abstract: An apparatus for a power seat includes: a motor; a transmitting member mechanically connected to a seat and driven by the motor, thereby changing a state of the seat; an operational switch outputting an operational signal indicating a changing direction of the state of the seat; a sensor outputting a single pulse according to a rotation of the motor; a controlling portion driving the motor in a rotational direction corresponding to the operational signal and counting the pulse outputted according to the rotation of the motor, thereby determining and memorizing the state of the seat; a judging portion judging the changing direction of the state of the seat after a start of the driving of the motor on the basis of the pulse; and a drive continuing portion continuing the driving of the motor until the changing direction of the state of the seat is judged.Type: ApplicationFiled: August 11, 2010Publication date: February 24, 2011Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Soichiro Hozumi, Misato Maeda
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Publication number: 20110042993Abstract: A seat apparatus for a vehicle includes a seat for a vehicle, a seat driving portion driving the seat to change a seat position, a controlling portion controlling an operation of the seat driving portion to change the seat position to a predetermined position, and an input portion receiving a control command relative to the controlling portion. The controlling portion includes an assembly control mode in which an operation of the seat driving portion is controlled on a basis of the control command input to the input portion by an assembly input operation performed when the vehicle is assembled and includes a normal control mode in which the operation of the seat driving portion is controlled on a basis of the control command input to the input portion by a normal input operation performed when the vehicle is used by a user.Type: ApplicationFiled: August 18, 2010Publication date: February 24, 2011Applicant: AISIN SEIKI KABUSHIKI KAISHAInventors: Misato MAEDA, Kazuyuki Kashiwabara