Hitachi, Ltd.

Hitachi Astemo Ltd.

Mitsubishi Electric Corporation

Mitsubishi Denki Kabushiki Kaisha

Chubu Electric Power Company, Inc.

Kenichi Shimbo

Tadanobu Toba

Yutaka Uematsu

Hideyuki Sakamoto

Takumi Uezono

Taisuke Ueta

Hideki Osaka

Tatsuya Horiguchi

Hidefumi Ibe

Nobuyasu Kanekawa

Yusuke Kanno

Hiromichi Yamada

Yasuhiro Ikeda

Atsushi Suzuki

Kotaro Shimamura

Hitoshi Taniguchi

Masaharu Kinoshita

Goichi Ono

Atsushi Arata

Shinichi Nonaka

Takeo Yamashita

Atsushi Ichige

Nozomi Kasahara

Yoshihisa Oguchi

Shuichi Nishino

Fumihiko Nagasaki

Hironori Terauchi

Ichio Motegi

Kyosuke Isono

Toshiya Kumai

Hisaya Saitou

Hiroaki Itsuji

A processor system includes: one or more processors; and one or more memory resources. The memory resource is configured to store a diagnostic program configured to diagnose an electronic system including a mobile body or equipment, and a plurality of knowledge graphs for use in the diagnostic program and including at least a first knowledge graph and a second knowledge graph created based on domain knowledge different from that of the first knowledge graph. The processor is configured to execute the diagnostic program to (1) evaluate a semantic similarity between a first knowledge item included in the first knowledge graph and a second knowledge item included in the second knowledge graph, and (2) generate, when the similarity satisfies a predetermined condition, an integrated graph in which the first knowledge graph and the second knowledge graph are integrated.

Processor system and failure diagnosis method

An arithmetic operation device executes a test using a partially reconfigurable programmable logic unit, the programmable logic unit includes a test target circuit which is a user circuit, and a non-test circuit which is a user circuit which is not the test target circuit, and the arithmetic operation device includes a configuration control unit which causes the programmable logic unit to form, by partial reconfiguration, a test partition unit which separates the test target circuit and the non-test circuit, and a partition control unit which controls the test partition unit to test the test target circuit.

Arithmetic operation device, testing method

The subject is to provide a technique of dealing with an internal state of a controller in an edge device by cooperation between an edge device and a computer such as a cloud server, and to generalize data communication for the cooperation and reduce an amount of data communication. Provided is a distributed system including an edge device and a diagnostic data computer. The edge device includes an in-edge controller including at least a processing unit, and a system element to be monitored by the in-edge controller. The processing unit diagnoses presence or absence of an abnormality in the processing unit due to an abnormality occurring in the system element, generates first diagnostic data indicating presence or absence of the abnormality of the processing unit, converts the first diagnostic data into second diagnostic data indicating a type of the abnormality of the processing unit, and transmits the second diagnostic data to the diagnostic data computer.

Distributed system and data transmission method

It is possible to reduce the amount of data transmitted from the edge system to the outside while securing the amount of information necessary for purposes such as factor analysis and diagnosis and the cycle of information acquisition. A distributed system includes: an edge device that is a moving body or equipment capable of automatic operation; and a diagnostic data computer. The edge device has: at least one of a movement mechanism and an actuation mechanism for implementing automatic operation; a component corresponding to at least one of the movement mechanism and the actuation mechanism; and an intra-edge controller that controls the component. The intra-edge controller reads state data acquired in the component, aggregates the read state data into component-level state data, determines an allowable latency when transferring the component-level state data to a transfer destination according to a predetermined rule, and transfers the component-level state data to the diagnostic data computer based on the allowable latency.

Distributed system and data transfer method

A distributed system includes an edge device which is at least one of an automatically operable moving body and equipment, and a diagnostic data computer, in which the edge device converts state data representing a state of a component that is a constituent of a replaceable unit forming the edge device, into diagnostic data according to a predetermined diagnostic algorithm, and the diagnostic data computer acquires the diagnostic data from a first edge device, and specifies a second edge device that employs a component related to the component employed in he first edge device.

Distributed system and data processing method

Malware infection or an abnormal operation caused by a malicious attack is detected in real time, even in an electronic device with relatively inferior processing capacity. An electronic device includes an executable code identification unit configured to receive an executable code string output from a processor, and identify at least an execution address in a user program region of an operating system (OS), and an execution address in a kernel region, and a determination unit configured to check a predetermined feature value obtained at a predetermined timing from an identification result obtained by the executable code identification unit, against a predetermined expected value, and determine that an attack happens, in a case where a difference is equal to or larger than a predetermined difference, and the determination unit notifies the processor of a predetermined abnormality notification signal if the determination unit determines that an attack happens.

Electronic device and attack detection method of electronic device

An electronic control unit that is installed on a vehicle connected to a trailer and capable of towing the trailer changes travel control of the vehicle according to a type of the trailer when the trailer is connected to the vehicle.

Electronic control unit

An electronic control device includes a first processing control unit and a second processing control unit, wherein: the first processing control unit and the second processing control unit alternately start arithmetic processing with information of an external environment as an input; and second arithmetic processing of the second processing control unit is started after first arithmetic processing by the first processing control unit is started and before the first arithmetic processing is ended.

Electronic control device and parallel processing method

An electronic control device includes a processing control unit and an information acquisition unit. The information acquisition unit collects and transfers external environment information to the processing control unit, the processing control unit includes a first processor, a second processor, and a storage unit, the processing control unit executes arithmetic processing by a non-redundant and redundant processing configuration that executes non-redundant and redundant processing using the first processor and the second processor, respectfully, and the processing control unit stores a result of arithmetic processing by the non-redundant processing configuration in the storage unit, individually performs arithmetic processing using the stored result in both the first processor and the second processor by arithmetic processing by the redundant processing configuration, and performs determination for an arithmetic processing result by the non-redundant processing configuration based on an arithmetic result by the first processor and an arithmetic result by the second processor.

Electronic control device and control method

An electronic control unit is mounted on a vehicle, and includes a reception unit that receives a data signal transmitted via a transmission path mounted on the vehicle; an environmental information acquisition unit that acquires environmental information of the vehicle; and a determination unit that determines the state of the transmission path, in which the reception unit includes an equalizer that compensates for the data signal, the equalizer calculates a compensation parameter for compensating for the data signal, and the determination unit determines the state of the transmission path based on the compensation parameter and the environmental information.

Electronic control unit and determination method

A monitoring device conducts a process of obtaining pieces of distance data representing distances to a plurality of physical objects present in a monitoring region, from measurement results of the monitoring region, and using the distance data as current distance data; obtaining past distance data from the measurement results, and converting the past distance data into comparison distance data; calculating difference values between the current distance data and the comparison distance data, and extracting changed regions whose difference values are greater than or equal to a threshold; creating an image obtained by transforming a frontal viewpoint image such that a viewpoint of the measurement of the monitoring region is moved, the frontal viewpoint image being based on the current distance data and the changed regions; and identifying the plurality of physical objects present in the monitoring region, on the basis of the frontal viewpoint image and the coordinate transformed image.

Monitoring device

To detect a discrimination error in a type of an object. A calculation system includes a first device and a second device. The first device includes: a first object map generation unit configured to calculate, using first image information that is image information acquired by the first device, a first object map indicating a type of an object and a position of the object; and a first communication unit configured to transmit the first object map to the second device. The second device includes: a second object map generation unit configured to calculate, using second image information that is image information acquired by the second device, a second object map indicating a type of an object and a position of the object; and a comparison unit configured to compare the first object map and the second object map.

Calculation system and calculation method

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.

Electronic control device and preferential error detection method of configuration memory

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 completed after completion of the reconfiguration of the first circuit.

Electronic control device and circuit reconfiguration method

Learning data of a usage environment can be efficiently collected. A recognition apparatus includes: a first neural network configured to receive input of data; a second neural network configured to receive input of the data, the second neural network having a different structure from a structure of the first neural network; a comparison unit configured to compare a first output result of the first neural network and a second output result of the second neural network; and a communication unit configured to wirelessly transmit the data to a host system configured to learn the data when a comparison result between the first output result and the second output result is different by a predetermined standard or more.

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Tokyo, Japan

Kenichi Shimbo