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Preliminary and Technical Review
Optimization-based Trajectory Planning
Search-based Trajectory Planning
Conclusion and Future Work
Various mobile platforms
MAVs are capable of VTOL and 3D motions
A fully autonomy MAV
Control Diagram
How to evaluate planner(metrics):
Related work
Path planning(只包含空间信息)
Trajectory planning(包含时空信息)
Unconstrainted QP(非限制二次规划)
MIP(Mix Integer Programming)(找到空中走廊,计算复杂,比较慢)
local planner
确定性 vs 随机性
Unconstrained QP
Waypoint Constraints:
连续性(空间、速度、加速度、角速度、角加速度等)
Problem revisit
Motion primitives(运动原语,可执行的最小的移动单元)
sampling in state space、
sampling in control space
comparing to optimization-based method
List of contents:
Motion uncertainty
Motivations
High control authority is impractical
Real-world environmental factors : wind, air-drag, wall effect.
Over-inflating obstacles is not a complete solution
能量场
Limited FOV
Challenges in real world navigation
Desired yaw is non-linear and coupled:
Requirement for safe navigation:
Add yaw cost and enforce a hard yaw constraint
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