AGV and ULTRASONIC SENSOR
2026-04-30
Abstract: With the rapid development of industrial automation and intelligent logistics, the efficiency and safety of material handling have become the key for enterprises to enhance core competitiveness. Automated Guided Vehicles (AGV), also known as autonomous guided vehicles, are unmanned and self-driving material handling systems. They are gradually replacing traditional manual handling and becoming the core carrier of material circulation in workshops, warehouses and other scenarios, reshaping the efficiency boundaries of production and logistics through automation technology.
1. Introduction of AGV
The core value of AGV robots lies in greatly improving the efficiency of material flow by automating repetitive tasks, while reducing errors and risks caused by human intervention. There is a wide variety of autonomous guided vehicles to flexibly adapt to the needs of different scenarios. Forklift-type AGV systems are suitable for cargo stacking and high-level handling; tractor and towed AGV support multi-vehicle linkage to pull multiple material trolleys for synchronous operation; unit load AGV focus on the precise transportation of single material units; and automatic carriers are more suitable for large-scale and long-distance material conveyance, fully covering diverse material handling requirements.
2. Components of AGV
The autonomous driving capability of AGV robots relies on a complete operating system. Based on preset routes, combined with the coordination of sensors, navigation systems and control software, AGV can achieve precise movement from the starting point to the destination without full-time manual operation. The normal operation of this system depends on five key components. Serving as the vital functional modules of AGV, each component performs its own indispensable function.
The control unit serves as the "brain" of an AGV. It is responsible for receiving instructions, analyzing routes, and coordinating motion trajectory management. Meanwhile, it enables interactive linkage with other automated systems in factories and warehouses to ensure the orderly progress of handling tasks. The navigation system acts as the "eyes" of the AGV. Adopting multiple technologies such as laser, magnetic tape and cameras, it accurately identifies preset paths, guides the vehicle to stay on track, and guarantees precise travel.
Safety sensors function as the "security guards" of AGV. Their core role is to detect surrounding obstacles in real time and trigger obstacle avoidance commands timely to prevent collisions, protecting the safety of personnel and equipment. The drive system is the AGV "legs and feet". Composed of motors and wheels, it provides driving power for vehicle movement and ensures stable operation in various sites. The battery is the "energy source" of the AGV, supplying sufficient power for the long-term continuous operation of the entire system and ensuring uninterrupted handling tasks.
3. Ultrasonic Sensor in AGV
Among the core components of AGV, safety sensors are critical to their safe operation. As an essential type of safety sensor, ultrasonic sensors share an inseparable connection with AGV. They deliver vital support for the AGV autonomous obstacle avoidance and precise positioning, forming a key line of defense for the safe operation of AGV.
In practical AGV applications, ultrasonic sensors are mainly tasked with real-time obstacle avoidance protection. When AGV travel in complex environments such as workshops and warehouses, there may be various obstacles including staff, other equipment and stacked materials. Ultrasonic sensors continuously scan the surrounding environment. Once an obstacle enters the safety range, they immediately send signals to the control unit, which quickly issues commands for deceleration, stopping or steering, so as to effectively avoid collision accidents.
It is worth noting that ultrasonic sensors also have certain limitations. For instance, they are susceptible to environmental factors such as temperature and wind speed, and fail to detect sound-absorbing materials. However, such drawbacks can be compensated for by the coordinated application of laser sensors, vision sensors and other sensing devices. This multi-sensor complementation maximizes the safe and stable operation of AGV in diverse application scenarios.
4. Module DYP-A21 for AGV Obstacle Avoidance
As a well-known manufacturer of ultrasonic sensors in China, Shenzhen DYP Technology Co., Ltd. boasts 18 years of industry experience and has independently developed the DYP-A21 Module, an ultrasonic obstacle avoidance sensor specially designed for robot automatic control applications.
The A21 module features a small blind zone, a wide measuring angle, fast response time, same-frequency interference filtering, high mounting compatibility, dustproof and waterproof performance, long service life and high reliability. It is an ideal choice for safety sensors applied to obstacle avoidance of AGV.
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