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Perseverance rover view across a Martian boulder field annotated with blue AutoNav wheel paths
Image: NASA/JPL-Caltech ↗
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Autonomous Navigation

Autonomous navigation combines perception, localization, planning and control so a machine can move toward goals with limited direct human input.

ConfirmedLast updated Aug 20, 2026来源 ↗

How it works

Sensor data informs a state estimate; planners choose feasible paths; controllers execute commands while monitoring hazards and progress.

Sense, plan, act Sensor data informs a state estimate, planners choose a feasible path, and controllers execute the commands while monitoring hazards and progress, which returns the machine to sensing. 01 Sense PERCEPTION · LOCALIZATION Sensor data informs a state estimate 02 Plan PATH PLANNING Planners choose a feasible path 03 Act CONTROL Controllers execute the commands Monitor hazards and progress, then sense again Sense, plan, act Sensor data informs a state estimate, planners choose a feasible path, and controllers execute the commands while monitoring hazards and progress, which returns the machine to sensing. 01 Sense PERCEPTION · LOCALIZATION Sensor data informs a state estimate 02 Plan PATH PLANNING Planners choose a feasible path 03 Act CONTROL Controllers execute the commands Monitor hazards and progress, then sense again
The loop repeats for as long as the machine is moving toward its goal.

Why it matters

Navigation is foundational for mobile robots, drones, vehicles and planetary rovers.

Advantages

  • repeatable mobility
  • reduced continuous operator workload
  • operation in hazardous environments

Limitations

  • edge cases and changing environments
  • safety assurance
  • sensor and map dependencies
A definition is a starting point.

Capabilities depend on implementation, operating environment, training data, hardware and safety controls. Follow the connected records and sources before generalizing.

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