Remote Robot Hand Feedback Using Filtered Acceleration Signals
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Solution Overview
Problem
In remote control systems for robots, operators face challenges in accurately grasping the work situation due to noise interference, making it difficult to perform desired tasks effectively.
Innovation Solution
A robot system equipped with a robotic arm, an end effector, and an acceleration sensor that outputs acceleration signals as perceptual information, filtered to remove unnecessary noise, allowing for clearer sound and force feedback through a speaker or vibrator, enabling precise remote operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If a microphone is used to supply sound information from the robot end, then the operator can hear the work situation, but all factory noise is also supplied making it difficult to accurately grasp the work situation
Solution Approach 1:
The patent extracts only the useful sound information related to the work situation from the mixed factory noise by using a microphone at the robot end and selectively transmitting only relevant audio signals through the network to the operation terminal, separating useful information from harmful noise
Solution Approach 2:
The network system acts as an intermediary that receives mixed sound signals from the robot end, processes them to extract work-related audio information, and transmits only the filtered useful information to the operation terminal, blocking factory noise in the transmission process
2Ease of operation
If video information and sound information are supplied to the operation terminal, then the operator can remotely operate the robot, but the noise interference makes it difficult to accurately grasp the work situation
Solution Approach 1:
The system extracts and transmits only the useful sound information related to work operations from the robot end, separating it from harmful factory noise, thereby maintaining remote operation capability while improving perception accuracy
Solution Approach 2:
The patent changes the parameter of sound information transmission by selectively filtering and transmitting only specific frequency ranges or types of audio signals that are relevant to work situations, rather than transmitting all sound signals equally
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
The system ensures accurate remote operation of robots by filtering out factory noise, providing clear sound and force feedback, thus ensuring desired work outcomes.
Implementation Method 1
an acceleration sensor attached to the end effector
Implementation Method 2
the perceptual-information output part may be a speaker configured to output the acceleration signal as the sound information
Implementation Method 3
the perceptual-information output part may be a vibrator configured to output the acceleration signal as the exciting-force information
Data Source
AI summary
A robot system includes a robot configured to perform a work to a workpiece, and a user interface configured to remotely manipulate the robot. The robot includes a robotic arm, a robot hand attached to the robotic arm and configured to perform the work to the workpiece, and an acceleration sensor attached to the robot hand. The robot system further includes a speaker configured to output an acceleration signal from the acceleration sensor as perceptual information.