Method for creating an environment map for an automatically moveable processing device
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Solution Overview
Problem
Existing methods for creating a map of surroundings for automatically movable processing devices, such as cleaning robots, fail to provide an intuitive and realistic representation of obstacles, as detection devices often interpret individual parts of objects rather than the objects themselves, making it difficult for users to navigate and perform tasks effectively.
Innovation Solution
The solution involves using an additional sensor to measure the distance and spatial direction from the detection device, allowing obstacle data from both sensors to be combined, enabling a more realistic representation of obstacles by capturing data from different perspectives, including height and color information, which is integrated into a virtual map for improved navigation and user understanding.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a detection device is used to detect obstacles in the vicinity of the processing device, then obstacle detection capability is provided, but the representation of obstacles is not intuitive and realistic as individual parts are detected rather than complete objects
Solution Approach 1:
The patent introduces a vertical dimension by positioning the additional sensor above the detection device at a height of 0.5 to 2 meters. This elevated perspective allows detection of complete objects and their spatial relationships, complementing the ground-level detection device that captures individual obstacle parts. The combination of ground-level and aerial views enables comprehensive obstacle representation.
Solution Approach 2:
The patent merges data from two different detection perspectives: the detection device on the processing device and the additional sensor positioned at an elevated location. By combining obstacle data, distance measurements, and position information from both sensors, the system creates a comprehensive environment map that represents complete objects rather than just individual parts.
2Ease of operation
If obstacle data from multiple sensors are combined to create a more realistic representation, then user understanding and navigation improve, but system complexity increases
Solution Approach 1:
The additional sensor serves multiple functions: it detects obstacles from an elevated perspective, measures distance to the detection device, determines spatial position, and captures color information. This multi-functional sensor reduces the need for separate components and simplifies the overall system architecture while providing comprehensive data for improved navigation.
Solution Approach 2:
The patent introduces a data processing unit that acts as an intermediary, receiving and integrating data from both the detection device and the additional sensor. This intermediary component consolidates multiple data streams into a unified environment map, managing system complexity by centralizing data fusion and presentation logic.
3Measurement precision
If the additional sensor is moved to different positions to capture comprehensive obstacle data, then obstacle representation accuracy improves, but measurement and positioning complexity increases
Solution Approach 1:
The patent replaces complex mechanical positioning systems with optical and electromagnetic measurement methods. The additional sensor uses laser-based distance measurement and color detection to determine its position and orientation relative to the detection device, eliminating the need for mechanical encoders, motors, or complex positioning mechanisms.
Solution Approach 2:
The system implements feedback by continuously measuring the distance and position between the additional sensor and the detection device. This feedback information is used to dynamically adjust and refine the environment map, ensuring accurate obstacle representation even as the processing device moves through the environment.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach results in a more intuitive and realistic environment map that allows users to recognize obstacles accurately, facilitating efficient navigation and task execution by the processing device, such as identifying furniture and determining the feasibility of passing under obstacles.
Implementation Method 1
the triangulation system measures the distance to an obstacle, which can serve as the basis for creating a map of the area
Implementation Method 2
When driving through an area, the triangulation system measures the distance to an obstacle
Data Source
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AI summary
The invention relates to a method for creating an environment map for an automatically moveable processing device (1), in particular a cleaning robot, wherein a detection device (2) of the processing device (1) detects obstacles (3, 4, 5) in the environment of the processing device (1) and an environment map of the processing device (1) is created based on detected obstacle data of the obstacles (3, 4, 5). According to the invention, in order to create an environment map for the environment of the processing device (1), which is optimal, in particular intuitive for the user to read, at least one additional sensor (6) detects obstacles (3, 4, 5) in the environment of the processing device (1), wherein the distance of the additional sensor (6) to the processing device (1) is changed and wherein the obstacle data detected by the additional sensor (6) is combined in the environment map with the obstacle data detected by the detection device (2) of the processing device (1). In addition to said method for creating an environment map for an independently moveable processing device (1), the invention also relates to a system for creating an environment map for an independently moveable processing device (1).