Patents by Inventor Hideyuki Sakamoto

Hideyuki Sakamoto 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: 10938305
    Abstract: The present invention reduces conducted noise of an input current in a power supply device having a plurality of channels at low cost. In a power supply circuit (210) possessed by an autonomous running control ECU, switching circuits 22 respectively generate, on the basis of control signals C, power supplies supplied to a plurality of logic circuits. A transition management unit 25 controls the switching circuits 22. A clock generation unit 26 generates a plurality of clock signals. The transition management unit 25 has a control signal generation unit and a plurality of delay units. The control signal generation unit generates intermediate control signals from the clock signals generated by the clock generation unit 26. The delay units delay the intermediate control signals on the basis of command signals and output the delayed intermediate control signals as the control signals C. The clock signals generated by the clock generation unit include at least one clock signal having a different frequency.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: March 2, 2021
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Hiroshi Shinoda, Ming Liu, Hideyuki Sakamoto
  • Publication number: 20210053580
    Abstract: To provide an electronic control device generating low heat due to a simplified configuration and a reduced verification arithmetic load without multiplexing of sensors and calculations. A sensor fusion processing unit 4 that integrates a plurality of pieces of sensor information having been input from a plurality of first sensors 11 and second sensors 12, a behavior prediction processing unit 5 that obtains a surrounding object prediction map 8 in which a future behavior of a target object is predicted based on an own vehicle surrounding map 9 integrated by the sensor fusion processing unit 4, and a first comparison unit 102 that compares the surrounding object prediction map 8 predicted by the behavior prediction processing unit 5 with output information of each of the first sensors 11 and the second sensors 12 of the sensor fusion processing unit 4 at a predicted time are included.
    Type: Application
    Filed: December 14, 2018
    Publication date: February 25, 2021
    Applicant: Hitachi Automotive Systems, Ltd.
    Inventors: Tatsuya HORIGUCHI, Hideyuki SAKAMOTO, Teppei HIROTSU
  • Publication number: 20210046942
    Abstract: An electronic control device is realized in which another microcomputer monitors the arithmetic processing load of the external environment recognition microcomputer without increasing the processing load of the external environment recognition microcomputer, and the control is shifted to the degeneration control microcomputer before the external environment recognition microcomputer is overloaded, and safety is improved. An arithmetic processing unit 1e of an external environment recognition microcomputer 1a transmits an arithmetic operation start to the output control unit if when the arithmetic processing starts, and transmits an arithmetic end when the arithmetic processing ends. An output control unit if changes the voltage of an output signal 1m to indicate the start and end of the arithmetic of the arithmetic processing unit 1e.
    Type: Application
    Filed: February 8, 2019
    Publication date: February 18, 2021
    Applicant: Hitachi Automotive Systems, Ltd.
    Inventors: Daisuke TANAKA, Hideyuki SAKAMOTO
  • Publication number: 20210015008
    Abstract: To provide an electronic control device capable of suppressing leakage of radio-frequency radiation noise, radiated from a noise source, to the outside.
    Type: Application
    Filed: February 14, 2019
    Publication date: January 14, 2021
    Applicant: Hitachi Automotive Systems, Ltd.
    Inventors: Yoko OHKUBO, Masahiro TOYAMA, Hideyuki SAKAMOTO
  • Publication number: 20200411406
    Abstract: An electronic control device includes: a board; a heat generating component mounted on the board; a heat conductive sheet thermally coupled to one surface of the heat generating component located on a side opposite to the board side; and a cooling mechanism thermally coupled to the heat conductive sheet. The heat conductive sheet includes a folded structure having a plurality of folded-back portions and a plurality of connection portions provided between the folded-back portions, and the plurality of folded-back portions of the heat conductive sheet is thermally coupled to each of the heat generating component and the cooling mechanism.
    Type: Application
    Filed: November 19, 2018
    Publication date: December 31, 2020
    Inventors: Shinya KAWAKITA, Hideyuki SAKAMOTO
  • Publication number: 20200379831
    Abstract: An electronic control device includes a rewritable configuration memory composed of a plurality of frames in which logic circuit information is stored, a reconfiguration control unit configured to rewrite the logic circuit information of the frames, a logic unit configured to form a logic circuit based on the logic circuit information stored in the frames, and a configuration memory diagnosis unit configured to read the logical circuit information stored in the frames of the configuration memory and to perform error detection which is detection of an error in the stored logic circuit information, in which when the frames are rewritten by the reconfiguration control unit, the configuration memory diagnosis unit performs the error detection of ones of the frames that are rewritten prior to ones of the frames that are not rewritten.
    Type: Application
    Filed: November 20, 2018
    Publication date: December 3, 2020
    Inventors: Kenichi SHIMBO, Tadanobu TOBA, Taisuke UETA, Hideyuki SAKAMOTO
  • Publication number: 20200361478
    Abstract: Implemented is a highly reliable vehicle control device capable of performing control transition safely to a degeneration control microcomputer even if an operation abnormality occurs in a control microcomputer in a vehicle control device. Provided are: a control microcomputer 11b that outputs a control command to an actuator control device; and a degeneration control microcomputer 12b for control transition when an abnormality is detected in the control microcomputer 111b. When transitioning to the degeneration control microcomputer 12b when detecting the abnormality in the control microcomputer 11b, the control microcomputer 12b is notified of the abnormality of the control microcomputer 11b, and the control microcomputer 11b is reset after the required transition period of the degeneration control microcomputer 12b has elapsed and the degeneration control has started. As a result, a control blank period is eliminated.
    Type: Application
    Filed: December 4, 2018
    Publication date: November 19, 2020
    Applicant: Hitachi Automotive Systems, Ltd.
    Inventor: Hideyuki SAKAMOTO
  • Publication number: 20200361487
    Abstract: Even in a case where an operation abnormality occurs in the arithmetic processing unit of the control device, control is safely shifted to the degeneration control microcomputer, and a vehicle control device capable of improving safety is realized. There are provided an outside world recognition microcomputer 10b, a control microcomputer 11b that outputs a control command to the actuator control device, and a degeneration control microcomputer 12b to which control is shifted in a case where an abnormality occurs in the control microcomputer 11b. The outside world recognition microcomputer 10b calculates a collision potential based on information from the outside world, and determines whether to reset the control microcomputer 11b when an abnormality occurs in the control microcomputer 11b or to shift control to the degeneration control microcomputer 12b.
    Type: Application
    Filed: December 4, 2018
    Publication date: November 19, 2020
    Applicant: Hitachi Automotive Systems, Ltd.
    Inventors: Hideyuki SAKAMOTO, Tadanobu TOBA, Toshiaki NAKAMURA
  • Patent number: 10804891
    Abstract: An object of the present invention is to diagnose an abnormality detecting circuit that detects an abnormality, such as an overcurrent of a power semiconductor, with the number of insulating elements to be additionally provided, inhibited from increasing. There are provided: a drive circuit configured to output a gate signal to a power semiconductor; an abnormality detecting circuit configured to detect an abnormality of the power semiconductor; and a diagnosis signal applying circuit configured to apply a diagnosis signal to the abnormality detecting circuit. The diagnosis signal applying circuit applies the diagnosis signal, on the basis of the gate signal output by the drive circuit.
    Type: Grant
    Filed: July 6, 2016
    Date of Patent: October 13, 2020
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Ryoichi Inada, Teppei Hirotsu, Hideyuki Sakamoto, Kouichi Yahata, Keiji Kadota
  • Publication number: 20200301374
    Abstract: A prediction control device controls an actuator for automatic driving of a vehicle including: a command value generation unit generating an operation amount for the actuator and an operation amount candidate as a predicted value; an output prediction unit outputting a control amount candidate as a predicted value corresponding to the actuator output by using an operation model; an evaluation function calculation unit expressing constraint conditions for the automatic driving; a situation degree detection obtaining a measure of giving priority to ride comfort or giving priority to danger avoidance of an own vehicle while traveling; and a responsiveness adjusting unit obtaining a next operation amount candidate from the situation degree from the situation degree detection unit. The operation command value generation unit generates an operation amount for the actuator, and the responsiveness adjusting unit adjusts the output of the evaluation function according to the situation degree.
    Type: Application
    Filed: September 28, 2018
    Publication date: September 24, 2020
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Toshiaki NAKAMURA, Teppei HIROTSU, Tatsuya HORIGUCHI, Tadanobu TOBA, Hideyuki SAKAMOTO
  • Publication number: 20200292453
    Abstract: A fluorescence photometer includes a photometer unit and an optical fiber unit. The photometer unit includes a light source, an excitation-side spectroscope for separating light emitted from the light source to generate excitation light, and a fluorescence-side spectroscope for separating fluorescent light emitted from a sample irradiated with the excitation light to generate monochromatic light. The optical fiber unit guides the excitation light to the sample placed outside the photometer unit and guides the fluorescent light emitted from the sample to the photometer unit and includes an image fiber for capturing an image of the sample, an excitation-side fiber arranged around the image fiber and for guiding the excitation light to the sample, and a fluorescence-side fiber arranged around the image fiber and to guide the fluorescent light emitted from the sample to the photometer unit. The excitation-side fiber and the fluorescence-side fiber are arranged to surround the image fiber.
    Type: Application
    Filed: March 9, 2020
    Publication date: September 17, 2020
    Inventors: Jun HORIGOME, Kai MARUYAMA, Koji KURITA, Hideyuki SAKAMOTO, Rino NAKAJIMA, Naoki SUZUKI
  • Publication number: 20200254947
    Abstract: The present invention reduces conducted noise of an input current in a power supply device having a plurality of channels at low cost. In a power supply circuit (210) possessed by an autonomous running control ECU, switching circuits 22 respectively generate, on the basis of control signals C, power supplies supplied to a plurality of logic circuits. A transition management unit 25 controls the switching circuits 22. A clock generation unit 26 generates a plurality of clock signals. The transition management unit 25 has a control signal generation unit and a plurality of delay units. The control signal generation unit generates intermediate control signals from the clock signals generated by the clock generation unit 26. The delay units delay the intermediate control signals on the basis of command signals and output the delayed intermediate control signals as the control signals C. The clock signals generated by the clock generation unit include at least one clock signal having a different frequency.
    Type: Application
    Filed: September 13, 2018
    Publication date: August 13, 2020
    Inventors: Hiroshi SHINODA, Ming LIU, Hideyuki SAKAMOTO
  • Publication number: 20200177185
    Abstract: An electronic control device includes: a logic circuit for reconfiguring a plurality of arithmetic circuits including a first circuit and a second circuit; a reconfiguration controller that reconfigures the arithmetic circuits and checks the reconfigured arithmetic circuits based on reconfiguration commands; and a process controller that transmits the reconfiguration commands to the reconfiguration controller and instructs the arithmetic unit to execute operations, in which when a first reconfiguration command is received, the reconfiguration controller reconfigures and checks the first circuit, when the check of the first circuit by the reconfiguration controller is completed, the process controller instructs the first circuit to execute an operation, the process controller transmits a second reconfiguration command to the reconfiguration controller and instructs the reconfiguration controller to start to reconfigure the second circuit until the execution of a predetermined process of the first circuit is co
    Type: Application
    Filed: June 27, 2018
    Publication date: June 4, 2020
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Taisuke UETA, Kenichi SHIMBO, Tadanobu TOBA, Hideyuki SAKAMOTO
  • Publication number: 20200158565
    Abstract: A material property inspection apparatus includes a conveyance unit, a light source, an irradiation unit, a light receiving unit, a signal detection unit, a material property value input unit, an inspection set value input unit, and a processing unit. The processing unit calculates a relation equation between the material property value from the material property values of the plurality of test pieces and the light intensity of the transmitted light or the reflected light of respective test pieces, calculates the material property value of the inspected object from the light intensity of the transmitted light or the reflected light detected by the signal detection unit and the relation equation, compares the calculated material property value of the inspected object with the inspection set value inputted from the inspection set value input unit, and determines the quality of the inspected object.
    Type: Application
    Filed: October 24, 2019
    Publication date: May 21, 2020
    Inventors: Masaaki FUSE, Ken SHIOIRI, Takao TANIMOTO, Hideyuki SAKAMOTO
  • Publication number: 20200139982
    Abstract: Achieved is a vehicle control device capable of performing seamless automatic driving control even when an operation abnormality occurs in an operation processing unit in a vehicle control device, and improving safety. When operation processing of an actuator control command is performed by two microcomputers of microcomputers 11b and 12b in synchronization, and a monitoring circuit 11m detects an abnormality of the microcomputer 11b, a communication circuit 11c that communicates the actuator control command of the microcomputer 11b to a brake control unit 13 or the like is latched in a disabled state, and the actuator control command from an icon 12b is transmitted to the brake control unit 13 or the like via the communication circuit 12c. The disabled state of the communication circuit 11c is maintained until an IGNSW or an automatic driving SW of the vehicle toggles, and until that time, the actuator control command from the microcomputer 12b is transmitted to the brake control unit 13 or the like.
    Type: Application
    Filed: March 29, 2018
    Publication date: May 7, 2020
    Applicant: Hitachi Automotive Systems, Ltd.
    Inventors: Hideyuki SAKAMOTO, Tatsuya HORIGUCHI, Takeshi YAMAKAWA
  • Publication number: 20200114905
    Abstract: Provided is an electronic control apparatus including a reconfigurable logic circuit. The electronic control apparatus includes an information collection unit which collects information and a processing determination unit which determines a combination of processing information to be executed by the logic circuit, from a processing information storage unit that stores a plurality of pieces of processing information, on the basis of the collected information. The logic circuit is reconfigured on the basis of the combination of processing information determined by the processing determination unit.
    Type: Application
    Filed: November 22, 2017
    Publication date: April 16, 2020
    Inventors: Taisuke UETA, Satoshi TSUTSUMI, Hideki ENDO, Hideyuki SAKAMOTO
  • Patent number: 10585041
    Abstract: A sample analysis system includes a Fluorescence Spectrophotometer, a liquid chromatography device, a mass spectrometer, a control device, and a sample introducer. The Fluorescence Spectrophotometer obtains a three-dimensional fluorescence spectrum including an excitation wavelength, a fluorescence wavelength, and a fluorescence intensity. The liquid chromatography device obtains a three-dimensional absorption spectrum including an elution time, an absorption wavelength, and an absorbance. The mass spectrometer obtains a three-dimensional mass spectrum including an elution time, mass information, and an ion intensity. The axes of respective spectra are set on the same scale, and the mass-charge ratio in the three-dimensional mass spectrum data obtained by the mass spectrometer is determined.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: March 10, 2020
    Assignee: Hitachi High-Tech Science Corporation
    Inventors: Jun Horigome, Masaki Watanabe, Katsutoshi Shimizu, Hideyuki Sakamoto
  • Publication number: 20200070847
    Abstract: An electronic control device for a vehicle according to the present invention includes an action prediction unit that predicts the action of an object around the vehicle on the basis of external information acquired from external information detection units that detect external information of the vehicle, and a determination unit for a detection unit that determines whether an abnormality has occurred in the external information detection unit by comparing external information acquired from the external information detection unit at the time corresponding to a prediction result of the action prediction unit to the prediction result of the action prediction unit.
    Type: Application
    Filed: March 8, 2018
    Publication date: March 5, 2020
    Inventors: Tatsuya HORIGUCHI, Hideyuki SAKAMOTO, Teppei HIROTSU
  • Publication number: 20200055467
    Abstract: A transient increase or decrease of power supplied to a reconfiguration circuit to be a logic circuit whose circuit configuration can be changed is reduced. An autonomous traveling control ECU 201 has a reconfiguration circuit 209, a main power supply circuit 211, an auxiliary current source circuit 213, and a function control unit 207. The reconfiguration circuit 209 is a reconfigurable logic circuit. The main power supply circuit 211 supplies a power supply voltage to the reconfiguration circuit 209. The auxiliary current source circuit 213 increases or decreases a current supplied from the main power supply circuit 211 to the reconfiguration circuit 209. The function control unit 207 determines an operation mode of the reconfiguration circuit 209 on the basis of a mode determination signal input from the outside and indicating a traveling mode of a vehicle, and controls a reconfiguration of the reconfiguration circuit 209 on the basis of a determination result.
    Type: Application
    Filed: April 19, 2018
    Publication date: February 20, 2020
    Inventors: Hiroshi SHINODA, Tomohiko YANO, Hideyuki SAKAMOTO
  • Publication number: 20200060050
    Abstract: To obtain, in an on-board control device, a shield effect against noise radiated from an electronic component. The present invention includes: an electronic component 103; a metal housing 101 which covers at least a part of the electronic component 103; a metal portion 105 which is provided so that the electronic component 103 is disposed between the metal portion 105 and the metal housing 101; and a shield structure which shields radiation noise from the electronic component 103 by electrostatic capacitive coupling formed between the metal portion 105 and the metal housing 101.
    Type: Application
    Filed: January 31, 2018
    Publication date: February 20, 2020
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Yoko OHKUBO, Hideyuki SAKAMOTO, Yusaku KATSUBE