Robot Control System Using Brain Activity and Reflex Action Detection

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Solution Overview

Problem

Existing robot control systems based on user brain activity may fail to respond appropriately to sudden unexpected situations due to delayed reflex actions.

Innovation Solution

A robot control system that includes a situation detecting unit, a user apparatus with brain activity and action detecting units, and a computing unit that analyzes brain activity to output first and second action instructions, allowing the robot to take immediate reflex-like actions when a predetermined reflex action is detected.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the robot control system uses brain activity detection to control robot actions, then the user can control the robot with minimal conscious effort, but the robot cannot respond quickly to unexpected situations that require reflexive actions

Engineering Contradiction:
Improveease of robot controlVSAvoidresponse speed to unexpected situations
Core Design Contradiction:
Ease of operationVSSpeed

Solution Approach 1:

The control system is segmented into two independent control channels: one processing brain activity signals for conscious control, and another processing reflex action detection for unconscious rapid response. This segmentation allows each channel to operate optimally without interfering with the other, resolving the contradiction between ease of operation and response speed.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system introduces an intermediary mechanism that detects reflex actions (such as sudden muscle movements or physiological responses) and automatically translates them into robot control commands. This intermediary bridge enables rapid unconscious control to supplement the slower but more deliberate brain activity-based control.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If the robot waits for brain activity signals to control actions, then the control is intentional and deliberate, but the response is delayed when immediate reflex action is needed

Engineering Contradiction:
Improveintentional control accuracyVSAvoidtime delay in unexpected situations
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The system performs preliminary detection of reflex actions continuously in the background, preparing rapid response capabilities before unexpected situations occur. When a situation arises requiring reflex response, the pre-prepared detection and translation mechanisms can immediately activate, reducing the time loss while maintaining intentional control for planned actions.

Inventive Principle:
Principle #10Preliminary action

3Device complexity

If the system only uses conscious brain activity control, then the control process is simple and direct, but it cannot capture unconscious reflexive responses that may be more appropriate in unexpected situations

Engineering Contradiction:
Improvecontrol system complexityVSAvoidability to respond to unexpected situations
Core Design Contradiction:
Device complexityVSAdaptability or versatility

Solution Approach 1:

The control system is designed with multi-functionality, capable of processing both brain activity signals for conscious control and reflex action signals for unconscious control through a unified control architecture. This universal design allows the system to adapt to different control needs without requiring separate independent systems, managing complexity while enhancing versatility.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS11135725B2Robot control system, robot control method and user apparatus for robot control system
Publication Date: 2021.10.05 HONDA MOTOR CO LTD
  • US11135725B2 patent drawing
  • US11135725B2 patent drawing
  • US11135725B2 patent drawing

AI summary

A robot control system, including: a mobile robot having a situation-detecting unit detecting surrounding situations; a user apparatus operating in a manner recognizable by a user based on signals detected by the situation-detecting unit; an action-detecting unit detecting a predetermined action of the user; a brain-activity-detecting unit detecting a brain activity of the user; and a robot-controlling unit controlling the robot. The user apparatus has a computing unit analyzing the brain activity of the user detected by the brain-activity-detecting unit to output a first-action instruction from the user to the robot. The robot controlling unit further controlling the robot in accordance with the first-action instruction output by the computing unit and controlling, when the predetermined action is detected by the action-detecting unit during operation of the user apparatus, the robot in accordance with a second-action instruction different from the first-action instruction output by the computing unit.