电机的

In the electric motor soft start question, uses the crystal thyratron intelligence module which controls by the singlechip to change the electric motor the initial firing current, the realization soft start; In the protection question, uses the singlechip to monitor the electric motor the movement, to lacks the breakdown implementation to separate the electrical machinery movement immediately, according to certain algorithm judgment electric motor whether crosses the class, like tallies has flowed the condition is the separation electrical machinery movement.

在电动机软起动问题上，采用由单片机控制的晶闸管智能模块改变电动机的起动电流，实现软起动；在保护问题上，采用单片机监视电动机的运行，对缺相故障实行立即断开电机运行，根据一定算法判断电动机是否过流，如符合过流条件即断开电机运行。

The difference is discussed in the paper and a novel PMSM DTC system based on the fuzzy distribution of zero voltage vector strategy is proposed at last. Simulation results show that the new method decreases the torque ripple after using zero voltage vectors properly.

论文分析了零电压矢量在永磁同步电机直接转矩控制系统中的作用，并提出了一种基于模糊零电压矢量分配策略的永磁同步电机直接转矩控制方法，仿真结果表明该方法有效地利用零电压矢量达到了减小转矩脉动的目的。

The regularities of magnetic field spatial distribution of ironless PM motor with Halbach array are generalized. Thirdly, magnetic fields of different topology Halbach array motor are investigated comparatively by a large number of calculations.

利用渐近边界条件法，定量地计算了在定转子均无铁心的情况下电机内部及周围磁场的大小，总结出了Halbach阵列无铁心永磁电机磁场的空间分布规律。

It make the control-driven system work well in a application of peristaltic pump control-driven system.

0引言在基于单片机的步进电机控制系统中，电机转速的平稳性是驱动控制的主要任务[1]。

Test is done on an arced linear synchronous motor test-bench and result shows a fast dynamic response achieved by direct torque control method and the control algorithm is also verified.

在圆弧型同步直线电机试验台上进行试验，试验结果较好的体现了直接转矩控制追求电机快速动态响应的特性，验证了控制算法的正确性。

The experiment result shows that this control method can improve the dynamic performance of the motor control system, which accelarates motor responds and restrains overshoots. For the step external disturbance, the system speed only shows a pulse fluctuation with a width of 0.1 s, and the amplitude is one half of that of PID controller.

实验结果表明，该控制方法显著地改善了电机控制系统的动态性能，使电机响应迅速而且没有超调；对于阶跃型外界扰动，系统的速度仅出现了宽度为0.1 s的脉冲型波动，且幅度比PID控制至少减小50%。

Analysis of detection ability and location accuracy of Tianjin Telemetered Seismic Network after its joining in NCUSN;2. Firstly, feed location accuracy of linear motor were analyzed and tested.

误差补偿是提高机械加工精度的有效途径，在分析测试数控直线电机进给定位精度的基础上，提出基于最小二乘支持向量机的直线电机进给定位精度误差回归建模和预测方法。

The spindle selects enclosed rolling bearing for supporting; vertical and horizontal drag board are adopted with enclosed rolling rod drive; body guide ways are casted with abrasion-resistance iron quenched with super frequency and milled precisely, and all these contribute to a long-term processing precision and a long lifespan; 5.5KW motor serves as the main motor contribute to a stronger turning capacity and larger rotary speed range; Workpiece clamping is are adopted withed with spring collet, it can also be equipped with hydraulic chuck, four-spindle oil cylinder, pneumatic, hydraulic tail stock.

CK6232数控车床是一款高刚性封密数控车床，特别适宜粗精加工，整机造型稳重大方，全封闭护罩防护，主轴采用精密刚性轴承支撑，纵横向拖板采用精密滚珠丝杆传动，床身导轨采用耐磨铸铁铸造，经超音频淬火及精密磨削，能长期稳定的保证加工精度和使用寿命；主电机选用5.5KW 的电机，使主轴有更强的切削能力和转速范围；工件装夹方式选用弹簧夹头，也可按用户要求配置手动卡盘、液压卡盘，气压、液压尾座。

In order to improve the tower crane working efficiency, windlass mechanism has a set of gear change mechanism, are devided into high speed,mid speed and low speed, the gear change mechanism gained three speed through connecting 2 DLM5-40A and 1 DLM5-63A brake, control 3 brake by LHK switch,when it with the function of low-speed heavy-load, get through the model DLM5-63A brake; when it with the function of mid-speed mid-load and high-speed light-load, get through the model two DLM4-40A brake, and the operator can choice the good position as the weight of the goods, when change the speed, must be cut off the motor, 26 FUSAN CONSTRUCTION MACHINERY CO.,LTD PDF 文件使用"pdfFactory Pro"试用版本创建 www.fineprint.cn FUSHAN TOWER CRANE OPERATINGINSTRUCTIONS-QTZ125G(FS6016) no change speed when driving it.

为了提高塔机的工作效率，卷扬机构设有一套变速装置，分重，中，轻三档，变档装置是通过分别接通两个 DLM5-40A 和一个 DLM5-63A 电磁离合器来获得三种速度。用转换开关 LHK 控制三个电磁离合器，重载低速时，接通 DLM5-63A 电磁离合器，中载中速和轻载高速时，分别接通其余两个 DLM5-40A 电磁离合器，司机可根据物品的重量选择合适的档位，换档时，必须使电机断电，不允许在电机运行过程中换档。

In the car movement control, this design uses a branch electrical machinery to control the car the advance and the backlash, step-by-steps the electrical machinery to control the car counterclockwise and the right-turn.

在小车的运动控制中，本设计采用一个支流电机控制小车的前进和后退，一个步进电机控制小车的左转和右转。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。