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      <title>ChanJoon — #self-study</title>
      <link>https://chanjoon.github.io/tags/self-study</link>
      <description>Posts tagged "self-study" on ChanJoon</description>
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    <title>Bang-bang and Bang-singular control</title>
    <link>https://chanjoon.github.io/posts/2024-09-08-BangBangControl</link>
    <guid>https://chanjoon.github.io/posts/2024-09-08-BangBangControl</guid>
    <description><![CDATA[ Introduction “Quadrotor control for accurate agile flight” 논문에서 사용된 Bang-bang control 과 Bang-singular control 의 의미를 알아보자. ]]></description>
    <pubDate>Mon, 09 Sep 2024 00:00:00 GMT</pubDate>
  </item><item>
    <title>Pontryagin&#039; Minimum Principle</title>
    <link>https://chanjoon.github.io/posts/2024-09-06-PMP</link>
    <guid>https://chanjoon.github.io/posts/2024-09-06-PMP</guid>
    <description><![CDATA[ Pontryagin’s Minimum Principle Quote The structure of a transition maneuver is obtained by Pontryagin’s minimum principle and then a numerical algorithm is proposed to solve the boundary value problem induced by the minimum principle to compute maneuvers for arbitrary initial and final states. ]]></description>
    <pubDate>Fri, 06 Sep 2024 00:00:00 GMT</pubDate>
  </item><item>
    <title>Ill-conditioned matrix</title>
    <link>https://chanjoon.github.io/posts/2024-08-13-illConditioned</link>
    <guid>https://chanjoon.github.io/posts/2024-08-13-illConditioned</guid>
    <description><![CDATA[ Introduction Quote A poor choice of basis functions can cause the matrix H in (7.3) to be ill-conditioned for large order polynomials. ]]></description>
    <pubDate>Tue, 13 Aug 2024 00:00:00 GMT</pubDate>
  </item><item>
    <title>[Aerial Robotics] Planning and Control</title>
    <link>https://chanjoon.github.io/posts/2024-07-09-AerialRobotics_Lec3</link>
    <guid>https://chanjoon.github.io/posts/2024-07-09-AerialRobotics_Lec3</guid>
    <description><![CDATA[ 3.1 Control 2-D Quadrotor Control 앞서 Dynamics 에 대해서는 많이 살펴보았다. 1-D Quadrotor Control 에서 처럼 system modeling 을 통한 간단한 PD 제어기를 만들어보자. ]]></description>
    <pubDate>Tue, 09 Jul 2024 00:00:00 GMT</pubDate>
  </item><item>
    <title>[Aerial Robotics] Geometry and Mechanics</title>
    <link>https://chanjoon.github.io/posts/2024-07-05-AerialRobotics_Lec2</link>
    <guid>https://chanjoon.github.io/posts/2024-07-05-AerialRobotics_Lec2</guid>
    <description><![CDATA[ Geometry and Mechanics 이전 Post: Introduction 2.1 Quadrotor Kinematics Transformations 이번 강의에서는 “Rigid Body Transformations 의 주제를 다루고, 이를 위한 notation들의 정의를 한다. ]]></description>
    <pubDate>Fri, 05 Jul 2024 00:00:00 GMT</pubDate>
  </item><item>
    <title>[Aerial Robotics] Introduction</title>
    <link>https://chanjoon.github.io/posts/2024-07-02-AerialRobotics_Lec1</link>
    <guid>https://chanjoon.github.io/posts/2024-07-02-AerialRobotics_Lec1</guid>
    <description><![CDATA[ Robotics: Aerial Robotics cousera 에 오픈 강의로 열려 있는 Robotics: Aerial Robotics 를 이번 달 동안 수강해보려고 한다. 강의는 Vijay Kumar 교수님이 진행하신다. ]]></description>
    <pubDate>Tue, 02 Jul 2024 00:00:00 GMT</pubDate>
  </item><item>
    <title>[CS285] 6. Actor-Critic Algorithms</title>
    <link>https://chanjoon.github.io/posts/2024-03-18-CS285_Week6</link>
    <guid>https://chanjoon.github.io/posts/2024-03-18-CS285_Week6</guid>
    <description><![CDATA[ Lecture 6: Actor-Critic Algorithms Part 1 State &amp; state-action value functions Value function fitting 위 3개의 value function 중 어떤 것에 맞춰야 할까? \begin{align} Q^\pi(s_t,a_t)&amp;=\sum^T_{t&#039;=t}E_{\pi_\theta}[r(s_{t&#039;},a_{t&#039;})|s_t,a_t] \\ &amp;=r(s_t,a_t)+\sum^T_{t&#039;=t+1}E_{\pi_\theta}... ]]></description>
    <pubDate>Mon, 18 Mar 2024 00:00:00 GMT</pubDate>
  </item><item>
    <title>Quasi-Newton &amp; BFGS &amp; L-BFGS</title>
    <link>https://chanjoon.github.io/posts/2024-02-19-quasiNewton</link>
    <guid>https://chanjoon.github.io/posts/2024-02-19-quasiNewton</guid>
    <description><![CDATA[ Quasi-Newton Quasi-Newton method 란 무엇일까? 위키피디아 를 바탕으로 간단히 살펴보고, 어떤 알고리즘들이 주로 사용되는지와 장단점을 알아보자. ]]></description>
    <pubDate>Mon, 19 Feb 2024 00:00:00 GMT</pubDate>
  </item><item>
    <title>Transformers From Scratch</title>
    <link>https://chanjoon.github.io/posts/2024-01-01-TransformersScratch</link>
    <guid>https://chanjoon.github.io/posts/2024-01-01-TransformersScratch</guid>
    <description><![CDATA[ Transformers from Scratch LLM 을 공부하기 이전에 Attention 메커니즘과 Transformer 구조를 공부해봐야겠다고 생각하여 모아놓은 여러 자료들 중에 하나하나 세세히 설명해주는 포스트 먼저 읽어보았다. ]]></description>
    <pubDate>Mon, 01 Jan 2024 00:00:00 GMT</pubDate>
  </item><item>
    <title>Debug logging</title>
    <link>https://chanjoon.github.io/posts/2023-11-27-DebugLogging</link>
    <guid>https://chanjoon.github.io/posts/2023-11-27-DebugLogging</guid>
    <description><![CDATA[ Orin NX와 ROS 환경에서 tkDNN 환경 세팅하며 생긴 Troubleshooting 기록 Error reading file layers/g30.bin with n of float: 6591 seek: 0 size: 26364 github.com/ceccocats/tkDNN/issues/99 darknet 으로 학습시킬 때 사용한 .cfg 파일이 ./darknet export 할 때 넣어주는 것과 tkDNN/build 에 있는 ./test_&lt;custom_model&gt; 의 경로 파일과 모두 동일해야 한다. ]]></description>
    <pubDate>Mon, 27 Nov 2023 00:00:00 GMT</pubDate>
  </item><item>
    <title>Implement MPCC with ACADO Toolkit</title>
    <link>https://chanjoon.github.io/posts/2023-09-12-ImplementMPCCwithACADOToolkit</link>
    <guid>https://chanjoon.github.io/posts/2023-09-12-ImplementMPCCwithACADOToolkit</guid>
    <description><![CDATA[ Implement MPCC with ACADO Toolkit 이전에 정리해둔 2023-08-18-ImplementingMPCCwithACADO에서 Cost function이 acado를 사용하기에 맞지 않게 정리되었음. ]]></description>
    <pubDate>Tue, 12 Sep 2023 00:00:00 GMT</pubDate>
  </item><item>
    <title>Implementing MPCC with ACADO</title>
    <link>https://chanjoon.github.io/posts/2023-08-18-ImplementingMPCCwithACADO</link>
    <guid>https://chanjoon.github.io/posts/2023-08-18-ImplementingMPCCwithACADO</guid>
    <description><![CDATA[ Implementing MPCC with ACADO Todo Update 이전 todo로 작성한 목록들을 업데이트 Gauss-Newton Hessian approximation [-] Explicit Runge-Kutta (ERK) / Implicit Runge-Kutta (IRK) Variational Differential Equations (VDE) [-] LSQ에서 coefficient matrix를 어떤 식으로 설정하는지 → coefficient matrix는 Q-norm을 QP로 바꿔주면서 각 state vector에 맞... ]]></description>
    <pubDate>Fri, 18 Aug 2023 00:00:00 GMT</pubDate>
  </item><item>
    <title>Recursive Bayesian Estimation</title>
    <link>https://chanjoon.github.io/posts/2023-08-03-RecursiveBayesianEstimation</link>
    <guid>https://chanjoon.github.io/posts/2023-08-03-RecursiveBayesianEstimation</guid>
    <description><![CDATA[ Recursive Bayesian Estimation self-study Reference Link robot localization에서 사용하는 방법 중 하나인 Recursive Bayesian Estimation에서 알아보자. ]]></description>
    <pubDate>Thu, 03 Aug 2023 00:00:00 GMT</pubDate>
  </item><item>
    <title>Paper Review: PAMPC: Perception-Aware Model Predictive Control for Quadrotors</title>
    <link>https://chanjoon.github.io/posts/2023-07-28-PaperReviewPAMPCPerceptionAwareModelPredictiveControlforQuadrotors</link>
    <guid>https://chanjoon.github.io/posts/2023-07-28-PaperReviewPAMPCPerceptionAwareModelPredictiveControlforQuadrotors</guid>
    <description><![CDATA[ Paper Review: PAMPC: Perception-Aware Model Predictive Control for Quadrotors paper arxiv Introduction quadrotor에 MPC 제어를 적용한 논문 중 소스코드를 오픈해놓은 PAMPC 논문을 살펴보았다. ]]></description>
    <pubDate>Fri, 28 Jul 2023 00:00:00 GMT</pubDate>
  </item><item>
    <title>ACADO Toolkit Study</title>
    <link>https://chanjoon.github.io/posts/2023-07-18-ACADOToolkitStudy</link>
    <guid>https://chanjoon.github.io/posts/2023-07-18-ACADOToolkitStudy</guid>
    <description><![CDATA[ ACADO Toolkit Study Code Generation Tool 앞서서 ACADO 사용법은 메뉴얼과 튜토리얼을 통해 익혔고, ACADO에서 제공하는 CGT를 사용하는 방법에 대해 알아보자. ]]></description>
    <pubDate>Tue, 18 Jul 2023 00:00:00 GMT</pubDate>
  </item><item>
    <title>ACADO Toolkit study</title>
    <link>https://chanjoon.github.io/posts/2023-07-17-ACADOToolkitstudy</link>
    <guid>https://chanjoon.github.io/posts/2023-07-17-ACADOToolkitstudy</guid>
    <description><![CDATA[ ACADO Toolkit study Tutorials A Guiding Example: Time Optimal Control of a Rocket Flight 아래는 첫번째 예제에 대한 수식이다. ]]></description>
    <pubDate>Mon, 17 Jul 2023 00:00:00 GMT</pubDate>
  </item><item>
    <title>Iterative Closest Point (ICP)</title>
    <link>https://chanjoon.github.io/posts/2023-06-22-ICP</link>
    <guid>https://chanjoon.github.io/posts/2023-06-22-ICP</guid>
    <description><![CDATA[ SLAM 스터디 ppt SLAM 이란? 왜 이것을 공부하고자 하였는지? Basic Mathematics - Linear Algebra Introduction to SLAM Self-Driving Lectures 7.1~7.3 SLAM Roadmap 3DVFH* / VINS-Mono Iterative Closest Point (ICP) Kabsch algorithm the rotation of P into Q starts with two sets of paired points, P and Q. ]]></description>
    <pubDate>Thu, 22 Jun 2023 00:00:00 GMT</pubDate>
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