动态电阻变化是电阻点焊过程中的重要内容。
The variation of dynamic resistance is one of the most important factors in resistance spot welding.
动态电阻曲线频谱图中也同样可以提取出与熔核直径相关的信息。
The correlated information can be picked up in the frequency spectrum charts of dynamic resistance curves.
对动态电阻点焊自适应控制系统中存在的提前触发问题进行了实验研究。
In this paper, the problem of pre-trigger existing in dynamic spot welding self-adaptive control system is researched on the basis of experiments.
介绍了电阻焊质量监控方法之一的动态电阻法。详细分析了电阻焊机的使用与维修。
In this paper, one of the quality controls in resistance welding, the dynamic resistance method is introduced, and any problem of resistance electric welding machine in using are analyzed in detail.
本文在深入试验研究和理论分析的基础上,确立了标识最优动态品质动态电阻特性的总体模型及其特征参数。
On the basis of experiments and theory analysis, themodelling DRC and a set of feature parameters are described in this paper.
研究了分流和翘曲变形影响下的不锈钢点焊动态电阻曲线,发现了动态电阻曲线的准稳态电阻值与熔核直径之间的对应关系。
In this paper, the curves of Dynamic Resistance CurveDRCare studied under the influence of shunt and distortion. The relationship between quasi steady resistance value and nugget diameter is found.
因为移动的电荷会产生电流,变化的磁通量会产生电压,新的设备会从电流中产生电压,像电阻一样,不过是以更加复杂、动态的方式。
Because moving charges make currents, and changing magnetic fluxes breed voltages, the new device would generate a voltage from a current rather like a resistor, but in a complex, dynamic way.
本文通过对电阻点焊电极电压动态特性的分析,研究了低碳钢及低合金高强度钢电阻点焊的质量问题。
The quality of resistance spot welding of low carbon steel and high strength low alloy steel is studied by looking into the dynamic voltage characteristics of the electrodes.
本文利用微分方程单位解矩阵估计的相关方法,得到了确定含有非线性电阻的动态电路唯一稳态的条件。
Based on the estimation of the unit solution matrixes of differential equations, the unique steady state of the dynamic circuits with nonlinear resistors is studied by matrix measure.
完成了导电环动态接触电阻测量系统的总体设计,包括硬件电路设计和软件设计。
The design of measuring system of dynamic contact resistance is achieved, including: hardware design and software design.
利用电阻应变片、动态压力传感器、滑环式引电器和磁带记录仪等,录取叶片振动应变和动叶出口压力信号,然后回放磁带,做信号处理。
Using resistance strain gage, dynamic pressure sensor, slip ring and tape recorder, the blade vibration strain and exit pressure signals of rotor blades are recorded and then processed.
用动态接触电阻测量系统进行了电磁继电器失效检测试验,监测了其触点闭合过程的接触压降。
The contacts voltage of counterpart contacts in the close course of electromagnetic relay is observed and recorded in its failure tests using dynamic contact resistance measurement system.
该继电器具有保护弧光电阻及适用于带串联补偿电容线路的正、反向动态特性曲线。
The dynamic characteristic of the relay increases its tolerance to fault arcing resistance and it can be used on transmission lines with capacitance compensation.
用动态接触电阻测量系统进行了电磁继电器失效检测试验,检测了其触点闭合过程的接触压降。
The contact voltage-drop of counterpart contacts in the closing course of electromagnetism relay is observed and recorded in its failure test using dynamic contact resistance measurement system.
传统的气敏材料测试方法仅仅测试材料在与气体接触前后电阻的变化,只能反映气体吸附的结果,而不能反映吸附和解吸的动态过程。
The general measurements record only the change of materials' resistance before and after meeting gases. It reflects only the results, not the dynamic process of adsorption.
本论文创造性地应用高密度电阻率技术,开发出了采场底板破坏及底板水动态监测系统。
The thesis exploited the dynamic system of monitoring the water of bed plate and apical plate applying the technique of high density electrical resistivity.
用动态热电偶法测量齿面闪温分布,设计制造可测出全齿面闪温的三片组合带电阻式齿轮结构。
Surface temperature on gear teeth was measured by dynamic thermocouple method. A test gear construction consisting of three pieces and electric resistance was designed.
地铁用制动电阻在非线性动态热应力作用下发生弹塑性大变形。
Being forced by the nonlinear dynamic thermal stress, slices of the subway's brake resistor generated large elastic plastic deformation.
利用自驱动、自传感特性的压电陶瓷片,粘贴在外部结构的表面,结合动态阻抗的概念,提出了一种机电耦合的在线压电阻抗技术用于结构健康诊断。
Combined with impedance concept, a method for on line structure health monitoring based on self sensing piezoelectric patches, which are bonded on the surface of the structure, is presented.
本文的结果表明,含有非线性电阻的动态电路的唯一稳态。可以用矩阵范数决定。
The main results show that the unique steady state of the dynamic circuits with nonlinear resistors can be determined by the matrix norms of some matrixes.
本文设计了一套便捷、可靠的电阻点焊动态参数测试系统。
A set of convenient and reliable dynamic parameter measuring system in resistance spot welding was designed in this paper.
结果表明,含有非线性电阻的动态电路的唯一稳态,可以用一个矩阵测度决定。
The results show that the unique steady state of the dynamic circuits with nonlinear resistors can be determined by the measures of some matrixes, which are easily constructed.
此外带宽问题,我们注意到,在与声音信号的动态收缩总是和细节损失将电阻一系列成果。
Besides bandwidth problems, we have noticed that putting resistors in series with the sound signal always results in dynamic constriction and loss of details.
并反演得到电阻率成像,在分析井间油气分布和油层开采动态方面,取得了良好的地质效果。
The resistivity images derived from the data inversion shows good geological results in the analysis of hydrocarbon distribution and reservoir recovery states between Wells.
通过对弹性胶体压缩模量的测试和胶凝过程中电阻的动态监测,研究了胶体体系对电场的响应行为。
The response to electric field of the composite systems was studied by measure of compression modulus of the elastomers and dynamic-exam of resistance in the cure .
本文分别运用动态云纹-光弹性和电阻应变量测方法研究了相邻两炮孔之间爆炸应变场。
The blasting strain fields between two adjacent boreholes initiated simultaneously were investigated with the dynamic moire-photoelasticity and strain gauges.
通过对弹性胶体压缩模量的测试和胶凝过程中电阻的动态监测,研究了胶体体系对电场的响应行为。
The response to electric field of the composite systems was studied by measure of compression modulus of the elastomers and dynamic-exam of resistance in the cure process of the systems.
焊接过程动态参数图形的实时显示是三相次级整流电阻焊质量在线评估的一种有效方法。
Graphic display of DC spot welding dynamic process is an effective way for online welding quality control.
针对变压器绕组直流电阻测试特点,提出了“消磁动态测试法”,将静态测量法与动态测量法有机统一起来。
This paper brings up a method called demagnetization dynamic measurement system for measuring the direct current resistance (DCR) of the transformer due to the characteristics of the windings.
针对变压器绕组直流电阻测试特点,提出了“消磁动态测试法”,将静态测量法与动态测量法有机统一起来。
This paper brings up a method called demagnetization dynamic measurement system for measuring the direct current resistance (DCR) of the transformer due to the characteristics of the windings.
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