概括
在分布式热过程中,频繁的模型更新和控制器激活会导致过度计算. 双事件触发空间模型预测控制 (DET-SMPC) 通过仅在必要时激活控制器来减少计算,从而提高性能.
科学领域:
- 控制工程 控制工程 控制工程
- 数据驱动系统数据驱动系统
- 热过程管理 热过程管理
背景情况:
- 分布式热处理过程经常因过度更新模型和控制器激活而遭受性能降低.
- 这些系统中的过度计算导致效率低下和控制结果不足.
研究的目的:
- 为分布式热过程开发一种新的双事件触发空间模型预测控制 (DET-SMPC) 策略.
- 为了减轻频繁的模型更新和控制器激活引起的性能问题.
- 通过数据驱动的框架来提高整体系统性能.
主要方法:
- 使用时间/空间定理构建了一个时空模型,以适应时间变化的动态.
- 建议采用自适应模型更新 (MU) 方法,使用错误触发生成器来确定最佳切换模式.
- 引入了一个由事件触发的模型预测控制 (ET-MPC) 具有由Lyapunov函数衍生的激活值.
主要成果:
- 拟议的DET-SMPC有效地减少了过度计算,仅在达到预定义的值时才能触发控制器激活.
- 适应式MU方法确定了首选的切换模式,优化了控制器的性能.
- 模拟和实验性烤箱研究验证了DET-SMPC的有效性.
结论:
- DET-SMPC提供了一个强大的解决方案,用于提高分布式热过程中的性能.
- 事件触发机制显著减少计算负载,同时保持有效的控制.
- 这种数据驱动的方法在现实世界热管理系统中证明了其实际适用性.
相关概念视频
Thermal expansion and Thermal stress: Problem Solving
1.3K
San Francisco's Golden Gate Bridge is exposed to temperatures ranging from -15 °C to 40 °C. At its coldest, the main span of the bridge is 1275 m long. Assuming that the bridge is made entirely of steel, what is the change in its length between these temperatures?
To solve the problem, first, identify the known and unknown quantities. The initial length (L) of the bridge is 1275 m, the coefficient of linear expansion (α) for steel is 12 x 10-6/°C, and the change in...
To solve the problem, first, identify the known and unknown quantities. The initial length (L) of the bridge is 1275 m, the coefficient of linear expansion (α) for steel is 12 x 10-6/°C, and the change in...
1.3K
Control Systems: Applications
736
Electrical engineering plays a pivotal role in our daily lives, with control systems at the heart of many applications, from home appliances to sophisticated space shuttles. Control systems manage and regulate the behavior of devices and processes, ensuring they function safely, correctly, and efficiently.
In modern vehicles, control systems manage various functions to enhance performance and safety. The steering wheel and accelerator are primary inputs in a car's control system. The...
In modern vehicles, control systems manage various functions to enhance performance and safety. The steering wheel and accelerator are primary inputs in a car's control system. The...
736
Thermal Sigmatropic Reactions: Overview
2.2K
Sigmatropic rearrangements are a class of pericyclic reactions in which a σ bond migrates from one part of a π system to another. These are intramolecular rearrangements where the total number of σ and π bonds remain unchanged.
Sigmatropic shifts are classified based on an order term [i, j ], where i and j indicate the number of atoms across which each end of the σ bond migrates. Below are examples of a [3,3] sigmatropic shift in...
Sigmatropic shifts are classified based on an order term [i, j ], where i and j indicate the number of atoms across which each end of the σ bond migrates. Below are examples of a [3,3] sigmatropic shift in...
2.2K
Mechanisms of Heat Transfer II
3.5K
In convection, thermal energy is carried by the large-scale flow of matter. Ocean currents and large-scale atmospheric circulation, which result from the buoyancy of warm air and water, transfer hot air from the tropics toward the poles and cold air from the poles toward the tropics. The Earth’s rotation interacts with those flows, causing the observed eastward flow of air in the temperate zones. Convection dominates heat transfer by air, and the amount of available space for the airflow...
3.5K
Open and closed-loop control systems
996
Control systems are foundational elements in automation and engineering. They are broadly categorized into open-loop and closed-loop systems. These classifications hinge on the presence or absence of feedback mechanisms, significantly influencing the system's performance, complexity, and application.
An open-loop control system operates without feedback from the output. It consists of two primary elements: the controller and the controlled process. The controller receives an input signal...
An open-loop control system operates without feedback from the output. It consists of two primary elements: the controller and the controlled process. The controller receives an input signal...
996
Distributed Loads: Problem Solving
731
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...
731


