Remote Control Device With Three-Axis Link Structure for Wide-Range Operation

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Solution Overview

Problem

Conventional remote control devices for robots and machinery have limited operating ranges and are structurally complex, restricting the types of robots or machinery that can be controlled, and they struggle to provide effective force-sense feedback during bilateral control.

Innovation Solution

A remote control device with a user interface attached to a link structure that allows independent rotation on three axes, supported by rotary bodies and actuators, reducing the device's size and expanding the operating range while providing force-sense feedback.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the operating range of the user interface is expanded to expand the operating range of the robot, then the operating range is improved, but the structure becomes complicated

Engineering Contradiction:
Improveoperating rangeVSAvoidstructure
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The user interface is divided into multiple independent components: a base body, an arm member, and a gripper member. Each component can rotate independently around specific axes, allowing the interface to achieve a wide operating range through segmented motion rather than a single complex mechanism.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The user interface utilizes multiple rotation axes (first rotation axis for arm movement, second rotation axis for gripper movement, third rotation axis for wrist movement) to achieve three-dimensional positioning. This dimensional approach allows expanded operating range in multiple directions simultaneously without increasing structural complexity.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Adaptability or versatility

If the places at which the operator puts the elbows are limited, then the structure is simplified, but the robot and machinery to be remotely controlled are limited

Engineering Contradiction:
Improverobot control versatilityVSAvoidconfiguration
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The user interface is designed with a universal structure that can accommodate various operating positions and control different types of robots and machinery. The multi-axis rotation capability allows the same interface configuration to adapt to different operational requirements without requiring changes to the basic structure.

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

Solution Approach 2:

The user interface employs dynamic rotation capabilities around multiple axes, allowing the operator to adjust the interface position and orientation during operation. This dynamic adaptability enables the same physical structure to serve multiple functions and control various types of machinery effectively.

Inventive Principle:
Principle #15Dynamics

3Adaptability or versatility

If the operating range of the user interface cannot be expanded, then the structure remains simple, but the robot and machinery to be remotely controlled are limited

Engineering Contradiction:
Improveoperating rangeVSAvoiduser interface operability
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The user interface is segmented into independently rotatable components (base body, arm member, gripper member) that can be controlled separately. This segmentation allows each component to be optimized for its specific motion while contributing to the overall expanded operating range, making the interface easier to operate.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

By introducing rotation around multiple axes (first, second, and third rotation axes), the user interface achieves three-dimensional freedom of movement. This dimensional expansion provides operators with greater flexibility and ease of operation while controlling a wider range of robot positions and orientations.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Data Source

PatentUS12459132B2Remote control device
Publication Date: 2025.11.04 KAWASAKI JUKOGYO KK
  • US12459132B2 patent drawing
  • US12459132B2 patent drawing
  • US12459132B2 patent drawing

AI summary

A remote control device includes: a first arm; a second arm connected to a tip-end part of the first arm; two rotary bodies disposed at a tip of the second arm; a link structure including link members fixed to the two rotary bodies; and a user interface attached to the link structure. The two rotary bodies are independently and rotatably supported by respective coaxial drive shafts. The user interface is pivotable, with respect to the second arm, on each of mutually-perpendicular three axes passing through a center point of the link structure. The link structure is disposed at the lateral side of the rotary bodies so that the center point is located on an axis of the two drive shafts. The user interface is attached to the link structure on an axis of a rotation shaft passing through the center point.