查询词典 driving

The computer separately connects and controls the I/O end and A/D converter; the I/O end connects and controls the X, Y axis driving circuit and the semiconductor laser; the X, Y axis step-by-step driving circuit connects and controls the X, Y step-by-step electrical machines to control the dimensional platform; the beam of the semiconductor laser passes through the focusing drawtube with 0.1mm diameter to form the facula with the diameter less than 0.1mm; the facula irradiates on the detector surface of the XY dimensional displacement platform to produce the corresponding electric signals; the detector surface connects the A/D converter through the amplifier; the electrical signal is amplified and is converted into the data signal by the A/D converter and is sent to the computer for processing.

由计算机分别连接并控制I/O端口和A/D转换器，I/O端口分别连接并控制X、Y轴步进电机驱动电路和半导体激光器，X、Y轴步进电机驱动电路分别连接并控制X、Y轴步进电机，从而控制二维位移平台，半导体激光器的光束经过设有直径0.1mm小孔的聚焦镜筒形成＜0.1mm直径的光斑，光斑照射于设在XY二维位移平台上的探测器表面使其产生响应的电信号，探测器表面经放大器连接A/D转换器，电信号经放大器放大后，由A/D转换器转换为数据信号送计算机处理。

The device, small in size, can be installed in the drivers' cab, which hasn't any side effect on driving. During the drive, the device captures the real-time parameter of driver' blinking frequency as well as the parameter of driving duration. Then the PERCLOS value is calculated to judge whether a driver is drowsing off or not.

该装置体积小，可安装在驾驶室内驾驶台上，完全不影响驾驶员正常的驾驶活动，行车过程中实时获取驾驶员的眨眼频率和眼睛持续闭合时间等与疲劳相关数据，计算 PERCLOS 值判断驾驶员是否打瞌睡。

What this paper finished mainly work as follows: Five-phase hybrid step motor driver system with fixed-chopping frequency and constant total current driving is fully described. Mathematical model of the system, included the current control circuit, power driving circuit and five-phase hybrid stepping motor is established. The steady modeling of the system is established and studied. Based on the steady modeling of the system, dynamic modeling of the system is studied and single step response characteristic is constructed with MATLAB/Simulink. The simulation results, which is certified by the theory analysis, coincide with the theory analysis.

本文主要完成的工作包括几个方面：对五相混合式步进电动机恒频斩波恒总流驱动系统进行了完整的描述；建立了包括电流控制电路、功率驱动电路以及五相混合式步进电动机在内的恒频斩波恒总流驱动系统的完整的数学模型；基于MATLAB/Simulink建立了恒频斩波恒总流驱动系统稳态仿真模型，并进行了仿真；在建立其稳态仿真模型的基础上，对动态模型进行研究，并借助于MATLAB/Simulink工具建立了恒频斩波恒总流驱动系统单步响应特性的仿真模型并对其单步响应特性进行了仿真研究，仿真结果与理论分析相符。

Comparing with the equation of common machine tools, this equation has three characteristics: It includes the variable frequency driver's energy loss;The variable frequency driver's no-sine voltage wave causes mechanical pulse losses in mechanical driving system;Equivalent palstance of main driving system is of uniform continuity.

该方程相对于普通机床功率平衡方程，具有变频器自身存在较大的能量损耗、变频器输出的非正弦波形电压带来的电气谐波损耗和机械传动系统的机械脉动损耗、主传动系统当量角速度具有一致连续性等三个重要特点。

This article referred to the traditional driving axle's design method to carry on the truck driving axle's design.

本文参照传统驱动桥的设计方法进行了载重汽车驱动桥的设计。

In order to solve some problems that the driving axle housings conformed to the demand of conventional design method,but it didn't accord with their professional standard in bench test.Based on the former study results,this paper has proposed a CAE design method for the driving axle housing.

为解决某些驱动桥壳虽然满足传统设计要求、但在台架试验中不符合行业标准的问题，在对驱动桥壳研究的基础上，提出了基于CAE的驱动桥壳设计方法。

The test can proves that it is credibility to take the driving axle housings bench test demand as a check standard and to optimize the driving axle housing structure parameters in design method.

通过实例验证，所提出的以桥壳台架试验要求为校核标准并包括结构参数优化的桥壳设计计算方法是可信的。

Driving system consists of gearwheel box, universal shaft couplings and an arc-gear synchronous belt with perfect driving accuracy and high mechanical efficiency.

传动系统采用齿轮箱、万向轴联轴器、圆弧齿同步带相结合，同步性高，机械损耗小。

Driving system consists of gearwheel box, universal shaft couplings and an arc-gear synchron belt with perfect driving accuracy and high mechanical efficiency .

传动系统采用齿轮箱、向轴联轴器、弧齿同步带相结合，同步性高，机械损耗小。

The project includes: stock preparation center (annual yield capacity: 100,000t stock), small-tonnage diesel forklift department (annual yield capacity: 20,000 forklifts of H and G series), electrical vehicle department (annual yield capacity: 10,000 electrical vehicles); driving bridge and gear box department (annual yield capacity: 35,000 driving bridges and gear boxes); large-tonnage forklift department (annual yield capacity: 6,000 large-tonnage forklifts) and affiliated portal department (annual yield capacity: 60,000 portals); sheet parts department (annual yield capacity: 60,000 sheet parts for forklift); drafter department (annual yield capacity: 5,000 drafters); equipment department; large-sized loading machine department (annual yield capacity: 10,000 loading machines); heavy machinery department (annual yield capacity: 200 heavy-duty forklifts).

包括：备料中心（年下料量达10万吨），小吨位内燃叉车事业部（年产 H 系列、 G 系列叉车20000台），电动车辆事业部（年产10000台电动车辆），桥箱事业部（年产35000台驱动桥和变速箱），大吨位叉车事业部（年产大吨位叉车6000台），以及为叉车配套的门架事业部（60000台门架）、薄板件事业部（60000台叉车的薄板件），牵引车事业部（5000台牵引车），装备事业部，大型装运设备事业部（年产10000台装运设备），重装事业部（年产200台重型系列叉车），同时园区内还设有技术研发中心、办公设施、生活服务设施、公用系统等。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。