步進電機基本控制電路部分簡介中英文翻譯.doc

（1） 步進電機基本控制電路部分簡介中英文對照中文介紹 步進講解成交的這個部分與基本的最后階段推進電路為步進電動機。 這個電路在每馬達繞圍繞關(guān)于一個唯一問題，斷斷續(xù)續(xù)交換潮流和控制它的方向。在這個部分談論的電路連接直接地到馬達繞和馬達電源，并且這個電路是由確定的一個數(shù)字系統(tǒng)控制的當開關(guān)被關(guān)閉或時。 這個部分包括馬達的所有類型，從必要的基本的電路控制一個易變的勉強馬達，對必要的h橋梁電路控制一個雙極永久磁鐵馬達。 激勵電路每類說明以實用例子，但這些例子沒有意欲作為買得到的控制電路的詳盡的編目，亦不是提供這里意欲的信息替代品對于發(fā)現(xiàn)在制造商的組分數(shù)據(jù)表為零件被提及的信息。 這個部分只包括最基本的控制電路為馬達每類。 所有這些電路假設(shè)，馬達電源提供推進電壓沒有大于馬達的對估計的電壓，并且這極大限制馬達表現(xiàn)。下個部分，關(guān)于當前有限的推進電路，包括實用高性能激勵電路。典型的控制器為變數(shù)不愿走馬達是在圖 3.1 中被顯示的大綱上的變化: 在圖 2.1 中，盒子用來表現(xiàn)開關(guān);一控制單位不被不,負責提供控制信號在適當?shù)拇未蜷_而且關(guān)開關(guān)為了要快速旋轉(zhuǎn)馬達。 在許多情況，控制單位將會是計算機或可設(shè)計的接口控制器,由于軟件直接的產(chǎn)生被需要控制開關(guān)的輸出，但是在其他的情況，附加的控制電路被介紹,有時免費的! 馬達的卷，螺線形電導管和相似的裝置是所有的歸納負荷。同樣地，涌流經(jīng)過馬達的卷不能夠被把打開或走開即時不包括無窮的電壓而! 當開關(guān)控制馬達的卷是關(guān)閉的時候,允許涌流流動,結(jié)果這是在方面的慢提高涌流。 當開關(guān)控制馬達的卷被打開的時候, 結(jié)果這是一支能嚴重的損害開關(guān)的電壓長釘除非照料被采取適當?shù)奶幚硭?。英文對照this section of the stepper tutorial deals with the basic final stage drive circuitry for stepping motors. this circuitry is centered on a single issue, switching the current in each motor winding on and off, and controlling its direction. the circuitry discussed in this section is connected directly to the motor windings and the motor power supply, and this circuitry is controlled by a digital system that determines when the switches are turned on or off. this section covers all types of motors, from the elementary circuitry needed to control a variable reluctance motor, to the h-bridge circuitry needed to control a bipolar permanent magnet motor. each class of drive circuit is illustrated with practical examples, but these examples are not intended as an exhaustive catalog of the commercially available control circuits, nor is the information given here intended to substitute for the information found on the manufacturers component data sheets for the parts mentioned. this section only covers the most elementary control circuitry for each class of motor. all of these circuits assume that the motor power supply provides a drive voltage no greater than the motors rated voltage, and this significantly limits motor performance. the next section, on current limited drive circuitry, covers practical high-performance drive circuits. typical controllers for variable reluctance stepping motors are variations on the outline shown in figure 2.1:figure 2.1in figure 2.1, boxes are used to represent switches; a control unit, not shown, is responsible for providing the control signals to open and close the switches at the appropriate times in order to spin the motors. in many cases, the control unit will be a computer or programmable interface controller, with software directly generating the outputs needed to control the switches, but in other cases, additional control circuitry is introduced, sometimes gratuitously! motor windings, solenoids and similar devices are all inductive loads. as such, the current through the motor winding cannot be turned on or off instantaneously without involving infinite voltages! when the switch controlling a motor winding is closed, allowing current to flow, the result of this is a slow rise in current. when the switch controll