可行区域

基于计算机视觉的汽车安全可行区域研究

Research on Vehicle Secure Feasible Region Based on Computer Vision

在装配可行区域的零件的位置是直接确定的。

The part position in the assembly feasible region is directily determined .

其次从理论上推导出了得到线性可行区域全部极点的方法，证明了问题I和问题II的等价性。

A method is derived to get all extremes ( BFS ) of linear constraints , and the equivalence of problem I and problem II is also proven .

应用改进的近似Voronoi边界网络构造方法得到可行区域的网络化结构模型。该方法能够以较少的网络节点反映移动机器人运行环境中可行区域的网络化结构，从而降低路径规划的计算复杂度。

The improved Approximate Voronoi Boundary Network method based on enlarging obstacles raster embodies the network structure of the environmental free area with few nodes , so the complexity of path planning problem is reduced largely .

在装配不可行区域，零件的位置不能求解。

The part position in assembly infeasible regions cannot be solved .

如何有效地均衡可行区域与不可行区域的搜索是约束优化中的关键问题。

It is a key problem to balance searching for feasible and infeasible areas efficiently .

曲柄滑块机构曲柄中心可行区域及最小传动角变化范围的研究

A study on accessible area of crank stationary turning joint centre and varying area of minimum drive angle

经多年研究，提出采用制动力矩倍数可行区域的方法，满足对制功力矩的各项要求。

The paper adopted the feasible area method of multiple of braking moment to meet all kinds of demands for the braking moment .

为了尽量减少可行区域由于障碍物建模造成的损失，提出了采用改进的栅格法进行建模，该方法较全面地考虑了障碍物的外形尺寸。

The paper proposes improved grids method in order to increase area movement of the robot , according to the shape and size of the obstacle .

路径规划则根据视觉处理获得的信息，在可行区域内规划出一条安全、高效的路径。

The basic strategy of path planning is that the ALV plans a safe and efficient path in the negotiable region based on the information from vision processing .

在预匹配过程中，由于地磁数据的离散性，搜索步长定为一个基本网格单元，并与序贯相似检测原则相结合，这样可快速排除非匹配区，筛选得到精匹配所需要的可行区域。

In pre-matching , the searching strategy defines a gridding unit as a step with SSDA method , so it can quickly eliminate non-matching area and gain feasible area for precise-matching .

爱嘲讽的人可能会说，商业利益和企业城市先驱只是在利用经济可行区域，而把那些衰败地区留给软弱无力的破产政府。

A cynic might say business interests and corporate urban pioneers are merely colonising the one economically viable district , leaving those in distressed areas to the mercy of its broke , powerless government .

这一模型可以用来仿真驾驶员在操纵汽车的过程中，根据前方道路交通的可行区域，决策汽车未来期望走行轨迹的控制行为特性，并可描述驾驶安全程度、驾驶员体能极限等诸多指标。

The model can simulate the driver ′ s control behavior of deciding the vehicle preview course in the process of driver ′ s handling the vehicle , based on the feasible region of front road .

在满足机构的杆长约束条件和使机构具有最佳传动角要求的前提下，探讨了双曲柄机构的尺寸可行区域，并分析了对传动最有利的双曲柄机构的设计方法。

In satisfaction of restrained link length and optimal transmission angle for the mechanism , this paper describes the feasible area of double crank mechanisms and analyses the design method of optimal transmission in this mechanism .

提出了支持设计过程的六种装配约束，根据装配约束的结合条件划分出装配可行区域、装配可能区域和装配不可行区域。

Six kinds of assembly constraints in support for design process are put forward in this paper . Assembly feasible , assembly possible and assembly infeasible regions are divided according to combination conditions of assembly constrains .

第一级只考虑单元局部性态和断面几何尺寸约束，并通过单元剖面形状优化将它们转换为物理变量的可行区域。

At the first level , we only consider the constraints on element local behavior and cross-sectional geometric size , and transform them to feasible regions of the physical variables by means of shape optimization of element sections .

文章推导出了企业职工养老金替代率的计算公式，对影响替代率的五个因素分别进行了灵敏性分析，给出了替代率的最佳可行区域。

The author derives the formula for calculating the substitution rate of the labor ′ s old age insurance , analyses the sensitivity of the factors which influence the rate and then indicates the rate ′ s best feasible region .

通过地形平坦性分析判断移动机器人的可行区域与障碍区域，从而为移动机器人导航过程中的环境建模与路径规划提供了支持。

An elevation map are built and used for terrain traversability assessment in order to classify the navigable area and obstacle area of environment . The perceptive system can provide the support for environment modeling and path planning in robot navigation .

工件夹具的可行夹紧区域确定方法

Determining Method of Feasible Clamping Regions for Fixtures

线性规划问题的可行解区域

Feasibility of linear programming problem

制定科学可行的区域旅游开发已势在必行，而科学的旅游开发首先要求与区域旅游业状况、潜力和优势相吻合，以确定旅游开发对区域经济的影响。

However , the scientific for plan is firstly identical with the situation . Potentiality and superiority of an area tourism and can assess the effect of the tourism exploitation on the regional economy .

为了解决分批决策问题中的大量复杂工艺约束，算法中引入一种新的约束处理机制，包括前向修复策略和基于约束适应值方法，加速了种群向问题可行解区域的收敛过程。

To deal with the mass constraints from complicated recipes , a novel constraint handling mechanism including a forward repair strategy and a constraint fitness-based method is incorporated into the proposed PSO algorithm to speed up the convergence of particles toward the feasible area .

研究结果表明基于SVM方法建立的模型简单，评价结果合理可行，可用于区域水安全预警评价。

The result shows that the presented model is practical and convenient to use . It is feasible to use the model to assessment and early-warning of regional water security .

运用现状数据库、变更数据库和Costanza模型估算区域土地利用变化导致生态服务价值变化切实可行，可为区域土地利用效益评价及土地利用规划提供借鉴。

Applying Costanza method to estimate the change of regional ecological service value was practicable , and would make a reference for the evaluation of land use benefits and the organization of land use planning .

在USDI（城市空间数据基础设施）的基础框架之上，提出了一套切实可行的数字北京区域建设的解决方案，真正意义上实现了空间信息的集成、管理、共享与互操作服务。

Based on the basic theory framework of USDI ( urban spatial data infrastructure ), the paper presents a suit of practicable solutions for the construction of Digital Beijing , which can achieve the integration , management , sharing and inter-operation of spatial information .

该算法利用三个激光扫描地面，获得地面高度信息，然后得到可行栅格和不可行栅格，进而确定可行区域和不可行区域，并通过建立导航评价函数转换为求解最优方向解的问题。

Three lasers scanning ground in order to gain the information of ground height and identify feasible grid and unfeasible grid , the algorithm determines whether it is a feasible region or not and converts the question to find a solution of optimal direction by establishing navigation evaluation function .