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五自由度机械手的抓取设计

ClassifiedIndexUDC:

XihuaUniversity

MasterDegreeDissertation

TheGrabDesignoftheFive--DOFManipulator

Candidate:ChengliyanMajor

:Mechanical

ManufacturingandAutomation

StudentID:212009080201004Supervisor:Prof.Feiling

May,2012西华大学学位论文独创性声明IIIIIIIIIIIIIl

Y2113113

作者郑重声明:所呈交的学位论文,是本人在导师的指导下进行研究工作所取得的成果。尽我所知,除文中已经注明引用内容和致谢的地方外,本论文不包含其他个人或集体已经发表的研究成果,也不包含其他已申请学位或其他用途使用过的成果。与我一同工作的同志对本研究所做的贡献均已在论文中做了明确的说明并表示了谢意。

若有不实之处,本人愿意承担相关法律责任。学位论文作者签名:黼指导教师签名:日期:沙M6日期聊.六

西华大学学位论文版权使用授权书本学位论文作者完全了解学校有关保留、使用学位论文的规定,在校攻读学位期间论文工作的知识产权属于西华大学,同意学校保留并向国家有关部门或机构送交论文的复印件和电子版,允许论文被查阅和借阅,西华大学可以将本论文的全部或部分内容编入有关数据库进行检索,可以采用影印、缩印或扫描等复印手段保存和汇编本学位论文。(保密的论文在解密后遵守此规定)

学位论文作者签名:昶云孢指导教

日期:沙/厶6.6日期五自由度机械手的抓取设计AbstractSincetwenty.firstCentury,robottechnologydevelopsrapidly

asone

oftheforefrontof

11igh—technology.androbotsarewidelyusedinallwalksoflife.Inindustry,it

ismainlyused

forwelding,assembly,handling,processing,spraying,palletizing

andothercomplex

operations.Robottechnologyistheinnovativeand

hightechnology,which

combines

multi—disciplinarians,suchascomputer,control

theory,mechanism,information

andsensor

technology,artificialintelligence,bionics.Theapplicationofrobotrepresentsa

national

high-techlevelandthedegreeofindustrialautomation.Atpresent,the

domesticautomatic

palletizingandhandlingequipmentmainlyrelyon

imports,domesticequipmentmanufacturersisrelativelyfewandhandlingrobottechnology

is

notvery

mature.Thecontradiction

betweenlowefficiencyandyieldincreasingofour

manual

isprominentincreasingly,thereforetheresearchoftherobothasgreateconomicmeaningandthepracticalsignificance.

Thesystemapplicationofmechanicalhandisusedinmoving,graspingwithriceasthe

objectstudiesinthistopic.Mechanicalpart,drivepartandcontrolpart

oftherobot

are

designedaccordingtothericehandlingcondition.Basedonthemechanicalstructuredesign,

workingspaceanalysisissimulatedborrowingfromtheforwardkinematicsresultsusing

MATLABsoftware.Thesimulationresultsshowthat,thedesignofmotionschemefor

manipulatormeetsthespacerequirementsinthissubject,thatismanipulatormovementsmeettherequirementsforrangeofmotion,includingwaistturning,big

armvertical

direction,

smallarmhorizontal

telescopic,wristpitch

movementandthegripperopeningand

closing

movement.ThechipDSPTMS320F2812isusedformaincontrol,steppermotormotion

state

iscontrolledbythechipthroughthecollectedsignalfeedbackoftheproximityswitchanda

tactilesensor.Onthebasis,hardware

connection

diagram,manipulatorcontrolmainprogram,

tactileandslipsignaldataprocessingprogram

andcontrolchartofthe

stepper

motor

are

designed,completingthecontrolsection

designofmechanicalhand.Thedesignof

grasping

objectsformechanicalhandiscompletedtheoreticallythroughthedesignofmechanical

system,drivesystemandcontrolpartofthe.robotinthispresentpaper.

KeyWords:Grabbingmanipulator;MATLABsimulation;TMS320F2812;stepper

motor

II西华大学硕士学位论文目录摘要………………………………………………………………………………….IAbstract….......………........………......…….........….……..........….......……......……..........………..II1绪论………………………………………………………………………………………………11.1研究背景及意义………………………………………………………………11.2国内外研究现状及发展趋势…………………………………………………21.2.1国内外研究现状………………………………………………………21.2.2发展趋势………………………………………………………………41.3存在问题的分析………………………………………………………………41.4研究内容及章节安排…………………………………………………………51.4.1主要研究内容…………………………………………………………51.4.2具体章节安排…………………………………………………………52.1设计原则………………………………………………………………………72.2工况分析………………………………………………………………………82.2.1工作对象简介…………………………………………………………82.2.2大米搬运流程…………………………………………………………92.2.3工作空间参数设计…………………………………………………..102.2.4工作任务要求………………………………………………………..102.3机械手的组成……………………………………………………………….11

2.3.1执行机构……………………………………………………………一1

2.3.2驱动机构……………………………………………………………..122.3.3控制系统……………………………………………………………..133机械部分设计………………………………………………………………………143.1运动方案确定……………………………………………………………….143.2传动与驱动方式的分析选择……………………………………………….163.2.1传动方式的分析选择………………………………………………..163.2.2步进电机选型………………………………………………………一203.3.1手部…………………………………………………………………一23

3.3.2腕音B…………………………………………………………………………………………273.3.3臂部…………………………………………………………………..283.3.4腰部及机座…………………………………………………………..304运动学仿真分析……………………………………………………………………32

III

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