在低速时采用电流滞环进行补偿,高速时采用单斩波调制方式进行补偿。
研究人员说,一种叫做磁滞的过程会引起热能损失,但这种新合金具有低磁滞特性。
这种压力开关的优势在于,它的小开关点磁滞现象轻微,可频繁开关,可精确调整。
增涂乙基纤维素保护膜,有使(A)器件湿滞回差变大,(B)器件湿滞回差变小的趋势。
压电陶瓷的一个重要缺陷是其严重的磁滞现象,制约了开环控制系统的精确性。
本文滞后被认为是由于液膜留下下拉撤退期间的接触线。
以“滞后张力”概念分析了流量存在波动时,沟流底层漩涡产生的原因及漩涡强度。
由此,可以使磁传感器包括具有优秀磁滞特性的磁致电阻元件。
根据经验公式,对计算磁滞损耗的方法和在计算温度分布中的应用进行了介绍。
本文针对滞环电流控制模式buck-boostDC-DC转换器,设计了其中的电流检测部分。
进而,也可以根据作业器具履历信息等的履历信息决定作业顺序。
电路(100)表示在整个工作电压范围具有改进迟滞行为的输入单元。
启闭特性带有滞环,开启压力低于闭合压力,负载流量变化时应予注意。
控制电路包含电压开环控制电路,半周期电流滞环控制电路。
引起这种耦合的机械因素是由于滞后、金相不稳定性、蠕变和夹以部分的滑移等效应的影响。
翻转会比没有加入迟滞效应的比较器延迟一段时间,可以有效地避免噪声影响。
抗冻蛋白(AFPs),也称热滞蛋白,具有降低溶液的冰点,抑制重结晶的能力。
内部电路保护包括滞后热关机,欠压锁定(uvlo)和交叉电流保护。
内部电路保护包括因滞后引起的过热关机、瞬态抑制二极管及交叉电流保护。
仿真实验结果表明,该自适应滑模迟滞补偿方法能够有效地补偿动态迟滞特性。
当超载的推移,膜回到中立立场,没有表现出任何滞后。
为减小压电微动机构的非线性回滞环,采用电荷反馈控制方法对压电微动机构进行控制。
所有的压力计,应当既检查其滞后,也检查其灵敏度和自然频率。
内部电流保护包括接地短路、短路负载、因滞后而引起的过热关机与交叉电流保护。
采用SEM、EDS能谱和磁滞回线研究了样品的微观形貌与性能。
研究了压电陶瓷驱动器的复杂非线性滞回动力学系统建模及其位移跟踪控制问题。
理论计算与数值模拟得到的迟滞回线基本一致,说明本文采用的理论计算模型是可行的。
内部电流保护包括因滞后引起的过热关机、接地钳位反激二极管及交叉电流保护。
设计了显微散斑采集系统并测量了压电陶瓷的位移磁滞曲线。
1·There is hysteresis between the sorption and desorption curves.
吸湿与脱湿曲线间有一定的滞后现象。
2·When the overload passes, the membrane returns to its neutral position without exhibiting any hysteresis.
当超载的推移,膜回到中立立场,没有表现出任何滞后。
3·The orientations of polyurethanes resulted in a large number of the residual orientation , the stress softing and stress hysteresis , the permanent set , the higher modulus and strength of materials .
取向的结果,导致大量的硬段残留取向、应力软化、应力滞后和高变形,以及材料的高模量和高强度。
4·Internal circuit protection includes: thermal shutdown with hysteresis, UVLO, and crossover-current protection.
内部电路保护包括:热关机滞后,UVLO,及交叉电流保护。
5·FAS system can be considered as a control system comprising a number of hysteresis elements.
将一个二元颤振主动抑制系统视为由若干个滞后环节组成的控制系统。
1·This phenomenon, known as hysteresis, means that for a given voltage there are two corresponding vibrational frequencies for the bar.
这种现象被称作迟滞,这意味着对于某个给定的电压,有两个对应的震动频率。
2·The exact shape of the hysteresis curve is very sensitive to it.
迟滞曲线的具体形状对背景噪音非常敏感。
3·The synchronous hysteresis motor consists of a polyphase-wound stator and a magnetically hard rotor .
同步迟滞电动机由一个多相缠绕的定子和一个硬磁转子所组成。
4·Piezoelectric actuator controlled by electric field shows serious hysteresis and creep phenomena, which severely degrades the positioning accuracy.
压电陶瓷致动器在电场驱动下会产生迟滞和蠕变现象,降低了定位精度。
5·The coordinate transformation method is used to realize the mapping between the input set and the output set of the hysteresis.
运用坐标变换方法和仿射映射的有关原理,对迟滞系统的输入信号进行变换映射。
1·The control scheme consists of two PI voltage controllers and one hysteresis current controller.
其控制系统由两个PI电压控制器和一个滞环电流控制器组成。
2·A novel hysteresis current control method for active power filter based on optimal voltage vector is suggested.
提出了一种新的基于最优电压矢量的有源滤波器滞环电流控制方法。
3·The main reasons to affect the operation frequency of two state hysteresis current regulator for motor control system are analyzed by theory and experiment.
从理论和试验两方面分析了影响电机传动系统中滞环两态电流调节器工作频率的主要因素。
4·Three-phase half wave controlled rectifier, hysteresis comparison mode current track control, and realization of SVPWM by S-Function are used as examples to describe the usage of the software.
并以三相半波可控整流电路、滞环比较方式的电流跟踪控制、利用S函数实现空间矢量脉宽调制为例说明了软件的使用方法。
5·By analyzing the process of the inversion, the control strategy of resonant switch and clamped switch modulation with current hysteresis control is discussed.
通过对其换流过程的分析,提出了采用谐振开关控制,箝位开关控制的电流滞环控制的调制方式的策略。
1·FEM analysis of a kind BRB applicable to space structures was conducted by using software ANSYS. The hysteresis curve of the BRB was obtained.
利用ANSYS程序对一种适用于网壳结构的屈曲约束支撑进行有限元分析,得到支撑的滞回曲线。
2·The magnetic hysteresis curve of iron foil prepared by electrodeposition in different cathodic current densities and temperature was tested.
测试了电沉积溶液温度和阴极电流密度变化时电沉积铁箔的磁滞回线。
3·Finally, we discuss and analyze the microcosmic mechanism of the characteristic of rock hysteresis briefly using P-M model.
最后对岩石滞回特性的微观机制用P - M模型作了简要讨论和分析。
4·When the frequencies of the sine waves increase, the frequency dispersion of the hysteresis loops of the rocks is strengthened. This effect is also intensified with the saturation fluids.
随着正弦波频率增加岩石的滞回圈频散效应增强,饱和液体加强了这种频散作用。
5·As we all know, the larger area hysteresis curve encircles, the better the effect of vibration attenuation is.
滞回曲线所包围的面积越大减振效果越好。
1·Compared to traditional integration Hall sensor, IMC (integrated magnetic concentrator) Hall sensor has the advantage of high sensitivity and low hysteresis, high linearity, small bulk, low price.
相对于传统的集成霍尔传感器,磁集极霍尔传感器具有高线性度、低磁滞、高灵敏度、体积小、价格低等优点。
2·A reasonable nonlinear model for transformer switch-in with load was proposed in this paper and multivalued hysteresis characteristic was adopted to be the excitation characteristic of the core.
建立了一个比较合理且精确的变压器有载合闸的非线性数学模型,铁芯的励磁特性采用了多值磁滞特性。
3·This method may possibly be used to estimate influence of high order harmonic field on hysteresis loss to optimize the design of deflection yoke ring and to develop energy saving ferrite materials.
该方法适用于估测高次谐波场对磁滞损耗的影响,降低能量损耗的偏转系统磁芯结构的优化,磁性材料的选择等。
4·It introduces the principle of voltage inverter, analyzed the reason of distortion of output voltage and current wave form, as it is loaded with hysteresis synchronous motor.
本文介绍电压逆变器的原理,分析带上磁滞同步电动机这一负载后逆变器输出电压电流波形畸变的原因。
5·The paper introduces a Fuzzy Control System of the motor's speed and torque based on Hysteresis Dynamometer.
本文介绍了基于磁滞测功机的电机转矩转速模糊控制系统。
1·The problem of robust control of a class of important systems with backlash-like hysteresis is studied in this paper.
该文研究一类重要的类反斜线回滞系统的鲁棒控制问题。
2·A key issue is indeed hysteresis: the likelihood that lengthening spells of unemployment become self-perpetuating, as skills erode or grow irrelevant.
关键问题的确是回滞,即失业期不断加长的危险有可能一直延续,因为劳动技能会消退或是被淘汰。
1·But the friction (hysteresis) makes it easier to maintain a steady throttle setting, and relieves strain from pushing against the spring continuously.
但摩擦力(滞后作用)可以保证更平稳地完成油门设定,并缓解在持续挤压弹簧过程中产生的张力。
2·This is typically achieved by hysteresis current chopping as illustrated.
这由滞后作用当前砍典型地达到依照被说明。
1·As a rule these materials do not show hysteresis.
一般说来,这些材料不显示磁滞现象。