Robot Coordinate Conversion for Visual Position Correction
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Solution Overview
Problem
In robot systems, users face difficulties in creating control programs to correct the position of a robot when the relative positional relationship between the workpiece and the robot changes, requiring advanced knowledge of data formats and coordinate systems, making it challenging to handle such corrections intuitively.
Innovation Solution
A control device with a detection result acquisition unit, a coordinate system data output unit, and an instruction generation unit that acquires and processes detection data from a visual sensor to generate instructions for the robot, allowing users to easily correct the robot's position based on detected changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a user creates a control program to correct the robot's position based on visual sensor detection results, then the robot can appropriately handle workpieces with positional shifts, but the user requires advanced programming knowledge including data formats and coordinate systems
Solution Approach 1:
The control device acts as an intermediary between the visual sensor and the robot control system. It automatically performs coordinate system conversion and position correction calculations, mediating the complex data processing requirements so that users only need to input simple detection results without needing to understand coordinate transformations or data format conversions
Solution Approach 2:
The control device performs self-service by automatically executing the position correction process. Upon receiving detection results from the visual sensor, the control device autonomously converts coordinates, calculates correction values, and generates corrected motion instructions without requiring user intervention in the complex programming aspects of coordinate system management
2Ease of operation
If the control device automatically converts coordinate systems and generates correction instructions, then user programming burden is reduced, but the control device complexity increases
Solution Approach 1:
The control device integrates multiple functions into a single unified system: it serves as both the coordinate system conversion engine and the robot motion instruction generator. By consolidating these functions, the device achieves multi-functionality that reduces the need for separate specialized components, thereby managing complexity while providing comprehensive automated correction capabilities
Data Source
AI summary
A control device includes: a detection result acquisition unit which acquires first information corresponding to a detection result obtained through detecting, by means of a visual sensor, the relative positional relationship between a robot and an object; a coordinate system data output unit which, on the basis of the first information, outputs first coordinate system data as data representing a coordinate system that serve as the basis when operating the robot; and a command generation unit which generates a command for the robot on the basis of the first coordinate system represented by the first coordinate system data.