Material Transport Hand Calibration for Unmanned Vehicles
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Solution Overview
Problem
Conventional pneumatic systems for transporting materials like secondary battery electrode plates, paper, or steel plates wound in a circular core shape are not suitable for installation on moving bodies due to the need for air tanks or compressors, limiting their mobility.
Innovation Solution
A material transport device using an unmanned transport vehicle equipped with a transfer hand, positioning sensor, and hand movers to calibrate and adjust the position of the transfer hand based on detected markers, enabling precise material transfer between devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a pneumatic shaft is used to spray and adhere air for transporting materials, then material transport capability is improved, but device complexity and suitability for moving bodies deteriorates due to requiring air tanks or air compressors
Solution Approach 1:
The patent removes the pneumatic system (air tank or air compressor) from the transfer cart and extracts only the essential function of material adhesion and transport. The adhesive application device applies adhesive directly to the material without requiring a pneumatic shaft, thereby eliminating the complex pneumatic infrastructure while maintaining material transport capability.
Solution Approach 2:
The patent replaces the pneumatic system with a mechanical adhesive application system. Instead of using compressed air to transport materials, the system uses an adhesive application device that applies adhesive to the material, which is then picked up by a roller. This substitution eliminates the need for air tanks and compressors, reducing device complexity while maintaining transport functionality.
2Productivity
If a pneumatic shaft system is installed for material transport, then material handling capability is improved, but ease of operation and mobility deteriorates due to stationary equipment requirements
Solution Approach 1:
The patent extracts the essential material handling function from the stationary pneumatic system and implements it on a mobile transfer cart. The adhesive application device and roller mechanism are mounted on the cart, enabling material handling capability to be maintained while achieving mobility and ease of operation.
Solution Approach 2:
The patent transforms the stationary pneumatic system into a dynamic, mobile system. The transfer cart with adhesive application device can move to different locations and adapt to various material handling scenarios, improving ease of operation while maintaining material handling capability through the flexible adhesive-based transport mechanism.
3Manufacturing precision
If transfer hand position calibration is implemented using positioning sensors, then manufacturing precision and positioning accuracy are improved, but device complexity increases due to additional sensors and calibration mechanisms
Solution Approach 1:
The patent introduces a positioning sensor as an intermediary element that detects the position of markers on the counterpart device. This sensor provides calibration information to the controller, enabling accurate transfer hand positioning without requiring complex mechanical calibration mechanisms. The sensor acts as a mediator between the physical position and the control system.
Solution Approach 2:
The patent implements a feedback mechanism where the positioning sensor continuously detects marker positions and provides information to the controller. The controller uses this feedback to calculate position differences and automatically adjust the transfer hand position, achieving high manufacturing precision through automated feedback control rather than complex manual calibration systems.
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
The device allows for precise and efficient transportation of materials between devices, even on moving platforms, by calibrating the transfer hand's position using sensors and movers, ensuring accurate loading and unloading.
Implementation Method 1
The positioning sensor may be a vision sensor disposed at a front end of the transfer hand, photograph a marker of the counterpart device, and calculate a position difference between the transfer hand and the counterpart device based on a captured image.
Implementation Method 2
a hand mover disposed on one side of the main body and moving the transfer hand in a vertical direction according to a position of the marker detected by the positioning sensor
Implementation Method 3
a rail mover disposed between the unmanned transport vehicle and the main body and moving the main body in a width direction of the unmanned transport vehicle by moving a slider moving along a sliding rail disposed on an upper surface of the unmanned transport vehicle
Implementation Method 4
The unmanned transport vehicle may rotate according to a position of the marker detected by the positioning sensor and adjust an angle at which the transfer hand is directed.
Data Source
AI summary
A material transport device including a transfer hand for receiving a material from a counterpart device or delivering the material to the counterpart device includes an unmanned transport vehicle moving along a preset path, a main body disposed on the unmanned transport vehicle, and a transfer hand disposed inside the main body, at least partially protruding outward from the main body, loading or unloading the material, and including a positioning sensor detecting a marker disposed on the counterpart device and determining a position difference with the counterpart device, and the material transport device calibrates a position of the transfer hand based on the position difference determined by the positioning sensor.