基于圓度和圓柱度測(cè)量虛擬儀器的步進(jìn)電機(jī)控制系統(tǒng)畢業(yè)論文外文翻譯-文庫(kù)吧資料
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【正文】 O Zhenming. Motor Learning [M]. Harbin Engineering University Press (Fifth Edition), 2020, [2] JING Xuedong, XU Binshi, WANG Chentao Etc. Virtual instrument technology and its applications[J].JOURNAL OF SHAANXI UNIVERSITY OF SCIENCE amp。 Display the errors。 Set the initial rate , maximum rate and distance of motor movement。 Display the motor’s state。 Tldec is the motor’s decelerating time. The relationship between them, such as the following formula: max_ vel = str _ vel + accel * (Tlacc + Tsacc )? str _ vel = max_ vel + decel * (Tldec + Tsdec )? ? In the formula, accel and decel represent the acceleration and deceleration. Parameters are set on the software front panel according to the relationship between the rate and time, implementing the motor by openloop control. . stepper motor’s forward and reverse control Forward and reverse of the stepper motor are controlled by the Boolean control variable, switched to the forward position, the forward signal is outputted or switched to reverse position, reverse signal is outputted. . program diagram of the stepper motor’s forward and reverse. The right one In the , ExistCards means the exist card’s number, axis is the number of the axis which is under controlled. Trvel means the initial rate of motor, maxvel means the maximum running rate of the motor, pos means the motor’s running distance and Error Out means the initialization state of the board. Corresponding program diagram shown in Figure 5, the design steps are as follows: Initialize the card number and axis number。 Tsdec is the motor’s decelerating time in the curve segment。 trvel is the initial rate of motor。 LABVIEW。英文 原文 Control system of stepper motor based on roundness and cylindricity measuring virtual instrument QI Fa Quna， JING XueDongb， HE KAIc,a* aSchool of Mechanical and Electronic Engineering， ShaanXi University of science and technology， Xi’an,710021,China bShanghai Institute of Technology,shanghai,202018, China cWESTERN METAL MATERIALS CO.,LTD， baoji,721014, China Abstract The control system uses LABVIEW as the software development platform. The system includes ADLINK motion control card PCI8134, LEETRO stepper motor drivers DMD 402A, and tables with LEETRO DM4240A stepper motors. The system uses ADLINK PCI8134 to send stepping pulse signal PUL and direction level signal DIR to control the stepper motor’s rotation angle and direction, achieving the motor’ positive and negative rotation, acceleration, constant speed and deceleration, then achieving the radial motion of table’s Zaxis slider along the surface of the measured part, the axial motion of Xaxis slider along the surface of the measured part and the spindle rotation for the measurement of roundness and cylindricity. 169。 2020 Published by Elsevier Ltd. Selection and/or peerreview under
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