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four-axis
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  四轴
     Design of Four-axis Servo Controller Based on DSP and FPGA
     基于DSP和FPGA的四轴伺服控制器的硬件设计
短句来源
     The Design of Four-axis Position Control System Based on Industrial Controller PC and Windows 98
     基于工控PC和Windows98的四轴位置控制系统的设计
短句来源
     Hardware Design of DSP-Based Four-Axis Motion Controller
     基于DSP的四轴运动控制卡硬件设计
短句来源
     The study of four-axis wire-cutting bipIane-interpolation controlling machining
     四轴联动线切割双平面插补控制的研究
短句来源
     Has introduced the four-axis servo controller based on DSP and FPGA. The servo controller regards TI Company DSP chip TMS320LF2407A as the main chip,has adopted standard ISA bus structure,has high -integration and high-agility,has accomplished in real-time complex boolean calculation and control algo- rithms during motion control,and can be used to realize high-speed and high-accuracy servo control for mul- tiple axis.
     介绍了一种基于DSP和FPGA的四轴电动机伺服控制器,该控制器以TI公司DSP芯片TMS320LF2407A作为主控芯片,采用标准的ISA总线结构,具有较高的集成度和灵活性,可实时地完成运动控制过程中复杂的逻辑处理和控制算法,能实现多轴高速高精度的伺服控制。
短句来源
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  四坐标
     NC System for Four-Axis Automatic Welding Machine
     四坐标自动焊接机床的数控系统
短句来源
     A DESIGN OF A ROTATING PROBE FOUR-AXIS TRAVERSE MECHANISM
     一种高性能旋转四坐标全电动探针位移机构的设计
短句来源
     An Efficient Method for Four-Axis Spiral NC Programming of Blade Parts
     叶片类零件四坐标高效螺旋数控编程方法研究
短句来源
     A system for integrating design and manufacture of centrifugal compressor by CAD/CAM is established which includes blade design,machining coordinates transformation,blade profilling in arbitrary section,checking coordinate calculation. Especially,a set of design and calculation methods is provided for manufacturing turbomachines by four-axis numerically controlled machining center.
     本文介绍了能完成离心压气机气动设计、数控加工制造的计算机辅助设计和制造一体化系统 ,特别是建立了一套适用于四坐标数控加工的设计和加工计算方法。
短句来源
  4轴
     Four - axis Machining of Solved Complex Parts Production
     解决复杂零件生产的4轴加工
短句来源
     A control card is designed and developed according to the four-freedom characteristics of SCARA for the four-axis movements,and software is written using VC++6.0.The structure,operating principle and functions of the robot are discussed together with the prospect application of SCARA.
     针对SCARA自由度的特点研制和开发了4轴运动控制卡,并以VC++6.0为工具编写了控制系统软件。 介绍了控制系统的构成、工作原理及功能。
短句来源
     incline movement in the axis section; four-axis interlock movement perpendicular to the cutting locus. Expressions of parameters for numerical-controlled cutting are given, such as lines of intersection, dihedral, cutting angle.
     针对4轴联动火焰数控切管机,分析了管端相贯焊接坡口数控切割运动,将切割运动分解为割炬绕被切管的回转、沿管轴线的平移及在轴剖面内的倾斜、垂直于切割轨迹的4轴联动,给出了数控切割所需相贯线、两面角、实际切割角等参数的参量表达式。
短句来源
     This system,which can well solve difficult problems in technique such as higher precision for machine motion control and excessive axes after repeating debugging,meets the needs of four-axis control in LSWEDM.
     该运动控制系统实现了低速走丝电火花线切割加工中4轴联动控制的需求,并经反复调试,很好地解决了该系统运动控制精度要求高、控制轴数多等技术难点。
短句来源
  “four-axis”译为未确定词的双语例句
     FOUR-AXIS WIRE-EDM SIMULATION OF COMPLICATED MODELS
     复杂模型四轴线电火花线切割实体仿真(英文)
短句来源
     The experiments results shows, on one hand, the theory that four-axis gyro-stabilized sighting system can get high accuracy of line-of-sight stabilization in the badly equipping environment is correct, on the other hand, the design thought adopted in the article is executable in engineering applications.
     仿真试验结果表明:一方面,四环架平台整体稳定方式在恶劣安装环境中可以使瞄准线获得高的稳定精度,另一方面,课题中所采取的稳定回路设计思想是正确可行的。
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  four-axis
Orientational dependence of microeddy losses due to rotation processes in four-axis ferromagnets
      
These techniques have been implemented on a four-axis blade inspection machine where no accurate fixture is required.
      
This paper describes the method to generate the unit shape layer (USL), the cutting path data of the four-axis hotwire cutter for the VLM-ST process.
      
The method for calculating the rotation angles (θx, θy) of the four-axis hotwire cutter to VLM-st was applied and verified for a variety of free surface bodies.
      
Calculation and verification of rotation angle of a four-axis hotwire cutter for transfer-type variable lamination manufacturing
      
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The experimental and primary theoretical research on the formation of rail corrugations, based on the friction self-excited vibration of wheelsets has been Carried out on fhe four axis freight vehicle. Above mentioned hypothesis has been proved by Comparing experinental. theoretical and investigation data on sites. This paper has analyzed the effect of increased wheel/rail vertical dynamic force occuring with iuitiation of rail corrugation on the development of Corrugation, In this paper the effect of lozenging...

The experimental and primary theoretical research on the formation of rail corrugations, based on the friction self-excited vibration of wheelsets has been Carried out on fhe four axis freight vehicle. Above mentioned hypothesis has been proved by Comparing experinental. theoretical and investigation data on sites. This paper has analyzed the effect of increased wheel/rail vertical dynamic force occuring with iuitiation of rail corrugation on the development of Corrugation, In this paper the effect of lozenging deformation of the three piece truck on the formation of rail corrugations has been investigated. Avoiding the friction self-excited vibration of wheelsets, Parti cularly relaxation vibration of wheelsets is the basic means for avoiding the rail corrugation. Corresponding conclusions and suggestions has been submitted. Finally turther researck work has been pointed out.

本文根据轮对摩擦自激振动是钢轨波状磨损形成的基本机理的观点,结合四轴货车进行了实验研究和初步理论分析。实验数据、理论分析和现场调查结果的比较证明,上述观点是成立的。文章还探讨了由于波状不平顺引起急剧增加的轮轨垂向作用力对波状磨损发展的影响,以及三大件转向架菱形变形对波磨形成的影响。减轻或避免波状磨损的最根本措施是减轻或避免轮对的摩擦自激振动,特别是张弛振动。文章提出了相应的结论和建议,以及需要进一步研究的问题。

In constrast to symmetric rotor of Dry-tuned GYRO (DTG), the rotor of Dry-tuned accelerometer/GYRO (D'TAG) has different transverse moments of inertia and a proper rotor pendulosity. DTG can be improved to DATG. This instrument provides measurements of angular rate about two axes and linear accelerations along two axes. The study of DTAG is a significant effect on the development of Inertia Navegation System.This paper presents the dynamical equations of DTAG. Under the condition of multi-frequency vibration,...

In constrast to symmetric rotor of Dry-tuned GYRO (DTG), the rotor of Dry-tuned accelerometer/GYRO (D'TAG) has different transverse moments of inertia and a proper rotor pendulosity. DTG can be improved to DATG. This instrument provides measurements of angular rate about two axes and linear accelerations along two axes. The study of DTAG is a significant effect on the development of Inertia Navegation System.This paper presents the dynamical equations of DTAG. Under the condition of multi-frequency vibration, the stationary solution is computed according to the analyses of the dynamics. The feasibility of dry-tuned sensor technology for mechanizing an inertia grade four-axes multi-function senson is demonstrated.This paper also presents the condition of eliminating error torques resulting from angular vibration inputs of double spin frequency of the driving shaft. This condition is obtained by way of simple construction of single gimbal GYRO.

在干式调谐挠性陀螺仪DTG的基础上,使转子具有适当的不等转动惯量及转子的轴向摆性,可将DTG改进成一种多功能惯性敏感仪DTAG.它可以敏感正交轴向的角速度和线加速度.本文建立了DTAG的力学模型,导出了方程的稳态解.从力学分析的角度证明了DTAG实现多功能的可行性. 另外,若仅就DTG而言解决了用单环结构消除2N角振动引起常值漂移的问题.

The improvement of the four-axis telescope is introduced in this paper. In order to meet the requiremnet of tracking Halley's Comet the transmission systems of the first and the third axes are modified. The ratio of transmission is determined. The intensity'of the worm gear and the power of the motor are also calculated.

本文介绍如何把原来人卫观测用的小四轴望远镜,改其一、三轴传动系统,以满足对哈雷彗星的跟踪需要。并确定其传动比、核算小蜗轮付的强度以及电机的功率。

 
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