During production operations, equipment such as portal cranes and gantry cranes frequently encounter various operational scenarios involving intersecting paths, transit movements, and synchronized tandem lifting. Factors such as the immense length of portal crane booms—which can be difficult to view directly due to backlighting—and foggy environmental conditions create inherent safety hazards, specifically posing a risk of mutual collision between cranes.
To ensure operational safety, it is essential to design and deploy an anti-collision system and a remote digital monitoring platform specifically for cranes located in ship docks and slipways. This system enables real-time monitoring of the operational status of every crane on the slipway, thereby preventing potential collision hazards between cranes during their work cycles and effectively mitigating safety risks.
Based on the equipment layout within the ship dock and slipway area, the operational principles of the various crane mechanisms, and the specific requirements for collision prevention, this solution utilizes a 3D spatial simulation anti-collision system developed by Weite to fulfill the necessary functions.
I. Crane Structural Decomposition and Modeling
The relevant crane equipment is decomposed into *N* hexahedral data models, based on the actual physical dimensions of their structural components. The fundamental dimensions of these data models are established at a 1:1 scale relative to the cranes' actual geometric dimensions, thereby accurately reflecting the assembly relationships and external dimensions of the physical crane entities.
II. Ship Dock Spatial Modeling
A mathematical model of the ship dock area is constructed at a 1:1 scale, incorporating the tracks of the associated cranes and the spatial relationships between these tracks. This model accurately and clearly depicts the positional relationships of each track within the ship dock's spatial environment.
III. Unified Coordinate System for Cranes and Ship Dock Space
The crane models are integrated into the ship dock site model, utilizing the ship dock space as a unified coordinate system—with the direction of the tracks designated as the X-axis. Within this mathematical model of the ship dock space, key operational parameters—such as the position of each crane, the orientation of its boom, and the height of its hook—are accurately represented in real-time.
IV. Anti-Collision Monitoring and Alarming
Based on pre-configured safety zone parameters, the software generates protective envelopes that enclose each component of the crane. This establishes a three-tiered, progressive safety alert system comprising distinct stages: pre-warning, deceleration, and emergency stop. The system processes real-time sensor data through computational algorithms, converting this raw data into precise spatial coordinates representing the positions of the cubic bounding boxes for each individual crane component.
**Core Advantages**
1. **Enhanced Safety Performance:** The shipyard anti-collision system provides real-time monitoring of the spatial relationships between various installation systems and equipment within the facility (including data on distances, heights, and potential collision points). Through dynamic graphical displays and text-based prompts, the system issues timely alarms, thereby significantly reducing the occurrence of collision-related accidents.
2. **Reduced Economic Losses:** By effectively preventing collisions, the system mitigates the risk of damage resulting from the overlapping operations of various equipment. This, in turn, minimizes the economic losses associated with equipment repairs and operational downtime.
3. **Assisted Operation and Enhanced Automation:** The system facilitates a degree of automated operation—such as automated stopping—and enables the timely detection of potential hazards, thereby further lowering the risk of collision accidents.
4. **Proprietary R&D and High Adaptability:** Developed independently by Weite, the system boasts high detection precision, supports a wide range of anti-collision strategies, and offers extensive support for diverse, non-standardized customization requirements.
