Trajectory Planning

조환영·2023년 8월 9일

Planning

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[18주차]

TIL

Frenet Frame

  • Cartesian -> Frenet

  • Frenet -> Cartesian

Optimal Trajectory Planning

  • Polynomial Trajectory Generation

  • Combining Longitudinal and Lateral Trajectories

  • Trajectory check

  • Optimal Trajectory Selection

Collision Check Algorithms

  • Using Apporoximation (Approximating as circles)

  • Exact Methods (Separating Axis Theorem)

MPC


18주차 skill set

1) Cartesian <-> Frenet 좌표계에 대한 이해와 변환을 할 수 있다.
2) 5차 Polynomial을 사용하는 이유를 설명할 수 있다.
3) 종, 횡방향 Trajectory를 이해할 수 있다.
4) 충돌 확인 알고리즘의 두가지 방법을 설명할 수 있다.
5) MPC가 무엇인지 간략하게 설명할 수 있다.



학습내용

[1] Frenet Frame


[2] Optimal Trajectory Planning

1) Polynomial Trajectory Generation

2) Combining Longitudinal and Lateral Trajectories & Trajectory check

3) Optimal Trajectory Selection


[3] Collision Check Algorithms


[4] MPC


<출처>
(1) Programmers K-Digital-Training: 자율주행 데브코스 Planning & Control, Trajectory Planning
(2) Moritz Werling, et al. (2010). Optimal Trajectory Generation for Dynamic Street Scenarios in a Frenet Frame. IEEE Conference on Robotics and Automation.

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자율주행 TIL(Today I Learned) 기록

2개의 댓글

comment-user-thumbnail
2023년 8월 9일

많은 도움이 되었습니다, 감사합니다.

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comment-user-thumbnail
2025년 9월 25일

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