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    • 21. 发明授权
    • Server and connecting destination server switch control method
    • 服务器和连接目的服务器交换机控制方式
    • US07904562B2
    • 2011-03-08
    • US12276613
    • 2008-11-24
    • Masaaki TakaseTakeshi Sano
    • Masaaki TakaseTakeshi Sano
    • G06F15/16G06F12/00
    • H04L47/10H04L47/125H04L47/19
    • A connecting destination server switch control method for switching a server and the connecting destination of the server is provided, the method realizing a larger-scaled network system by distributing a load to each cache server, thus reducing the total load and dynamically modifying a logical network according to the load of each cache server even when there is a plurality of content servers that are content distributors. In a situation where cache servers whose management sources differ are connected in many steps, the total load caused by content acquisition can be reduced by modifying the content acquisition source server of a cache server for each piece of content.
    • 提供了一种用于切换服务器和服务器的连接目的地的连接目的地服务器切换控制方法,该方法通过向每个缓存服务器分配负载来实现较大规模的网络系统,从而减少总负载并动态修改逻辑网络 即使存在作为内容分发者的多个内容服务器,也可以根据每个缓存服务器的负载。 在管理源不同的缓存服务器以多个步骤连接的情况下,可以通过修改每个内容的缓存服务器的内容获取源服务器来减少由内容获取引起的总负载。
    • 30. 发明申请
    • CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE
    • 内燃机控制装置
    • US20120173127A1
    • 2012-07-05
    • US13390823
    • 2009-09-24
    • Takeshi Sano
    • Takeshi Sano
    • F02D41/26F02D28/00F02D41/30
    • F02D35/023F02D41/009F02D41/2425F02D2041/0092
    • An object of this invention is to promptly detect a crank angle based on in-cylinder pressures and easily compensate for a detection error by processing that has a low computational load. An ECU 50 calculates an in-cylinder pressure ratio (Pn+1/Pn) based on in-cylinder pressures Pn and Pn+1 at two crank angles separated by a predetermined angle Δθ. The ECU 50 includes map data that represents relations between volume ratio parameters (Vnκ/Vn+1κ) calculated using in-cylinder volumes Vn and Vn+1 at the crank angles, and the crank angles. Therefore, when cranking, a crank angle can be detected based on the in-cylinder pressure ratio and the map data earlier than a conventional cylinder discrimination operation. Gains included in the in-cylinder pressures Pn and Pn+1 can be removed by dividing the two pressures, and exponential operations and the like can be eliminated by using the map data to thus suppress the computational load.
    • 本发明的目的是迅速检测基于缸内压力的曲柄角,并且通过具有低计算负荷的处理容易地补偿检测误差。 ECU50基于以预定角度&Dgr;& Thetas分隔的两个曲柄角度的缸内压力Pn和Pn + 1来计算缸内压力比(Pn + 1 / Pn)。 ECU50包括表示利用曲轴角度的缸内体积Vn,Vn + 1计算出的体积比参数(Vn&kgr; / Vn + 1&kgr)与曲轴角度之间的关系的地图数据。 因此,在起动时,可以比传统的气缸识别操作更早地基于缸内压力比和地图数据来检测曲柄角。 可以通过划分两个压力来消除缸内压力Pn和Pn + 1中包括的增益,并且可以通过使用地图数据来消除指数运算等,从而抑制计算负荷。