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constant torque     
相关语句
  恒转矩
     Design of Constant Torque Division Drive Circuit of Stepper Motor Based on AT89C51
     基于AT89C51的步进电机恒转矩细分驱动电路的设计
短句来源
     Constant Torque Load Simulation Using Chopping Control
     用斩波控制模拟恒转矩负载
短句来源
     Study and Practice of Start-up of Constant Torque of Winding Motor
     绕线式电机恒转矩起动的研究与实践
短句来源
     Control of Double-feeding Asynchronous Motor Driving at Constant Torque
     双馈异步电机传动的恒转矩控制
短句来源
     Technology of Energy-saving Constant Torque Stepless Speed Control by Bi-motor
     双电机恒转矩节能无级调速技术
短句来源
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  恒扭矩
     The Constant Torque Characteristics of the Single Screw Extruders
     单螺杆挤出机的恒扭矩特性
短句来源
     It proves that the improved efficiency and the good control effect of 3 control modes of system(engine starting,constant speed control and constant torque control) through experiments.
     试验表明,在发动机起动、恒转速控制以及恒扭矩控制3种情况下,系统控制效果良好,响应较快较平稳,为之后的动态控制奠定了基础。
短句来源
     At last, Simulating the start-up, accelerating, constant speed and decelerating conditions of city bus, by using simulation method studying energy-saving characteristics under the conditionof constant torque, power and rotational speed controlling brake.
     最后,模拟城市公交车启动、加速、匀速和减速工况,应用计算机仿真方法研究了恒扭矩控制制动、恒功率控制制动和转速控制制动条件下的节能特性。
短句来源
     The speed-control clutch is mechanically speed con-troling device which enables a running machine to keep on working at variable torque, constant torque and constant power with a tranmission efficiency almost equal to the transmission ratio, and another new way of speed control appeared immediately after the speed-control motor and hydraulic coupling which can boast of quite a few performances such as free speed control within a control range from 100% to 30%.
     TL型调速离合器是一种机械式滑差调速装置,可使工作机在变扭矩、恒扭矩、恒功率状态下工作,传动效率近似与传动比相等,在100%~30%调速范围内实现无级调速等多种性能,是继调速电机、液力偶合器之后出现的一种新型的调速方法。
短句来源
     The loading unit realized the recycle of power as well as the perfect loading for constant torque by means of setting up pressure in advance.
     加载单元 ,不仅能实现功率回收 ,还可通过预建压的方法 ,实现理想的恒扭矩加载。
短句来源
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  恒力矩
     The result of experiments shows that the system can realize constant torque starting and constant power running easily.
     实验表明,本系统能容易地实现恒力矩起动和恒功率运行。
短句来源
     Design of a Fine Division Driver for Stepping Motor with Constant Torque
     步进电机恒力矩均匀细分驱动器的设计与实现
短句来源
     Based on the research of a new traction-brake type hydraulic torque converter, wet multi-disc mechanical brake and fuzzy logic control theory, a simulation model of blend brake and fuzzy control system of a vehicle is built, and the constant torque braking is realized by coordinating hydraulic torque converter and wet multi-disc brake.
     基于对某新型牵引-制动型液力变矩减速器和湿式多片机械制动器的研究及模糊逻辑控制理论,建立了某型车辆联合制动模糊控制的仿真模型,通过液力变矩减速器和机械制动器的协同工作,实现了车辆的恒力矩制动。
短句来源
     This study is done for the first time in domestictOrpedo business, the mathematic model of cowterrotating motor is established andsome sPecial characteristics of torpedo's drive cowterrotating DC motor under theload of constant torque or the load of cowterrotating propellers are exposited.
     这项研究在国内同行中还是首次进行,它建立了鱼雷双转推进电机的数学模型,揭示了鱼雷双转推进电机在恒力矩负载和对转螺旋桨负载下的一些特殊特性。
短句来源
     The drive characteristic was analyzed and the driver circuit was given which can implement the full-step and the half-step control. The scheme has a novel thinking in the advantage of switch control,constant torque,high power and high reliability.
     该驱动器可实现全步、半步控制驱动,具有大功率、斩波驱动、恒力矩、高可靠性等优点,可用于较大功率的机电设备中。
短句来源
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  定扭矩
     Constant Torque Wrench Which Can Record Fastening Information
     可记录紧固信息的定扭矩扳手
短句来源

 

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      constant torque
    On the equation for a damped pendulum under constant torque
          
    Control actuators are provided by two pairs of reactive jets with constant torque directions, and with possibly unequal jet characteristics.
          
    It follows from the above diagrams that axial rotation of a body in a medium with weak drag can be stabilized by applying a small constant torque about the axis of dynamical symmetry.
          
    A robust regulator for flexible-joint robots is proposed, which yields constant torque disturbance rejection acting on the links.
          
    The domains with different numbers of equilibria are specified, and the equations of boundary curves are determined in function of values of the components of constant torque.
          
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    In this paper de-qc coordinates are used toestablish the mathematical of 3-phase induction motor,and then the fundamental relatino for field oricelation contrel induction mot or with frequency adjustment is deduced. After the calculation of the speed-torque characteristices and experiment under such conditions, the speed-torque characteristic with constant-torque load and constant-power load is obtained. This result can serve as the basis for the design of induction motor with range...

    In this paper de-qc coordinates are used toestablish the mathematical of 3-phase induction motor,and then the fundamental relatino for field oricelation contrel induction mot or with frequency adjustment is deduced. After the calculation of the speed-torque characteristices and experiment under such conditions, the speed-torque characteristic with constant-torque load and constant-power load is obtained. This result can serve as the basis for the design of induction motor with range of speed regulation.

    本文采用dc、qc坐标系建立三相异步电动机的数学模型,推导了异步电动机变频调速磁场定向控制的基本关系。并对在该控制下转矩一转速特性进行了具体分析计算和实验研究,得出了磁场定向控制异步电动机恒转矩一恒功率控制机械特性。为设计宽调速异步电动机提供了基础。

    The speed-control clutch is mechanically speed con-troling device which enables a running machine to keep on working at variable torque, constant torque and constant power with a tranmission efficiency almost equal to the transmission ratio, and another new way of speed control appeared immediately after the speed-control motor and hydraulic coupling which can boast of quite a few performances such as free speed control within a control range from 100% to 30%.

    TL型调速离合器是一种机械式滑差调速装置,可使工作机在变扭矩、恒扭矩、恒功率状态下工作,传动效率近似与传动比相等,在100%~30%调速范围内实现无级调速等多种性能,是继调速电机、液力偶合器之后出现的一种新型的调速方法。

    Hydrogen induced cracking ( HIC ) of austenitic stainless steel under Mode Ⅲ loading could occur during dynamic charging of hydrogen and the threshold stress intensity was KⅢH/KⅢX = 0.62. The torsional angle, i·e·, the torsional plastic deformation, enlarged continuously during dynamic charging under a constant torque, which corresponded with increasing the external torque Continuously, until the specimen was twisted to failure. In the flat fracture surface of the delayed failure, however, there...

    Hydrogen induced cracking ( HIC ) of austenitic stainless steel under Mode Ⅲ loading could occur during dynamic charging of hydrogen and the threshold stress intensity was KⅢH/KⅢX = 0.62. The torsional angle, i·e·, the torsional plastic deformation, enlarged continuously during dynamic charging under a constant torque, which corresponded with increasing the external torque Continuously, until the specimen was twisted to failure. In the flat fracture surface of the delayed failure, however, there wera some secondary cracks propagating along the planes inclined at 45°.Stress corrosion cracking of austenitic stainless steel in a boiling MgCl2. so lution could occur under Mode Ⅲ loading and the threshold value was K Ⅲscc/K ⅢX= 0.13. The cracks, however, initiate and propagate along the planes inclined at 45° instead of the original notched plane, where there is no shear stress but the maximum normal stress.

    研究了奥氏体不锈钢Ⅲ型试样的氢致开裂和应力腐蚀。结果表明,动态充氢时Ⅲ型试样也能发生氢致滞后断裂,且裂纹沿原缺口平面形核和扩展。从而可获得宏观平滑的扭转断口,但断口上存在少量沿45°面的二次裂纹,一系列实验表明动态充氢能促进奥氏体不锈钢室温蠕变,故在恒扭矩下充氢能使扭转角不断增大,直至试样被扭断。奥氏体不锈钢Ⅲ型试样在42%沸腾MgCl_2溶液中也能发生应力腐蚀开裂,且裂纹在与缺口平面成45°的平面上形核和扩展。实验表明,无论是Ⅰ型还是Ⅲ型,应力腐蚀的门槛值均比氢致滞后断裂门槛值要低,例如K_(ⅠSCC)/K_(ⅠX)=0.18,K_(ⅠH/K_(ⅠX)=0.58,K_(ⅢSCC)/K_(ⅢX)=0.13 K_(ⅢH)/K_(ⅢX)=0.62。

     
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