加速度

By controlling of the translational acceleration on the passive joint and considering the motion of the center of percussion of the link, the underactuated link has three different kinds of motion.

该系统中欠驱动杆的动力学约束是二阶非完整的，通过控制欠驱动关节的加速度，并考虑撞击中心的运动，欠驱动杆可产生三种不同形式的运动。

The dynamic constraints on the system are second-order nonholonomic constraints. It is assumed that the rigid bodies are hinged at the center of percussion. By the translational acceleration inputs at one of the rigid bodies, the system has two different kinds of rotation around the center of percussion.

该系统的动力学约束是二阶非完整的，通过给定其中一个刚体的加速度输入，并假设被动关节安装在刚体撞击中心处，系统可以产生两种不同形式的绕撞击中心的转动。

And analysis the output curve after improving, and in the same time, the difference in the corresponding angular speed, angular acceleration, angular displacement curve of the bilateral symmetry components will obviously decrease.

并分析改进后的输出曲线，在同样的时间段内左右对称传动构件相应的角位移、角速度以及角加速度之间的差异明显减小。

On the basis of the modeling and analyzing of the transmission system of the PQS-3-D elevator for car in the preamble, this article analysis the reason of the small difference of the angular speed, angular acceleration, angular displacement curve between the bilateral symmetry components. Actually, it is the result of that the torsional rigidity of the bilateral drive shafts are different, therefore has made the revision suggestion to the drive shaft parameter.

在对PQS-3-D型汽车专用升降机传动系统建模分析的基础上，分析左右对称传动构件的角速度、角加速度、角位移曲线在系统起动时间内有较小差异的主要原因，发现是由于左右传动轴的扭转刚度系数不同造成的，故对传动轴的参数做了修改建议。

In this paper, the thrust acceleration is analyzed, and then the nonlinear model of ballistic missile in the image is presented.

该文通过对导弹推力加速度的分析，提出了目标在像平面的非线性运动模型。

The algorithm of utilizing accelerometer sets to realize dead reckoning is studied. The hardware platform of AVN equipment is researched and developed based on embedded system. The embedded AVN application software is also designed and developed in this dissertation.

本文研究了利用加速度传感器进行航位推算的算法，研制了嵌入式汽车自主导航仪的硬件平台，并设计和开发了嵌入式汽车自主导航软件。

Current method of G-tolerance screening for high performance fighter pilots is centrifugetest with anti-G suit and straining maneuvering.

目前高性能战斗机飞行员的离心机选拔多采取&穿抗G服做抗G收紧动作&的综合加速度耐力鉴定方法。但在实际操作和准确评价时存在许多问题，有必要进一步探讨。

So, Variable Structure Control Theory is used in angle stabilization of roll, and Model-following Variable Structure Control Theory is used in acceleration stabilization of pitch and yaw.

因此，本文采用了变结构控制理论设计倾斜角稳定系统，采用了模型跟踪变结构控制理论设计俯仰、偏航通道的加速度稳定回路。

Numerical simulation results demonstrate that active suspension with a proper control strategy can decrease the roll angle and roll angle acceleration of the truck cab, the active suspension can improve both the ride comfort and driving safety.

大量的仿真结果显示，主动控制悬置系统明显降低了驾驶室的俯仰角加速度和俯仰角，采用主动控制悬置系统可有效地改善卡车行驶平顺性和乘坐舒适性。

On the base of the data measured on automotive mechanics parameters tester, through setting up a relationship between lateral angle of tire, body roll angle, aligning torque and lateral acceleration and using method of least square, for curve fitting on non-linear data, a relationship has been found between these data and stable steering characteristics.

本文以汽车力学参数试验台测出的数据为基础，通过建立轮胎侧偏角、车厢侧倾角、回正力矩与侧向加速度之间的关系，运用最小二乘法对测试数据进行非线性曲线拟合，找出了这些数据与汽车稳态转向特性之间的关系，并按国家标准GB/T13047-91中的有关规定对被测试车辆的稳态转向特性进行了评价

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。