机械控制学中英对照论文 机械控制在现代纺织工业的应用.doc
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1、控制工程基础论文英中对照翻译专业:学号: 姓名:Machinery control applications in the modern textile industrySome years, as people more conscious of the aesthetic and living standards, high-grade yarn-dyed products are increasingly popular. Not real silk, chemical fiber, rayon, cotton yarn, also can be blended and Silk wea
2、ving, dyeing bobbins which led the industry in the yarn is widely available. General yarn before dyeing tube blanks need to be purchased to suit the yarn package dyeing contact with the pine-style cheese for the next procedure to use, so slack increasing demand for precision windingExisting domestic
3、 slack winding machine structure is generally focused on single-spindle drive mode, usually including winding, yarn, over-feed, such as several sports, the use of mechanical gears and cam completion, for a variety of yarns of different winding process, equipment is more difficult to adjust; yarn org
4、anizations to adopt a grooved drum and rotary wing, for some high-end yarn is easy to produce injury; the same time as the structure is used in mechanical transmission, winding speed is not high. This pine-style winding currently abroad has been completely based on electronic gear and all digital el
5、ectronic cam winding structure, namely, the independent single spindle drive; winding, traversing yarn guide, yarn over-feed, tension compensation are used separate motor control the movement of the relationship between the motor can be described by parameter setting, flexible response to various ch
6、aracteristics of the yarn winding process needs; traversing yarn guide used the yarn guide, commonly known as rabbit head , damage to the yarn is very small, especially for high-grade yarn-dyed yarn winding; In addition, as the motor drive there is no direct mechanical connection, combined with high
7、-speed precision motion control software algorithms, can easily achieve high precision cross-winding, winding speed of winding is much larger than mechanical slack, greatly improving the efficiency of the windingBeijing and Li Technology Co., Ltd. through the motor and domestic well-known textile ma
8、chinery group co slack for precision winding process characteristics, in their many years of accumulation of the servo and motion control technology, based on the successful development of the country for the first time round with their own Intellectual property rights of high-speed precision slack
9、winding electrical control program. The scheme has good performance and low cost, greatly enhancing the domestic slack winder automation level, the major technical indicators have reached the level of similar foreign equipment.System control program profilesSingle-spindle control, for example, a sys
10、tem control program shown in Figure principle, traverse the motor shaft connected to a wire wheel, wire wheel through the positive and negative spin-driven fastening the wire yarn guide and move around, to achieve cross-yarn Fixed cable movement; winding yarn tube direct-drive rotary motor, to achie
11、ve the yarn winding movement, the horizontal motion and the synthesis of the two movements after winding yarn showed the shape of a spiral wire wound on bobbins surface back and forth . Tension compensation and over-feed motor is mainly used to control the motor in the process of yarn winding tensio
12、n.The yarn guide traverse the program uses a motor through the unique design of the ultra-small inertia servo motor, motor winding, and over-feed is also used in custom designed high-speed brushless DC motor, the tension motor uses a common step motor. Figure in the single-spindle control driver is
13、and the benefits of the motor development in its own all-digital AC servo drive, based on the embedded high-speed electronic yarn winder precision motion control algorithms, winding brushless motors speed control and special yarn tension control strategy based motor drive control system. The whole s
14、ystem is simple, functional and communication through the adjustment of the keyboard or the single-spindle control driver parameter can be easily set up the internal memory of yarn winding forming the geometric parameters (full tube diameter, to close edge amplitude, etc.), winding the line speed ,
15、the winding ratio, traverse the length of yarn, hard-edged trim tube differential amplitude, differential cycle, the cam curve of the differential parameters, along with RS232, RS485, CAN bus communication interface of three, can easily complete networked multi-spindle control, the full realization
16、of flexible digital winding. The main technical parameters are listed below:Than the control winding 2.000 12.000; Traverse to the acceleration of the servo motor for up to 8000r/s2, reciprocating frequency of the maximum is 800 beats / minute, 160 per minute0 commutation; Traverse servo motor funct
17、ion with dynamic range automatically give change, no external zero position sensor; Embedded winding and compensation for the three over-feed and tension motor control, can drive, brushless DC motor driver, stepper motor driver interface, easy to realize the winding motor, over-feed motor and motor
18、control tension compensation ;Embedded winding and compensation for the three over-feed and tension motor control, can drive, brushless DC motor driver, stepper motor driver interface, easy to realize the winding motor, over-feed motor and motor control tension compensation ; Calibration function wi
19、th an empty tube diameter; A variety of real-time parameter display, such as the actual line speed, yarn diameter cylinder, reciprocating frequency; Multiple fault protection measures, such as abnormal parameters, motor speed, dynamic range tolerance, hardware fault, etc.;Operating parameters in rea
20、l time with power-down protection functions, such as the length of winding, winding diameter;Introduction to traverse servo motor controTo ensure the bobbins with good dyeing properties, need to start winding to the full tube diameter between any point on the yarn on the cheese into the interchange
21、in space, not parallel to each other to ensure that each yarn is no overlap That is the need for winding bobbins for precise control over. The so-called winding ratio, is the yarn guide traverse back and forth each time, the number of laps winding bobbins. The traditional cross-grooved drum winding
22、winding (any winding), a constant winding ratio of precision winding, three forms of NC layer winding, the program mainly to achieve a constant winding ratio, and numerical precision cross-winding layer Winding two functionsIn order to achieve precision cross-winding, Control of single spindle drive
23、 real-time collection through the winding motor feedback encoder pulse signal calculation of real-time speed, precision winding process according to the requirements come with a unique numerical algorithm traverse servo motor speed reference Instructions to ensure the traverse servo motor speed and
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