压路机

Intelligent fault diagnosis system of vibratory road roller which consists of neural network and expert system is built in this paper by detailed analysis of structure and principle of vibratory road roller and comparison of main methods of building fault diagnosis system, this system can diagnose usual fault of vibratory road roller.

本文通过对振动压路机结构及原理的详细分析，对构建故障诊断系统主要方法的比较，建造了神经网络与专家系统相结合的振动压路机智能故障诊断系统，实现了对振动压路机常见故障的诊断。

The purpose of the research of this paper is just to achieve state monitoring, guarding against and diagnosing fault, and decreasing losses caused by road roller s faults.

本文的研究目的正是实现对压路机的状态监控，预防及诊断故障，减少由压路机故障带来的损失。

This paper designs the vibrating road roller with a special structure of dynamic balance.

本文设计了具有特殊动平衡结构的振动压实机，综合了振动压路机和冲击压路机的优势，既可以实现冲击压实的高压实度，又可以保证压实路面的平整度和均匀性。

At the same time, the approximate shock vibration is produced, which let us to have a new idea to study a new-type shock vibration road roller.

同时通过改装压路机使其产生准冲击振动，也让我们有了研制新型冲击式振动压路机的思路。

At the same time,select three issues carries on solve by the Year 2008's ACM\ICPC finals:air condition machine is description the elbow of air conditioning installation problem,limited the quantity and types of air-conditioning pipe under the conditions of the installation of air-conditioning method;Password suspects,this problem is giving a system password letter combinations possible combinations and length under the conditions,to design an algorithm to calculate the correct arrangement of the password;Steam roller,this problem giving the situation of urban streets,drive steam roller from one point to another point of the shortest path,is used by how many time.

同时，选取了2008年度ACM\ICPC总决赛的三道题目进行求解：空调机器这一题描述的是对空调管的安装问题，在限定空调管数量和型号的条件下空调管可能的安装方法；密码嫌疑这一题求解的是在给定一个系统密码的可能的字母组合和长度的条件下，设计一个算法以算出正确的密码的排列方式；蒸汽压路机这一题是在给出城市道路情况的条件下，求两点间压路机走完最短路径总共所花费多少时间的问题。

The results indicate that the pavement performance of selected mixture is very good if the tyre roller is applied to the first compaction and vibratile roller is applied to the second compaction.

测试结果表明，应用贝雷法优选设计的沥青混合料，如在初压阶段采用轮胎压路机、复压阶段采用适宜的振动压路机组合具有优良的路用性能。

In order to adapt to the complicate structure and high difficulty in failure diagnosis of compactors, kernel hardware construction and system structure of an intelligent failure diagnosis system for compactors are suggested and on the basis of that, database subsystems in intelligent failure diagnosis system are mainly studied.

为了适应压路机结构复杂，诊断难度高的状况，介绍了压路机智能故障诊断系统的核心硬件结构和体系结构，并在此基础上着重研究了智能故障诊断系统的数据库子系统。

Coordinating among these parameters is crucial but the basic element of the evaluation is still the operation weight of compactors, which represents an equivalent pressure of the vibratory drum. For the two kinds of single drum vibratory compactors, fully hydraulic drive and mechanical drive, compacting capability of the former is certainly higher than that of the later.

这些参数的相互协调至关重要，但其评价的最基本要素仍然是压路机的工作重量，并且集中体现在振动轮的&当量压力&，对于两种类型的单轮振动压路机，当然是全液压机型的压实能力远远大于机械传动机型。

Selecting seven mechanical and seven fully hydraulic drive respectively in two series 10~20t single drum vibratory compactors from the same manufacturer, calculation and evaluation on main techno-economical performance parameters of mechanically driven single drum vibratory compactors are conducted with value engineering.

选取同一制造商生产的机械传动型和全液压型两系列的10-22t各7个规格的单轮振动压路机产品，运用价值工程原理，对机械传动型单轮振动压路机进行主要技术经济性能参数的计算和评价。

The major products are concrete Jets concrete jet motor pumps YZ18A-IIIS, YZ20JA-IIIS, YZ18JB-S, YZ20JB-S, YZ18JC-S, YZ20JC-S, and other components of the drum vibration, tire-driven, self-hinged vibratory roller Series; LD110, LD120 Double-drum vibratory roller; YSZ06B, YSZ06C light Shoufu vibration roller; LJZ06B, ZL08-II ZL-10 ZL-10 ZL-12 ZL15 ZL-16 ZL-30 ZL-40 ZL-50, such as loading Machine; MLY4.0 WY-45 FT-220FC, such as hydraulic excavators and other products.

产品主要有混凝土喷射机混凝土喷射机电机水泵 YZ18A-IIIS、YZ20JA-IIIS、YZ18JB-S、YZ20JB-S，YZ18JC-S，YZ20JC-S等组成的钢轮振动、轮胎驱动、自行铰接振动压路机系列；LD110，LD120双钢轮振动压路机；YSZ06B、YSZ06C轻型手扶式振动压路机；LJZ06B，ZL08-II ZL-10 ZL-10 ZL-12 ZL15 ZL-16 ZL-30 ZL-40 ZL-50等装载机；MLY4.0 WY-45 FT-220FC等液压挖掘机等产品。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。