Wireless Robot Controller Speed Adjustment for Command Delay
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Solution Overview
Problem
In wireless robot systems, degraded communication environments can cause transmission data delays, leading to inefficiencies and safety risks during teaching operations as the robot may not receive operation commands in a timely manner.
Innovation Solution
A robot controller with a reception unit, delay detection unit, and speed setting unit that detects data delays and adjusts the robot's movement speed to a lower second speed when delays occur, ensuring safety and maintaining operation efficiency by setting the speed to a value less than the initial speed but greater than zero.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the robot stops when transmission data is delayed, then safety is ensured, but teaching operation efficiency decreases
Solution Approach 1:
The robot controller dynamically adjusts the robot's movement speed based on the delay status of transmission data. When delay is detected, the speed is reduced to a second speed (greater than zero but less than the first speed); when no delay is detected, the speed is set to the first speed. This dynamic speed adjustment maintains safety while preventing complete stoppage, thereby resolving the contradiction between safety and teaching operation efficiency.
2Ease of operation
If wireless communication is used for operation input, then ease of operation is improved, but communication reliability deteriorates due to environmental influence
Solution Approach 1:
The robot controller implements a feedback mechanism by detecting the delay status of transmission data received via wireless communication. The delay detection unit monitors whether transmission data arrives within the expected time window, and based on this feedback, the speed setting unit adjusts the robot's movement speed accordingly. This feedback loop maintains communication reliability by adapting system behavior to actual communication conditions while preserving the ease of wireless operation.
Data Source
AI summary
A robot controller for controlling a robot includes a reception unit configured to receive, by wireless communication, transmission data containing an operation command for the robot, a delay detection unit configured to detect a delay of the received transmission data from a scheduled arrival time, and a speed setting unit configured to set, when the delay is detected, a movement speed when the robot moves in accordance with the operation command to a 2nd speed which is less than a 1st speed set when the delay is not detected and which is greater than zero.