automated logistic system
How to Deal With the Automated Logistic System Fails?
In the modern economy, automated logistics system is the key to supporting efficient supply chain operations. However, when these systems fail, it can have a serious impact on the entire supply chain.
In order to ensure the stable operation of the logistics system, redundant design has become a key strategy to improve system reliability. Six aspects of redundant design to improve the reliability of the automated logistics system and ensure its uninterrupted operation.
Importance of automated logistics systems
Automated logistics systems play a vital role in the operation of smart warehousing systems and smart factories or large automated logistics centers.
Many systems are large in scale, involving thousands of devices and tens of kilometers of cargo transportation lines, including various conveyors, AGVs, stackers, elevators, robots, etc.
The technology is not necessarily complex, but it integrates multiple technologies and equipment. These systems usually require high integration and high reliability to support uninterrupted operation.
Necessity of redundant design
1. Layout redundancy
In large-scale automated logistics systems, redundant backup of key areas is ensured through regionalized layout and high-aggregation, low-coupling design.
This means that when planning the system, consideration should be given to designing key areas as independently operable units so that when a failure occurs in one area, other areas can continue to operate, thereby avoiding the impact on the operation of the entire system or logistics park.
2. Functional group redundancy
Redundant design is performed for components that realize key functions of the system.
For example, flexible automated handling equipment can be used to replace the traditional conveyor link mode to improve the flexibility and reliability of the system.
In addition, for key functional groups, such as sorting equipment, multiple sets of equipment should be configured to ensure that when one set of equipment fails, another set of equipment can take over the work and maintain the continuous operation of the system.
3. Logistics path redundancy
In the design of key logistics delivery paths, single-node design should be avoided to ensure that there are at least two paths from the source to the destination.
In this way, even if a path is unavailable due to equipment failure, the goods can still be transported through other paths, thus ensuring the continuity and efficiency of logistics.
4. Control system hardware redundancy
For key hardware components in computer systems and automatic control systems, such as the CPU of a programmable controller (PLC), a redundant multi-processor structure should be adopted.
In this way, when a processor fails, the system can immediately switch to another processor to ensure the stability and reliability of the control system.
5. Support software redundancy
By selecting appropriate support software, the clustering of computer systems can be realized.
For example, a server with dual UPS power systems and dual power modules can be configured to ensure that the system can automatically switch to the backup power supply when a power failure occurs, avoiding system downtime caused by power problems.
6. Application software redundancy
Application software should be run in the cluster that supports the software and should be designed with corresponding redundancy.
For example, distributed caching technology can be used to replicate data in real time to ensure that when a node fails, other nodes can take over the work and continue processing business.
In addition, key application software, such as equipment data collection and monitoring system (SCADA), should be designed for multi-node deployment to achieve data synchronization on multiple servers and improve the fault tolerance and stability of the system.
Through redundant design in the above six aspects, large-scale automated logistics systems can significantly improve their reliability and availability and achieve the goal of uninterrupted operation, thus ensuring the stability and efficiency of the logistics system and maximizing the economic and social benefits of system stakeholders. benefit.
In the face of emergencies in which automated logistics systems are paralyzed, these redundant design strategies can provide effective solutions to ensure rapid recovery and continued stable operation of the logistics system.
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