Patents by Inventor Kotaro Nakano
Kotaro Nakano 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: 9859836Abstract: By providing a configuration for calculating motor control constants to be set in a motor control apparatus automatically on the basis of a target response time constant obtained from a target response time constant input unit, waveform parameters obtained from a waveform parameter input unit, a normalized time constant obtained from a normalized time constant calculation unit, and a motor load inertia obtained from a motor load inertia input unit, it is possible to obtain a motor control constant calculation device that can determine appropriate motor control constants for obtaining a desired response characteristic by automatic calculation while avoiding variation and an increase in the number of steps due to differences in the abilities of users.Type: GrantFiled: May 13, 2014Date of Patent: January 2, 2018Assignee: Mitsubishi Electric CorporationInventors: Kazuto Yokoyama, Masahiro Iezawa, Keiichi Enoki, Yasufumi Ogawa, Kotaro Nakano
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Patent number: 9845089Abstract: The control device for a hybrid vehicle includes: a mechanical power source; an electric motor to be used when the mechanical power source is started; a first clutch arranged between the mechanical power source and a first transmission mechanism including a plurality of gear shift stages; a second clutch arranged between the mechanical power source and a second transmission mechanism including a plurality of gear shift stages; an electrical power source coupled to an input shaft of the first transmission mechanism; and a control unit for controlling a torque of at least one of the second clutch or the electric motor so as to compensate a braking force decreased upon a gear shift in the electrical power source when a gear shift request for shifting the gear shift stage of the first transmission mechanism is made during a regeneration travel of the electrical power source.Type: GrantFiled: April 23, 2013Date of Patent: December 19, 2017Assignee: Mitsubishi Electric CorporationInventors: Kotaro Nakano, Keiichi Enoki, Nobuhide Mori, Hiroyuki Kobayashi, Yasufumi Ogawa
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Patent number: 9688280Abstract: In order to provide a traction control device capable of preventing an initial slip at a start, the traction control device includes a drive power source outputting drive power to a drive wheel of a vehicle; a vehicle speed sensor detecting the wheel speed of a non-drive wheel of the vehicle; and target restricted speed generating means for generating a target restricted speed for the vehicle by determining the state of a road surface from target drive torque of the vehicle, the wheel speed of the non-drive wheel, and a signal indicating the extent of operation of an accelerator by a driver. The target restricted speed generated by the target restricted speed generating means is switched stepwise in a speed region where the speed of the drive wheel is not detected in correspondence with a control mode that is classified according to the slipperiness of a road surface.Type: GrantFiled: October 31, 2013Date of Patent: June 27, 2017Assignee: Mitsubishi Electric CorporationInventors: Hiroyuki Kobayashi, Masahiro Iezawa, Keiichi Enoki, Nobuhide Mori, Yasufumi Ogawa, Kotaro Nakano
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Publication number: 20170111004Abstract: By providing a configuration for calculating motor control constants to be set in a motor control apparatus automatically on the basis of a target response time constant obtained from a target response time constant input unit, waveform parameters obtained from a waveform parameter input unit, a normalized time constant obtained from a normalized time constant calculation unit, and a motor load inertia obtained from a motor load inertia input unit, it is possible to obtain a motor control constant calculation device that can determine appropriate motor control constants for obtaining a desired response characteristic by automatic calculation while avoiding variation and an increase in the number of steps due to differences in the abilities of users.Type: ApplicationFiled: May 13, 2014Publication date: April 20, 2017Applicant: Mitsubishi Electric CorporationInventors: Kazuto YOKOYAMA, Masahiro IEZAWA, Keiichi ENOKI, Yasufumi OGAWA, Kotaro NAKANO
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Patent number: 9623753Abstract: A vehicle control part includes: a vehicle stop determination part for determining whether or not the vehicle is stopped; a clutch control part for disengaging the clutch when stop of the vehicle is determined; a motor control part for driving the motor so as to drive the oil circulation part after the clutch is disengaged; and a motor magnet temperature estimation part for detecting an inducted voltage generated by drive of the motor, and estimating a magnet temperature of the motor from the detected induced voltage of the motor. The motor control part continues the drive of the motor when the estimated magnet temperature of the motor is higher than a predetermined reference temperature at which the motor needs to be cooled, and stops the drive of the motor when the magnet temperature of the motor is equal to or lower than the predetermined reference temperature.Type: GrantFiled: April 11, 2013Date of Patent: April 18, 2017Assignee: Mitsubishi Electric CorporationInventors: Nobuhide Mori, Keiichi Enoki, Hiroyuki Kobayashi, Yasufumi Ogawa, Kotaro Nakano
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Publication number: 20160250929Abstract: In the case where a virtual vehicle speed selection means selects one of a first virtual vehicle speed and a second virtual vehicle speed so as to perform switching from the other one to said one of the first virtual vehicle speed and the second virtual vehicle speed, the rotation speed of an electric motor is decelerated to a threshold value with which travel of the vehicle stabilizes and the deceleration of the electric motor is stopped when the rotation speed of the electric motor becomes lower than the threshold value, and then traction of the vehicle is controlled based on the selected virtual vehicle speed.Type: ApplicationFiled: March 31, 2014Publication date: September 1, 2016Applicant: Mitsubishi Electric CorporationInventors: Kotaro NAKANO, Hiroyuki KOBAYASHI
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Publication number: 20160167662Abstract: In order to provide a traction control device capable of preventing an initial slip at a start, the traction control device includes a drive power source outputting drive power to a drive wheel of a vehicle; a vehicle speed sensor detecting the wheel speed of a non-drive wheel of the vehicle; and target restricted speed generating means for generating a target restricted speed for the vehicle by determining the state of a road surface from target drive torque of the vehicle, the wheel speed of the non-drive wheel, and a signal indicating the extent of operation of an accelerator by a driver. The target restricted speed generated by the target restricted. speed generating means is switched stepwise in a speed region where the speed of the drive wheel s not detected in correspondence with a control mode that is classified according to the slipperiness of a road surface.Type: ApplicationFiled: October 31, 2013Publication date: June 16, 2016Applicant: Mitsubishi Electric CorporationInventors: Hiroyuki KOBAYASHI, Masahiro IEZAWA, Keiichi ENOKI, Nobuhide MORI, Yasufumi OGAWA, Kotaro NAKANO
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Publication number: 20150367734Abstract: A vehicle control part includes: a vehicle stop determination part for determining whether or not the vehicle is stopped; a clutch control part for disengaging the clutch when stop of the vehicle is determined; a motor control part for driving the motor so as to drive the oil circulation part after the clutch is disengaged; and a motor magnet temperature estimation part for detecting an inducted voltage generated by drive of the motor, and estimating a magnet temperature of the motor from the detected induced voltage of the motor. The motor control part continues the drive of the motor when the estimated magnet temperature of the motor is higher than a predetermined reference temperature at which the motor needs to be cooled, and stops the drive of the motor when the magnet temperature of the motor is equal to or lower than the predetermined reference temperature.Type: ApplicationFiled: April 11, 2013Publication date: December 24, 2015Applicant: Mitsubishi Electric CorporationInventors: Nobuhide MORI, Keiichi ENOKI, Hiroyuki KOBAYASHI, Yasufumi OGAWA, Kotaro NAKANO
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Publication number: 20150360676Abstract: The control device for a hybrid vehicle includes: a mechanical power source; an electric motor to be used when the mechanical power source is started; a first clutch arranged between the mechanical power source and a first transmission mechanism including a plurality of gear shift stages; a second clutch arranged between the mechanical power source and a second transmission mechanism including a plurality of gear shift stages; an electrical power source coupled to an input shaft of the first transmission mechanism; and a control unit for controlling a torque of at least one of the second clutch or the electric motor so as to compensate a braking force decreased upon a gear shift in the electrical power source when a gear shift request for shifting the gear shift stage of the first transmission mechanism is made during a regeneration travel of the electrical power source.Type: ApplicationFiled: April 23, 2013Publication date: December 17, 2015Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Kotaro NAKANO, Keiichi ENOKI, Nobuhide MORI, Hiroyuki KOBAYASHI, Yasufumi OGAWA
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Publication number: 20110077549Abstract: The invention provides easy handling and low cost-support equipment for measuring optical nerve-activity which is less stressful for subjects or doctors and the like. The support equipment, which provides light stimulation for subject eyes with its main body 10 fixed to the subject-head region and measures the subject optical nerve-activity, comprises a thin walled-main body 10 with a plurality of optical fibers 11 joined in the width direction; light emission regions 13a, 13b at least one of which is positioned in the main body aligned to the subject eye-position(s) and composed of a plurality of light leak parts 11c formed in peripheral surfaces of the optical fibers 11; and a connector 12a for connecting with a light emission device 12 providing light for each of the plurality of optical fibers.Type: ApplicationFiled: June 11, 2009Publication date: March 31, 2011Applicant: UNIVERSITY OF FUKUIInventors: Ryuhei Kitai, Kotaro Nakano, Atsuji Masuda, Takaharu Tsutani, Masukiyo Tsutani
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Patent number: 6726024Abstract: A sieving device having a mesh screen detachable from a frame body is capable of easily removing particulate material remained on the mesh screen and cleaning of the mesh screen and being installed even in a confined space requiring a sanitary condition. The particulate material sieved through the mesh screen is prevented from getting out of a collecting container or scattering around. With a vibration generating means in the sieving device, sieving vibration can be efficiently produced with a relatively small power with preventing coagulation and agglomeration of the particulate material. By corrugating the bottom of the mesh screen, the efficiency of sieving the particulate material be increased remarkably.Type: GrantFiled: May 15, 2002Date of Patent: April 27, 2004Assignee: Tanico CorporationInventors: Kotaro Nakano, Kenichi Kanno
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Publication number: 20030080030Abstract: A sieving device having a mesh screen detachable from a frame body is capable of easily removing particulate material remained on the mesh screen and cleaning of the mesh screen and being installed even in a confined space requiring a sanitary condition. The particulate material sieved through the mesh screen is prevented from getting out of a collecting container or scattering around. With a vibration generating means in the sieving device, sieving vibration can be efficiently produced with a relatively small power with preventing coagulation and agglomeration of the particulate material. By corrugating the bottom of the mesh screen, the efficiency of sieving the particulate material can be increased remarkably.Type: ApplicationFiled: May 15, 2002Publication date: May 1, 2003Applicant: Taniko CorporationInventors: Kotaro Nakano, Kenichi Kanno
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Patent number: 5634639Abstract: A ball game apparatus has a plurality of balls, a spiral rail for automatically delivering the balls, a field portion on which the balls delivered by the spiral rail can roll with a given degree of freedom, winning pocket portions and invalid pockets formed over the field portion for receiving a plurality of the balls in each of them, a CCD camera for counting the number of balls received in the winning pocket portions and a calculator for calculating a score from the number of balls counted by the CCD camera.Type: GrantFiled: March 29, 1995Date of Patent: June 3, 1997Assignee: Namco Ltd.Inventors: Tetsuo Tokito, Shuichi Nakatome, Yasufumi Tanabe, Toshitake Inagaki, Tatsuo Kawabuchi, Hiroshi Takeuchi, Kotaro Nakano, Yasuo Mori, Takaharu Aoki, Hideyuki Kaneko, Teruyoshi Takahashi, Shinya Niwa, Kiyoshi Minami, Manabu Matsuo