Industrial Truck Extension Zone for Dynamic Collision Avoidance
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Solution Overview
Problem
Existing industrial truck guidance systems in logistics facilities are limited to specific zones and fail to dynamically adapt to the vehicle's condition, driving dynamics, and environmental factors, leading to potential collisions and inefficiencies in navigation.
Innovation Solution
A method to determine a dynamically adaptable and modifiable industrial truck extension zone based on the vehicle's absolute position, direction of travel, speed, and environmental factors, using anchor nodes and onboard computers to prevent collisions by adjusting the extension zone in real-time according to the vehicle's status and surroundings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed protection zone is used for industrial trucks, then the system is simple to implement, but it cannot adapt to different driving conditions and vehicle states, leading to reduced safety and efficiency
Solution Approach 1:
The protection zone is transformed from a static fixed area to a dynamic virtual extension zone that continuously adapts to the industrial truck's movement state, speed, direction, and environmental conditions. The zone's boundaries are calculated in real-time based on vehicle parameters and traffic conditions, enabling the system to provide appropriate protection levels for different operating scenarios without requiring complex physical infrastructure changes
Solution Approach 2:
Instead of implementing complex physical barriers or extensive infrastructure modifications, the system creates a virtual copy or representation of the protection zone using software algorithms and positioning data. This virtual extension zone is generated through computer processing of vehicle position, speed, and direction information, providing adaptive protection while maintaining system simplicity
2Reliability
If the protection zone is enlarged to cover all possible movement scenarios, then collision avoidance is improved, but the system becomes less efficient due to excessive conservative spacing between trucks
Solution Approach 1:
The protection zone system applies different protection levels and zone sizes to different spatial locations and driving conditions within the logistics facility. Rather than using a uniform conservative zone for all scenarios, the system calculates localized extension zones based on specific vehicle states, traffic density, road conditions, and proximity to obstacles, allowing trucks to maintain appropriate safety margins while maximizing navigation efficiency in each local context
Solution Approach 2:
The system dynamically adjusts the protection zone parameters (size, shape, position) based on changing vehicle conditions such as speed, acceleration, direction, and load. When trucks are moving at low speeds or in congested areas, the extension zone is appropriately sized, while allowing for more aggressive positioning when conditions permit, thereby optimizing both collision avoidance and productivity through continuous parameter adaptation
3Area of stationary object
If local zone limitations are used for guidance, then the system is simple to implement, but it fails to provide comprehensive protection across the entire logistics facility
Solution Approach 1:
The virtual extension zone system serves multiple functions simultaneously: it provides collision avoidance, defines navigation corridors, marks no-go zones, and adapts to various vehicle types and operating conditions within a single unified framework. This multi-functional approach covers the entire logistics facility without requiring separate specialized systems for different zones or scenarios, achieving comprehensive protection while maintaining relative system simplicity
Data Source
AI summary
A method for operating an industrial truck (20) in a goods logistics facility (10). The absolute position of the industrial truck (20) in the goods logistics facility (10) is determined and the direction of travel of the industrial truck (20) in the goods logistics facility (10) is determined, and a dynamically adaptable and/or modifiable industrial truck extension zone (30) is determined as a function of the absolute position determined and the direction of travel determined for the industrial truck (20) in the goods logistics facility (10), preferably at predetermined periods of time.