Fracture mechanism, initiation and propagation of cracks, and the control method of cracks in rock like brittle material under dynamic load are described in this paper.
本文主要论述了动荷载作用下岩石等脆性材料的断裂破坏机理、裂纹形成与扩展以及裂纹的止裂与控制等内容。
Repetitive control is used to reduce voltage distortion under nonlinear loads and instantaneous feedback control is designed to quicken the dynamic response process under abrupt load variation.
系统利用重复控制抑制非线性负载下的电压畸变，利用瞬时值反馈控制加快负载突变时的动态响应过程。
The dynamic examination of the venticulus sinister with ultrasound cardiographers by means of quantitative load showed that the Taijiquan group was significantly healthier than the control group.
通过定量负荷用超声心动仪实施动态检测左心室各项指标，表明太极拳组明显由于对照组。
Simulation results verify that the proposed control strategy has strong robustness and can realize dynamic synchronization, even under the condition of asymmetrical load.
仿真结果表明该控制方案具有很强的鲁棒性，在不对称负载的条件下能实现动态同步。
Thus, the model is applicable to building energy consumption analysis, load calculation, operation management and dynamic control of air conditioning systems.
因此，模型可实际用于建筑能耗分析、空调系统负荷计算、运行管理及动态控制。
Aiming at dynamic model uncertainties and load disturbances of robot manipulators, an iterative learning control scheme using neural networks is presented.
针对机器人动力学模型的不确定性和负载扰动，提出了一种采用神经网络的机器人迭代学习控制方法。
An control system of underground belt conveyer is developed on the specific condition in mine based on dynamic load forecasting.
文章设计了基于动态负荷预测的矿用井下皮带输送机控制系统。
In order to improve its dynamic and static performance of loading, adaptive control is used to change its exciting current for achieving accurate simulation of the actual working load.
为了提高电涡流测功器加载的动、静态性能，采用自适应控制来改变电涡流测功器的励磁电流，从而可以精确模拟实际工况加载。
The method to decrease dynamic error, load coordinately and automatically, digitize in control, communicate with other computer is discussed.
讨论了减小动态误差、多通道协调加载、数字化参数设置和控制、自动加载、多机通讯等技术的实现方法。
Load control is an efficient method to ensure good protection of the main engine by ship propulsion system in dynamic working state.
负荷控制是保证船舶推进系统在动态工况下保护主机的有效手段。
And after the discrete mathematic model for stability analysis and design a set of military reinforcement machine load of embedded system with ac servo device combined with the dynamic control system.
并对离散化后的数学模型进行稳定性分析，设计了一套以军用加固机加载嵌入式系统与交流伺服装置相结合随动控制系统。
The dynamic performance of Synchronous-Self-Shifting clutch is of great importance to the control on transmission of power, rotation speed and load.
该装置的柴油机及燃气轮机功率、转速及负载转换控制、自动同步离合器的动态性能指标等是影响舰船机动性和操纵性的重要因素。
To improve further the dynamic characteristic, the non-linear PI arithmetic with the load-current forward compensating (LCFC) control is also improved.
为了进一步提高系统的动态性能，在非线性PI算法中加入了负载电流前馈补偿控制。
The variable water temperature control system that based on PID controller was studied to deal with dynamic space load and refrigerating capacity of SAAC.
通过对建筑物动态负荷与小型吸收式制冷机制冷量之间关系的研究，开发了基于PID控制器的小型吸收式制冷机变水温控制系统。
Due to the different dynamic characteristics of turbine and boiler responding to load variation, their coordination through the control system is essential.
汽轮机和锅炉响应外界负荷变化的动态特性不同，要求控制系统必须很好地协调机炉两侧的动作。
To solve the problem of minimum time-to-climb, building a dynamic model of motion in the vertical direction and taking the flight mode as the linear load control.
以飞机在垂直平面的运动方程为基础，采用线性时间负荷控制的飞行模式，提出了求解飞机最短时间爬升轨迹的格点搜寻算法。
The importance of dynamic load model for transient stability studies, generation control and regulation of automatic apparatus, is increasingly realized by electrical experts of our country.
负荷模型在电力系统分析计算、控制的研究中和安全自动装置的整定中的重要作用已经越来越被我国的电力工作者所认识。
To improve the dynamic performance of the system, a new load-current feedforward control scheme was proposed.
为了提高系统的动态性能，提出一种新型的负载电流前馈控制方案。
The paper briefs the unit's load command based coordinated control method as well as the dynamic acceleration signal with successful using experience;
文章介绍了基于机组负荷指令的协调控制方法，以及有成功使用经验的动态加速信号；
Simulation results show that the developed control method possesses better steady-state behavior and dynamic performance and strong adaptive capacity to reactive power variation of load.
结果表明，文中采用的控制方法具有较好的动态性能和稳态性能，对负载无功变化的适应能力强。
Simulation results show that the developed control method possesses better steady-state behavior and dynamic performance and strong adaptive capacity to reactive power variation of load.
结果表明，文中采用的控制方法具有较好的动态性能和稳态性能，对负载无功变化的适应能力强。
应用推荐