Force-Sensing Robot Handlebar for Intuitive Autonomous Control
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Solution Overview
Problem
Conventional autonomous and semi-autonomous robots lack effective user interaction mechanisms, particularly in environments with non-specialized human workers, and require complex and costly hardware configurations that hinder rapid deployment and adaptability.
Innovation Solution
A force sensing handlebar assembly with sensors and compliant materials that allow users to intuitively control robot movement through translational and rotational inputs, integrated with a controller for seamless operation and ergonomic design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a graphical user interface control interface is used for robot operation, then user control capability is provided, but device complexity and cost increase
Solution Approach 1:
The patent extracts the essential control function from complex graphical interfaces and implements it through a simple physical handlebar with force sensors. The handlebar assembly isolates the core manipulation capability (push/pull/rotate motions) from unnecessary interface complexity, providing intuitive control while reducing hardware requirements and deployment costs.
Solution Approach 2:
The force sensing handlebar provides self-service control where the user's natural physical interactions (applying force, pushing, pulling, rotating) directly translate to robot control commands. The system automatically interprets these forces through onboard sensors and executes corresponding actions, eliminating the need for external control devices or specialized operator training.
2Measurement precision
If specialized control devices are required for robot operation, then control precision is improved, but adaptability to non-specialized workers decreases
Solution Approach 1:
The handlebar assembly serves multiple control functions through a single universal interface. It can detect push forces, pull forces, and rotational torques, providing comprehensive robot control (translation and rotation) through one device that any worker can operate intuitively without specialized training or equipment.
Solution Approach 2:
The system changes the control parameter from complex graphical interface interactions to simple physical force application. By measuring force magnitude and direction through sensors, the system translates natural human physical actions into precise control commands, making the robot accessible to workers with varying levels of expertise.
3Ease of operation
If complex hardware configurations are used, then control functionality is enhanced, but deployment time and cost increase
Solution Approach 1:
The patent merges the control interface, force sensing elements, and control processing into a single integrated handlebar assembly that mounts directly to the robot. This consolidation eliminates the need for separate control stations, cables, and external sensors, enabling rapid deployment while maintaining comprehensive control functionality.
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
Facilitates rapid onboarding and easy workflow adjustments, enhances user interaction, and improves safety and responsiveness by differentiating between people and objects, reducing reliance on expensive hardware and expert support.
Implementation Method 1
a first sensor comprising a first sensor first portion coupled to the handlebar proximate the first end of the handlebar and a first sensor second portion disposed proximate the first sensor first portion, where the first sensor first portion is configured to move relative to the first sensor second portion in response to movement of the handlebar
Implementation Method 2
a second sensor comprising a second sensor first portion coupled to the handlebar proximate the second end of the handlebar and a second sensor second portion disposed proximate the second sensor first portion, where the second sensor first portion is configured to move relative to the second sensor second portion in response to movement of the handlebar
Implementation Method 3
a first compliant material, coupled to the first fixture and the handlebar and configured to allow the handlebar to move relative to first fixture
Data Source
AI summary
An autonomous robot drive assembly includes a force sensing assembly. The force sensing assembly is a force sensing handlebar that is mounted in a specific orientation to allow for a user to manipulate the robot. The handlebar is configured to allow a user to manipulate the handlebar by providing force to the handlebar to move the handlebar from a neutral position. The manipulation of the handlebar causes instructions to be determined for operation of the robot. Based on the manipulation of the handlebar, a drive assembly of the robot moves the robot in accordance with the instructions.