介绍压力容器上实体元素的测量,测量坐标系的建立与转换,以设计基准评定制造精度。
Introducing method of measuring the points on the pressure vessel, establishing and transforming coordinate systems, estimating accuracy of manufacture with design standard.
该文以同步旋转坐标系模型为基础,设计了三相电压型PWM整流器的级联式非线性PI控制器。
This paper proposes a cascaded nonlinear PI controller for three-phase voltage source PWM rectifier, which is based on its model in synchronous reference frame.
本文首先介绍了SINS的导航原理,推导了SINS在地理坐标系下的导航算法,并进行了相应的程序设计和仿真。
This paper introduces the navigation principle of the SINS firstly, the navigation algorithm on geographical coordinates is deduced, and then the simulation program is developed.
文中提出了悬树和扩展轮廓的概念,通过对扩展轮廓的分析和定义,使用动态坐标系和动态包围盒技术,设计了一个扩展轮廓的求取算法。
Basic concepts and definition of suspended tree and extended contour are given, an algorithm to extract it is presented using techniques of dynamic local coordinate system and adaptive bounding box.
对面齿轮的磨削加工机床进行了研究,从建立加工坐标系入手分析了磨削机床设计原理,并在此基础上初步建立了磨削机床的几何模型。
Grinding machine of Face-gear was studied. Based on the manufacture coordinates, the theory of grinding machine design was analysed and the model of grinding machine was set up.
介绍了捕获手抓的设计方案、工作原理,建立捕获装置单指的坐标系,对捕获装置进行了运动学分析。
This study mainly illustrates the design scheme and working principles of the capturing device, establishment of the coordinate system of one finger, and kinematics analysis of this device.
基于微机原理中汇编语言程序执行的实时性特点,设计了在微机显示器屏幕上画直角坐标系下的动态变化图。
Basing on the well-timed characteristics that the assemble language has when executing. A dynamic diversification chart in rectangular coordinate is designed for display screen.
在常用坐标系下,推导了空间运动的数学模型,设计了方案飞行弹道。
Under the usual coordinates, the paper conclude mathematical model in space motion and design project ballistic trajectory.
根据道路设计信息,推导出线路坐标系下任意中桩点的坐标计算公式和横断面方位角,由计算得到的横断面方向指导野外GPS断面测量。
Based on road design information, we derived coordinates of arbitrary points in the pile and cross-sectional azimuth which may guide global positioning system (GPS) surveying in section surveys.
提出了运用向量法建立空间局部坐标系与整体坐标系的转换关系,从而使趾板坐标计算简捷方便,且易于设计修改。
It is suggested that transformation relation between spatial local coordinate system and integral coordinate system be established by vector method, which simplifies coordinate calculation of to.
建立了基于FESS的DVR变换的数学模型,设计了同步旋转坐标系下的双矢量控制器。
The state space model of the DVR with the FESS is established, the double vector control algorithm in dq synchronous reference frame is designed.
在同步旋转坐标系下,包含LC低通滤波器的VSC-HVDC系统表现出强耦合、非线性特性,不利于控制器设计。
The strong coupling and nonlinearity of VSC-HVDC system with the LC filter in the synchronous rotating frame brings difficulty to the design of its controller.
介绍了一种基于同步旋转坐标系的以dsp为核心的数模混合型谐波检测设计方案。
This paper presents an improved high accuracy harmonic detection system based on DSP for active power filter.
介绍了一种基于同步旋转坐标系的以dsp为核心的数模混合型谐波检测设计方案。
This paper presents an improved high accuracy harmonic detection system based on DSP for active power filter.
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