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Based upon the engine efficiency map and battery internal resistance curve, a real-time control strategy is proposed for parallel hybrid electric vehicles using the load leveling concept and logic threshold approach to control the torque distribution, various operation modes and the dynamical transitions between the modes for the hybrid powertrain.

以发动机稳态效率图和电池的充放电内阻曲线为依据，提出了基于负荷平衡和逻辑门限方法的并联式混合动力汽车实时控制策略，用以控制混合动力系统的转矩分配，实现混合动力系统的不同工作模式以及模式间的动态切换。

And it is a full electrical control diesel engine equipped common rail fuel system. The driving motor and engine are correspond controlled via CAN bus, using the load leveling concept and logic threshold approach to control the torque distribution,various operation modes and the dynamical transitions between the modes for hybrid power train.

通过CAN总线实现了联合控制，用基于负荷平衡和逻辑门限的实时控制策略，实现了混合动力系统的转矩分配和不同工作模式以及模式间的切换。

Neutral network is a highly non-linear dynamical system. It has the ability of dealing with parallel distribution, and has high robustness and the abilities of fault tolerance, distribution memory and learning.

神经网络是一个高度非线性动力学系统，具有并行分布处理能力、高度鲁棒性和容错能力、分布存储及学习能力。

In particular, the sufficiency implies a recent result by Akashi: every compact and totally disconnected dynamical system, expansive or not, can be conjugately embedded into a PSDS.

第五章主要给出了一个动力系统可以拓扑共轭嵌入到乘积符号动力系统中的充要条件，而且证明了该条件蕴涵着Akashi在文[2]中给出的主要结论，并由该条件推出了判断一个拓扑空间完全不连通的充分条件。

By using dynamical and numerical methods, several response modes of tropical ocean to the southern Asia monsoon and the Pacific trade wind forcing are discussed.

应用动力学分析和数值计算的方法讨论了热带海洋对南亚季风和太平洋信风强迫的几种响应模态。

Finally, an essential aspect of a dynamical evolution is the transformation of some given initial state into some final or asymptotic state as time proceeds.

最后，动力学性质演化的一个必要方面是，随着时间的变化，某个给定的初始状态转变到某个最终或渐进状态。

By analyzing the dynamical behavior between travel bureau and tourists, based on the Lotka-Volterra model, a mathematical model was built.

本文通过考虑与旅行与游客之间的关系，分析了它们之间的动力学行为，并依据Lotka-volterra模型建立两者之间的动力学模型。

by analyzing the dynamical behavior between travel bureau and tourists,based on the lotka-volterra model,a mathematical model was built.

小 摘要：本文通过考虑与旅行与游客之间的关系，分析了它们之间的动力学行为，并依据lotka-volterra模型建立两者之间的动力学模型。

In many practice problems such as to know the resonnance frequency of a structure and to know the critical value for the stability of a dynamical system,often need to compute the eigenvalues of a symmetric matrix. The chief method to compute the eigenvalues of a symmetric matrix is first to transformate the matrix to a symmetric tridiagonal matrix similarly and orthogonally, then to use the QR method with shift to the symmetric tridiagonal matrix.

很多实际问题，如求结构振动的固有频率，动力系统稳定性的临界值等常常归结为计算对称矩阵的特征值，而首选的计算方法是先把该矩阵正交相似变换成一个对称三对角矩阵，再对这个对称三对角矩阵用带位移的QR方法。1968年J.H。

However, the contour fields below 500 mb suffer small change. This situation is related to the dynamical factors near the tropopause.

文中还指出，大型环流发展所引起的经圈环流和东风急流显著的变动，是造成高压减退很主要的因素。

He tendered his resignation to the Prime Minister.

他向首相递了辞呈。不适合

International economy and trade,Nanking 210044

国际经济与贸易，南京 210044