Mediated Dialogue System for Robot Attachment
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Solution Overview
Problem
Service robots with voice recognition and speech functions face challenges in providing smooth and effective communication due to environmental noise and limitations in speech recognition accuracy, leading to a disconnect between user attachment to the robot and the robot itself, especially when the user interacts with a mobile terminal.
Innovation Solution
A dialogue apparatus and control program that includes a display unit, first and second dialogue control units, and a transmission unit to simulate the speech function of an external communication robot, allowing users to communicate with a character that mediates dialogue between the user and the robot, reducing stress and enhancing attachment by transmitting dialogue information to the external robot.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the user communicates with the external communication robot directly in a noisy environment, then the speech recognition accuracy deteriorates, but the communication smoothness and depth are improved
Solution Approach 1:
The patent introduces a mobile terminal as an intermediary device between the user and the external communication robot. The mobile terminal captures the user's speech in a noisy environment, processes it through a high-performance dialogue system, and transmits the processed dialogue information to the robot. This mediator approach allows the user to communicate smoothly without directly exposing the robot to environmental noise, thereby maintaining both speech recognition accuracy and communication smoothness.
2Adaptability or versatility
If the communication robot has limited availability at specific locations, then the user's attachment to the robot is reduced, but the robot's operational constraints are maintained
Solution Approach 1:
The patent enables the communication system to function in multiple modes: the robot can operate both as a physical presence in its designated location and as a remote communication partner via the mobile terminal. The dialogue system is designed to handle both direct interaction with the robot and mediated interaction through the terminal, making the system universally applicable regardless of the robot's physical availability. This multi-functionality enhances user attachment while respecting the robot's operational constraints.
3Productivity
If the mobile terminal provides high-performance dialogue processing, then the communication depth is improved, but the robot's ability to independently communicate deteriorates
Solution Approach 1:
The patent segments the dialogue processing functionality into two parts: the mobile terminal handles complex dialogue processing and provides high-performance dialogue capabilities, while the robot maintains its basic speech recognition and speech output functions. The system transmits dialogue information between these segmented components, allowing each to operate within its capabilities. This segmentation enables the mobile terminal to enhance communication depth while the robot maintains its independent communication reliability through its own speech functions.
Data Source
AI summary
A dialogue apparatus includes a display unit, a first dialogue control unit configured to display a first character on the display unit and simulate a speech function of an external communication robot capable of having a dialogue to conduct the dialogue with a user, a second dialogue control unit configured to display a second character on the display unit and conduct the dialogue so as to mediate the dialogue between the user and the first dialogue control unit, and a transmission unit configured to transmit, to the external communication robot, dialogue information about the dialogue conducted by the first dialogue control unit and the second dialogue control unit.