Teach Pendant Robot Controller Sign Detection
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Solution Overview
Problem
In robot systems, establishing error-free communication between a teach pendant and a robot controller is challenging, especially when operational instructions need to be delivered to multiple robots, and switching communication partners is required as the operational object changes.
Innovation Solution
A robot system with a detecting section to identify signs from robots, a robot controller to manage robot operations, and an input permission section that allows operational instructions to be input only when a sign is detected, eliminating the need for manual entry of robot names or IDs, thereby ensuring accurate communication partner shifting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual entry of robot names or IDs is required to establish communication, then communication can be established between teach pendant and robot controller, but the operation becomes complex and error-prone when switching between multiple robots
Solution Approach 1:
The robot controller automatically performs the function of communication partner identification and switching based on detected signs, eliminating the need for manual ID entry by the operator. The system serves itself by autonomously establishing correct communication links when robots are present in the workspace.
Solution Approach 2:
The robot controller proactively detects the presence of robots and pre-establishes communication links before the operator needs to input instructions. By detecting signs in advance and preparing communication channels, the system eliminates the need for manual configuration at the time of operation.
2Adaptability or versatility
If the teach pendant communicates with multiple robot controllers simultaneously, then operational flexibility is improved, but communication errors occur when the wrong robot controller receives instructions
Solution Approach 1:
The robot controller uses feedback from sign detection to determine which robot is present and should receive communication. The detection result feeds back into the communication selection logic, ensuring instructions are directed to the correct robot controller based on real-time workspace conditions.
Solution Approach 2:
The system applies different communication states to different robot controllers based on local conditions. When a specific robot is detected in a specific workspace, only the corresponding robot controller is activated for communication, while others remain inactive, creating localized communication zones.
3Ease of operation
If automatic communication partner switching is implemented, then ease of operation is improved, but the device complexity increases due to adding detection and control sections
Solution Approach 1:
The robot controller is designed to perform multiple functions: it controls robot operations, detects signs of other robots, determines communication partners, and manages communication switching. By making the robot controller multi-functional, the system avoids adding separate dedicated devices for each function.
Solution Approach 2:
The detection section and communication control functions are merged into the existing robot controller architecture. Rather than adding separate detection devices and control units, the patent integrates these capabilities into the robot controller, reducing overall system complexity.
Data Source
AI summary
A robot system having a communication established between a robot controller and a teach pendant. The robot system includes a robot; a detecting section for detecting a sign received by the robot; a robot controller for controlling the robot; a teach pendant capable of communicating with the robot controller and inputting an operational instruction for the robot into the robot controller; and an input permission section for permitting input of the operational instruction from the teach pendant into the robot controller when the sign is detected by the detecting section.