Dynamic Performance Identification and Condition Monitoring of NC Machine Tool Feeding System The steady state parameters identification of AC motor based on inverter-motor system was discussed. 数控机床进给系统动态特性辨识与状态监测方法研究论述了基于变频器-电动机系统的电动机静态参数辨识。
Objective: To improve a TLC identification condition for Glabrous Sarcandra Herb to enhance its sensitivity. 前言:目的:优化九节茶薄层鉴别色谱条件,以提高鉴别的灵敏度。
Study on the Screening, Identification, Growth Condition and Cellulase Production of a Cellulolytic Bacterium with High Performance 高效纤维素分解菌的筛选、鉴定及其生长条件和产酶活性的研究
Fuzzy Identification Method of Traffic Condition Based on Loop Detector Information 基于环形线圈检测器信息的交通状态模糊识别方法
Screening, Identification and Fermentation Condition Optimization of a Bacterial Strain That Yields Silk Degummase 一株蚕丝脱胶酶产生菌的筛选鉴定及产酶条件优化试验
Rapid Identification for Feed-axis Lubrication Condition of Large Scale Numerical Control Machine Tools This paper give an advice that we can realize closed cycle control of feeding shaft by proportional valve and linear grid ruler instead of servo emplifier and servo motor. 大型数控机床进给轴润滑状态的快速识别利用比例阀和线性光栅尺配合使用替代伺服放大器和伺服电机实现进给轴的闭环控制。
The system adopts the techniques of initialization of state mapping plane, calibration of unknown pattern and on-line identification and this makes plant condition clustering efficiently. 该系统采用状态映照平面初始化方法、未知模式标定技术和在线识别技术,并结合知识库和规则推理的运用,有效地实现设备状态的分类。
Recursive least-squares and minimum-norm algorithm for system identification without persistent excitation condition 非持续激励条件下系统辨识递推最小二乘最小范数算法
Study on Damage Identification and Condition Evaluation Techniques for Railway Bridges 铁路桥梁损伤识别与状态评估技术研究
Evaluation for soil-corrosion, interference corrosion and pipeline rout environment and identification to soil condition are preparation for coating plan, foundation of corrosion protection and extra corrosion protection design. 土壤腐蚀性评价、杂散干扰腐蚀评价及土壤条件的识别等管道沿线环境评价既是为防腐层的选用作准备,也是为阴极保护和附加保护设计提供依据。
Oil-gas abnormal identification under the condition of high total hydrocarbon background value 高全烃背景值下油气异常显示识别
Apart from that, this section also establishes SSN value model under various credit identification condition and proposes the feasible strategy for developing SSN credit mechanism. 建立了不同信誉识别条件下的网络价值模型,提出了建立创业企业社会网络信誉机制的可行性策略;
Based on the characteristics of stochastic subspace modal parameters identification method and the demands to parameter identification phase by condition evaluating work with online data acquisition system, a recursion approach creating TOEPLITZ matrix is proposed to decrease overlapped computation and shorten computation time. 根据随机子空间模态参数辨识方法的特点以及在线数据采集与状态评价过程对参数辨识的要求,利用递推算法构造TOEPLITZ矩阵,减少辨识过程中的重复运算量达到缩短运算时间的目的。
Research Advance of Identification Methods for Tongue Condition Objectification 舌象客观化识别方法的研究进展
The paper presents a foundation parameters identification method under the condition of unknown motion input from the base rock. 提出了一种基岩输入运动未知条件下的层状地基参数的时域识别方法。
Gas-bearing zones identification in complex geologic condition by multiparameter 复杂地质条件下气层的多参数识别
Foundation parameter identification under the condition of unknown motion input from the base rock 基岩输入运动未知条件下的地基参数识别
This algorithm satisfied the closed-loop identification condition, and gives high control precision to the system. All parameters involving β 0 are directly estimated on line. 算法能保证满足闭环可辨识条件,这不仅为提高控制精度奠定了基础,而且全部参数都可以直接在线估计,无须选取β0值。
Convergence of Least Squares Identification Under Attenuating Excitation Condition for Stochastic Sytems The maximum multiplied family 衰减激励条件下随机系统最小二乘的收敛性最大可乘族
The TLC identification condition are screened in our study, we also compared the chromatogram of different species of Radix Curcumae. 本文筛选了郁金中姜黄素的薄层色谱鉴别条件,并比较了不同郁金品种的醇提物和挥发油的薄层色谱。
On the numerical identification of hydrothermal condition for different types of vegetation in China 中国不同植被类型水热条件的数值辨识
Simulations show that our method achieves better performances with a lower bit-error rate and robustness without regard to the conventional channel identification condition. 仿真实验表明:不管传统的信道辨识条件是否满足,该算法都具有较低的信号误码率和较好的稳健性。
Grey box identification applied in condition monitoring and fault diagnosis for passenger cars is studied. Based on grey box identification method and passenger cars running condition monitoring and fault diagnosis system, the scheme of condition monitoring and fault diagnosis for bogie is put forward. 对灰箱模型辨识在客车行车安全监测和故障诊断中的应用进行了研究,基于灰箱辨识和客车行车安全监测诊断系统提出了转向架的状态监测和故障诊断方案。
Random delay anti-collision algorithm was discussed for digital processing central module in RFID ( radio frequency identification) system, and condition of system stability was given based on mathematic analysis. 阐述了射频识别系统中数字处理核心模块基于随机延迟的防碰撞算法,在数学分析的基础上给出了系统的稳定条件。
All kinds of ship targets have their own noise characteristics, which can be used for targets identification, classification, condition monitoring and so on. 各种舰船目标都具有其自身特有的噪声特性,可用于舰船的目标识别、分类、状态监测等等应用领域。
This method can solve the problems of modal parameter identification under free traffic condition to some extent. 它在一定程度上解决了自由交通荷载下的桥梁模态参数识别问题。
At this stage, the bridge health monitoring, damage identification and condition assessment to ensure that the structure of the safe operation within the design life has become a concern. 在现阶段,桥梁健康检测、桥梁损伤识别和状态评估来确保结构设计寿命内的安全运营已成为关注的课题。
The blind separation model of gas sensor array steady-state response is built and the blind identification condition of gas mixture analysis is demonstrated. 建立了气体传感器阵列稳态响应的盲分离模型,论证了混合气体分析的盲可辨识条件。
Based on the two pattern, structure characteristics were found with the external load, provided basis for bridge structure damage identification and condition assessment. 依据两种模式的分析,找到了外界荷载对结构特性改变的影响规律,为桥梁结构的损伤识别和状态评估提供了依据。