优化

With the 120 km/h mechanical cool plate refrigerator car as an example, through the structure optimization, sensitivity analysis and parameter optimization of the car-body steel structure, the analysis and calculation methods of lightening of the car-body load-carrying structure are provided.

以120km/h机械冷板冷藏车为例，通过对其车体钢结构进行结构优化、灵敏度分析和参数优化，提供了车体承载结构轻量化的分析计算方法。

The main research content is: Using the experimental of cutting force and roughness of high speed face milling cutter and high speed end milling cutter mill aluminium alloy and cast iron, analyze the rules of the high speed milling velocity, feed rate per tooth, milling depth and milling width to high speed processing. Use multiple linear regression method, set up surface roughness and the cutting force fluctuation models. Certify the regression model notability, and provide a reliable guarantee for the accuracy of function optimization. Based on the targets of productivity, manufacturing cost, surface roughness, cutting force fluctuation optimization model, according to research of the high speed milling parameters selecting restrict of work piece, machine, tool and safety, set up high speed milling parameters multi-object optimization system.

本文以已有的高速铣削机理及高速刀具技术研究成果为基础，结合高速铣削试验，进行了基于遗传算法的高速铣削参数优化研究与系统开发，主要的研究内容为：通过高速面铣刀和高速立铣刀加工铝合金和铸铁等材料的切削力和表面粗糙度试验，进行了铣削速度、每齿进给量、铣削深度和铣削宽度对高速铣削加工过程影响的研究；采用多元线形回归的方法，建立了切削力及其振幅和表面粗糙度模型，并对模型的显著性进行验证，为高速铣削参数优化模型的建立奠定了基础。

This article, based on analysing the objective function of cutting variables optimization, assigns the minimum cost of the machining process and the minimum relative wear of, the cutting tool as the optimum objective function.

本文在分析切削用量优化目标函数的基础上，选取最低工序成本和最小刀具相对磨损作为优化的目标函数。

Then the pressure correction method is used to carry out numerical calculation. According to aforesaid, the paper has used the method in example. Through analysis of the prototype pump, it puts forward two remodification approaches and solves them.

本文结合实例，通过对原型泵CFD计算结果的分析，提出了两个优化改型方案，并对优化改型方案进行了数值计算。

Optimization of interconnect power and repeater area is an important issue in the design of nanometer CMOS ICs.

互连功耗和插入缓冲器面积的优化是纳米级集成电路优化设计的重要课题。

Based on the concept of subenergy transformation and terminal repeller in Terminal Repeller Unconstrained Subenergy Tunneling algorithm, a new global optimization algorithm, called Random Tunneling Algorithm , was proposed.

对PFAEA算法的性能分析表明，算法的时间复杂度与原子个数N呈立方增长关系，效率高于在团簇优化研究中较成功的Basin-Hopping算法，为解决大规模团簇体系或分子体系结构优化问题提供了有力工具。

Based on the proposed algorithm, this paper lays emphasis on the efficient hardware implementation of particle filters on FPGA platform, and presents the hardware architecture of the resample/sample unit and the whole system.

在算法研究的基础上，论文研究了基于FGPA的硬件电路实现方法，给出了系统的整体硬件结构及重采样/采样模块的实现方案，讨论了粒子滤波硬件实现的资源优化及时间优化问题。

Computer simulation on a non=isothermal CSTR process monitoring problem demonstrates the effectiveness and efficiency of the proposed method.3 Optimal design of the incidence matrix for Structured Residual Approach with Maximized Sensitivity is discussed in this paper, in order to overcome the shortcoming of SRAMS that ignores the speed and sensitivity of fault diagnosis while considering the isolability of fault codes in the incidence matrix design.

通过非等温连续反应釜过程的故障检测与诊断的应用实例，说明了基于具有优化结构的FS KPCA信号重构传感器故障诊断方法的快速性和有效性。3针对一种基于结构化残差PCA的传感器故障诊断方法，即：基于具有最大敏感性结构化残差的传感器故障检测与诊断方法，在设计影响矩阵时只考虑故障编码的可分离性，而没有考虑故障诊断的快速性和灵敏性的缺点，提出了故障敏感度和故障诊断灵敏度等指标，并给出了两种影响矩阵结构的优化设计算法，从而提高传感器故障诊断的快速性和准确性。

Moreover,the residual sum of squares in least-square principle is introduced into the fitness function to enhance the fitting precision of the sensor p...

实验结果表明，该方案应用于土壤信息采集系统，不仅可以达到比粒子群优化(Particle swarm optimization，简称PSO)算法和量子粒子群优化(Quantum-behaved particle swarm optimization，简称QPSO)算法更好的寻优结果，而且具有比遗传算法更理想的位置拟合精度，是一种有效可行的传感器配置方法。

A two-layer framework with particle swarms cooperative optimization and a mutation parameter is introduced by the QPSCO algorithm for larger searching scale and quicker convergence. Moreover I the residual sum of squares in least-square principle is introduced into the fitness function to enhance the fitting precision of the sensor position curve.

在QPSCO算法中，采用双层的多粒子群协同优化结构，同时引入参数变异策略，在扩大搜索范围的同时加快该算法收敛；将加权最小二乘法的误差平方和引入适应度函数中，以提高传感器位置曲线的拟合精度，从而实现传感器的优化配置。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。