OSCON 2010 大会的PPT(下)

本次技术大会涵盖了从大数据处理到移动应用开发的多个主题,包括Hadoop、Cassandra等大数据技术的应用,以及Android和iOS移动平台的最新开发技巧。演讲者们分享了如何使用这些技术和工具来解决实际问题。

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Hacking Frequent Flyer Programs

Hacking IRL_ Crafting for the Modern Geek Presentation

Hadoop, Pig, and Twitter Presentation

Hands-on Cassandra Presentation

Hardware Hacking 101 Presentation

Harnessing Java with Scala Presentation

High Wizardry in the Land of Scala Presentation

How to Boot Linux on the Beagle Board Presentation

How to Build a Large, Distributed System to Operate at Scale Presentation

HTML5's Multimedia Future

Human Resources Information Systems (HRIS) for Health in Low-Resource Settings Presentation

Ingex: Bringing Open Source to the Broadcast Industry

Instant Mobile Communities Presentation

Introduction to 3D Animation with Blender Presentation

Introduction to Developing MeeGo Applications and Taking Advantage of the Intel Atom Developer Program _ Intel’s AppUp Center Presentation

Introduction to Django Paper 1

Introduction to MongoDB Presentation

Introduction to Open Source VistA EHR Presentation

Introduction to Web Application Development Using Smalltalk Seaside Presentation 1

Is the Enterprise Ready for the Cloud_ Presentation

Is Your Data Free_ Presentation

jQuery UI_ Rich Interactivity, Simplified Presentation

Mahout_ Mammoth Scale Machine Learning Presentation

Managing Street Addresses in San Francisco with Open Source Presentation

Marten Mickos Presentation

Mastering Perl - CANCELED Presentation

membase_org_ The Simple, Fast, Elastic NoSQL Database Powering FarmVille is now an Open Source Project Presentation

Moose is Perl_ A Guide to the New Revolution Presentation

Moving to the Cloud with NYTimes_com Presentation 1

MySQL Bottleneck Hunters – How Schooner Increased MySQL Performance by 8x Presentation

No Callbacks, No Threads_ Async _ Cooperative Web Servers with Ruby 1_9 Presentation 1

Node_js and How JavaScript is Changing Server Programming Presentation

NPR: APIs, Mobile and Open Source

Observing and Optimizing your Application with DTrace Presentation

Off the Beaten Path_ Using Rails in the Enterprise Presentation

ooc -A Hybrid Language Experiment Presentation

Open Government - San Francisco Presentation 1

Open Identity for Open Government Presentation

Open SETIQuest - It Will Be What You Make It! Presentation

Open Source and the Federated Social Web

Open Source Compliance Meets Supply Chain Management Presentation

Open Source E-Publishing Tools Presentation

Open Source Mobile Platform and App Development Workshop (Sponsored Tutorial) Presentation 1

Open Source Telecommunications_ Enabling Anyone to Build a Bad Telephony Application Presentation

Open Source Tool Chains for Cloud Computing

Open Source’s Role in CONNECTing the Public and Private Sector Healthcare Communities Presentation 2

Open Stack for Open Payments Presentation

Opportunities for Students to Contribute to FOSS Projects Presentation

Pegarus and Poison_ Rubinius VM as a Multi-Language Platform Presentation

Perl - still saving the human genome project(s) Presentation

PHPUnit Best Practices Presentation

Plack_ State of the Art Web Framework Superglue Presentation

Powerful Pythonic Patterns Presentation

Practical Python Patterns Presentation

Programming Healthcare Silos

Programming WebSockets Presentation

Public Static Void Presentation

Punching the Clouds Presentation

Python _ Finance_ US Government Mandates, Financial Modeling, and Other Snakes in the Grass Presentation

Quality Assurance in PHP Projects Presentation 1

Reconnoiter: Monitoring and Trend Analysis

Reinventing How America Votes Through Open Source Solutions Presentation

Repent!!! For the End of the Unix Epoch is Nigh!!! Presentation

Rewiring Android with Scala Presentation

Rewrite or Refactor_ When to Declare Technical Bankruptcy Presentation

Ruby and Mirah on App Engine Presentation

Scaling SourceForge with MongoDB Presentation

Scratching the 40-Year Itch of Inheritance with Smalltalk-style Traits Presentation

Sharding for the Masses Presentation 1

So, You Think You Want to Start an Open Source Business_ Presentation

Software Control of Home Automation Systems Presentation

Specs _ Scala, Tips and Tricks for a Friendly DSL Syntax Presentation

Taking OpenEMR, a GPL EMR to ARRA Meaningful Use Certification and beyond Presentation 2

Test and Behavior Driven Development in JavaScript Presentation

Test Driven Database Development Presentation

Testing from Unit to Functional, Integration to Acceptance

The D Programming Language Presentation

The Future of Open Source Presentation

The Gearman Cookbook Presentation 1

The Government and Cloud Presentation

The NoSQL Ecosystem Presentation

The Project HealthDesign Common Platform_ Enabling Innovative Uses of Health Data by Personal Health Applications Presentation

The Seductions of Scala Presentation

The VA and VistA_ A Role Model for Radical Improvement of Health Systems Everywhere Presentation

Thinking Hard About the Future

Tomcat Webapp Security Presentation 1

Top 10 Perl Performance Tips

Tricking out your Memcached Setup Presentation

Understanding and Optimizing your Code with Devel__NYTProf Presentation

Upgrading to Rails 3 Presentation

Upgrading to Ubuntu Server Edition 10_04LTS Presentation 1

Using Drizzle Presentation 1

Using the Neo4J Graph Database to Build a High Performance Social Network Presentation

vxVistA_org Community Collaboration Web Portal Uses Atlassian Open Source Web Tools to Deploy vxVistA-OS EHR Presentation

Web Services_ How Can Open Source Software Compete_ Presentation

What is Google App Engine_ Presentation

What We Need are Standards in the Cloud Presentation

Whiskey, Tango, Foxtrot: Understanding API Activity

Why Scala_ Presentation 1

Writing GIMP Plug-ins and Scripts

Writing Zippy Android Apps

Your Infinite Do-Loop Exercises Bores Me Presentation

Your Smartphone May Not Be as Open as You Think Presentation

资源下载链接为: https://pan.quark.cn/s/790f7ffa6527 在一维运动场景中,小车从初始位置 x=-100 出发,目标是到达 x=0 的位置,位置坐标 x 作为受控对象,通过增量式 PID 控制算法调节小车的运动状态。 系统采用的位置迭代公式为 x (k)=x (k-1)+v (k-1) dt,其中 dt 为仿真过程中的恒定时间间隔,因此速度 v 成为主要的调节量。通过调节速度参数,实现对小车位置的精确控制,最终生成位置 - 时间曲线的仿真结果。 在参数调节实验中,比例调节系数 Kp 的影响十分显著。从仿真曲线可以清晰观察到,当增大 Kp 值时,系统的响应速度明显加快,小车能够更快地收敛到目标位置,缩短了稳定时间。这表明比例调节在加快系统响应方面发挥着关键作用,适当增大比例系数可有效提升系统的动态性能。 积分调节系数 Ki 的调节则呈现出不同的特性。实验数据显示,当增大 Ki 值时,系统运动过程中的波动幅度明显增大,位置曲线出现更剧烈的震荡。但与此同时,小车位置的变化速率也有所提高,在动态调整过程中能够更快地接近目标值。这说明积分调节虽然会增加系统的波动性,但对加快位置变化过程具有积极作用。 通过一系列参数调试实验,清晰展现了比例系数和积分系数在增量式 PID 控制系统中的不同影响规律,为优化控制效果提供了直观的参考依据。合理匹配 Kp 和 Ki 参数,能够在保证系统稳定性的同时,兼顾响应速度和调节精度,实现小车位置的高效控制。
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