In order to verify the performance of diesel particulate filter on city bus,by the Lug-Down mode,the exhaust smoke and the power output on city bus before and after installing diesel particulate filter is tested.
为了验证柴油车颗粒物捕集器在公交车辆上的使用性能,采用柴油车加载减速工况法,分别测试了安装柴油车颗粒物捕集器前、后车辆的烟度和功率,分析了安装不同颗粒物捕集器后车辆烟度和功率产生变化的原因。
A new method to determine mechanical efficiency of diesel engine by acceleration deceleration method under non external load is proposed.
提出了一种快速确定柴油机机械效率的方法——无外载加减速法。
For the study of the effects of the different algorithm to processing accuracy and motor start and stop or mutation,the postulate of two motion smooth processing technology—acc/dec algorithm was firstly analyzed,discrete mathematics model was established and S shape curve amelioration based on five-phases was put forward on the basis of the traditional S shap curve based on seven-phases.
为研究不同加减速算法对加工精度以及电机启停或突变的影响,首先分析了两种运动平滑处理技术—梯形和S形加减速算法的基本原理,建立了离散数学模型,并在传统七段S形曲线的基础上提出了五阶段S形曲线改进;然后,通过软件实现了两种加减速算法;最后,搭建了软、硬件实验平台。
Summarizing the diesel engine exhaust test by using the method of increasing load and gearing down;
浅谈柴油车加载减速工况法烟度测试
An experimental investigation of exhaust smoke and power output of city bus installing DPF by the Lug-Down mode test
加装颗粒物捕集器的城市公交车辆加载减速烟度和功率实验研究
The Modal Analysis of Hydraulic Loader of Speed Reducer Gear Clsoed-end Platform
齿轮减速器封闭式试验台液压加载器模态分析
In addition, the surface microstructure and the morphology have been observed by scanning electron microscopy( SEM) and X-ray diffraction.
结果表明随着磨损载荷、擦速度的增加，摩擦系数有所减小。
System Analysis and Robust Control Strategy Research on Loading System Based on Secondary Regulation for Gearbox;
基于二次调节的减速器加载系统分析与鲁棒控制研究
The Analysys of Deceleratoe Loading System Based on Secondary Ragulation and the Research of Fuzzy Control System;
基于二次调节的减速器加载系统分析与模糊控制研究
The Research of Pre-load for Main Reducer of Automobile's Driving Axle and the System Development
汽车驱动桥主减速器总成预加载荷研究及系统实现
Intelligent acceleration/deceleration control algorithm for drive force for a heavy duty hybrid machine tool
重载混联机床智能加减速控制算法对驱动力的影响
Research on Simulate Loading System of Mining Large Power Gearbox Based on Dummy Instrument
基于虚拟仪器的矿用减速器模拟加载系统的研究
The acceleration is positive if the speed is increased, negative if speed is decreased.
速度增加的加速度为正加速度，速度减少的加速度为负加速度。
an injury to the neck (the cervical vertebrae) resulting from rapid acceleration or deceleration (as in an automobile accident).
由于快速加速或减速而导致脖子扭伤。
The nozzle cascade was designed for a Curtis stage using an advanced after-loaded flow control technique to reduce secondary flow losses.
该复速级喷嘴叶栅采用先进的后加载流动控制技术 ,以减弱叶栅的二次流损失。
Research on Deniose and Damping of Overlength Truck Gear-Box;
超长载重汽车变速箱减振降噪的研究
Idle Deceleration Process Simulation and Experiment Study of the Engine
发动机空载减速过程仿真与试验研究
Orthogonal Testing Optimum Design in Loader Wheel-side Reducer
装载机轮边减速器正交试验优化设计
How to Choose the Design of Hump Retarder Speed Control System Based on Over Loading Wagons Running Condition
重载条件下驼峰减速顶调速系统设计的选择
The Research on Methods of Improving the Speed and Accuracy of under Frequency Load Shedding;
提高低频减载动作速度和减载准确性的方法研究
You change gear when you want to go faster or more slowly.
你要加速或减速时就换挡。
Gears on an automobile may be used either to decrease or increase speed.
汽车的排挡可用来加速或减速。