Map Data Providing Device for Autonomous Robots
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Solution Overview
Problem
Autonomous mobile robots face reduced positional accuracy and inefficient memory usage due to receiving map data that includes areas outside their operational range, leading to suboptimal operation and increased memory consumption.
Innovation Solution
A map data providing device that acquires activity range data to determine the appropriate coordinate system and origin for map data, providing only the necessary map data to the robot, thereby optimizing memory usage and improving positional accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If map data including the entire area is provided to the movable apparatus, then the apparatus can operate in any section, but the memory capacity is used more than necessary
Solution Approach 1:
The map data is segmented into multiple sections based on the activity range. Instead of providing the entire map data, only the relevant section corresponding to the movable apparatus's activity range is extracted and provided, reducing memory usage while maintaining operational capability within the designated area.
Solution Approach 2:
The necessary portion of map data is extracted from the complete map data based on the activity range information. By taking out only the relevant section that corresponds to where the movable apparatus actually operates, the system reduces memory consumption without sacrificing adaptability within the operational area.
2Ease of operation
If the movable apparatus operates in a section away from the origin of the map, then it can work in specific areas, but the positional accuracy based on rotation estimation deteriorates
Solution Approach 1:
The coordinate system origin is dynamically adjusted to match the movable apparatus's activity range. By making the origin coincide with the activity range rather than using a fixed map origin, the system maintains optimal positional accuracy for rotation estimation while allowing operational flexibility in the designated area.
Solution Approach 2:
The coordinate system parameters (origin position) are changed to optimize performance. By setting the origin at the activity range center rather than the map origin, the system improves measurement precision for positional estimation while preserving operational flexibility within the activity range.
Data Source
AI summary
In order to provide a map suitable for a movable apparatus that operates autonomously, a map data providing device includes an activity range data acquisition unit configured to acquire activity range data indicating an activity range in which a movable apparatus operates autonomously, a determination unit configured to determine a coordinate system and origin of map data to be provided to the movable apparatus based on the activity range data, and a map data providing unit configured to provide the map data based on the coordinate system and origin determined by the determination unit to the movable apparatus.