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    • 1. 发明专利
    • Vehicle controller
    • 车辆控制器
    • JP2006051922A
    • 2006-02-23
    • JP2005021656
    • 2005-01-28
    • Hitachi Ltd株式会社日立製作所
    • YOSHIMURA KENTAROSAKURAI KOHEIKANEKAWA NOBUYASUMORITA YUICHIROTAKAHASHI YOSHIAKIKUROSAWA KENICHIMINOWA TOSHIMICHIHOSHINO MASATOSHINAKATSUKA YASUHIROSHIMAMURA KOTAROTSUNETOMI KUNIHIKOSASAKI SHOJI
    • B60R16/02B60R16/023B60W10/00B60W10/04B60W10/06B60W10/10B60W10/20B60W30/00B60W50/02
    • Y02T10/6286
    • PROBLEM TO BE SOLVED: To provide a vehicle controller securing high reliability, a real-time property and extensibility at low cost with a simple configuration of the electronic controller by backing up an error by the whole system without increasing redundancy of an individual controller more than necessary. SOLUTION: In this vehicle controller, a sensor controller 2 taking in a sensor signal showing a control input of a driver or a state quantity of a vehicle, an instruction controller 1 generating a control target value on the basis of the sensor signal, and an actuator controller 3 operating an actuator are connected by a network. The actuator controller has a control target value generation means generating a control target value on the basis of a sensor value of the sensor controller on the network received by the actuator controller when abnormality occurs in the control target value generated by the instruction controller, and controls the actuator by the control target value generated by the control target value generation means. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了提供一种以低成本实现高可靠性,实时性和可扩展性的车辆控制器,通过简单地配置电子控制器,通过整个系统备份错误,而不增加个人的冗余 控制器超过必要。 解决方案:在该车辆控制器中,传感器控制器2接收表示驾驶员的控制输入或车辆的状态量的传感器信号,指令控制器1基于传感器信号产生控制目标值 并且通过网络连接操作致动器的致动器控制器3。 执行器控制器具有控制目标值产生装置,当由指令控制器产生的控制目标值发生异常时,基于由致动器控制器接收到的网络上的传感器控制器的传感器值产生控制目标值,并且控制 该致动器由控制目标值产生装置产生的控制目标值。 版权所有(C)2006,JPO&NCIPI
    • 5. 发明专利
    • Signal transmission system
    • 信号传输系统
    • JP2006237763A
    • 2006-09-07
    • JP2005046399
    • 2005-02-23
    • Hitachi Ltd株式会社日立製作所
    • KUROSAWA KENICHI
    • H04L25/02H03K19/0175
    • PROBLEM TO BE SOLVED: To provide a means for reducing reflection noise for achieving an inexpensive bus configuration even in a high speed network.
      SOLUTION: The differential signal transmission system adopts a bus configuration where two wires BP and BM of a differential trunk cable each having a characteristic impedance Z1 are connected to a plurality of differential branch cables each having a characteristic impedance Z2, the lines BP, BM are each interconnected by a resistor R1 at both ends of the differential trunk cable, the resistance of the resistor R1 is selected to be a value close to the impedance Z1, a differential signal transmission circuit differentially transmits a signal by using a transistor with an ON-resistance R3, a voltage of input differential signals in a differential signal reception circuit satisfies a prescribed voltage Vmin or over, and a resistor R2 is inserted in the vicinity of a branch point between the differential trunk cable and the differential branch cable so as to reduce the reflection noise from the differential branch cable.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:即使在高速网络中也提供用于降低反射噪声以实现廉价的总线配置的装置。 解决方案:差分信号传输系统采用总线结构,其中具有特性阻抗Z1的差分干线电缆的两线BP和BM连接到多个具有特性阻抗Z2的差分分支电缆,线BP BM分别通过差分中继电缆的两端的电阻器R1互连,电阻器R1的电阻被选择为接近阻抗Z1的值,差动信号传输电路通过使用晶体管差分地传输信号, 导通电阻R3,差分信号接收电路中的输入差分信号的电压满足规定的电压Vmin以上,并且在差动干线电缆与差分分支电缆之间的分支点附近插入电阻R2, 以减少差分分支电缆的反射噪声。 版权所有(C)2006,JPO&NCIPI
    • 8. 发明专利
    • Real time communication device and system
    • 实时通信设备和系统
    • JP2000076163A
    • 2000-03-14
    • JP24928598
    • 1998-09-03
    • Hitachi Ltd株式会社日立製作所
    • OKURA TAKANORIYAMADA TSUTOMUKUROSAWA KENICHI
    • G06F15/177G06F13/00H04L12/413
    • H04L12/40013H04L47/50H04L47/564
    • PROBLEM TO BE SOLVED: To provide a communication system capable of increasing processing performance regardless of the processing performance of a CPU. SOLUTION: A communication node is constituted of a communication controller 8 for transmitting information to be transmitted to a transmission line 9 by a transmission instruction and storing the information received from the transmission line 9 in a storage device 2 and a data processor for computing transmission time that the local communication node performs transmission, based on the received information and the information set to the local communication node beforehand by the detection of the write of the information received by the communication controller 8, counting the computed transmission time from the point of detecting the end of the write by the communication controller 8 and informing the communication controller 8 of an instruction for transmitting the information from the local communication node.
    • 要解决的问题:提供能够提高处理性能的通信系统,而不管CPU的处理性能如何。 解决方案:通信节点由通信控制器8构成,通信控制器8用于通过发送指令发送要发送到传输线路9的信息,并将从传输线路9接收的信息存储在存储设备2中;以及数据处理器,用于计算传输时间 本地通信节点通过检测由通信控制器8接收到的信息的写入,基于接收到的信息和设置给本地通信节点的信息来执行传输,从计算出的传输时间 通过通信控制器8的写入结束,并向通信控制器8通知用于从本地通信节点发送信息的指令。
    • 9. 发明专利
    • Apparatus for connecting branch cable, and branch cables
    • 用于连接分支电缆和分支电缆的装置
    • JP2006246280A
    • 2006-09-14
    • JP2005061786
    • 2005-03-07
    • Hitachi Ltd株式会社日立製作所
    • KUROSAWA KENICHI
    • H04L25/02H02G3/38H03K19/0175
    • PROBLEM TO BE SOLVED: To provide an apparatus for connecting a branch cable capable of reducing reflection noise in a network composed of a differential trunk cable and a plurality of differential branch cables, and to provide the branch cable. SOLUTION: A resistor is built in the apparatus at the side of differential branch cables so as to take impedance matching. Components 201, 202, 20n are branch cable connecting apparatus and incorporate matching resistors 21, 22, 23, 24, 2n, 2n+1. In the network composed of the differential trunk cable and the plurality of differential branch cables, a structure having the branch cable connection apparatus, which is incorporated with a resistor for matching property impedance, and a resistance component at the side of branch cable connection for reducing the reflection noise reduction. COPYRIGHT: (C)2006,JPO&NCIPI
    • 解决的问题:提供一种用于连接能够减少由差分中继电缆和多个差分分支电缆组成的网络中的反射噪声的分支电缆的装置,并提供分支电缆。

      解决方案:在差分分支电缆一侧的设备中内置一个电阻器,以获得阻抗匹配。 部件201,202,20n是分支电缆连接装置,并且包括匹配电阻器21,22,23,24,2n,2n + 1。 在由差分干线电缆和多条差分分支电缆组成的网络中,具有分支电缆连接装置的结构,其具有用于匹配特性阻抗的电阻器,以及用于减少分支电缆连接侧的电阻部件 反射降噪。 版权所有(C)2006,JPO&NCIPI

    • 10. 发明专利
    • Motion controller
    • 运动控制器
    • JPH11272307A
    • 1999-10-08
    • JP7698098
    • 1998-03-25
    • Hitachi Ltd株式会社日立製作所
    • TSUNETOMI KUNIHIKOKAMIWAKI TADASHISAITO MASAHIKOKUROSAWA KENICHI
    • G05B15/02G06F11/26H02P5/00H02P29/00
    • PROBLEM TO BE SOLVED: To eliminate the need of a load in debugging a user program by permitting a motion controller to receive the value of a measurement value buffer by means of a second communication function via a network and to display the whole or a part of it.
      SOLUTION: A drive 1 acquiring a feedback value from the feed back device 3 of a motor 4 and controlling it holds a value from the feedback device 3 by a measurement value buffer 502 and transmits the value of the measurement value buffer 502, which is held, to a motion controller 2 by a first communication function 101 via a network 6. The motion controller 2 receives the value of the measurement value buffer 502 by a second communication function 201 via the network 6 and displays all the received values of the measurement value buffer 502 or a part of them or a monitor system 7. Thus, a load can be eliminated at the time of debugging a user program.
      COPYRIGHT: (C)1999,JPO
    • 要解决的问题:为了通过允许运动控制器经由网络通过第二通信功能接收测量值缓冲器的值来消除对用户程序进行调试的负载的需要,并且显示全部或一部分 它。 解决方案:驱动器1从电动机4的反馈装置3获取反馈值并通过测量值缓冲器502保持来自反馈装置3的值,并且传送所保持的测量值缓冲器502的值 经由网络6通过第一通信功能101到运动控制器2.运动控制器2经由网络6通过第二通信功能201接收测量值缓冲器502的值,并且显示测量值的所有接收值 缓冲器502或其一部分或监视器系统7.因此,在调试用户程序时可以消除负载。