English

本文作者分享了从机械工程到计算机科学领域的学习历程及工作经验。涵盖了从技术学校的学习经历到在不同公司担任程序员、系统分析师等职位的职业生涯。特别强调了在实际工作中对计算机语言和技术的应用。

  I have the honor to present a brief introduction of myself to you in compliance with the requirements of your graduate admission
I was born in November 7th, 1966, at the town of Changing, Beijing. My parents are doing business and farming. I have one elder sister, one younger sister, and two younger brothers. The family is in a well-to-do country with harmonized atmosphere.

  After my elementary and junior high school education at my hometown, I went on my senior high school education at a public vocational technical high school at the neighboring county Fangshan. Courses I have taken there include: mechanical structure, applied mechanical dynamics, material strength, heat treatment analysis, and electrical engineering. I also had practice courses on lathe work, bench work, casting, engineering drawing, and electronic television repair skill. After graduation from this technical school, I found a job at the Evergreen Traffic Corp. When I had worked one year in mechanical design and heat treatment analysis, I was admitted to the Computer Science Department of Beijing Institute of Technologies.

  Computer science education was an extension of my pursuit in electronic knowledge, it had led me into the world of applied electronics. Courses I had taken are: Calculus, Computer Programming (FORTRAN, COBOL, ASSEMBLY, and BASIC), Computer architecture, algorithm, maintenance, system analysis, and some related courses in Accounting, Statistics, Operating research, Digital value analysis.

  Beginning at the second year of college, I participated in a work study program and was assigned to the computer center of Far East Textile Corp. as night-shift computer operator, The computers I dealt with were CDC 3300 MSOS and IBM 370-115 DOS/VS system. The major work I had done was the system transference of CDC 3300: MSOS to IBM 370-115 DOS/VS.

  In 1989, I was employed by China Automobile Corp. as a computer programmer, and was informed to work on the first of June.

  For the first six months of my service, I was in charge of the IBM 4331; DOS/ VSE System Operation, and later on dealt with personnel / payroll and financing system programming works. In the second year, I was promoted to be a system analyst for personnel/ payroll system. In an attempt to upgrade the efficiency of computer data process and to simplify users operating procedures, I redesigned the whole working system and I successfully transferred a Batch operation from oriented system to on-line system. In the third year, I spent five months in the developing of subsystem of financing-accounting. No sooner had I finished that system than I was reassigned as a Subsystem Programmer in charge of DOS / VSE, CICS, and VTAM. At that position I have full responsibility for affairs of technical transition, system development, recruit training, and network communications.

  With the elapse of time and the accumulation of experiences, I am now familiar with all of the popular computer languages: FORTRAN, COBOL, ASSEMBLY, and BASIC. Other than these languages, I have also learned and practiced in planning, designing, and analyzing of the following computer applications: DL/ 1, Data Base, On-line (CICS, BMS), Data Communication Network (ACF/ VTAM / NCP), VM, DOS / VSE Operating System: Personnel / Payroll, Accounting Application System and etc.. For these achievements I owe a great deal to China Information Association Since I have taken almost every training course they have offered.

  With the ever-increasing level of my work, I am feeling strongly that the theoretical study and actual practice are equally important and dependent on each other. Though I personally possess many years of experiences in actual practices, there is always need for me to extend my existing theoretical basis for future research. My love for computer sciences and my inquisitiveness had pushed me to apply for your graduate school admission, and I have decided . should I be accepted by you, I will concentrate on the field of net-work-data-communication, then make a breakthrough on my current ways of thinking in computer related research and development. Finally, I expect that I, myself, as one member of today's world of computer domain, I should strive to offer my best professional computer service to our society.

【四轴飞行器】非线性三自由度四轴飞行器模拟器研究(Matlab代码实现)内容概要:本文围绕非线性三自由度四轴飞行器模拟器的研究展开,重点介绍了基于Matlab的建模与仿真方法。通过对四轴飞行器的动力学特性进行分析,构建了非线性状态空间模型,并实现了姿态与位置的动态模拟。研究涵盖了飞行器运动方程的建立、控制系统设计及数值仿真验证等环节,突出非线性系统的精确建模与仿真优势,有助于深入理解飞行器在复杂工况下的行为特征。此外,文中还提到了多种配套技术如PID控制、状态估计与路径规划等,展示了Matlab在航空航天仿真中的综合应用能力。; 适合人群:具备一定自动控制理论基础和Matlab编程能力的高校学生、科研人员及从事无人机系统开发的工程技术人员,尤其适合研究生及以上层次的研究者。; 使用场景及目标:①用于四轴飞行器控制系统的设计与验证,支持算法快速原型开发;②作为教学工具帮助理解非线性动力学系统建模与仿真过程;③支撑科研项目中对飞行器姿态控制、轨迹跟踪等问题的深入研究; 阅读建议:建议读者结合文中提供的Matlab代码进行实践操作,重点关注动力学建模与控制模块的实现细节,同时可延伸学习文档中提及的PID控制、状态估计等相关技术内容,以全面提升系统仿真与分析能力。
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