Emphasises the effects of valve open and close speed control,valve stroke control,valve positioner control and setting of process parameter on the manufacturing process.
重点论述了阀门开关速度调整、阀门行程调整、阀门定位器调整和工艺参数设置对生产工艺的影响,同时总结了它们各自的调整方法。
Cylinder Bore and Stroke Optimization Design Using Genetic Algorithm;
遗传算法在内燃机气缸直径和行程最优化设计中的应用
This paper mainly takes piercing die of protecting blank which is used in expressway as an example, and introduces how to adjust die structure to shorten effective work stroke of press, hence there is certain practical significance.
主要通过高速公路护栏板冲孔模实例 ,着重介绍模具结构设计上缩短压力机有效工作行程的措施 ,具有实践意
The gray run length and its statistical texture features of coal flotation froth image;
煤泥浮选泡沫图像灰度行程及其统计纹理特征
A method to code character image based on information of run length is presented, which can save a mass of file spaces with binary form to access data.
提出用行程段信息表示字符图像的编码方法 ,以二进制形式存取 ,能节省大量的文件存储空间。
In this paper,we present a new approach to recognize line segments based on run length connection.
针对传统的线段检测方法使线段宽度信息丢失且造成部分图形轮廓失真的问题,提出了一种基于行程矢量快速连接原理的线段检测方法。
Study on Contact Temperature and Travel On-line Monitoring System of Circuit Breaker;
断路器触头温度、行程在线监测系统的研究
Several key signals including traveling and vibration of circuit breaker are processed based on wavelet transform which is used in embedded equipment.
结合采用DSP作为主控制器的高压断路器在线状态监测装置硬件及直接监测量的选取,介绍一种应用在断路器在线监测装置中的行程及振动信号的小波变换处理方法,该方法能有效从噪声背景中提取行程与振动信号的特征指纹,算法简单且易于在嵌入式装置中实现。
This article is mainly about travel monitoring for high voltage circuit breaker using EPLD, which may simplify the circuit and enhance the flexibility and stability of the monitoring system.
介绍了一种利用可擦除可编程逻辑器件EPLD进行信号处理 ,实现高压断路器行程—时间特性监测的方法 ,可简化电路 ,提高系统的灵活性和稳定
PLC system is now widely used in many control systems In such systems limit switches are very common detecting elements But because limit switches have so many touch points and troubles always occur,which will influenc PLC system work In this article,the author pus forward some methods to improve the reliability of the
由于行程开关这类有触点的检测元件在实际使用过程中常常发生故障 ,影响了PLC控制系统的正常运行 ,本文作者提出了利用PLC程序中的一些功能以及一些无触点的检测元件来替代行程开关的作用 ,以提高控制系统的稳定
Based on that,a method of establishing a high precise interpolation table between the initial deflection(δ0) and straightening stroke(δ∑) is put forward for the determine of the straightening stroke of a automatic precise straightener,and a MATLAB program for the straighten-ing stroke's calculati.
在此基础上,提出通过建立高精度的初始挠度(δ0)与校直行程(δ∑)对应数值插值表的方法解决自动精密校直机校直行程的确定,进而编制了常见截面工件校直行程计算MATLAB程序。
Three calculation methods of straightening stroke are generalized and analyzed.
文中明确了压力校直的含义,阐述了压力校直工艺的主要参数,分析总结了三种校直行程的计算方法。