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Contouring motion control is one of the important topics in motion control research,which has been widely applied in motion control tasks in CNC machine tool and other automation systems.

轮廓运动控制是运动控制领域研究的重要课题之一，其广泛应用于数控机床与其它自动化运动控制系统中。

PSO is a population-based optimization algorithm, which mimics the social behavior of animals in a flock. It makes use of individual and group memory to update each particle position allowing global and local search optimization. The objective function considered was the total weight of the structure subjected to stresses, displacements and forces constraints. The effects of the parameters were investigated as well and such combination of tuning parameters promote a better global search behavior avoiding premature convergence while rapidly converging to the optimal solution. Results showed the effectiveness of the proposed method by comparing with ANSYS Design Optimization Tool (zero-order method). The PSO with the tuning parameters makes it an ideal method for offshore wind turbines foundations optimization tasks.(2) A reliability analysis method for pile foundation bearing axial loads based PSOThe performance function of pile foundation's axially bearing capacity sometimes is nonlinear and complex, on the basis of geometric meaning of structural reliability index, an optimum model with PSO for structural reliability analysis under arbitrary random variables was established, The PSO algorithm is very efficient to solve global optimization problemsIts use in structural reliability field presents not only the advantage of its facility of implementation, but also the possibility to obtain the design point and the failure probability with a good accuracy. In addition, PSO is a zero order algorithm, for no derivative is necessary for its implementation.

本文的研究针对桩式海上风机基础结构的特点，在国内外有关研究成果的基础上对海上风机基础结构优化设计理论和可靠度方法一些相关问题进行了较为深入的研究，具体做了以下几个方面的工作：(1)基于粒子群优化的桩式海上风机基础确定性优化设计方法桩式海上风机基础的优化设计是一个复杂的、非线性约束的优化问题，针对传统的基于梯度信息的优化方法在处理非线性问题中易陷入局部最优解的问题，本文将一种耦合惩罚函数的PSO算法引入到海上风机基础结构概念设计中，PSO算法是从群体动物聚集觅食这一活动中受到启发而发展的，该算法利用个体和群体的信息共享不断改进自身的位置从而进行局部和全局最优搜索，本文中以桩和三脚架连接段直径及壁厚为设计变量，以基础总重量作为优化的目标函数，在给定的约束条件下建立了三脚架基础优化数学模型，另外本文还研究了PSO参数变化对结果的影响，协调的参数组合可以避免陷入早熟收敛而能够快速的获得全局的最优解，通过与ANSYS优化模块的计算结果比较验证了该方法的有效性，本方法为海上风机基础的确定性设计提供了一条有效的途径。

Dalian Airport Corporation Managing Director, shares胡志安chairman told reporters that the Dalian airport for the current marketing strategy of the major tasks is to strengthen the airport in Dalian transit flights, convergence of the Bohai economic circle and the hub of the hinterland of the role of the Northeast to attract more airlines and passengers by stopping, starting Dalian.

大连机场集团公司总经理、股份公司董事长胡志安向记者表示，对于大连机场当前市场战略的主要任务，就是要强化大连机场在航班中转、衔接环渤海经济圈和东北腹地的枢纽作用，吸引更多的航空公司及旅客经停、始发大连。

At the kernel level, a kernel must schedule and move tasks from core to core based on load and cache locality.

在内核级，内核必须被安排，而且将任务在核心之间互相转移必须基于缓存。

At the kernel level, a kernel must schedule and move tasks from core to core based on load and cache locality. Interestingly, the ability of a high level resource scheduler to reach down into the CPUs and control core placement and affinity is needed for best performance.

在内核级，CPU需要在核心与核心之间通过缓存将任务进行调度和相互转移，有趣的是，高层次资源调度器的性能已经延伸到CPU，控制核心的布局和密切关系对获得最好性能是非常必要的。

An apparatus core program, control and communication, among other tasks.

详细说明：一个仪器的核心程序，它控制通信等方面的工作。

Apparently the corpus callosum in musicians is essential for tasks such as finger coordination.

音乐家的胼胝显然是手指协调等工作。

Having surveyed the situation with regard to both the counter-revolution and the revolution, we shall find it easy to define the Party's tactical tasks.

观察了反革命和革命两方面的形势以后，我们就容易说明党的策略任务了。

General McChrystal's comments reflected President Barack Obama's new strategy for Afghanistan and Pakistan, which is based on counterinsurgency theory that says the main tasks must be protecting the people and increasing support for the government.

麦克克里斯托将军的言论反映了美国总统奥巴马的阿富汗和巴基斯坦，这是反叛乱理论的主要任务，指出必须在保护和提高人民对政府支持为基础的新战略。

See if it is possible to trade or share tasks with a coworker.

看是否有可能把你的任务和你同事的交换或分担。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！