shuangxiangDC-DCbianhuanqi

说明：  便携式表面粗糙度仪设计与实现Portable surface roughness instrument design and implementation(Portable surface roughness instrument design and implementation)

本文说明了PID参数自整定的意义，基于继电反馈PID参数整定的原理，并将基于继电反馈PID参数整定方法在MATLAB环境中进行仿真，选择一种生产过程进行应用分析。选择51单片机，设计出计算机控制系统的主要电路结构(This paper describes the self-tuning PID parameters of the significance, based on relay feedback principle of PID parameter tuning, and based on relay feedback tuning method of PID parameters in the MATLAB simulation environment, select the application of a production process. Select 51 microcontroller, a computer control system design the main circuit structure)

Au6331 SD卡读卡器设计 Au6331 SD卡读卡器设计( SD card design)

Pipe Sizer Calculation

说明：  电力方面配电网潮流计算的经典分析文章，介绍了潮流的前推回代法，回路阻抗等方法，尤其是对各种配电网潮流分析方法的分析和比较(Electricity distribution power flow calculation of the classic analysis of the article introduces the trend of pushing back the first-generation method, loop impedance and other methods, especially for a variety of distribution power flow analysis and comparison of analytical methods)

用于多目标数据关联的联合概率数据关联算法（jpda算法）的matlab仿真 (For Multi-target Data Association Joint Probabilistic Data Association Algorithm (jpda algorithm) of matlab simulation)

THESIS FOR UPFC DAMPING CONTROLLER

本文简单地探讨了一下绿光激光器设计中的部分问题，并用MATLAB进行了关键数据的计算，用zemax软件对激光产生后的光束变换进行了仿真。(This paper briefly discusses about the design of green laser part of the problem, and use MATLAB for the calculation of critical data, generated with zemax software after the laser beam transformation is simulated.)

随着并联机构学理论的日益成熟，并联摇摆台以其大刚度、高精度和重载等优点，广泛应用于机械、航海和航天等领域。其中，以车辆模拟台的应用最为广泛。车辆在行驶过程中由于受到路况等扰动因素的影响，会产生横摇、纵倾、转艏、前冲、横移和升降共6种位姿的运动，而通过六自由摇摆台能将车辆的这些运动真实的再现出来。 本文以项目——六自由度重型摇摆台的研制为依托，在对国内外六自由度摇摆台的研究现状做了比较深入、系统分析的基础上，对车辆重型摇摆台与负载锁定结构进行了分析优化，主要的研究内容如下： 首先，对六自由度重型摇摆台进行运动学建模，分析、优化机构在六种独立姿态及部分耦合位姿情况下支撑杆的运动范围，最终确定了支撑杆合理的转角空间和上下铰链座的结构，提高了机构的运动学、动力学性能。 (With the development of theory of parallel mechanism, parallel plat quickly enters the international market for high stiffness、high precision and heavy load, which is widely used in mechanical、navigation and aviation, etc. Among these parallel plats, the vehicle simulator is the most widely used. Due to the disturbance factors of ups and downs of the different roads, vehicle has 6 degrees of freedom during its traveling movements, such as rolling、pitching、yawing、surging、swaying and heaving that can be simulated in the use of 6-DOF platform. Based on the project of heavy platform, this paper optimizes the platform and the load locking structure after the in-depth and systematic analysis of 6-DOF parallel plat at home and abroad, the main research contents are as follows: Firstly, this paper establish the kinematic modeling that is used to analyze the rotating range of the axis belonging to the supporting pole in many traveling conditions, such as one of six movements indepe)

哈尔滨工业大学硕士论文，关于惯性/天文组合导航方面的，有较好的参考价值(Harbin Institute of Technology master' s thesis on the inertial/navigation aspects of astronomy, a good reference value)