硬盘驱动器控制系统计算机辅助设计

嵌入式应用软件园，版权所有，请勿转载/销售。-I-硬盘驱动器控制系统计算机辅助设计摘要硬盘驱动器是计算机最重要的外存储设备。本文首先对传统的模型进行了理论、仿真分析，进而提出了转动角度的时变线性系统模型，并基于Lyapunov稳定性理论和线性矩阵不等式凸优化技术，获得了该模型的全阶状态观测器和控制器；继后，对所建立的时变线性模型的机理及性能进行了分析。本文提出了一种硬盘驱动器鲁棒自适应模糊控制方法，该方法在仿真和实验中有效地克服了跟踪扰动信号的影响，极大地提高了硬盘驱动器的跟踪速度，使系统稳态、动态性能和鲁棒性都得到很大的改善。提出的基于控制系统硬盘驱动器的方案，是为了适应硬盘驱动器空间狭小、功耗要求小、以及保持轴承等需求设计的。研究基于控制系统不仅对研发硬盘系统有意义，对其它系统的研究也有实际意义。这一实例说明了MATLAB软件可以成功的应用于线性控制系统的设计，使系统的设计非常的简便，并可以根据仿真结果分析发现控制系统存在的问题，确定系统参数，便于快速作出对系统的修改策略。使我们在科学研究、生产领域应用中获得更好的设计可靠性和研究的可靠性、节约了科研和设计成本。关键词：硬盘驱动器；控制器；线性控制系统如需此论文Word版本，单片机程序/单片机技术支持，请访问:嵌入式应用软件园。嵌入式应用软件园，版权所有，请勿转载/销售。--II-HardDiskDriveControlSystemComputerAidedDesignAbstractHarddiskdrive(HDD)isthemostimportantstoragesystemincomputers.Inthispaper,atheoreticalmodelofthetraditionalsimulationanalysis,andthentherotationangleofthetime-varyinglinearsystemsmodelLyapunovstabilitytheorybasedonLMIandconvexoptimizationtechniques.Thewholebandwasthemodelstateobserverandcontroller;followingthismeeting,buildonthetime-varyinglinearmodelofthemechanismandperformanceanalysis.Thispaperpresentsarobustadaptivefuzzycontrolmethodforharddiskdrives,inthesimulationandexperimentalmethodstoeffectivelyovercometheimpactofthetrackingsignaldisturbance.Greatlyenhancingtrackinggoods,theharddrives,makingthesystemstable,robustanddynamicperformancehasbeengreatlyimproved.Harddrivesbasedonthecontrolsystemoftheprogramaretomeettheharddiskdrivespaceislimited,thepowerrequirement,andthedemandforbearingsdesignandmaintain.Basedontheharddisksystemsinthedevelopmentofcontrolsystemsisnotonlymeaningfultothestudyofothersystemsalsohavepracticalsignificance.ThisinstanceprovesMATLABsoftwarecanapplytothedesignoflinearcontrolsystemsuccessful,makesystematicdesignverysimpleandconvenient.Thesystematicparameterisassured,accordingtoanalysisthesimulatedresultandfindtheproblemsofthecontrolsystem,inordertomakethemodificationstrategyofsystemquickly.Thecredibilityofthedesignandresearchisacquiredinthefieldsofscientificresearchandproduction.Atthesametime,thecostofthesciencestudyanddesigniseconomized.Keywords：Harddiskdrive；Controller；LinearControlSystem嵌入式应用软件园，版权所有，请勿转载/销售。-III-目录引言..............................................................................................................................................5第1章概述.................................................................................................................................6第2章硬盘驱动器....................................................................................................................82.1硬盘的概念与原理...................................................................................................................................82.2硬盘的结构...............................................................................................................................................82.3硬盘指针的设计理念...............................................................................................................................92.4硬盘驱动器的发展趋势..........................................................................................................................9第3章PID控制器.................................................................................................................103.1PID控制器概述......................................................................................................................................103.2比例控制.................................................................................................................................................113.3积分控制.................................................................................................................................................123.4微分控制.................................................................................................................................................133.5比例积分控制.........................................................................................................................................153.6比例微分控制.........................................................................................................................................16第4章控制器设计简介..........................................................................................................194.1控制系统设计的要求.............................................................................................................................194.2常用的校正方法.....................................................................................................................................194.3校正的几种方式.....................................................................................................................................194.4超前—滞后控制系统.............................................................................................................................20第5章硬盘驱动器串联校正环节的设计.............................................................................235.1频率法的超前校正............................................................................................................