Patents Assigned to HITACHI AUTOMOTIVES SYSTEMS, LTD.
  • Publication number: 20210176090
    Abstract: The present invention provides an in-vehicle communication device and an in-vehicle system that can establish communication, in a short time, between applications corresponding to the same communication protocol between in-vehicle processing devices connected to communication buses having different communication protocols. In the present invention, when the first communication controller 33 has received a specific message from the first in-vehicle processing device 102 connected to the first communication bus 101, the in-vehicle communication device 1 transmits a communication protocol switching command from the second communication controller 3 to the second in-vehicle processing device 202 connected to the second communication bus 201 to switch a communication protocol setting of the second communication controller to the same communication protocol setting as that of the first communication bus.
    Type: Application
    Filed: July 26, 2019
    Publication date: June 10, 2021
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Naoyuki YAMAMOTO, Hiroki YAMAZAKI, Hitoshi KAWAGUCHI
  • Publication number: 20210170962
    Abstract: A computing system includes a server, and an on-vehicle device mounted on a vehicle. The server includes: a server storage part containing a learned model; a simplification part which generates a contraction information for determination of calculation precision by using the learned model and an object of inference; and a server communication part for transmitting the contraction information to the on-vehicle device. The on-vehicle device includes: a signal input part to which an output signal from a sensor mounted on the vehicle is inputted; an on-vehicle communication part for receiving the contraction information; an inference part for making an inference on the output signal and a reconfigurable logic circuit; and a reconfiguration part for configuring the inference part in the logic circuit based on the contraction information.
    Type: Application
    Filed: December 5, 2018
    Publication date: June 10, 2021
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Riu HIRAI, Goichi ONO, Taisuke UETA
  • Publication number: 20210175145
    Abstract: An electronic control device includes a substrate, a heat generating component mounted on the substrate, a heat dissipation unit thermally coupled to a surface of the heat generating component located on a side opposite to the substrate side, and a cooling mechanism thermally coupled to the heat dissipation unit. The heat dissipation unit includes a porous thermal conductor and a semi-cured resin which includes a heat conductive filler and is formed between at least the porous thermal conductor and the surface of the heat generating component.
    Type: Application
    Filed: November 16, 2018
    Publication date: June 10, 2021
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Minami TERANISHI, Shinya KAWAKITA, Hideyuki SAKAMOTO
  • Publication number: 20210171025
    Abstract: The present invention improves the accuracy of predicting rarely occurring behavior of moving bodies, without reducing the accuracy of predicting commonly occurring behavior of moving bodies. A vehicle 101 is provided with a moving body behavior prediction device 10. The moving body behavior prediction device 10 is provided with a first behavior prediction unit 203 and a second behavior prediction unit 207. The first behavior prediction unit 203 learns first predicted behavior 204 so as to minimize the error between behavior prediction results for moving bodies and behavior recognition results for the moving bodies after a prediction time has elapsed. The second behavior prediction unit 207 learns future second predicted behavior 208 of the moving bodies around the vehicle 101 so that the vehicle 101 does not drive in an unsafe manner.
    Type: Application
    Filed: November 28, 2018
    Publication date: June 10, 2021
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Masayoshi ISHIKAWA, Hiroaki ITO
  • Publication number: 20210173634
    Abstract: The present invention realizes control program update even when the difference data is large. In the present invention, when updating the program, by controlling the amount of data to be received according to the capacity of the area of the vehicle control device storing the difference data, the vehicle control device sequentially performs restoration and update from the received partial data even if not all the difference data are stored.
    Type: Application
    Filed: February 1, 2019
    Publication date: June 10, 2021
    Applicant: Hitachi Automotive Systems, Ltd.
    Inventors: Fumiharu NAKAHARA, Kenichi KUROSAWA, Yusuke ABE
  • Publication number: 20210172394
    Abstract: The present invention provides a method for avoiding knocking in an internal combustions engine, preferably in a gasoline engine with a high compression ratio and a variable valve train which is able to perform EIVC, by injecting a non-combustible fluid into the intake port and/or in the cylinder during a transient operating mode.
    Type: Application
    Filed: January 24, 2019
    Publication date: June 10, 2021
    Applicant: Hitachi Automotive Systems, Ltd.
    Inventors: Naoki YONEYA, Takashi OKAMOTO
  • Patent number: 11029150
    Abstract: The purpose of the present invention is to provide an imaging device capable of both improving object detection accuracy and reducing calculation load. The present invention comprises: a plurality of imaging units; an object information acquisition unit that obtains object information including distance information for objects; a search conditions setting unit that sets conditions for searching for image elements corresponding to specific image elements inside a standard image captured by one of the plurality of imaging units, same being searched for inside a reference image captured by another imaging unit; and a stereo distance detection unit that performs said search on the basis of conditions set by the search conditions setting unit and detects the object distance on the basis of parallax obtained by the search. The search conditions setting unit sets the search range for searches, on the basis of the detection information for the object.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: June 8, 2021
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Manabu Sasamoto, Shinichi Nonaka
  • Publication number: 20210164414
    Abstract: Provided is a technique for identifying a variation in an injection amount by estimating a valve opening start timing in an extremely small injection region of a half lift region. Therefore, a fuel injection control device according to the present invention estimates a valve opening start timing of a fuel injection valve by referring to a characteristic of a reference fuel injection valve acquired in advance.
    Type: Application
    Filed: July 4, 2019
    Publication date: June 3, 2021
    Applicant: Hitachi Automotive Systems, Ltd.
    Inventors: Kotaro OKI, Osamu MUKAIHARA, Fumihiro ITABA, Akira IIZUKA
  • Publication number: 20210162967
    Abstract: Provided is a vehicle control device that can reduce the discomfort to the driver and the influence on an object to be loaded and prevent collision damage. A vehicle control device 100 controls the deceleration of a vehicle 1 based on the distance and the relative speed between the vehicle 1 and an obstacle in front of the vehicle. The vehicle control device 100 includes a control unit 101 that sequentially performs initial braking and main braking on the vehicle 1. The control unit 101 controls a timing of the initial braking based on the estimated weight of the vehicle including the weight of an object to be loaded without changing a timing of the main braking.
    Type: Application
    Filed: February 15, 2019
    Publication date: June 3, 2021
    Applicant: Hitachi Automotive Systems, Ltd.
    Inventor: Ryosuke SHIMIZU
  • Publication number: 20210165444
    Abstract: In the present invention, control feasibility in a vehicle control system architecture is efficiently determined by performing determination based on control feasibility in a physical element based on a converted parameter when a logical architecture is arranged in a physical architecture. The present invention includes: an arrangement unit 101 that arranges a logical architecture 601, which includes a linkage of each of logical functions and an execution time constraint of the linkage, in a physical architecture 300; a delay time calculation unit 104 that calculates a processing delay time based on a converted parameter when the logical architecture 601 is arranged in the physical architecture 300; and a verification unit 102 that verifies whether a total of the processing delay time satisfies the execution time constraint.
    Type: Application
    Filed: April 12, 2018
    Publication date: June 3, 2021
    Applicant: Hitachi Automotive Systems, Ltd.
    Inventors: Satoshi OTSUKA, Kohei SAKURAI, Fumio NARISAWA
  • Patent number: 11023743
    Abstract: Example implementations described herein are directed to integration of far infrared cameras in a vehicle system to detect objects based on relative temperature of objects. Such implementations can improve accuracy when paired, for example, with classification systems that classify objects based on the shape of the object, as both the shape and relative temperature can be used to ensure that the classification is accurate. Further, example implementations can synchronize far infrared cameras with other sensor systems to determine distance, energy, and absolute temperature of an object, which can also be used to enhance classification. Such classifications can then be provided to an advanced driver assistance systems (ADAS), which can control the vehicle system in accordance with the object classification.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: June 1, 2021
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventor: Takeo Shibata
  • Patent number: 11023750
    Abstract: A video output system provided with a camera and an interface device, wherein the interface device is provided with a condition storage unit which specifies conditions under which a video is to be selected by the camera, and a video output unit which outputs a captured video received from the camera, and wherein the camera is provided with: an image sensor; a video generation unit which generates captured videos on the basis of the output of the image sensor; a condition acquisition unit which acquires said conditions from the interface device; a recognition/comparison unit which determines whether or not each captured video generated by the video generation unit meets the acquired conditions, and if it is determined that a captured video meets the conditions, generates identification information on the basis of recognition results of a subject to be recognized that is included in the captured image determined to meet the conditions, and that is associated with the conditions; and a camera calculation unit wh
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: June 1, 2021
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Tetsuya Yamada, Koichi Yokoura, Toshiyuki Innami, Haruki Matono
  • Patent number: 11022214
    Abstract: Provided is a transmission control device which can improve drivability in an acceleration section even while taking a reduction of fuel consumption in a deceleration section into consideration. The transmission control device (transmission controller) which controls a transmission in a running control of a vehicle includes a shift timing calculation unit which determines an acceleration position at which the vehicle accelerates on the basis of a target speed pattern generated from external information, a target gear ratio calculation unit which determines a required gear ratio which is required at the acceleration position, and a gear ratio overwriting command unit which outputs a command of overwriting the gear ratio such that the gear ratio at the acceleration position approaches the required gear ratio.
    Type: Grant
    Filed: June 19, 2018
    Date of Patent: June 1, 2021
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Yasuaki Sato, Hideki Sekiguchi, Hiroyuki Sakamoto
  • Patent number: 11024051
    Abstract: The purpose of the present invention is to provide an object detection device which is capable of accurately estimating the height of a road surface and is capable of reliably detecting an object present on the road surface.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: June 1, 2021
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Felipe Gomezcaballero, Masayuki Takemura, Shinichi Nonaka
  • Publication number: 20210156350
    Abstract: An object of the invention is to provide a fuel supply pump that can simultaneously prevent cavitation erosion in a relief valve seat portion at the time of increasing the pressure and reduce a maximum pressure when releasing an abnormally high pressure. Therefore, in the fuel supply pump, a relief valve mechanism includes a seat portion and a relief valve seated on the seat portion, and sets a set discharge pressure to 30 MPa or more. A seat angle of the seat portion is formed to be 40° to 50°, and a set valve opening pressure of the relief valve mechanism is set to 2 MPa or more than the set discharge pressure.
    Type: Application
    Filed: February 13, 2019
    Publication date: May 27, 2021
    Applicant: Hitachi Automotive Systems, Ltd.
    Inventors: Shunsuke ARITOMI, Masayuki SUGANAMI
  • Patent number: 11019324
    Abstract: The present invention provides a highly reliable stereo camera in which it is possible to prevent the heat generated by an image processing element from contributing to an increase in the temperature of an image sensor, even if the stereo camera is made more compact and the heat density is thus increased inside the stereo camera.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: May 25, 2021
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Mieko Ishii, Atsushi Kazama, Seiichi Katou, Kengo Suzuki, Hidenori Shinohara, Hiroaki Nagai, Kenichi Takeuchi
  • Patent number: 11016928
    Abstract: A microcomputer is connected to a logic circuit. The microcomputer includes a monitoring unit monitoring the state of the logic circuit, a storage unit storing a plurality of information processing items executed by the microcomputer, and a processing unit executing a process on the basis of the state of the logic circuit and at least one information processing item selected from the plurality of information processing items on the basis of a communication frame inputted to the microcomputer.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: May 25, 2021
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Satoshi Tsutsumi, Taisuke Ueta, Shuhei Kaneko, Kenichi Osada
  • Publication number: 20210146894
    Abstract: To enable achievement of stable braking regardless of influences by aging or the like of a brake device.
    Type: Application
    Filed: July 3, 2018
    Publication date: May 20, 2021
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventor: Fumiyuki MATSUMURA
  • Publication number: 20210148317
    Abstract: Disclosed is a fuel injection valve in which a movable core and a fixed core are enclosed in a cylindrical body. The cylindrical body has an annular groove formed therein, on an outer circumferential side of a region in which the movable core and the fixed core are opposed to each other, to define a thin portion of small wall thickness. In a cross section taken along a center axis of the fuel injection valve, the thin portion has curved line sections on both end sides thereof in a direction along the center axis such that the curved line sections respectively connect a bottom of the annular groove to side edges of the annular groove by curved lines. The curved line sections are provided over a range of larger dimension, from the respective side edges in the direction along the center axis, than a depth dimension of the annular groove.
    Type: Application
    Filed: March 26, 2018
    Publication date: May 20, 2021
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Shigeo KUBA, Akihiro YAMAZAKI, Takahiro SAITO, Masaki NAGAOKA
  • Publication number: 20210151928
    Abstract: The maximum value of the reaction force generated on the circuit substrate can be reduced. An electronic control device includes a cover having a hollow opening; a connector inserted into the opening; and a seal member having compressibility that is arranged in contact with a first position of an inner peripheral portion of the opening and that comes into close contact with the inner peripheral portion of the opening and the connector in a compressed state; where the opening has a thickness in a first direction penetrating through the hollow of the opening; an area of a hollow region which is a hollow region of the opening is reduced or maintained along the first direction; the seal member is arranged on an outer peripheral portion of the connector and inserted in the first direction to the opening together with the connector; and an area of the hollow region at the first position is smaller than an area of the hollow region at an entrance of the opening in the first direction.
    Type: Application
    Filed: February 14, 2019
    Publication date: May 20, 2021
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Ryo AKIBA, Yoshio KAWAI