光盘库系统研究与设计-机械设计及理论专业论文.docxVIP

光盘库系统研究与设计 光盘库系统研究与设计 摘鲁 摘 要 r。≤5905＆ ／在剥近年来若干国内外光盘库系统的原理和结构分析刷比较的基 础上身本文提出一种与王151l有光盘库不同的多层光盘库系统。该光盘库 系统的特点为：盘片分四层竖直均和于透明的幽形库体内，采用八臂 回转架式机械手从库体中选择光盅，山微机控制的步进电机驰动八臂 回转架绕光盘库系统tp心的两光盘驱动器网转，实现棉：片的存取，其 运动规律由微机根据旋转角度自动选择修梯形征等加速度和等速运动 两者之一组成每次的选盘运动，达到精确定位和减少起、制动时缢片 与其接触件之间摩擦的目的。 ／ (根据可能用户的种类本文设想了两利，方案，分别用r连接I乜脑车¨ ＼ j 家用影碟机，结构小变，r{要接厂j做适当改动就可以遁用厂。、3 本文对机电一体化的光盘J车系统的控制系统进行了规划，光盘驱 动器的连接采用光盘库所常川的SCSI接【j，可以『司时连接多台外砹 而不冲突。控制器的连接则可以沿用传统的IEEE申行接口。 【关键词】光存储，光母，光黜库系统i精密机械 ／＼ 作者：夏戊秋 指导教师：鼓民托 Abslmct Abslmct Research and Design of Jukebox Research and Design of Jukebox Abstract This paper studies the mechanism of domestic and inte rnational Jukebox being used in recenI years and pre sents a type of jukebox storage system which i s different from current jukebox Four layers of CDs are arrayed in a round transparent sto rage boX in the bottom of thiS system．CDS’ presetting is performed by an eight—arm frame robot which can rotate around the two CD—drivers in the cente r．The rotation of the eight—arm frame is driven by a stepping motor which is controlled by compute r．To realize the precise allocation and reduce the friction between the di SCS and its’contactings the specific CD preparing movement patter is selected from uniform motion and reformed trapezoid motion by computer acco rding to the position Of the selected disc． We supposed two kinds Of jukebox systems according to the potential users．One kind can Used to COnnect with PC，the other to connect with VCD or DVD players． The layout Of the mechatronic control system is al SO presented in this paper．SCSI can be used in connecting CD-drivers and the computer interface which can connect several external equipments without collision．Control units can be connected to the computer by IEEE． 【key words】optical storage，CD，jukebox，micro—machine Xia Maoqiu Di rected by Huang Minzhu I【 垄垒生墨丝竺壅量堡盐 垄垒生墨丝竺壅量堡盐 ．————————————————————!堕 1引言 在人类进入21世纪后的今天，计算机技术以前所未有的速度在 全世界普及，形成全球范围的科技新浪潮。50多年前，当第一台计算 机ENIAC诞生n,J‘，被称为“计算机之父”的数学家冯·诺依曼曾预测： “全