Hitachi Astemo Ltd.

Hitachi Automotive Systems, Ltd.

Hitachi High-tech Science Corporation

Ebara Corporation

Yokogawa Electric Corporation

Daido Tokushuko Kabushiki Kaisha

Ebara Environmental Plant Co., Ltd.

Hideyuki Sakamoto

Teppei Hirotsu

Tatsuya Horiguchi

Hidetatsu Yamamoto

Yuki Nakamura

Hiroshi Yoshida

Taisuke Ueta

Yutaka Uematsu

Takao Fukuda

Masahiro Toyama

Masahiro Toyohara

Tadanobu Toba

Kenichi Shimbo

Osamu Mukaihara

Shinya Kawakita

Motoyuki Abe

Ryo Kusakabe

Toshihiro Aono

Hiroshi Shinoda

Ayumu Hatanaka

Satoshi Tsutsumi

Minami Teranishi

Hideki Endo

Jun Horigome

Umberto Paoletti

Yoko Ohkubo

Hiroki Funato

Toshiaki Nakamura

Yoshihito Yasukawa

Akiyasu Miyamoto

Ming Liu

Isao Hoda

Shigenobu Komatsu

Hiroaki Igarashi

Kai Maruyama

Ryoichi Inada

Nozomi Kasahara

Tatsuya Hatakeyama

Takeshi Yamakawa

Takeshi Fukuda

Toshio Hori

Masayoshi Takahashi

Masaki Watanabe

Yasuhiro Ikeda

Masaru Kokubo

Yuki Tanaka

Mitsuhiko Watanabe

Takeshi Konno

Yusaku Katsube

Akira Nishioka

Naoki Suzuki

Shigeki Ueta

Fumio Narisawa

Michio Okabe

Tasuku Ishigooka

Hideharu Ehara

Hiroshi Yakuwa

Satoru Shigeta

Koichi Yahata

Keisuke Fukumasu

Tomohiko Yano

Daisuke Mashimo

Toshiaki Shirai

Katsutoshi Shimizu

Yoshihisa Fujii

Manabu Noguchi

Jasper Bryan Sale Ratilla

Chuji Akiyama

Shinichirou Hida

Michihito Watarai

Eiji Ichikawa

Miki Hiraoka

Hitoshi Yasui

Hideo Matsukawa

Maria Norina Epa Jandusay

Yuta Muto

Toshiaki Takai

Rino Nakajima

Charisma Tan Delos Reyes

Kiyoshi Aiki

Masayoshi Kashihara

Kouichi Yahata

Kei Matsuoka

Akira Uchino

Masayuki Kawabata

Ryohichi Inada

Yasuhisa Honda

Daisuke Tanaka

Keiji Kadota

Yoshiyuki Sawada

Akio Ikeya

Koji Kurita

Hirotaka Amo

Makio Ishikawa

Yasuhiko Shioe

Swarn Singh Rathour

Ryujo Sugahara

Motomune Suzuki

Masayoshi Kawatsu

Charisma Tan De Los Reyes

The present disclosure provides a vehicle control device capable of detecting overheating of a CPU or a heat dissipation failure of the cooling mechanism, while suppressing increases in the size, the number of components, and the cost. A vehicle control device according to the present embodiment includes a memory, a CPU, a temperature sensor that is provided internal of the CPU, and a cooling mechanism that cools the CPU. The memory stores therein a standard pattern SP, a wait time tw, a standard temperature Ts, and a normal temperature difference. The CPU then stores the load of the CPU in the memory, and monitors the load. When the load changes in accordance with the standard pattern SP, the CPU calculates a temperature difference ΔTse between the standard temperature Ts and an evaluation temperature Te of the temperature sensor at the time point when the wait time tw elapses from the first pattern SPhas started, and determines a failure when the temperature difference ΔTse is larger than the normal temperature difference.

Vehicle control device

An electronic control device includes a housing including a first region in which heat dissipation fins are formed on one side and an electronic component generating the largest amount of heat is in thermal contact with the other side, and a second region in which an electronic component is in thermal contact with the one side and the other side.

Electronic control device

An object of the present invention is to provide a vehicle control device and a vehicle control system capable of further reducing system cost in failure mitigation. The vehicle control device includes a master ECU and one or more client ECUs. The master ECU generates a safety process list on a basis of a predetermined failure operation pattern and transmits the safety process list to each of the client ECUs when detecting a failure of any one of the client ECUs, the safety process list includes one or more safety processes and an execution start time limit corresponding to each of the safety processes, each of the client ECUs switches an operation mode from a normal mode to a failure operation mode in response to reception of the safety process list, and starts execution of each of the safety processes by a corresponding execution start time limit, the failure operation pattern is configured such that each of the safety processes is executed by a client ECU having a memory capacity capable of executing the safety process, and the failure operation pattern is configured such that the same safety process is not executed by a plurality of client ECUs.

Vehicle control device and vehicle control system

A signal transmission circuit includes: a circuit board stored in a housing; a connector which is mounted on the circuit board and includes a first signal terminal and a first ground terminal; and an integrated circuit which is mounted on the circuit board and includes a second signal terminal and a second ground terminal. The first signal terminal and the second signal terminal are connected to each other by a signal wiring arranged on the circuit board. The first around terminal and the second ground terminal are connected to each other by a ground wiring arranged in a predetermined range including a portion immediately above or immediately below the signal wiring in the circuit board. At least a part of the ground wiring immediately above or immediately below the signal wiring has a high impedance structure formed to be wider than the signal wiring and narrower than a combined width of the first signal terminal and the first ground terminal.

Signal transmission circuit and electronic control device

An electrical device includes a first housing which has therein a first circuit board on which a first electronic component is mounted, a second housing which has therein a second circuit board on which a second electronic component is mounted, and fans which send air passing between the first housing and the second housing. The first housing has a plurality of fins facing the second housing. The second housing has a plurality of fins facing the first housing. In at least one of cross sections of the first circuit board in a thickness direction, the electrical device has a structure having a region in which the fin of the first housing is longer than the fin of the second housing and a region in which the fin of the first housing is shorter than the fin of the second housing.

Electrical device and electronic control device with housings having fin arrangement and fan for air flow

An electronic control device includes a conductive casing; a circuit board which is provided in the casing, and on which an electronic component including an integrated circuit is mounted; and a conductive conductor component that is provided on the circuit board, is disposed at a position higher than the electronic component, and has an elongated shape, in which a distance between the conductor component and the casing is shorter than a distance between the conductor component and the circuit board.

An electronic control device includes a base, a first fan and a second fan provided on one surface, a plurality of first heat-dissipating fins provided on the one surface in a first region including a region between first and second fans such that the plurality of first heat-dissipating fins are provided in the region between the first second fans, and a plurality of second heat-dissipating fins provided on the one surface and in a second region. The plurality of first heat-dissipating fins guide a refrigerant sent by one of the first and second fans toward a remaining one of the first and second fans in the first region, and the plurality of second heat-dissipating fins provided in the second region have a structure for guiding a refrigerant flowing in from the first fan or the second fan away from the first fan and the second fan.

An electronic control device comprising: a housing having conductivity; a circuit board that is arranged in the housing and has a first electronic component mounted on a mounting surface; an external connection portion that is electrically connected to the circuit board and is connectable to a device outside the housing; and a duplexing member that has conductivity and is arranged between an inner surface of the housing and the mounting surface of the circuit board, in which the duplexing member forms a cutout portion to avoid contact between the duplexing member and the first electronic component, and further forms a partition portion that partitions the external connection portion between the housing and the circuit board.

There are realized a vehicle control device and an electronic control system with high reliability capable of safely shifting control even when an operation abnormality occurs in a sensor around a vehicle or an arithmetic block that processes sensor fusion. The vehicle control device includes a first arithmetic block which performs sensor fusion processing based on pieces of raw data output from a plurality of surrounding environment sensors, a second arithmetic block which performs sensor fusion processing based on pieces of object data generated by processing the pieces of raw data output from the plurality of surrounding environment sensors, and a third arithmetic block which diagnoses an output result of the first arithmetic block by using the output result of the first arithmetic block and an output result of the second arithmetic block.

Vehicle control device and electronic control system

An electronic control device includes a receiving unit that receives a data signal from an external device via a transmission line, a determination criterion selection unit that determines a determination criterion based on transition information of a waveform in the data signal, and a condition determination unit that determines a condition of a communication system including the external device, the receiving unit, and the transmission line based on a transmission waveform characteristic in the data signal and the determination criterion.

Electronic control device and determination method

A signal transmission circuit includes a common frequency filter configured to filter a signal centering on a common frequency that is an anti-resonance frequency; a first frequency filter configured to filter a signal centering on a first frequency that is an anti-resonance frequency; a second frequency filter configured to filter a signal centering on a second frequency that is an anti-resonance frequency; a first route connected to a first signal wiring line configured to transmit a digital signal; and a second route connected to a second signal wiring line configured to transmit a digital signal. The first route has the common frequency filter connected to a power supply circuit, and the first frequency filter disposed between the common frequency filter and the first signal wiring line and connected in series to the common frequency filter, the second route has the common frequency filter, and the second frequency filter disposed between the common frequency filter and the second signal wiring line and connected in series to the common frequency filter, and both the first frequency and the second frequency are equal to or higher than the common frequency.

Signal transmission circuit and signal transmission system

An electronic control device includes an enclosure including a first enclosure having an assembly opening and a second enclosure covering the entire assembly opening, the enclosure having a communication opening communicating with the assembly opening; a circuit board accommodated in the enclosure; an integrated circuit element mounted on the circuit board; and a heat dissipating shield member thermally coupled to the integrated circuit element and grounded, wherein the heat dissipating shield member includes an inner portion accommodated inside the enclosure and thermally coupled to the integrated circuit element and an outer portion extending to an outside of the enclosure via the communication opening.

A signal transmission device including a signal wiring, a wide wiring that is formed continuously with one and the other of the signal wirings and has a wiring width larger than a wiring width of at least the one or the other of the signal wirings, a power wiring to which a signal/power separation filter is connected via a branch wiring branching from the wide wiring, and an open stub wiring that is connected to the branch wiring and has an open tip.

Signal transmission device

Provided is an automatic driving system based on a model predictive control, the automatic driving system where, in an event of a failure of an actuator, identification between a real vehicle and a vehicle model is simplified. Based on information regarding the failure of the actuator, the automatic driving system updates a spot in the vehicle model, the spot corresponding to the spot of failure detected, to a fixed value, and causes an actuator control device for the actuator, where the failure is detected, to fix a command value that is overwritten in accordance with a state of the actuator. With this configuration, the identification between the real vehicle and the vehicle model is simplified.

An electronic control device including a circuit substrate having a signal wiring and a ground wiring; at least one connector having a signal conductor and a ground conductor respectively connected to the signal wiring and the ground wiring of the circuit substrate on one end side and extending on the other end side; a housing including an accommodating portion that accommodates the circuit substrate and the at least one connector, in which a radio wave path through which a leakage electromagnetic wave propagates from one end on the circuit substrate side toward the other end on the side opposite to the circuit substrate side of the at least one connector is formed in an internal space at the periphery of the at least one connector; and a leakage electromagnetic wave attenuating structure provided between the housing and the at least one connector; where the leakage electromagnetic wave attenuating structure includes a plurality of conductors that are arrayed along a direction in which the leakage electromagnetic wave propagates from the one end of the at least one connector, and attenuate the leakage electromagnetic wave propagating through the radio wave path.

Growing community of inventors

Hitachinaka, Japan

Hideyuki Sakamoto