1) compositive speed curves
综合速度曲线
2) Composite curve
综合曲线
3) curve generalization
曲线综合
1.
Research on adjustment models for curve generalization in GIS;
GIS中曲线综合平差模型的建立
2.
Douglas-Peucker method is a famous method for curve generalization in automated cartography.
基于Douglas Peucker(简称D P算法 )曲线综合方法存在的主要问题 ,提出并初步实现了相应的克服算法 :双侧偏移量法和顾及等值偏移值的多叉树结构化曲线综合方
5) velocity curve
速度曲线
1.
The hydraulic wander is the key equipment for hoisting mineral and personnel in mine,its sitting comfort as well as the conveyer efficiency and safety ,is the main factor to decided the velocity curve ,but often be ignored or not be considered in design.
舒适性主要取决于提升机上、下运行的速度曲线 。
2.
The excellence and defect of various velocity curves are compared through timing process.
通过电梯调速过程,比较各种速度曲线的优劣,详尽分析在不同的速度曲线下,行程和时间的逻辑关系,推导出在不同速度曲线下调速时间的计算公式,为电梯调速系统设计提供了理论依据。
3.
Based on the mathematics model of velocity curve for elevator, the computer simulation for the velocity curve has been developed, and according to the simulating data, ideal velocity curve of the system controlled by PLC could be obtained with digital methods.
根据理想电梯速度曲线的数学模型进行了曲线的计算机仿真,利用仿真数据实现了由PLC控制的理想速度曲线的给定。
6) speed curve
速度曲线
1.
An easy realizing method of speed curve of elevator;
一种简易的电梯速度曲线生成方法
2.
According to the protective speed curves, the tracking measuring function of infrared laser position transducer is applied for back-up protection of travel speed.
根据保护速度曲线用红外激光位置传感器的跟踪测量功能实现速度的后备保护。
3.
The design method of 4 floor elevator model is introduced ,it is focus on the structure of the model,the setting of main registering signal ,outer calling signal and elevator well signal, speed curve setting and operating, and design of its PLC control system, and so on, the basic function of all centralized alternative elevator has been run on the model.
介绍了四层四站电梯仿真模型的设计方法,着重讨论了模型电梯的结构,轿内主令信号、厅外呼梯信号及井道信号的设置,速度曲线的给定和实现以及PLC控制系统的设计,并在此模型上,实现了全集选电梯的功能。
补充资料:发动机速度特性曲线
发动机的速度特性曲线表示有效功率N(千瓦)、扭矩M(牛顿米)、比燃料消耗量g(克/千瓦小时)随发动机转速n而连续变化的表现。发动机的速度特性是在制动试验台架上测出的。保持发动机在一定节气门开度情况下,稳定转速,测取在这一工况下的功率、比耗油等,然后调整被测机载荷(扭距变化),使发动机转速改变,再测得另一转速下的功率、比耗油。按照一定转速间隔依次进行上述步骤。就能测出在不同转速下的数值,将这些数值点连点地组成连续曲线,就产生了功率曲线、扭矩曲线和比燃料消耗量曲线,它们与相应的转速区域对应。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条