Bus Subscriber Address Allocation for Delayed Login Integration
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Solution Overview
Problem
Existing bus systems face challenges in securely integrating new bus subscribers, particularly those with longer activation times, and in efficiently managing the loading of master modules and ensuring rapid initialization and shutdown.
Innovation Solution
A method for integrating a further bus subscriber into a bus system involves a master module and bus subscribers in series, where intermediate bus subscribers check for system releases, store data packets, and forward them after revocation, allowing for secure and adaptable integration, automatic initialization, and emergency shutdowns, using dual data lines for enhanced security and speed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a bus subscriber with longer activation time is integrated into the bus system, then the system becomes more adaptable, but the initialization time increases
Solution Approach 1:
The bus subscriber performs preliminary actions by sending a data packet to the master module before full integration, allowing the system to prepare for its entry. This preliminary login process enables the system to allocate addresses and configure communication parameters in advance, reducing the overall initialization time when the subscriber is fully integrated.
Solution Approach 2:
The system dynamically adjusts the initialization process based on the activation time requirements of different bus subscribers. The master module can adaptively manage the login sequence and address allocation timing, allowing subscribers with longer activation times to complete their preparation without blocking the entire system initialization.
2Reliability
If all bus subscribers continuously communicate with the master module, then real-time monitoring is improved, but the master module loading increases
Solution Approach 1:
The intermediate bus subscriber extracts and processes monitoring data locally before forwarding it to the master module. Instead of all subscribers directly communicating with the master, the intermediate subscriber acts as a filter and aggregator, reducing the communication burden on the master module while maintaining comprehensive monitoring coverage.
Solution Approach 2:
The intermediate bus subscriber serves as an intermediary between other bus subscribers and the master module. It receives data packets from downstream subscribers, checks system release status, and forwards packets appropriately. This intermediary role distributes the communication load and reduces direct master module loading.
3Reliability
If the bus system performs comprehensive address allocation and login checks, then system security is improved, but the initialization process becomes more complex
Solution Approach 1:
The address allocation and login process is segmented into discrete steps: data packet transmission, intermediate subscriber checking for system release, address allocation by the master module, and confirmation. This segmentation allows each security check to be performed independently and systematically, improving security while making the complex process more manageable and traceable.
Solution Approach 2:
The system performs preliminary security checks and address allocations before full operational integration. The intermediate bus subscriber checks the system release status in advance, and the master module prepares address allocations before the subscriber fully joins the network, streamlining the secure initialization process.
4Reliability
If the bus system waits for all subscribers to log in before activation, then system reliability is improved, but the activation time increases
Solution Approach 1:
The system dynamically determines when activation can proceed based on the login status of critical bus subscribers. Rather than requiring all subscribers to be fully initialized, the system can activate when essential components are ready, with non-critical subscribers joining subsequently. This dynamic approach maintains reliability for core functions while reducing overall activation time.
Data Source
AI summary
A method for integrating a further bus subscriber into a bus system, and a bus system, having a master module and subscribers disposed in series, includes the temporally consecutive method steps: in a first method step, the further bus subscriber transmits a data packet to the master module in order to log in to the master module, in a second method step, a bus subscriber disposed between the further bus subscriber and the master module stops the data packet and checks whether the bus system has already received a release, in a third method step, the first bus subscriber forwards the data packet to the master module if the bus system has not yet received a release, or in a third, in particular an alternative, method step, if the bus system has already received a release, the bus subscriber stores the data packet and waits until the release of the bus system is revoked and after the release has been revoked, forwards the stored data packet to the master module.