Abstract: The present disclosure includes device controllers that output control signals to in-vehicle devices based on a target motion set by a target motion setter based on input from the sensors, and a device failure diagnostic unit provided between the device controllers and the in-vehicle devices in a communication path of an arithmetic unit, in which the device failure diagnostic unit has a device diagnostic table in which the in-vehicle devices associated with each function are specified for each function of the vehicle, and diagnoses a failure of the in-vehicle devices based on output of the in-vehicle devices and the device diagnostic table.

Abstract: Electronic devices include: a first electronic device capable of being always supplied with power; and a second electronic device capable of being supplied with the power through an operation by an occupant. Each of power supply hubs is located near the first electronic device, and connected to a battery or another one of the power supply hubs by one of main power supply lines. Each of the first and second electronic devices is connected to nearby one of the power supply hubs. Each of zone ECUs outputs a control signal to one of power supply ICs so as to distribute, to the first and second electronic devices, the power supplied to one of the power supply hubs by one of the main power supply lines.

Abstract: A network hub device used for building a simple network configuration in an in-vehicle network system is provided. A network hub device (22) is provided in a vehicle body and is coupled to a trunk network through which a digital control signal is transmitted. A sub hub device (241, 242) performs input/output of a signal to/from an in-vehicle device provided in a partial body assembled to the vehicle body via a movable portion. The sub hub device (241, 242) is provided in the partial body and the digital control signal is transmitted/received between the sub hub device (241, 242) and the network hub device (22) via a wire harness passing through the movable portion.

Abstract: A network hub device used for building a simple network configuration in an in-vehicle network system is provided. A network hub device (35) is coupled to a trunk network and performs input/output of a signal to/from an in-vehicle device via a plurality of device side communication ports. A signal conversion section (35a, 35b) configured to perform signal conversion between a digital control signal and an analog control signal is provided between a trunk side communication port and an analog port. A second signal conversion section (70) configured to perform signal conversion between a digital control signal and an analog control signal is provided between a digital port (49) and a predetermined in-vehicle device (353).

Abstract: A design method for a vehicle control system includes designing in such a manner that an allowable delay time that is allowed from when operation information is input to an information acquisition unit to when a control signal of an actuator to be operated is output is set in the actuator, and in a case where the allowable delay time is less than a predetermined reference time, an operation-signal generation unit of the actuator is provided in a zone ECU disposed in each predetermined zone of a vehicle and to which the actuator to be operated is connected.

Abstract: A central control device and a plurality of relay devices constitute a backbone network. Each of the relay device includes: a backbone-side communication port connected to a backbone network; a plurality of device-side communication ports configured to input and output a signal to/from an onboard device; and a first interface conversion device configured to perform interface conversion between the backbone-side communication port and the device-side communication ports. The device-side communication ports include a plurality of general-purpose communication ports to which a common input circuit and/or output circuit is connected. A predetermined first onboard device is directly connected to the general-purpose communication ports, whereas a predetermined second onboard device is connected to the general-purpose communication ports via a predetermined first onboard device.

Abstract: An in-vehicle network system includes an upper device, a first intermediate device, and a first lower device. The first intermediate device includes a first communication unit and a second communication unit that are arranged redundantly and that have a communication function. The first intermediate device is configured to communicate with the upper device via a plurality of communication paths. The first lower device is connected to the first communication unit and the second communication unit of the first intermediate device.

Abstract: Electronic devices include: a first electronic device capable of being always supplied with power; and a second electronic device capable of being supplied with the power through an operation by an occupant. Each of power supply hubs is located near the first electronic device, and connected to a battery or another one of the power supply hubs by one of main power supply lines. Each of the first and second electronic devices is connected to nearby one of the power supply hubs. Each of zone ECUs outputs a control signal to one of power supply ICs so as to distribute, to the first and second electronic devices, the power supplied to one of the power supply hubs by one of the main power supply lines.

Abstract: A network hub device used for building a simple network configuration in an in-vehicle network system is provided. A network hub device (35) is coupled to a trunk network and performs input/output of a signal to/from an in-vehicle device via a plurality of device side communication ports. A signal conversion section (35a, 35b) configured to perform signal conversion between a digital control signal and an analog control signal is provided between a trunk side communication port and an analog port. A second signal conversion section (70) configured to perform signal conversion between a digital control signal and an analog control signal is provided between a digital port (49) and a predetermined in-vehicle device (353).

Abstract: A ring-shaped power supply system includes: a plurality of relays provided apart from each other on a ring-shaped power supply wire; a plurality of detectors, each provided between ones of the relays, for detecting an electrical change caused by a break when such a break has occurred in the ring-shaped power supply wire; and an arithmetic processor that localizes the point of the break in the ring-shaped power supply wire based on electrical changes detected by the plurality of detectors and cuts off ones of the relays located on both sides of the break point.

Abstract: A network hub device used for building a simple network configuration in an in-vehicle network system is provided. A network hub device (22) is provided in a vehicle body and is coupled to a trunk network through which a digital control signal is transmitted. A sub hub device (241, 242) performs input/output of a signal to/from an in-vehicle device provided in a partial body assembled to the vehicle body via a movable portion. The sub hub device (241, 242) is provided in the partial body and the digital control signal is transmitted/received between the sub hub device (241, 242) and the network hub device (22) via a wire harness passing through the movable portion.

Abstract: A central control device and a plurality of relay devices constitute a backbone network. Each of the relay device includes: a backbone-side communication port connected to a backbone network; a plurality of device-side communication ports configured to input and output a signal to/from an onboard device; and a first interface conversion device configured to perform interface conversion between the backbone-side communication port and the device-side communication ports. The device-side communication ports include a plurality of general-purpose communication ports to which a common input circuit and/or output circuit is connected. A predetermined first onboard device is directly connected to the general-purpose communication ports, whereas a predetermined second onboard device is connected to the general-purpose communication ports via a predetermined first onboard device.

Abstract: An on-board network system includes: a main arithmetic unit; a plurality of communication paths extending in different directions toward respective portions of a vehicle body; a plurality of sub-arithmetic units on the communication paths; and a storage device storing a priority order of communications according to a type of communication data. At a disturbance of one of the communication paths connected to one of the sub-arithmetic units, the main arithmetic unit reduces communications having a priority lower than a predetermined criterion and assigns, to the area with the communications reduced, communication data having a priority higher than the predetermined criterion among the communication data in the one of communication paths disturbed to continue communications in the other communication paths.

Abstract: An actuator control device (12) receives an output of a travel control device (100) via a first communication path (14), and controls a body-related actuator (13) in accordance with an instruction signal output from the travel control device (100). A second communication path (15) for transmitting a predetermined signal to the actuator control device (12) is provided independently from the first communication path (14). The actuator control device (12) controls the body-related actuator (13) in accordance with the predetermined signal received via the second communication path (15) at a disturbance of a communication via the first communication path (14).

Abstract: An in-vehicle network system includes a central ECU, which generates a control signal for a plurality of devices, and a plurality of zone ECUs, which relay a control signal from the central ECU. The plurality of devices include a first specific device (power window device, etc.), which is a device unrelated to drive control or the like of a vehicle, and which includes a sub controller (third signal processing unit, etc.) capable of activating an actuator based on an ON signal from at least one or some of the sensors. The first specific device is configured to control the actuator by using the sub controller in occurrence of abnormality of communication between the central ECU and the first specific device.

Abstract: An in-vehicle power supply structure, in which a vehicle is divided into a plurality of zones and a power supply hub for connecting an electronic device is provided in each of the zones, includes a break detection wire routed along a power supply wire, for detecting damage to the power supply wire caused by an external force acting on the vehicle by its own damage. Both ends of the break detection wire are connected to power supply hubs placed adjacent to each other.

Abstract: About a central arithmetic unit in an in-vehicle network system, the configuration which can easily correspond to a wide range of vehicle types and grades is provided. The central arithmetic unit (10) provided in the in-vehicle network system includes a main function calculation unit (11) for realizing main functions including at least driving assistance, and an autonomous driving calculation unit (12) for performing calculation for autonomous driving. The main function calculation unit (11) and the autonomous driving calculation unit (12) are divided into different function blocks.

Abstract: An in-vehicle network system includes: an upper device; a first intermediate device that is connected to the upper device directly or via at least one device and is configured to communicate with the upper device using a first communication system; a second intermediate device that is connected to the upper device directly or via at least one device and is configured to communicate with the upper device using a second communication system; and a first lower device that is directly connected to the first intermediate device and is configured to communicate with the first intermediate device using the first communication system, and that is directly connected to the second intermediate device and is configured to communicate with the second intermediate device using the second communication system.

Abstract: A first controller includes a plurality of computation units and a diagnosis unit. A second controller is disposed on a signal path between the first controller and an actuator, and includes an output unit. Each of the computation units supplies a first control signal for controlling the actuator to the output unit. The diagnosis unit performs an abnormal diagnosis of each of the computation units. The output unit outputs a second control signal for controlling the actuator based on the first control signals supplied from the computation units and diagnosis results of the computation units obtained by the diagnosis unit.

Abstract: A network hub device used for building a simple network configuration in an in-vehicle network system is provided. A network hub device (30) is coupled to a trunk network through which a digital control signal is transmitted via a communication port (41) and performs input/output of a signal to/from an in-vehicle device via a communication port (42 to 48). A distributing/aggregating section (51) distributes digital control signals received by the communication port (41) to a plurality of signal paths, aggregates digital control signals received via the plurality of signal paths, and transmits an aggregated signal to the communication port (41). A signal conversion section (60) is provided between one of the signal paths and a communication port (45 to 48), and one of the signal paths is coupled to the communication port (42).