转速

这个发动机转速高时噪音非常大。

The engine is very noisy at high speed .

混合动力汽车发动机转速PID控制

PID Control of Engine Speed Tuning for Hybrid Electric Vehicle

不论转速如何，发动机都可以立即加速。

The engine delivers instant acceleration whatever the revs .

两个发动机的转速都是每分钟2,500转。

Both engines were running at 2500 rpm .

用在小型便携式计算机上的最新光盘转速为每分钟3,600转。

The latest discs , used for small portable computers , spin 3600 times a minute

法律规定商用车辆、长途汽车和卡车要安装转速计。

Commercial vehicles , coaches and lorries are required by law to be fitted with tachographs .

引擎转速为6000

The engine was doing 6000 revs .

基于DSP的多路大范围变化转速测量方法

New Method of Measuring Several Large Range Variety Rev

神经元自适应PID控制的应用&以汽车发动机转速控制为例

The Application of Self-adaptive PID Control of Neuron in Automotive Engine Speed Control

高转速时，随着时间的延长，Al粉颗粒的颗粒尺寸变大，显微应变增大，有效温度系数降低。

Under high speed , both the particle size and microstrain of Al powder increase , while the effective temperature decreases .

同一进气动压，标定转速下所生成的CO，HC要多于最大转矩转速情况；

Increasing appropriately the inlet air pressure under the same rotation speed could decrease the emission quantities of CO , HC .

结果表明：木粉含量、偶联剂和双螺杆挤出机的螺杆转速都对复合材料的存储模量（E′）和损耗角正切值（tanδ）有一定影响。

The results show that the mechanical properties of composites are affected by wood flour loading , coupling agent and rotation speed of the double screws of extruder .

研究了国产SZPPS／PA－66共混增强体系的加工条件与性能之间的关系，考察了不同配比、不同螺杆转速（GF含量）以及模具温度对该共混体系性能的影响。

Studies on the relationship between processing condition and properties of PPS and PA-66 blends with GF reinforcing have been made .

提出了一种基于数值拟合的Matlab平台使用，并用于对汽车空压机转速及气阀结构参数的实验数据处理中。

In this paper , a way of Matlab ′ s utility based on data-fit is presented and it is used to the data-process of auto air-compressor ′ s rotational speed and valve configuration parameters .

对系统总体设计方案进行了研究分析，硬件设计中详细介绍了控制回路的电流检测模块、电机转速和位置检测模块、PWM输出和故障输入电路。

The overall design scheme is researched . The hardware of current detection module , motor speed and location detection module and PWM output and fault input module is introduced in detail .

利用磁电传感器对砂轮片的转速进行测量，通过PID控制实时调节砂轮片的转速，提高了切割机的控制精度，保证了制样质量。

The magnetoelectricity sensor measured the rotate speed of the wheel which controlled and adjusted by the controller of PID , so the control precision of the cutter was improved and the sample quality was guaranteed .

按给定速度图，采用PID高级单元，构成转速、电流PI调节器，实现双闭环调速控制，通过井下、井上的控制信号，实现矿井交流提升机全自动调速控制和手动检修控制。

On the basis of speed chart , the designer used PID units to achieve double closed-loop control by making up speed and current regulator . And realized automatic control for mining AC elevator .

DSP和PC间为异步通信，采用相对于SVPWM的软件转换模式和调制方法获得电机的转速和转向信息，实现门机控制。

Asynchronous communication is adopted between DSP and PC. The speed and direction information of motor is obtained with software switching pattern of SVPWM and modulating to realize the control door-motor of elevator .

然后用MATLAB软件对系统进行仿真，分析两种控制策略在不同的负载条件下的阶跃响应，得出了相应的马达转速响应曲线图。

And then the system is simulated with MATLAB software , analyzing the respond in two control strategy with different loading steps , and the curve graph after obtaining the corresponding rotational speed of motor is obtained .

以现代控制理论为研究方法，重点研究了二次调节转速系统的状态空间分析方法，对该系统进行了传统PID控制与遗传算法整定的PID控制方法的仿真研究。

Based on the theory of modern control , the design of the State-Space method was adopted in secondary regulation rotate speed system . The system was simulated with both traditional PID and the betterment PID of GA.

采用逆凝聚包覆法制备硫黄调节型粉末氯丁橡胶（PCR）并考察加料方式、搅拌转速和胶乳加入流速对产物粒径分布的影响。

A sulfur-modified powdered CR ( PCR-121 ) was prepared by reverse-coagulation cover method and the effect of the latex adding procedure and speed , and the stirring speed on the particle size distribution of product was investigated .

配机试验表明：柴油机数字调速系统的设计是合理可靠的，能够满足柴油机转速控制的要求，模糊控制器PID控制方案，在技术上是可行的。

According to the experiment , the design of the digital diesel electronic control system is reasonable and reliable , and can meet the needs of the diesel speed . The fuzzy - PID control arithmetic is theoretically feasible .

通过DEMON分析可以获得诸如舰船螺旋桨转速、螺旋桨叶片甚至舰船的车数等不变的舰船物理特征。

Many invariable physical features can be obtained with DEMON analysis such as revolution rate of propeller , the propeller vane , and the number of propellers .

针对全转速范围，提出了基于BP网络的无刷直流电机转矩角控制技术，将实验数据作为训练样本利用动态全参数自适应学习算法进行离线训练，网络收敛后用作在线控制。

Therefore , the torque angle control method based on neural network is presented , in which experimental data is applied to train BP neural network in off-line way using dynamic self-adaptive learning algorithm , and afterwards converged network to control on-line .

研制了以单片机为核心转子实验台闭环控制系统，该系统具有转速测量和PID控制、振动信号采集、过流保护、电机励磁与驱动、串行通信等多种功能。

A close-loop control system based on microcontroller for rotor testbed is developed . The system is endowed with speed signal acquisition and PID control , vibration signal acquisition , over current protection , motor excitation and drive , serial communication , etc.

HF-1型多用测速仪的研制与喷气纺纱气圈转速的测试

The Principle of HF-1 Multifunction Tachometer and Its Application in Yarn Balloon Measurement

测量了发动机的转速、扭矩、点火提前角、燃料消耗量及排气温度、CO与HC排放等参数。

The speed , torque , power , specific oil consumption , spark timing , exhaust gas temperature and CO and HC emission concentrations of this engine were measured respectively at idle , constant speed and full load running condition .

PLC控制系统可实现功能顺序控制、剪切次数计数、显示电机转速等功能；验证实验表明：铺丝头试验台能够可靠地完成纤维的剪切、压紧和重送主要功能，达到了预期要求。

PLC control program can achieves the function sequence control , cutting counting and showing the motor speed . Validation experiment shows that the fiber placement head devised can reliably complete the main function of cutting , pressing and retransmission which achieves the desired requirements .

利用大型有限元商用程序ANSYS对FDY型绕线机转子部分进行有限元建模，根据FDY型绕线机转子的工作转速范围及其基本动力特性，计算出其工作范围内所对应的振动频率。

This paper builds the model of coiler 's rotor with ANSYS , and calculates the vibration frequency of coiler 's rotor in the range of its working according to the basal dynamic character .

当转速为3000r／min时，基础中会存在高幅值的调幅运动，它远远超过了机组的允许振动幅值。

When the speed increases to 3000r / min , the amplitude modulation motion with large amplitude which is far larger than the designed amplitude will occur in the foundation .