磁通

In order to eliminate direct current drift and saturation problems of pure integrator for back electromotive force,an improved programmable low-pass filter rotor flux estimator was proposed to replace the pure integrator.

为了有效抑制反电动势积分环节所存在的直流偏移和积分饱和问题，采用一个截止频率可根据输出频率进行自调整的低通滤波器来代替传统电压模型磁链观测器中的反电动势积分环节。

It was made up of a high-pass filter and a coordinate transformation.

该文研究了一种新的电机磁链辨识算法，它是由1个高通滤波器和1个坐标变换环节构成。

A novel arithmetic of motor flux estimation was proposed in this paper. It was made up of a high-pass filter and a coordinate transformation.

该文研究了一种新的电机磁链辨识算法，它是由1个高通滤波器和1个坐标变换环节构成。

Shenzhen Horizon Electronics Co.,Ltd.is the authorized distributer of Murata which is among the top 500 companies in the world. The products of Murata such as MLCC, EMI noise suppression products, EMI filters, Resonators, Saw filters, Antenna switch is widely used in mobile phones, mp3,digital camera, computers and other kinds of electronic products.

深圳市鸿容通电子有限公司是村田电子元器件授权经销商，村田电子制造所是世界五百强企业之一，世界被动元器件的领导者，其生产的多层片状陶瓷电容，电感，磁珠，陶瓷震荡子，陶瓷滤波器，声表滤波器，天线开关，压腔震荡子等产品广泛的应用于手机， mp3，数码相机，电脑等世界上各类电子产品中。

In addition, equivalent series reactance of excitation transformer worsens the condition of the thyristor operation, and it can bring transient over-voltage at the moment of switching thyristor. The transient over-voltage will endanger the field winding.

励磁变压器的串联电抗恶化了晶闸管的换相工作条件，并在晶闸管元件导通与关断瞬间引起危及到转子励磁绕组安全运行的过电压。

We have many series of advanced medical instruments, such as HA-100 prostata cavity infield effect melts systematically, prostata electrolysis cures instrument, Magnetism shakes the system focusing treating, SW nature dysfunction recovery instrument, USA CRS capacitance cures system, the helix hydrotherapeutics melts systematically, third generation visible involvement leads melts the system, solid state source system, micro pulse technology instrument, Germany "wolf" peritoneoscope, USA GE colour B-ultrasonography, TCT, USA COOK godet, CFZ, LEEP, Living oxygen cures system, infrared mammary glands diagnosis, CR, etc.And we also have many series of advanced medical equipment of plastic surgery, such as Israel to fly Dayton Ⅱ skin beauty workstations, SHR freezing point unhairing system, ASTER lifting ice radio system, ASD visual beauty cream treatment device, Photorejuvenation instrument, bio-power whitening kit, the liposuction wave shaped device, Eliminate scar device, a new type of semiconductor laser system, etc.

目前，医院拥有HA-100前列腺腔内场效消融系统、前列腺电解治疗仪、磁振聚焦治疗系统、SW性功能康复治疗仪、美国CRS电容场治疗系统、螺旋水疗治疗系统、固态源治疗系统、显微通脉技术仪、德国"狼"牌宫腔镜、腹腔镜、美国GE彩超、TCT早期宫颈癌筛选系统、美国COOK导丝、"海扶"聚焦超声系统、美国LEEP、德国生物氧治疗系统、乳腺远红外检测仪、芬兰乳腺钼靶、可视人流系统、中药全身汽疗治疗舱、日本数码阴道镜、心电监护仪、全套生化检测设备、全电脑肛肠治疗系统、美国DNR失眠监测仪、儿童注意力缺陷诊断仪、全电脑荧光微量元素分析仪、JAC-CPT 感觉综合训练仪等一大批国内外最先进的诊疗设备，以及以色列飞顿Ⅱ号美肤工作站、SHR超级冰点脱毛系统、ASTER冰电波除皱系统、ASD可视祛斑治疗仪、光子嫩肤仪、生物电美白仪、聚能震波吸脂仪、意大利微晶祛疤仪、新型半导体激光美容系统、整形美容术前设计系统等一整套韩国先进齐全的医学整形美容设备。

The flux hysteresis controller was ignored in the constant torque region and an improved method was proposed to make the estimation of torque easier.The proper stator voltage space vector was selected based on the output of the torque hysteresis controller and the sector which the current rotor flux locates in.

摘 要：针对无刷直流电机直接转矩控制中磁链观测困难、控制复杂等问题，提出了一种应用于无刷直流电机二二导通方式下的新型直接转矩控制方法：在电机基频以下调速时，略去了常规的磁链观测控制环节，改进了转矩计算方法，通过转矩滞环控制选择所施加的空间电压矢量。

A new brushless DC motor DTC scheme was studied to solve those problems associated with direct torque controlof brushless DC motor,such as difficulty to control flux and complexity to estimate torque.The flux hysteresis controller was ignored in the constant torque region and an improved method was proposed to make the estimation of torque easier.The proper stator voltage space vector was selected based on the output of the torque hysteresis controller and the sector which the current rotor flux locates in.

摘 要：针对无刷直流电机直接转矩控制中磁链观测困难、控制复杂等问题，提出了一种应用于无刷直流电机二二导通方式下的新型直接转矩控制方法：在电机基频以下调速时，略去了常规的磁链观测控制环节，改进了转矩计算方法，通过转矩滞环控制选择所施加的空间电压矢量。

Due to transient inductances of AC exciter are functions of rotor position and armature winding currents,which are easily influenced by armature current switch on and ferromagnetic material saturation,therefore,analytical method has its limitation to consider current time-variation and ferromagnetic material saturation.

摘 要：由于交流励磁机电枢绕组电流在导通期间的时变性以及铁磁材料饱和特性的影响，瞬态电感是转子位置和电枢绕组电流的多元函数，解析法难以准确计及电流时变性和铁磁材料饱和性的影响。

The cross stator iron core structure makes permanent magnet generate flux in the stator, making full use of the permanent magnet.

利用交错式的定子铁芯结构，使所有永磁体都能在定子中产生磁通，实现了永磁体的充分利用。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷