At first , the general theory of synthesis angular acceleration and velocity with linear accelerometers is researched and proved in this paper . on the foundation of analyzing the applied barrier in platform stabilized system of angular locomotion , a new method that changes the installation structure from alterable space into plane , is put forward to solve the problems , so that the application of this theory in moep becomes possible 本文首先对线加速度合成角速度、角加速度的一般理论进行了研究，从理论上证明这一方法的正确性，为进一步深入研究奠定了理论基础；在此基础上，本文分析了角运动合成一般方法在平台稳定系统中应用存在的困难，在此基础上提出了一种改进方法；这种方法的特点是变空间结构的安装方式为平面结构，使角运动合成理论在工程实践中应用成为可能。
Based on the theory of mechanical optimization and finite element analysis , elbow - bar mechanism of the mp1040b moulding machines made by beiren group is investigated in the dissertation . firstly , a kinematic model representing the bar mechanism is built and the nonlinear system of equations is solved through the method of gradient . meanwhile , the angular displacement , angular velocity , angular acceleration and the corresponding curves of each component in a motion period are obtained 本文以北京人民机器厂mp1040b型模切机肘杆机构为研究对象，以机械最优化理论和有限元技术为基础，首先对模切机肘杆机构建立数学模型，通过梯度法求解此非线性方程组,并得出机构在一个运动周期中各构件的角位移、角速度、加速度等运动参数及曲线。
Through the study with non - linearity friction on simulation model of the stabilized system , in theory the analysis of the angular acceleration loop ' s contribution is given . in testing platform , the measure devices of angular acceleration and velocity constitute the double loops , they are angular acceleration loop and angular velocity loop . and this experiment gives the proof that the angular acceleration loop could eliminate the errors which are taken by the motor ' s reversing 最后，本文在理论上分析角加速度环对隔离度的贡献；通过对含有非线性摩擦力矩的平台稳定系统仿真模型的研究，从理论上验证角加速度环具有克服摩擦力矩的能力；在实验转台上加入由线加速度计构成的角加速度测量装置，并与测速机构成角加速度环、角速度环双环结构，验证了角加速度环对电机换向误差的消除作用。
By introducing the double - axis silicon accelerometers adxl202 and its application in angular locomotion measure device , the design process of this device is emphasized . through experiments on the testing rotation platform , performances indicate the validity about the synthesis of this theory and improving method . at last , this paper analyzes the function of angular acceleration loop 在对双轴硅电容加速度计adxl202介绍的基础上，详细讲述了利用adxl202构成角运动测量装置的设计过程；并在测试转台上对角运动测量装置进行实验，验证了该装置对角运动测量的能力，从实验上证明角运动合成理论以及其改进方法的正确性。
It is discovered that the fluctuating increment of the instantaneous angular acceleration curve of crankshaft ( ay method ) put forward in this paper can be used to diagnose the power and compression condition of multi - cylinder engine in the state of shorter , more rigid crankshaft and lighter torsional vibration and in the rapidly diagnosed situation , and the ay method is better than the fluctuating increment of the instantaneous rotation speed curve of crankshaft ( n method ) which is used widely now 结果发现，在内燃机曲轴较短、刚性较大、扭振较小、对诊断速度要求很快的场合，用本文提出的曲轴瞬时角加速度波动增量j法能较准确地判断多缸内燃机各缸的作功状况和压缩状况，优于目前广泛使用的曲轴瞬时转速波动增量n法。
According to the current situation and developing trend of domestic and foreign diesel engine fault diagnosis , combined with the need of practical project , the diesel engine fault diagnosis based on crankshaft instantaneous angular acceleration is carried out ; principles and feasibility of this method are studied theoretically 经过了解国内外柴油机故障诊断的现状和发展趋势,结合实际项目的需要,提出了使用发动机曲轴角加速度信号来进行故障诊断。从理论上详细研究了这一柴油机故障诊断方法的原理和可行性,文中指出了这种方法的优缺点和适用范围。
The concept of acceleration delay compensation is put forward in this dissertation . by using acceleration delay compensation and tv tracker compensation technology the tracking capability of o - e theodolite tv tracking system is promoted to track fast moving targets at maximal 50 / s angular velocity and maximal 30 / s2 angular acceleration other than maximal 30 / s angular velocity and maximal 12 / s2 angular acceleration before while the maximal tracking error is still less than 3 提出了加速度滞后补偿的概念，并将其应用到提高电视跟踪稳态精度中；结合电视跟踪器补偿技术，在保证最大跟踪误差不大于3的条件下，将目前的光电经纬仪电视跟踪系统跟踪最大角速度30 / s 、和最大角加速度12 / s2能力，提高到跟踪最大角速度50 / s 、最大角加速度30 / s2 。
Optimal design with three variables is then done to the elbow - bar mechanism of the mp1040b moulding machine by utilizing the method of punishing function for constraint problems and variational scale for unconstraint problems . the optimal target function is the maxium of gradient in one work travel for the moulding plank of the elbow - bar mechanism . the result shows that the maximal gradient of moulding plank in one motion period declines by 25 . 7 after optimization , and the angular acceleration of the bottom moulding plank decreases greatly 动力学分析中，各构件的质量和转动惯量是通过pro / engineer软件，先建立各个构件几何模型而求得；然后，利用解决约束问题的罚函数法和处理无约束问题的变尺度法对mp1040b型模切机肘杆机构进行三个设计变量的优化设计，优化目标函数为肘杆机构的下模切板在一个工作行程中达到的最大倾斜程度；通过优化设计，模切机肘杆机构的下模切板在一个工作行程中的最大倾斜程度降低了25 . 7 ，其角加速度明显减小，提高了模切机动力学性能。
In high - performance aircraft the pilots are vulnerable to ci because of some of the aircrafts " characteristics , which include high sustained + gz ( hsg ) acceleration , high rate of onset and high angular acceleration etc . so it has all the while been attached much importance to the studies on the mechanism of ci and the preventing and overcoming method of ci by the researchers in aviation medicine field 目前以f - 16 、苏- 27为代表的高性能战斗机，其所具有的持续高加速度（ + gz ） 、高加速度增长率、高角加速度的特点更易导致飞行中科里奥利错觉的发生，严重危害飞行安全。因此，对科里奥利错觉的机理及预防与克服研究在航空医学中一直受到人们的重视。
Electronystagmography ( eng ) is usually used as the objective index to study ci . but it is not clear about the influence of different coriolis acceleration levels on human ci and concomitant nystagmus as well as the correlation between ci and eng parameters . as high maneuverability aircraft is concerned , angular acceleration and linear acceleration coexist in flight 对高机动性的战斗机而言，飞行中角加速度与线加速度作用往往同时存在，有研究表明，在z轴向的线加速度（ + 0 . 8gz ）作用下，科里奥利错觉更为显著。
