Magnetic-Path AGV Navigation With Omni-Wheels and Obstacle Sensing
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Solution Overview
Problem
Existing automated guided vehicle (AGV) systems face challenges related to complexity of construction, cost, safety issues, ease of use, and flexibility in tailoring to specific end uses, particularly in navigating magnetic paths in industrial settings.
Innovation Solution
An automated guided vehicle system with a modular design, equipped with omni-directional wheels, bi-directional drive wheels, magnetic sensors, and navigation circuitry, capable of traversing magnetic paths on a ground surface, including branch paths, and featuring safety features like laser scanners and directional lighting for obstacle detection and navigation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional magnetic guidance systems are used, then navigation capability is achieved, but construction complexity and cost increase
Solution Approach 1:
The patent replaces complex mechanical magnetic guidance systems with a simplified sensor-based navigation system. The AGV uses sensors to detect magnetic fields and determines its position and orientation, then uses motor control to navigate along the magnetic path without requiring complex mechanical guidance mechanisms.
Solution Approach 2:
The AGV system is self-navigating, using its own sensors and control systems to follow the magnetic path. The vehicle independently detects its position relative to the magnetic guidance lines and autonomously adjusts its course, eliminating the need for external mechanical guidance devices.
2Productivity
If traditional AGV designs are used, then basic transport function is achieved, but safety issues arise
Solution Approach 1:
The patent incorporates feedback mechanisms through sensors that continuously monitor the AGV's position, speed, and environmental conditions. The control system processes this feedback information and adjusts motor commands in real-time to maintain safe operation and prevent collisions or deviations from the magnetic path.
Solution Approach 2:
The system includes safety features that prepare for potential hazards in advance. The magnetic guidance system provides continuous directional guidance to prevent the AGV from veering off course, and the control system includes emergency stop capabilities and obstacle detection to cushion against potential safety incidents before they occur.
3Productivity
If conventional AGV systems are used, then material handling capability is achieved, but ease of use and flexibility are reduced
Solution Approach 1:
The AGV is self-navigating and self-controlling, automatically following the magnetic path and adjusting its course without human intervention. The vehicle independently processes sensor data and executes navigation commands, making the system easy to operate while maintaining full material handling capability.
Solution Approach 2:
The system dynamically adapts to the magnetic path configuration and environmental conditions. The AGV can navigate complex magnetic paths, follow curved trajectories, and adjust its speed and direction in real-time, providing flexibility for different material handling scenarios while maintaining ease of operation through automated control.
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 system enhances operational efficiency and safety by enabling flexible navigation, reducing construction complexity, and improving user interaction, while ensuring reliable movement and cargo handling in industrial environments.
Implementation Method 1
The AGV includes a magnetic sensor to sense the magnetic strip
Implementation Method 2
A first motor is coupled to the first drive wheel and configured to rotate the first drive wheel about the first transverse axis to cause the first drive wheel to roll along the ground surface
Data Source
AI summary
An automated guided vehicle system including at least one automated guided vehicle (AGV) for following predetermined magnetic paths on a ground surface to carry cargo to selected points on the paths. The AGV includes a chassis, top plate mounted on the chassis for receipt of cargo, a pair of driving wheels coupled to driving motors, and plural passive omni-wheels. Control and navigation circuitry is provided to operate the motors to drive the driving wheels to cause the AGV to follow a desired one of the paths. The AGV provides illumination indicating its direction of travel and status. It also includes laser scanners for obstacle detection.