Touch-Sensitive Robotic Gripper for Automatic Object Positioning
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Solution Overview
Problem
Existing robotic gripping systems require manual positioning and closing, which is time-consuming and labor-intensive, as they can only accurately manipulate objects if they are precisely inserted into the gripper.
Innovation Solution
A touch-sensitive robotic gripper system using sensors and processors to generate a detailed understanding of an object's location and orientation, allowing for automatic adjustment and precise grasping without manual intervention, utilizing a network of touch sensors and actuators to manipulate the gripper's position and orientation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual positioning and closing is used in robotic gripping systems, then the system structure remains simple, but the productivity and labor efficiency deteriorate due to time-consuming operations
Solution Approach 1:
The robotic gripping system performs self-positioning and self-alignment through sensors that detect object characteristics and automatically adjust gripper orientation and position, eliminating the need for manual intervention and significantly improving productivity
Solution Approach 2:
Manual mechanical positioning is replaced with an automated sensing and control system that uses sensors to detect object location and orientation, then actuates the gripper accordingly, transitioning from manual mechanical operation to automated sensor-driven control
2Manufacturing precision
If precise manual insertion is required for accurate object manipulation, then the manipulation precision improves, but the ease of operation deteriorates due to complex positioning requirements
Solution Approach 1:
Sensors provide real-time feedback about object location, orientation, and gripper position, enabling the control system to automatically adjust and achieve precise manipulation without requiring manual positioning expertise
Solution Approach 2:
The system automatically determines the correct gripper orientation and position by sensing object characteristics, performing self-alignment and self-positioning to achieve precise manipulation without manual intervention
3Productivity
If automated sensing and control systems are implemented, then the productivity and ease of operation improve, but the device complexity increases due to additional sensors and processing components
Solution Approach 1:
The sensing system is designed to perform multiple functions including object detection, location determination, orientation sensing, and gripper control, reducing the need for separate specialized components and managing system complexity through multi-functional integration
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
Enables the robotic gripper to automatically position and orient objects with high precision, reducing the need for manual labor and increasing efficiency in assembly and fabrication processes.
Implementation Method 1
employing a system of conductive fluid-filled sensing cells and movable electrodes to measure changes in resistance and capacitance
Implementation Method 2
employing a system of conductive fluid-filled sensing cells and movable electrodes to measure changes in resistance and capacitance
Data Source
AI summary
A rotational hydraulic joint may include an extension chamber and a retraction chamber. Each chamber may include an end cap and a piston that moves relative to the end cap. One or more ports may add and remove fluid from the chamber. The rotational hydraulic joint may rotate in a cyclical direction when fluid is added to the extension chamber and in a countercyclical direction when fluid is added to the retraction chamber. The chambers may each include a torus-shaped cavity. Bladders may prevent fluid from leaking out of the rotational hydraulic joint. Stationary and movable electrodes may be coupled to the end cap and piston respectively. A plurality of rotational hydraulic joints may be combined to create a compound joint.