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    • 5. 发明申请
    • ENGINE CONTROL DEVICE
    • US20150081101A1
    • 2015-03-19
    • US14347025
    • 2011-09-28
    • Satoru Watanabe
    • Satoru Watanabe
    • F01B25/00G05B15/02
    • F01B25/00F02D41/068F02D41/2416F02D41/2422F02D41/266F02D2200/021F02D2200/0414F02D2200/501G05B15/02
    • It is a task of the invention to make it possible to calculate a control target value of one actuator or control target values of a plurality of actuators regarding engine control at a high speed through the use of a multicore processor. With a view to accomplishing this task, a plurality of lattice points that are arranged on a two-dimensional orthogonal coordinate system having axes representing a first operating condition and a second operating condition respectively are associated respectively with at least one or some of a plurality of cores that are arranged in a latticed manner on the multicore processor on one-on-one level on a same line as on the two-dimensional orthogonal coordinate system, and a calculation program for calculating an optimal control value at the associated lattice point or calculation programs for calculating optimal control values at the associated lattice points are allocated respectively to at least one or some of the plurality of the cores. In addition, each of the cores with which the lattice points are associated respectively is programmed, in a case where an operation area on the two-dimensional orthogonal coordinate system to which a current operating point belongs is an area that is defined by the lattice point associated with each of the cores itself, to transmit, to an interpolation calculation core, an optimal control value at the relevant lattice point that is calculated by each of the cores itself. The interpolation calculation core is programmed to perform an interpolation calculation of an optimal control value at the current operating point using optimal control values at all the lattice points that define the operation area on the two-dimensional orthogonal coordinate system to which the current operating point belongs. In addition, the multicore processor outputs the optimal control value at the current operating point, which is obtained from the interpolation calculation core, as a control target value of each of the actuators.
    • 6. 发明授权
    • Engine characteristic estimation method, and computer readable medium
    • 发动机特性估计方法和计算机可读介质
    • US08447492B2
    • 2013-05-21
    • US12376579
    • 2008-03-31
    • Satoru WatanabeMitsuharu Sugita
    • Satoru WatanabeMitsuharu Sugita
    • F02D41/14F02P5/15
    • G05B13/04F02D37/02F02D41/024F02D41/1401F02D41/2432F02D41/2441F02D2041/1423F02P5/15Y02T10/46
    • A method for estimating steady state values of engine operating characteristics is provided so that engine control can later be based on the estimated values. An amount of change in a specific engine characteristic (for which the steady state values are to be estimated) is set as a product of an unknown value and a dimensionless known value for predetermined times from when a specific engine control parameter is changed. A value of the specific engine characteristic at a given time is calculated as a sum of the products at the given time, with the products respectively corresponding to plural prior changes in the specific engine control parameter. Unknown values are calculated multiple times based on values of the specific engine characteristic measured in a conformance test, and the steady state values of the specific engine characteristic are estimated.
    • 提供了一种用于估计发动机工作特性的稳态值的方法,使得发动机控制随后可以基于估计值。 将特定发动机特性(其稳定状态值要被估计)的变化量设定为从特定发动机控制参数改变起的预定时间的未知值和无量纲已知值的乘积。 给定时间的特定发动机特性的值被计算为在给定时间的乘积的总和,其中产品分别对应于特定发动机控制参数中的多个先前变化。 根据在一致性测试中测量的特定发动机特性的值计算多次未知值,并估计特定发动机特性的稳态值。
    • 8. 发明授权
    • Time factor feature generation system, time factor feature generation method and time factor feature generation program
    • 时间因子特征生成系统,时间因子特征生成方法和时间因子特征生成程序
    • US08099322B2
    • 2012-01-17
    • US11873848
    • 2007-10-17
    • Satoru WatanabeYouji KohdaMasatomo YasakiYasuhide MatsumotoMasashi UyamaMitsuru OdaHiroki Ichiki
    • Satoru WatanabeYouji KohdaMasatomo YasakiYasuhide MatsumotoMasashi UyamaMitsuru OdaHiroki Ichiki
    • G06Q99/00
    • G06Q30/02G06Q10/063G06Q30/0241G06Q30/0242G06Q30/0251G06Q30/0272G06Q30/0277G06Q30/0601
    • A time factor feature generation system includes: a use status grasping portion that extracts transition data showing variations in degree of use of a site from log data; a variation data generating portion that generates, based on the transition data, variation data expressing the variations in degree of use of the site as a group Y of values showing the degree of use of the site; a time factor data recording portion in which a plurality of time factors and time factor values of each of the plurality of time factors are recorded; a time factor extracting portion that generates groups Di of time factor values, each of which corresponds to a time factor extracted from among the plurality of time factors; and a time factor feature generating portion 13 that calculates coefficients ai such that a square of an error b has a minimum value in an equation in which the groups Di and the group Y are used as an explaining variable and an explained variable, respectively, thereby to generate data showing a time factor feature of a use status of the site. By this configuration, the time factor feature generation system generates data quantitatively showing a time factor feature of a use status of a site.
    • 时间因素特征生成系统包括:使用状态抓取部,其从日志数据提取表示站点的使用程度的变化的过渡数据; 变化数据生成部,其基于所述过渡数据生成表示所述场所的使用程度的变化的变化数据,作为表示所述场所的使用程度的值的组Y; 时间因素数据记录部分,其中记录了多个时间因素中的每一个的多个时间因素和时间因子值; 时间因子提取部分,其生成时间因子值的组Di,每个时间因子值对应于从多个时间因子中提取的时间因子; 以及时间因子特征生成部13,其计算系数ai,使得误差b的平方分别在组Di和组Y被用作解释变量和解释变量的方程中具有最小值,由此 生成显示站点使用状态的时间因素特征的数据。 通过该配置,时间因子特征生成系统生成定量地显示站点的使用状态的时间因素特征的数据。