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1、无锡职业技术学院毕业设计(论文)外文翻译Stepping Motor Application and Control步进电机的应用与控制stepper motor is an electrical pulse will be converted into angular displacement of the implementing agencies. Put it in simple language-speaking: When the stepper drive pulse signal to a receiver, it drives stepper motor rotation d
2、irection by setting a fixed point of view (and the step angle). You can control the number of pulses to control the amount of angular displacement, so as to achieve the purpose of accurate positioning; At the same time, you can by controlling the pulse frequency to control the motor rotation speed a
3、nd acceleration, so as to achieve the purpose of speed. As actuators in the automatic control device. For each pulse signal input, further before stepping motors, also known as the pulse motor. Stepper motor used in digital computer peripheral equipment, as well as the printer, plotter, and disk dev
4、ice.步进电机是将电脉冲转换成角位移的执行机构。通俗的讲：当步进电机驱动器接收到脉冲信号，它就驱动步进电机按设定的方向转动一个固定的角即步进角。你可以控制脉冲的个数来控制角位移量，从而能准确定位；同时你可以通过控制脉冲频率来控制电机转动的速度和加速度，从而达到改变速度的目的。在自动控制装置中作为执行元件。每输入一个脉冲信号，步进电动机前进一步，故又称脉冲电动机。步进电动机多用于数字式计算机的外部设备，以及打印机、绘图机和磁盘等装置。 Stepper motor directly from the AC-DC power supply, and must use special equipme
5、nt - stepper motor drive. Stepper motor drive system performance, in addition to their own performance with the motor on the outside, but also to a large extent depend on the drive is good or bad. A typical stepper motor drive system is operated by the stepper motor controller, stepper motor drives
6、and stepper motor body is composed of three parts. Stepper motor controller stepper pulse and direction signal, each made of a pulse, stepper motor-driven stepper motor drives a rotor rotating step angle, that is, step-by-step further. High or low speed stepper motor, or speed, or deceleration, star
7、t or stop pulses are entirely dependent on whether the level or frequency. Decide the direction of the signal controller stepper motor clockwise or counterclockwise rotation. Typically, the stepper motor drive circuit from the logic control, power driver circuit, protection circuit and power compone
8、nts. Stepper motor drive controller, once received from the direction of the signal and step pulse, the control circuit on a pre-determined way of the electrical power-phase stepper motor excitation windings of the conduction or cut-off signal. Control circuit output signal power is low, can not pro
9、vide the necessary stepping motor output power, the need for power amplifier, which is stepper motor driven power drive part. Power stepper motor drive circuit to control the input current winding to form a space for rotating magnetic field excitation, the rotor-driven movement. Protection circuit i
10、n the event of short circuit, overload, overheating, such as failure to stop the rapid drive and motor. Stepping motor driving power source by frequency pulse signal generator, pulse distributor and pulse amplifier, thus provide pulse current drive power supply to the motor windings. The performance
11、 of the stepper motor depends on the good cooperation between the motor and drive power supply. 步进电机不能直接用交直流电源供电，而必须使用专用设备即步进电机驱动器。步进电机驱动系统的性能，除与电机自身性能有关外，在很大程度上取决于驱动器的好坏。一个典型的步进电机驱动系统是由步进电机控制器，步进电机驱动器和步进电机三部分组成。步进电机控制器发出步进脉冲和方向信号，每一个脉冲，步进电机驱动器驱动步进电机转子旋转一个步距角，就是一步。步进电机转速的高低，加速和减速，启动或停止完全取决脉冲的有无和频率的高
12、低。控制器的方向信号决定步进电机的正转或者反转。通常，步进电机驱动器由逻辑控制电路、保护电路、功率驱动电路和电源组成。当步进电机驱动器接收到来自控制器的方向信号和步进脉冲，控制电路就按照预先设定的电机通电方式产生步进电机各相励磁绕组导通或截止信号。由于控制电路输出的信号功率很低，不能提供步进电机所需的输出功率，所以必须进行功率放大，这就是步进电机驱动器的功率驱动部分。功率驱动电路向步进电机控制绕组输入电流，使其励磁形成空间旋转磁场，驱动转子运动。保护电路在出现短路、过载、等故障时迅速停止驱动器和电机的运行。步进电动机的驱动电源由变频脉冲信号源、脉冲分配器及脉冲放大器组成，由此驱动电源向电机绕组
13、提供脉冲电流。步进电动机的运行性能决定于电机与驱动电源间的良好配合。 Motor is usually for the permanent magnet rotor, when the current flows through the stator windings, the stator windings produce a magnetic field vector. The magnetic field will lead to a rotor angle of rotation, making a pair of rotor and stator magnetic field dir
14、ection of the magnetic field direction. When the stator rotating magnetic field vector from a different angle. Also as the rotor magnetic field to a point of view. An electrical pulse for each input, the motor rotation angle step. Its output and input of the angular displacement is proportional to t
15、he pulses, with pulse frequency proportional to speed. Power to change the order of winding, the electrical will be reversed. We can, therefore, control the pulse number, frequency and electrical power windings of each phase to control the order of rotation of stepper motor Stepper motor is no cumul
16、ative error, the advantages of simple structure, convenient operation and maintenance, low manufacturing cost, the ability of stepper motor to drive the load inertia is big, suitable for small and medium-sized machine speed and accuracy is not high, defect is low efficiency, fever, sometimes out of
17、step. 电机转子通常是永磁转子，通过定子绕组的电流流时，定子绕组产生的磁场矢量。会使转子的旋转一定角度，使一对转子的磁场方向和定子的磁场方向一致。当定子旋转磁场矢量旋转一个角度，转子也随着这个磁场旋转一个角度。每个输入一个电脉冲，电机的旋转一个角度前进一步。它的输出角位移和输入脉冲数是成正比的，速度与脉冲频率成正比。改变绕组通电的顺序，电机就会反转。因此，我们可以用控制脉冲数，脉冲频率和电机绕组的通电顺序来控制步进电机旋转。步进电机的优点是没有累积误差，结构简单，使用维修方便，制造成本低，步进电动机带动负载惯量的能力大，适用于中小型机床和速度精度要求不高的地方，缺点是效率较低，发热大，有时
18、会“失步”。Stepper motor types: Permanent magnet (PM). Magnetic generally two-phase stepper, torque and are smaller and generally stepping angle of 7.5 degrees or 15 degrees; put more wind for air-conditioning. Magnetoelectric stepper motor mainly include permanent magnet, reactive and permanent magnetic
19、 induction type three kinds of forms. Permanent magnet stepping motor is composed of four phase winding. When A phase winding current, rotor magnet steel will shift to determine the magnetic field direction of the phase winding; A blackout, B phase winding current, is to create A new magnetic field
20、direction, at this point, the rotor is rotating Angle and is located in A new direction of the magnetic field, the direction is determined by the order of incentive in the rotor. Permanent magnet stepper motor consumed power, smaller step torque Angle is bigger. The disadvantage is that start freque
21、ncy and low frequency.步进电机类型： 永磁式（PM）。永磁式步进电机一般两相步进电机，转矩和体积较小，一般步进角度为7.5度或15度，多用于空调风摆上。磁电式步进电动机主要有永磁式、反应式和永磁感应子式3种形式。永磁式步进电动机由四相绕组组成。A相绕组通电时，转子磁钢将转向该相绕组所确定的磁场方向;A相断电、B相绕组通电时，就产生一个新的磁场方向，这时，转子就转动一角度而位于新的磁场方向上，被激励相的顺序决定了转子运动方向。永磁式步进电动机消耗功率较小，步矩角较大。缺点是起动频率和运行频率较低。 Reactive (VR), the domestic general ca
22、lled BF, have a common three-phase reaction, step angle of 1.5 degrees; also have five-phase reaction. Noise, no torque has been set at a large number of out. Reactive stepping motor on the set, the internal and external surfaces of the rotor core is equipped with distribution according to certain r
23、ule similar tooth groove, using these two kinds of tooth position change caused the change of the magnetic reluctance torque. Step this step motor torque Angle can do 1 15 , and even smaller, easy to guarantee accuracy, starting and running frequency is higher, but large power consumption and low ef
24、ficiency.反应式（VR），国内一般称为BF，常见的是三相反应式，步进角度为1.5度，也有五相反应式。反应式步进电动机在定、转子铁心的内外表面上设有按一定规律分布的相近齿槽，利用这两种齿槽相对位置变化引起磁路磁阻的变化产生转矩。这种步进电动机步矩角可做到115，甚至更小，精度容易保证，起动和运行频率较高，但功耗较大，效率较低。Hybrid (HB), common two-phase hybrid, five-phase hybrid, three-phase hybrid, four-phase hybrid, two-phase can be common with the four
25、-phase drive, five-phase three-phase must be used with their drives; Two-phase, four-phase hybrid step angle is 1.8 degrees more than a small size, great distance, and low noise; With reactive and sawyer type two kinds. Sawyer type linear stepper motor by the stationary part (referred to as the reac
26、tion plate), and moving parts (move). Reaction plate made of soft magnetic materials, have teeth and slots on it evenly. Motor dynamic child by permanent magnet and coil two poles of A and B. Active cell consists of air bearing, in order to eliminate moving mechanical friction, make the motor run sm
27、oothly and improve the positioning accuracy. The highest speed of the motor can reach 1.5 m/SEC, up to 2 g acceleration, positioning accuracy can reach more than 20 microns. With two type sawyer perpendicular linear stepper motor assembly is flat motor. Give direction and the direction of two electr
28、ic motor (figure 3) with different combination control current, can cause the machine to do any geometrical locus of movement in the plane. Large automatic drawing machine is computer and motor together new equipment. Planar motor can also be used for laser cutting system, its control precision and
29、resolution can reach tens of microns.混合式（HB），普通的两相混合式，五相混合式，三相混合，四相混合式，两相和四相可以通用驱动器。五相和三相只能用自己的驱动器。两相，四相混合式步进角为1.8度，具有小体积，大力距，低噪的特点。有反应式和索耶式两类。索耶式直线步进电动机由静止部分（称为反应板）和移动部分(称动子)组成。反应板由软磁材料制成，在它上面均匀地开有齿和槽。电机的动子由永久磁铁和两个带线圈的磁极A和B组成。动子是由气垫支承,以消除在移动时的机械摩擦,使电机运行平稳并提高定位精度。这种电机的最高移动速度可达1.5米/秒，加速度可达2g,定位精度可达20
30、多微米。由两台索耶式直线步进电动机相互垂直组装就构成平面电动机。给方向和方向两台电机(图3)以不同组合的控制电流，就可以使电机在平面内做任意几何轨迹的运动。大型自动绘图机就是把计算机和平面电动机组合在一起的新型设备。平面电动机也可用于激光剪裁系统，其控制精度和分辨力可达几十微米。Five-phase hybrid stepping motor is generally 0.72, the motor step angle small, high resolution, but the complexity of drive circuits, wiring problems, such as
31、the 5-phase system of 10 lines. 五相混合式步进电机一般为0.72度，电机步距角小，分辨率高，但驱动电路复杂，接线麻烦。Three-phase hybrid stepping motor step angle of 1.2 degrees, but according to the use of 1.8 degrees, the three-phase hybrid stepping motor has a two-phase mixed than the five-phase hybrid more pole will help electric folder
32、symmetric angle, it can be more than two-phase, five-phase high accuracy, the error even smaller, run more smoothly. 三相混合式步进电机步距角为1.2度，但使用中要按1.8度计算，三相混合式步进电机拥有比两相混合，五相混合式更多的磁极。有利于电动机夹角的对称，因此可以比两相，五相精度更高，误差更小，运行更平稳。Stepper motor to maintain torque: stepper motor power means no rotation, the stator lo
33、cked rotor torque. It is a stepper motor, one of the most important parameters, usually in the low-speed stepper motor torque at the time of close to maintain the torque. As the stepper motor output torque increases with the speed of constant attenuation, the output power also increases with the spe
34、ed of change, so as to maintain torque on the stepper motor to measure the parameters of one of the most important. For example, when people say that the stepper motor 2N.m, in the absence of special circumstances that means for maintaining the torque of the stepper motor 2N.m. 步进电机保持扭矩：指步进电机通电但没有转动
35、时，定子锁住转子的力矩。它是步进电机最重要的参数之一，通常步进电机在低速的力矩接近保持转矩，由于步进电机的输出转矩随速度的增加而不断衰减，输出功率也随速度的增加而变化，从而保持扭矩成为衡量步进电机最重要的参数之一。例如，当人们说2N.m的步进电机，在没有特殊说明的情况下是指保持扭矩为2N.m.的步进电机 Precision stepper motors: stepper motor step angle accuracy of 3-5%, not cumulative. 步进电机的精度：步进电机的精度为步距角的3-5，且不累积。Stepper motor to allow the minimu
36、m amount of surface temperature：Stepper motor causes the motor temperature is too high the first magnetic demagnetization, resulting in loss of torque down even further, so the motor surface temperature should be the maximum allowed depending on the motor demagnetization of magnetic material points;
37、 Generally speaking, the magnetic demagnetization points are above 130 degrees Celsius, and some even as high as 200 degrees Celsius, so the stepper motor surface temperature of 80-90 degrees Celsius is normal.步进电机允许的最高表面温度：步进电机温度过高首先会的磁性材料退磁，导致转矩降低甚至失步，电机表面温度允许的最大值取决于的磁性材料退磁点;一般来说，磁性材料退磁点在摄氏130度以上有
38、些材料甚至高达摄氏200度高，所以步进电机表面温度在摄氏80-90度是正常的。art frequency of no-load: the stepper motor in case of no-load to the normal start of the pulse frequency, if the pulse frequency is higher than the value of motor does not start, possible to lose steps or blocking. In the case of the load, start frequency shou
39、ld be lower. If you want to achieve high-speed rotation motor, pulse frequency should be to accelerate the process, that is, the lower frequency to start, and then rose to a certain acceleration of the desired frequency (motor speed from low rise to high-speed). 空载启动频率：步进电机在无负载时能正常启动的脉冲频率，如果脉冲频率高于该值
40、，电机不能正常启动，可能丢步或堵转。在有负载的情况下，启动频率应更低。如果你想实现电机高速旋转，脉冲频率应该有加速过程，也就是说，在较低的频率开始，然后按一定的加速度上升到所需的频率（即电机转速从低到高）。 Step angle: that is to send a pulse, the electrical angle corresponding to rotation. Torque positioning: positioning torque stepper motor does not refer to the case of electricity, locked rotor to
41、rque stator. Operating frequency: step-by-step stepper motor can run without losing the highest frequency. 步距角：即发送一个脉冲，电机转动相应的角度。 扭矩定位：扭矩定位是指步进电机没有通电的情况下，定子锁住转子的力矩。 运行频率：步进电机不失步运行的最高频率。Subdivision Drive: stepper motor drives the main aim is to weaken or eliminate low-frequency vibration of the stepp
42、er motor to improve the accuracy of the motor running. Reduce noise. If the step angle is 1.8 (full step) the two-phase hybrid stepping motor, if the breakdown of the breakdown of the number of drives for the 8, then the operation of the electrical pulse for each resolution of 0.072 , the precision
43、of motor can reach or close to 0.225 , also depends on the breakdown of the breakdown of the drive current control accuracy and other factors, the breakdown of the number of the more difficult the greater the precision of control. 运细分驱动器： 步进电机细分驱动器的主要目的是减弱或消除步进电机的低频振动，提高电机的运转精度，减少噪音。如对于步距角为1.8（整步）的两
44、相混合式步进电机，如果细分驱动器的细分数为8，那么电机的运转分辨率为每个脉冲0.072，电机的精度能否达到或接近0.225，还取决于细分驱动器的细分电流控制精度等其他因素，细分数越大精度越难控制。How to determine the stepper motor driver DC power supply：步进电机驱动器直流电源的确定: A. Determination of the voltage: Hybrid stepping motor driver power supply voltage is generally a wide range (such as the IM483
45、supply voltage of 12 48VDC), the supply voltage is usually based on the work of the motor speed and response to the request to choose. If the motor operating speed higher or faster response to the request, then the voltage value is high, but note that the ripple voltage can not exceed the maximum in
46、put voltage of the drive, or it may damage the drive.A.电压确定：混合式步进电机驱动器的电源电压范围较广（比如IM483的供电电压1248VDC），电源电压通常根据电机的转速和响应要求来选择。如果要求较快的运行速度较高的响应速度就选用较高的电压，但注意电源电压的峰值不能超过驱动器的最大输入电压，否则可能会损坏驱动器。B. Determination of Current:Power supply current is generally based on the output phase current drive I to determi
47、ne. If a linear power supply, power supply current is generally preferable 1.1 to 1.3 times the I; if we adopt the switching power supply, power supply current is generally preferable to I, 1.5 to 2.0 times.B.电流确定：电源电流一般根据输出相电流I来确定。如果采用线性电源，电源电流一般可取I的1.11.3倍;如果采用开关电源，电源电流一般可取I的1.52.0倍。The main chara
48、cteristics of stepping motor：步进电机的主要特性： 1. A stepper motor drive can be added operate pulse drive signal must be no pulse when the stepper motor at rest, such as If adding the appropriate pulse signal, it will to a certain angle (called the step angle) rotation. Rotation speed and pulse frequency is
49、 proportional to.1. 在步进电机关机时要确保没有脉冲信号，当电机运行时如果加入适当的脉冲信号，它会转过一定的角度（称为步距角是）。转速与脉冲频率成正比。2. permanent magnet step angle stepper motor version is 7.5 degrees, 360 degrees around, takes 48 pulses to complete. 2永磁式式步进电机步距角7.5度，旋转360度，需要48个脉冲来完成。3. stepper motor has instant start and rapid cessation of superior characteristics.Change the order of the pulse 3步进电机具有快速启动和停止的优良特性4you can easily change the direction of rotation.Therefore,