Intergranular corrosion for diffusion bonded joints and base materials of316L stainless steel was investigated by double loop EPR test. 采用双环电化学动电位再活化法(EPR法)研究316L奥氏体不锈钢扩散连接试样与母材的晶间腐蚀行为。
To overcome the long test time and big error in single variable open loop step test method, a novel identification method based on asymptotic theory ( ASYM) is presented. 为克服传统单变量开环阶跃测试法测试时间长和误差大的缺点,提出一种基于渐进黑箱理论的多变量辨识方法。
Research of Rapid Control Prototyping for Flight Control System and Hardware-In-The Loop Test 导弹飞控系统快速控制原型开发及半实物仿真系统方案研究
Flow characteristics experimental study within connection between steam generator channel head and pump suction has been done by air test without nozzle dams and water loop test with them respectively. 因此对蒸汽发生器下封头/主泵连接处的流动特性进行了试验研究,进行了无挡板的风洞试验和有档板的水回路试验。
Digitalization Optical Open Loop Test System for Fiber Optic Gyros 光纤陀螺数字化光学开环检测系统
Open loop test, first use signal generator simulate the wheel speed signal, after the speed signal sent to the ABS ECU, then solenoids have action. 开环测试采用信号发生器模拟轮速信号,信号传送到ABS模块,促使电磁阀动作,观察电磁阀动作;
At first, with the sim-ulator of MATLAB, the structure and parameters of the intelli-gent controller are produced, Then, the digital realization and open-loop test of the intelligent controller based on VHDL are adopted. 首先,通过MATLAB仿真,得出智能控制器的结构和参数。然后,基于VHDL进行智能控制器的数字化实现及其开环测试。
It design the system frame, write the hardware code, build the individuation drive module with S-function encapsulation, make the closed loop test system with transducer-asynchronous motor-sensor. 本文自行设计了系统框图,编写了硬件设备代码,并用S函数封装的方法生成了个性化的设备驱动模块,最后采用虚拟的控制器和实际的变频器-电机-传感器构成了闭环测试系统。
This paper discusses the design method for high speed loop test road in terms of selection of geometric alignment and parameters of elliptical high speed test road. 本文从几何线型选择及椭圆形高速环道主要参数控制几个方面论述了高速环形试验路的设计方法。
Close-Loop Test for Generator Excitation System Based on RTDS 基于RTDS的发电机励磁系统闭环试验
The scheme have two step: open loop test and closed loop test. 设计方案分为两步:开环测试和闭环测试。
Results: Toxicity tests, in vitro with CHO cells and in vivo by the rabbit ideal loop test, demonstrated that the mutant K 63 has remarkable detoxicity. 结果:CHO细胞体外试验和家兔肠结扎体内试验毒性测定的结果表明,LT突变体K63的毒性明显降低。
The engineering application shows that the device could exactly finish system simulation and device real-time closed loop test and provide an effective way for the substation automation system test. 实际应用效果表明:装置能正确完成系统仿真和各类型设备的实时闭环仿真测试,为实现变电站自动化系统的全面测试提供了一个有效的新途径。
Method of No.7 signals failure test based on office inside own loop test 基于局内自环测试的No.7信令故障测试
The viscosity curves were obtained by steady transient test to evaluate the characters of flowage and the thixotropic properties were measured by the thixotropic loop test. 采用稳态流动实验得出粘度曲线,用滞后环面积评价法考察CPC浆体的触变性。
Studies on the Loop Test and Fluid Rheology Property of Non-Newtonian Fluids 非牛顿流体环道测试及流变学特性研究
An Electronic Integral Hysteresis Loop Test Instrumentation based on Microcontroller 电子积分磁滞回线测试仪
At present domestic market demand for subscriber loop test is increasing quickly. 目前国内用户环路测试的市场需求正在迅速增加。
Design and Development of the Dynamic Loop Test System with Dual Speeds 双速流动试验装置的设计与研制
A static hysteresis loop test instrumentation is developed, detecting pulse peak by method of cross-zero of pulse peak after differential, acquiring data by microcontroller, displaying hysteresis loop by graphic LCD The test instrumentation has advantages of simple circuit, accurate measurement and visual result. 用脉冲峰值微分过零法检测峰值,单片机采集数据,图形液晶显示磁滞回线,研制静态磁滞回线测试仪,电路简洁,测量准确,结果直观。
The Design of High speed Loop Test Road 高速环形试验路的设计方法
Now, many of the institutions of higher learning laboratory synthetic loop test system are optimized all the time. The traditional synthetic loop test systems are adopted the bang-bang control method, these control systems take more room, and be maintained and adjusted are more difficult. 目前,高等院校的实验室合成回路试验系统都在不断优化当中,传统的合成回路试验系统基本都采用继电控制方式,这样的控制系统占用空间大、维护及调整困难、可靠性有待提高。
Considering one type engine control system, closed loop simulation test scheme based on CAN bus communication is designed, and its feasibility is validated by the test. 针对某型发动机控制系统,设计了基于CAN总线通讯的闭环仿真试验方案,并进行了闭环仿真试验,验证了方案的可行性和可靠性。
After hard ware in the loop simulation test, its result proved that the designed fuzzy PID control system can achieve fast and high-precision. 通过半物理仿真试验结果证明,所设计的模糊PID控制系统实现了快动态和高精度的统一。
On the actual motor control system for current loop, speed loop test, Verify the correctness of the control system hardware and software design. For system optimization and improvement of control strategy for the follow-up research work has laid a certain foundation. 在实际电机控制系统上进行无功电流环、速度环的测试,验证该控制系统软硬件设计的正确性,为系统优化及控制策略的改进等后续研究工作奠定了一定的基础。
According to actual demand, the construction of electric power steering system hardware in the loop test bench, to provide a basis for bench test. 根据实际需求,建设电动助力转向系统的硬件在环实验台架,为其台架实验提供基础。
Also closed loop simulation test scheme based on simulation test platform is studied, key technologies of this scheme are analyzed, a vista of the test is brought forward finally. 最后研究了基于半物理仿真平台的闭环仿真试验方案,分析了半物理仿真试验的技术关键,并对半物理仿真试验进行了展望。
First, combination of hardware in the loop test technology, a fault simulation system of ABS has been established through simulating the sensor failures and actuator failures to provide evaluation environment for evaluating the capability of fault diagnosis and fault handling. 一是结合硬件在回路的测试技术,建立了ABS故障模拟系统。通过模拟可能出现的传感器故障和执行机构故障,为ABS故障诊断方法和故障处理方法提供评测环境。
Closed loop simulation test scheme based on signal interface emulator is studied, and the characteristic of it is analyzed. 研究了基于接口信号模拟器的闭环仿真试验方案,分析了这一层次的仿真特点。
First of all, the basic operating principle of the synthetic loop test system and the main factors are analyzed and introduced. 首先对合成回路试验的基本工作原理以及一些重要的影响因素进行分析、说明。