基于对大型时间触发以太网的关键链路优化进行混合调度算法的研究
Haowen Zhu1,2, Zhen Li2, Jinwei Cheng2
1School of Aeronautics and Astronautics, Zhejiang University, Hangzhou 310058, China.
Sensors (Basel, Switzerland)
|October 29, 2025
概括
本研究介绍了工业物联网 (IIoT) 中时间触发以太网 (TTE) 的混合调度算法. 这种新的方法优化了关键的网络链接,并使用遗传算法来改进消息调度,减少计算时间和提高性能.
科学领域:
- 计算机科学 计算机科学
- 电气工程 电气工程
- 网络工程 网络工程
背景情况:
- 工业物联网 (IIoT) 越来越多地利用时间触发的以太网 (TTE) 技术.
- 传统的调度算法在大型TTE应用中面临着计算时间和调度质量的挑战.
研究的目的:
- 为IIoT中的大规模TTE应用提出混合调度算法.
- 解决现有算法的计算时间增加和调度质量恶化的问题.
主要方法:
- 开发了一个大规模的TTE消息调度模型,其中包含抽象的TT调度约束.
- 实现了关键网络链路的时段平衡算法,优化了TT消息间隔.
- 利用了改进的遗传算法,结合了关键链接结果,以提高全球优化.
主要成果:
- 拟议的算法显著减少了计算时间,并提高了消息调度成功率.
- 与传统方法相比,实现了更好的时间触发 (TT) 消息间隔平衡.
- 在增加负载下有效减少最佳努力 (BE) 消息的传输延迟和动.
结论:
- 混合调度算法满足了 IIoT 中大规模 TTE 应用的苛刻要求.
- 为TTE消息调度提供了更高的效率和性能,特别是在复杂的工业环境中.
相关概念视频
Distributed Loads: Problem Solving
1.1K
Beams are structural elements commonly employed in engineering applications requiring different load-carrying capacities. The first step in analyzing a beam under a distributed load is to simplify the problem by dividing the load into smaller regions, which allows one to consider each region separately and calculate the magnitude of the equivalent resultant load acting on each portion of the beam. The magnitude of the equivalent resultant load for each region can be determined by calculating...
1.1K
Multimachine Stability
539
Multimachine stability analysis is crucial for understanding the dynamics and stability of power systems with multiple synchronous machines. The objective is to solve the swing equations for a network of M machines connected to an N-bus power system.
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
539
Transmission Line Design Considerations
590
Aluminum has become the material of choice for overhead transmission lines, surpassing copper due to its abundance and cost-effectiveness. The most prevalent type is the aluminum conductor, steel-reinforced (ACSR), which combines aluminum strands around a steel core. Other variants include all-aluminum conductors (AAC), all-aluminum alloy conductors (AAAC), aluminum conductor alloy-reinforced (ACAR), and aluminum-clad steel conductors. Advanced designs, such as aluminum conductors with steel...
590
Cable Subjected to a Distributed Load
1.1K
The analysis of suspension bridges is a complex and critical process that involves multiple factors, including the shape and tension of the main cables. The main cables of suspension bridges are subjected to distributed loads, which result in changes in tensile forces and deformation of the cable. These loads must be carefully considered to ensure that the bridge is safe and capable of supporting the weight of different loads.
1.1K
Distributed Loads
939
Distributed loads are a common type of load that engineers and scientists encounter in various practical situations. Distributed loads often refer to a type of load spread over a surface or a structure and can be modeled as continuous force per unit area.
For example, consider a bookshelf filled with books stacked vertically adjacent to each other. The weight of the books is evenly distributed over the length of the shelf. As a result, the pressure at different locations on the surface of the...
For example, consider a bookshelf filled with books stacked vertically adjacent to each other. The weight of the books is evenly distributed over the length of the shelf. As a result, the pressure at different locations on the surface of the...
939
Network Function of a Circuit
625
Frequency response analysis in electrical circuits provides vital insights into a circuit's behavior as the frequency of the input signal changes. The transfer function, a mathematical tool, is instrumental in understanding this behavior. It defines the relationship between phasor output and input and comes in four types: voltage gain, current gain, transfer impedance, and transfer admittance. The critical components of the transfer function are the poles and zeros.
625
