AGV (Automated Guided Vehicle) navigation and guidance methods are diverse, each with its own unique advantages, disadvantages and application scenarios. Common navigation methods include magnetic stripe navigation, magnetic nail navigation, laser navigation, electromagnetic navigation, QR code navigation, visual navigation, etc.
Magnetic stripe navigation: Navigation is achieved by detecting the magnetic stripe signal laid on the ground. It has the advantages of low cost, mature and reliable technology, but the path change is difficult and the magnetic stripe is easily damaged.
Magnetic nail navigation: Navigation is achieved by using intermittent induction magnetic nail signals. It has the characteristics of low cost and strong anti-interference, but the laying and modification of the line are more complicated.
Laser navigation: The surrounding environment is measured by a laser scanner, with high positioning accuracy, suitable for complex environments, but the equipment cost is high and the environmental requirements are strict. Electromagnetic navigation: Navigation is achieved through the principle of electromagnetic induction. It is concealed and beautiful, but the path change is difficult. QR code navigation: Using QR code labels as path markers, it is flexible and convenient to change the path, but the QR code is easy to wear and contaminate.
Visual navigation: Navigation is performed by capturing images of the surrounding environment through a camera. It is suitable for complex environments, but has high hardware requirements and large computational workload.
SLAM laser navigation: It uses laser radar for simultaneous positioning and map construction. It does not require a reflector, which reduces manufacturing costs, but the algorithm is complex.
Ultrasonic navigation: It uses ultrasonic sensors to measure distances. It has real-time and high accuracy, but is greatly affected by environmental noise.
Infrared navigation: It detects the environment through infrared sensors. It has strong anti-interference ability but low positioning accuracy.
Fusion navigation: It combines multiple navigation methods to improve positioning accuracy and reliability, but it is difficult to implement.
GPS navigation: It uses the global positioning system to achieve navigation. It has a wide coverage range but is limited to indoor environments.
The choice of these navigation methods depends on the specific application scenario, cost budget and technical requirements.