机械手外文翻译-简易机械手及控制

密 级分类号编 号成 绩本科生毕业设计 (论文)外 文 翻 译原 文 标 题Simple Manipulator And The Control Of It译 文 标 题简易机械手及控制作者所在系别机械工程系作者所在专业xxxxx作者所在班级xxxxxxxx作 者 姓 名xxxx作 者 学 号xxxxxx指导教师姓名xxxxxx指导教师职称副教授完 成 时 间年02月教务处制 41 译文标题 简易机械手及控制原文标题 Simple Manipulator And The Control Of It作 者机电之家译 名JDZJ国 籍中国原文出处 机电之家 中文译文： 简易机械手及其控制随着社会生产力的持续进步和人们生活节奏的日益加快,人们对生产效率也提出了新要求。而由于微电子技术和计算软、硬件技术的迅速发展和现代控制理论的不断完善,使得机械手技术也快速发展起来,其中气动机械手系统由于其介质来源简便且无污染、组件价格低廉、维修方便以及系统安全可靠等特点,已渗透到工业领域的各个部门,在工业发展中占有重要地位。本文讲述的气动机械手由气控机械手、XY轴丝杠组、转盘机构、旋转基座等机械部分组成。主要作用是完成机械部件的搬运工作,能使用于各种不同的生产线或物流流水线中,使得零件搬运、货物运输更快捷、便利。一.四轴联动简易机械手的结构及动作过程机械手结构如下图1所示,有气控机械手(1)、XY轴丝杠组(2)、转盘机构(3)、旋转基座(4)等组成。 图1.机械手结构其运动控制方式为：(1)由伺服电机驱动可旋转角度为360的气控机械手(有光电传感器确定起始0点);(2)由步进电机驱动丝杠组件使机械手沿X、Y轴移动(有x、y轴限位开关);(3)可回旋360的转盘机构能带动机械手及丝杠组自由旋转(其电气拖动部分由直流电动机、光电编码器、接近开关等组成);(4)旋转基座主要支撑以上3部分;(5)气控机械手的张合由气压控制(充气时机械手抓紧,放气时机械手松开)。其工作过程为：当货物到达时,机械手系统开始动作;步进电机控制开始向下运动,同时另一路步进电机控制横轴开始向前运动;伺服电机驱动机械手旋转到达正好抓取货物的方位处,然后充气,机械手夹住货物。 步进电机驱动纵轴上升,另一个步进电机驱动横轴开始向前走;转盘直流电机转动使机械手整体运动,转到货物接收处;步进电机再次驱动纵轴下降,到达指定位置后,气阀放气,机械手松开货物;系统回位准备下一次动作。二.控制器件选型为达到精确控制的目的,根据市场情况,对各种关键器件选型如下：1.步进电机及其驱动器机械手纵轴(Y轴)和横轴(X轴)选用的是北京四通电机技术有限公司的42BYG250C型两相混合式步进电机,步距角为0.9/1.8,电流1.5A。M1是横轴电机,带动机械手机构伸、缩;M2是纵轴电机,带动机械手机构上升、下降。所选用的步进电机驱动器是SH-20403型,该驱动器采用1040V直流供电,H桥双极性恒相电流驱动,最大3A的8种输出电流可选,最大64细分的7种细分模式可选,输入信号光电隔离,标准单脉冲接口,有脱机保持功能,半密闭式机壳可适应更恶劣的工况环境,提供节能的自动半电流方式。驱动器内部的开关电源设计,保证了驱动器可适应较宽的电压范围,用户可根据各自情况在1040VDC之间选择。一般来说较高的额定电源电压有利于提高电机的高速力矩,但却会加大驱动器的损耗和温升。本驱动器最大输出电流值为3A/相(峰值),通过驱动器面板上六位拨码开关的第5、6、7，三位可组合出8种状态,对应8种输出电流,从0.9A到3A以配合不同的电机使用。本驱动器可提供整步、改善半步、4细分、8细分、16细分、32细分和64细分7种运行模式,利用驱动器面板上六位拨码开关的第1、2、3，三位可组合出不同的状态。2.伺服电机及其驱动器机械手的旋转动作采用松下伺服电机A系列小惯量MSMA5AZA1G,其额定输出50W、100/200V共用,旋转编码器规格为增量式(脉冲数2500p/r、分辨率10000p/r、引出线11线);有油封,无制动器,轴采用键槽连接。该电机采用松下公司独特算法,使速度频率响应提高2倍,达到500Hz;定位超调整定时间缩短为以往松下伺服电机产品V系列的1/4。具有共振抑制功能、控制功能、全闭环控制功能,可弥补机械的刚性不足,从而实现高速定位,也可通过外接高精度的光栅尺,构成全闭环控制,进一步提高系统精度。具有常规自动增益调整和实时自动增益调整两种自动增益调整方式,还配有RS-485、RS-232C通信口,使上位控制器可同时控制多达16个轴。伺服电机驱动器为A系列MSDA5A3A1A,适用于小惯量电动机。3.直流电机可回旋360的转盘机构有直流无刷电机带动,系统选用的是北京和时利公司生产的57BL1010H1无刷直流电机,其调速范围宽、低速力矩大、运行平稳、低噪音、效率高。无刷直流电机驱动器使用北京和时利公司生产的BL-0408驱动器,其采用2448V直流供电,有起停及转向控制、过流、过压及堵转保护,且有故障报警输出、外部模拟量调速、制动快速停机等特点。4.旋转编码器在可回旋360的转盘机构上,安装有OMRON公司生产的E6A2增量型旋转编码器,编码器将信号传给PLC,实现转盘机构的精确定位。5. PLC的选型根据系统的设计要求,选用OMRON公司生产的CPM2A小型机。CPM2A在一个小巧的单元内综合有各种性能,包括同步脉冲控制、中断输入、脉冲输出、模拟量设定和时钟功能等。CPM2A的CPU单元又是一个独立单元,能处理广泛的机械控制应用问题,所以它是在设备内用作内装控制单元的理想产品。完整的通信功能保证了与个人计算机、其它OMRON PC和OMRON可编程终端的通信。这些通信能力使四轴联动简易机械手能方便的融合到工业控制系统中。三.软件编程1.软件流程图流程图是PLC程序设计的基础。只有设计出流程图,才可能顺利而便捷地编写出梯形图并写出语句表,最终完成程序的设计。所以写出流程图非常关键也是程序设计首先要做的任务。依据四轴联动简易机械手的控制要求,绘制流程图如图2所示。 图2.软件流程图2.程序部分由于论文篇幅有限,这里只列出了开始两段程序,供读者参阅,见图3。 图3 程序列表四.结束语四轴联动简易机械手的各个动作和状态都由PLC控制,不仅能满足机械手的手动、半自动、自动等操作方式所需的大量按扭、开关、位置检测点的要求,更可通过接口元器件与计算机组成PLC工业局域网,实现网络通信与网络控制。使四轴联动简易机械手能方便地嵌入到工业生产流水线中。外文文献原文： Simple Manipulator And The Control Of It Along with the social production progress and people life rhythm is accelerating, people on production efficiency also continuously put forward new requirements. Because of microelectronics technology and calculation software and hardware technology rapid development and modern control theory, the perfection of the fast development, the robot technology pneumatic manipulator system because its media sources do not pollute the environment, simple and cheap components, convenient maintenance and system safety and reliability characteristic, has penetrated into every sector of the industrial field, in the industrial development plays an important role. This article tells of the pneumatic control robots, furious manipulator XY axis screw group, the turntable institutions, rotating mechanical parts base. Main effect is complete mechanical components handling work, to be placed in different kinds of line or logistics pipeline, make parts handling, transport of goods more quick and convenient.Matters of the manipulator axial linkage simple structure and action processManipulator structure, as shown in figure 1 below have accused of manipulator (1), XY axis screw group (2), the turntable institutions (3), rotating base (4), etc. Figure 1 Manipulator Structure Its motion control mode is: (1) can rotate by servomotor Angle for 360 breath control manipulator (photoelectric sensor sure start 0 point); (2) by stepping motor drive screw component make along the X, Y manipulators move (have X, Y axis limit switches); (3) can rotates 360 can drive the turntable institutions manipulators and bushings free rotation (its electric drag in part by the dc motivation, photoelectric encoder, close to switch etc); (4) rotating base main support above 3 parts; (5) gas control manipulator by pressure control (Zhang close when pressed on, put inflatable robot manipulators loosen) when gas.Its working process for: when the goods arrived, manipulator system begins to move; Stepping motor control, while the other start downward motion along the horizontal axis of the step-motor controller began to move exercise; Servo motor driver arrived just grab goods manipulators rotating the orientation of the place, then inflatable, manipulator clamped goods.Vertical axis stepper motor drive up, the other horizontal axis stepper motor driver started to move forward; rotary DC motor rotation so that the whole robot motion, go to the cargo receiving area; longitudinal axis stepper motor driven down again, arrived at the designated location, Bleed valve, mechanical hand release the goods; system back to the place ready for the next action.II.Device controlTo achieve precise control purposes, according to market conditions, selection of a variety of key components as follows:1. Stepper motor and drive Mechanical hand vertical axis (Y axis) and horizontal (X axis) is chosen Motor Technology Co., Ltd. Beijing Stone 42BYG250C type of two-phase hybrid stepping motor, step angle of 0.9 / 1.8 , current is 1.5A. M1 is the horizontal axis motor driven manipulator stretch, shrink; M2 is the vertical axis motor driven manipulator rise and fall. The choice of stepper motor drive is SH-20403 type, the drive uses 10 40V DC power supply, H-phase bridge bipolar constant current drive, the maximum output current of 3A of the 8 optional, maximum fine of 64 segments of 7 sub-mode optional optical isolation, standard single-pulse interface, with offline capabilities to maintain semi-sealed enclosure can be adapted to environmental conditions even worse, provide semi-current energy-saving mode automatically. Drive the internal switching power supply design to ensure that the drive can be adapted to a wide voltage range, the user can according to their circumstances to choose between the 10 40VDC. Generally the higher rated power supply voltage can improve high-speed torque motor, but the drive will increase the loss and temperature rise. The maximum output drive current is 3A / phase (peak), six drive-panel DIP switch on the first three can be combined 5,6,7 8 out of state, corresponding to the 8 kinds of output current from 0.9A to 3A to meet the different motors. The drive can provide full step, half step improvement, subdivision 4, 8 segments, 16 segments, 32 segments and 64 segments of 7 operating modes. The use of six of the drive panel DIP switches 1,2and3 can be combined from three different states. 2. Servo motors and drives Manipulator with Panasonic servo motor rotational movement A series of small inertia MSMA5AZA1G, the rated 50W, 100/200V share, rotary incremental encoder specifications (number of pulses 2500p / r, resolution of 10000p / r, Lead 11 lines) ; a seal, no brakes, shaft with keyway connections. The motor uses Panasonics unique algorithms, the rate increased by 2 times the frequency response, to 500Hz; positioning over the past adjust the scheduled time by Panasonic servo motor products for the V Series of 1 / 4. With the resonance suppression, control, closed loop control, can make up for lack of mechanical rigidity, in order to achieve high positioning accuracy can also be an external grating to form closed loop control to further improve accuracy. With a conventional automatic gain adjustment and real-time automatic gain Interest adjustment in the automatic gain adjustment methods, which also has RS-485, RS-232C communication port, the host controller can control up to 16 axes. Servo motor drives are a series MSDA5A3A1A, applicable to small inertia motor.3. DC machine 360 swing of the turntable can be a brushless DC motor driven organization, the system is chosen when the profit company in Beijing and the 57BL1010H1 brushless DC motor, its speed range, low-speed torque, smooth running, low noise, high efficiency. Brushless DC motor drive using the Beijing and when Lees BL-0408 produced by the drive, which uses 24 48V DC power supply, a start-stop and steering control, over current, overvoltage and locked rotor protection, and there is failure alarm output external analog speed control, braking down so fast. 4. Rotary encoder Can swing 360 in the body on the turntable, fitted with OMRON E6A2 produced incremental rotary encoder, the encoder signals to the PLC, to achieve precise positioning of rotary bodies. 5. PLC Selection According to the system design requirements, the choice of OMRON CPM2A produced minicomputer. CPM2A in a compact unit integrated with a variety of properties, including the synchronization pulse control, interrupt input, pulse output, analog set and clock functions. CPM2A the CPU unit is a stand-alone unit, capable of handling a wide range of application of mechanical control, it is built in the device control unit for the ideal product. Ensure the integrity of communications and personal computers, other OMRON PC and OMRON Programmable Terminal communication. The communication capability allows the robot to Axis simple easy integration into industrial control systems.III. Software programming 1. Software flow chart PLC programming flow chart is based. Only the design flow, it may be smooth and easy to prepare and write a statement form the ladder, and ultimately complete the process design. So write a flow chart of program design is critical to the task first thing to do. Axis Manipulator based on simple control requirements, drawing flow chart shown in Figure 2. Figure 2 Software flow chart 2. Program partBecause space is limited, here only paper listed the first two program segment for readers see. Figure 3 Program part IV. ConclusionAxis simple robot state by the various movements and PLC control, the robot can not only meet the manual, semi-automatic mode of operation required for such a large number of buttons, switches, position detection point requirements, but also through the interface components and Computer Organization PLC industrial LAN, network communication and network control. Axis simple robot can be easily embedded into industrial production pipeline.指 导 教 师 评 语 外文翻译成绩：指导教师签字： 年 月 日注：1. 指导教师对译文进行评阅时应注意以下几个方面：翻译的外文文献与毕业设计（论文）的主题是否高度相关，并作为外文参考文献列入毕业设计（论文）的参考文献；翻译的外文文献字数是否达到规定数量（3 000字以上）；译文语言是否准确、通顺、具有参考价值。2. 外文原文应以附件的方式置于译文之后。10