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公开(公告)号：US20240271941A1
公开(公告)日：2024-08-15
申请号：US18567517
申请日：2022-02-21
申请人： HITACHI ASTEMO, LTD.
发明人： Alireza AHRABIAN , Ioannis SOUFLAS
CPC分类号： G01C21/1656 , G01C21/28
摘要： This invention refers to vehicle (10) comprising an inertial measurement unit (26) configured to output inertial related data, a wheel odometry unit (28) configured to output position related data, an electromagnetic sensor unit (20) configured to output first image data and second image data that is previous image data of the first image data, and a visual odometry part (31) configured to receive the inertial related data, the position related data, the first image data, and the second image data and to output an estimated pose of the vehicle (10) computed by associating a first feature point extracted from the first image data with a second feature point extracted from the second image data and evaluating the association of first feature point and second feature point based on the inertial related data from the inertial measurement unit (26) and the position related data from wheel odometry.
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公开(公告)号：US12061267B2
公开(公告)日：2024-08-13
申请号：US17295706
申请日：2019-11-29
申请人： Hitachi Astemo, Ltd.
发明人： Kosuke Sakata , Masayoshi Kuroda
IPC分类号： G01S17/931 , B60W40/06 , B60W40/08 , B60W50/06 , B60W50/14 , G01S7/481 , G01S7/497 , G01S17/42
CPC分类号： G01S17/931 , B60W40/06 , B60W40/08 , B60W50/06 , B60W50/14 , G01S7/4814 , G01S7/497 , G01S17/42 , B60W2040/0881 , B60W2420/408
摘要： Regardless of the irradiation method of the distance measuring sensor, degradation of recognition performance due to a change in the installation position of the distance measuring sensor is suppressed. An outside environment recognition device (12) that recognizes an outside environment around a vehicle according to an observation result of a LiDAR sensor (11) installed in the vehicle is configured to include a storage unit (21) that stores posture information of an installation posture of the LiDAR sensor in a three-dimensional predetermined coordinate system, a coordinate signal conversion unit (23) that converts a plurality of observation points obtained from the LiDAR sensor into a plurality of three-dimensional coordinate signals on the basis of the posture information in the predetermined coordinate system, a road surface candidate point extraction unit (24) that extracts a plurality of road surface candidate points indicating a road surface from the plurality of three-dimensional coordinate signals based on a height component of each of the three-dimensional coordinate signals, a road surface plane estimation unit (25) that estimates a road surface plane based on the plurality of road surface candidate points, and a calibration amount calculation unit (26) that calculates a calibration amount of the posture information based on a reference plane set based on the predetermined coordinate system and the road surface plane.
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公开(公告)号：US20240266893A1
公开(公告)日：2024-08-08
申请号：US18564164
申请日：2021-08-27
申请人： HITACHI ASTEMO, LTD.
CPC分类号： H02K1/276 , B60K6/26 , B60Y2200/92 , B60Y2400/60 , H02K29/03
摘要： A rotor for a rotary electric machine, and a rotary electric machine using the same include a pair of first magnets arranged in a V shape, and a pair of second magnets, magnet holes are provided with a first magnetic vacancy facing a d-axis with the first magnet interposed therebetween, and a second magnetic vacancy facing the d-axis with the second magnet interposed therebetween, the distance from the d-axis to an end portion of the first magnetic vacancy is made larger than the distance from the d-axis to an end portion of the second magnet in an outermost diameter side when viewed in a direction perpendicular to the d-axis, the distance between the first magnetic vacancy and the second magnetic vacancy in an outermost diameter side is smaller than the distance between the second magnetic vacancies adjacent to each other in a plurality of magnetic poles, and the V-shape formed by the pair of first magnets has an inside angle with a magnitude which is larger than that of the inside angle formed by the pair of second magnets.
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公开(公告)号：US20240265693A1
公开(公告)日：2024-08-08
申请号：US18565413
申请日：2022-02-07
申请人： Hitachi Astemo, Ltd.
发明人： Kota IRIE , Hirotomo SAI , Takakiyo YASUKAWA
CPC分类号： G06V10/87 , G06V10/94 , G06V20/58 , H04N17/002 , G06V20/588 , G06V2201/03 , H04N23/90
摘要： Provided are an image processing apparatus and an image processing system capable of performing control in a state where redundancy is secured even when an imaging device itself has failed or is malfunctioning. The image processing apparatus 3 recognizes a recognition target based on image data obtained by imaging an outside world using a first imaging device 2a and a second imaging device 2b installed to be spaced apart from the first imaging device 2a in a vertical direction from an interior of a vehicle via a window glass 6, and includes: a first image processing unit 3a that recognizes a first recognition target based on image data of the first imaging device 2a; and a second image processing unit 3b that recognizes a second recognition target different from the first recognition target based on image data of the first imaging device 2a and the second imaging device 2b. When a predetermined condition is satisfied, the second image processing unit 3b recognizes the first recognition target.
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35.发明公开公开(公告)号：US20240262413A1
公开(公告)日：2024-08-08
申请号：US18563958
申请日：2022-02-15
申请人： HITACHI ASTEMO, LTD.
CPC分类号： B62D5/0472 , B60L15/025 , H02P21/05 , H02P21/22 , B60L2240/423 , B60L2240/429
摘要： A motor control device includes: an inverter circuit that drives a motor; and a control unit that generates a current command value on the basis of a torque command to the motor, and outputs a PWM pulse to the inverter circuit on the basis of the current command value to control the inverter circuit, and the control unit sets a phase shift amount of a carrier wave of the PWM pulse, estimates a fluctuating torque according to the phase shift amount, and corrects the current command value on the basis of the fluctuating torque.
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公开(公告)号：US12054131B2
公开(公告)日：2024-08-06
申请号：US17426003
申请日：2020-01-24
申请人： Hitachi Astemo, Ltd.
发明人： Wataru Yokoyama
CPC分类号： B60T13/741 , B60T8/172 , B60T8/885 , B60T17/22
摘要： An electric brake apparatus includes a brake mechanism, a parking mechanism, and a main ECU and rear electric brake ECUs. The main ECU performs re-holding control (re-clamping) of, after holding a braking force by the parking mechanism, releasing the holding of the braking force with the braking force applied or maintained and further applying the braking force, and then holding the braking force by the parking mechanism after that. In this case, the main ECU does not release the braking force on a rear right wheel until completing the re-holding control on a rear left wheel side. Alternatively, the main ECU does not release the braking force on the rear left wheel side until completing the re-holding control on the rear right wheel.
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公开(公告)号：USRE50061E1
公开(公告)日：2024-07-30
申请号：US17691928
申请日：2022-03-10
申请人： Hitachi Astemo, Ltd.
发明人： Masao Fujimoto , Keiji Hamada
CPC分类号： B62D5/0406 , B62D5/0481 , H02K5/225 , H02K9/223 , H02K11/30 , H02K11/33 , H02K2211/03
摘要： An electric drive device has a motor housing accommodating therein an electric motor; a pair of supporting stems arranged so as to face to each other on an end surface, which is an opposite side to an output shaft portion of a rotation shaft of the electric motor, of the motor housing and extending in a direction of the rotation shaft which is an opposite direction to the output shaft portion; a heat radiation base body arranged between the pair of supporting stems and extending in the same direction as those of the supporting stems; fixing bolts screwed into the heat radiation base body from a radially outer side to a radially inner side through the supporting stems and connecting the supporting stems and the heat radiation base body; one electronic control unit of a redundant system, arranged along a direction in which the heat radiation base body extends and having a board that is fixed to the heat radiation base body with thermal conduction to the heat radiation base body allowed; and the other electronic control unit of the redundant system, arranged along a direction in which the heat radiation base body extends and having a board that is fixed to the heat radiation base body with thermal conduction to the heat radiation base body allowed.
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公开(公告)号：US12050902B2
公开(公告)日：2024-07-30
申请号：US17783530
申请日：2020-11-20
申请人： HITACHI ASTEMO, LTD.
发明人： Shota Gunji , Yusuke Kogure , Kentarou Yoshimura
摘要： Matching programs are activated by a plurality of calculation units. A vehicle control device that controls a vehicle includes a plurality of calculation units that execute calculation processing for vehicle control; and a plurality of program storage areas that store a plurality of programs in which a procedure of the calculation processing is defined, wherein a main calculation unit includes a main program activation unit that activates one main program from the plurality of main programs, and a sub-calculation unit includes a sub-program selection unit that selects a sub-program to be activated by the sub-calculation unit based on an activation result of the main program activation unit, and a sub-program activation unit that activates one sub-program based on a selection result of the sub-program selection unit.
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公开(公告)号：US20240249993A1
公开(公告)日：2024-07-25
申请号：US18559153
申请日：2022-02-07
申请人： Hitachi Astemo, Ltd.
发明人： Ryo AKIBA , Yoshio KAWAI , Keiko UENO
IPC分类号： H01L23/367
CPC分类号： H01L23/3675
摘要： An electronic control device capable of achieving both high heat dissipation and solder connection reliability is achieved. An electronic control device 101 includes a circuit board 3 mounted with an electronic component 7 and a connector 4, a base 1 housing this circuit board 3, a cover 2 closing this base 1, a heat dissipation pedestal 9 formed on the base 1, and a thermally conductive material 8 arranged on an upper surface of this heat dissipation pedestal 9. On the upper surface of the heat dissipation pedestal 9 on which the thermally conductive material 8 is arranged, a plurality of grooves 14 formed radially from the center of the upper surface of the heat dissipation pedestal 9 and where the thermally conductive material 8 enters are formed. The electronic component 7 is configured to be in contact with the heat dissipation pedestal 9 via the thermally conductive material 8. This can achieve an electronic control device capable of achieving both high heat dissipation and solder connection reliability.
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公开(公告)号：US12047062B2
公开(公告)日：2024-07-23
申请号：US17595051
申请日：2020-04-03
申请人： Hitachi Astemo, Ltd.
发明人： Tatsuo Nakagawa , Akeo Satoh , Akira Kotabe
IPC分类号： H03K17/687 , G01R31/50
CPC分类号： H03K17/6871 , G01R31/50
摘要： An electronic circuit that recognizes a disconnected state from an outside during disconnection of a power supply line is provided. For this purpose, an electronic circuit includes: a load provided between a power supply line and an output terminal in the electronic circuit; a transistor provided between the load and the output terminal; a current generation circuit that generates current using a power supply voltage at a power supply line in the electronic circuit; and a control circuit that controls the transistor using a control voltage that changes according to the current generated by the current generation circuit.
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