相关实验视频
Updated: Sep 18, 2025

08:20
In Situ Soil Moisture Sensors in Undisturbed Soils
Published on: November 18, 2022
6.6K
以太阳能为动力的同步抽水与模拟邻居传感的分散式无通信控制器
Roungsan Chaisricharoen1, Wanus Srimaharaj2, Punnarumol Temdee1
1Excellence Center in Industry 4.0, Computer and Communication Engineering for Capacity Building Research Center, School of Applied Digital Technology, Mae Fah Luang University, Chiang Rai 57100, Thailand.
Sensors (Basel, Switzerland)
|June 27, 2025
概括
本研究引入了远程农业太阳能水的无通信控制系统. 分散系统可确保同步运行,无需可靠的通信,防止缺水或溢水.
科学领域:
- 农业工程 农业工程
- 可再生能源系统可再生能源系统
- 控制系统 控制系统
背景情况:
- 太阳能供电的抽水系统对于农业偏远地区,特别是热带地区的供水至关重要.
- 传统系统依赖于通信来实现同步,但由于密集的植被和天气等环境因素,往往不可靠.
- 现有的基于通信的系统面临信号中断的挑战,这限制了它们在偏远,具有挑战性的地形中的有效性.
研究的目的:
- 为系列太阳能站提出一个完全分散的,无通信的控制系统.
- 为了实现无需外部通信链路的同步运行,克服信号中断问题.
- 确保在农业偏远地区提供可靠的水供应,通信基础设施有限.
主要方法:
- 开发了一个带有虚拟传感的离散时间控制算法,用于独立的站运行.
- 每个站都使用模拟邻居传感来估计邻近的状态并保持同步.
- 系统组件包括太阳能光伏 (PV) 阵列,变速驱动器,变速进气,储备和局部控制单元.
主要成果:
- 在各种场景 (晴天,阴天,停电,辐射强度变化) 中进行的模拟显示了稳定状态运行.
- 该系统没有实现过溢或缺水,稳定状态误差在3m3转移时小于4%.
- 在模拟的停电和可变辐射量下,功能得到维护,证明了强度.
结论:
- 拟议的去中心化,无通信的控制系统适用于偏远农业地区的太阳能送.
- 模拟邻居传感有效地同步了没有通信的,提高了可靠性.
- 该系统提供了一个强大的解决方案,用于在具有有限基础设施的具有挑战性的环境中进行水资源管理.
相关概念视频
PI Controller: Design
508
Proportional Integral (PI) controllers are a fundamental component in modern control systems, widely used to enhance performance and mitigate steady-state errors. They are particularly effective in applications such as automatic brightness adjustment on smartphones, where they excel at mitigating steady-state errors for step-function inputs. Unlike PD controllers, which require time-varying errors to function optimally, PI controllers leverage their integral component to address residual...
508
Solenoids
2.6K
A solenoid is a conducting wire coated with an insulating material, wound tightly in the form of a helical coil. The magnetic field for a solenoid is the vector sum of the magnetic field due to its individual turns. For an ideal solenoid, the magnetic field inside is almost uniform and parallel to the solenoid axis, while the magnetic field outside the solenoid is nearly zero.
Each turn in a solenoid can be approximated as a circular current carrying coil that generates a dipole moment. The...
Each turn in a solenoid can be approximated as a circular current carrying coil that generates a dipole moment. The...
2.6K
PID Controller
242
Proportional-Integral-Derivative (PID) controllers are widely used in various control systems to enhance stability and performance. In a thermostat, it adjusts heating or cooling based on the temperature difference between the actual and desired levels. They are often used in automotive speed systems, effectively managing sudden speed changes while maintaining a constant speed under varying conditions. On the other hand, PI controllers, commonly employed in voltage regulation, enhance stability...
242
Control of Power Flow
317
There are several methods to control power flow in power systems:
317
PD Controller: Design
358
In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
358
Fast Decoupled and DC Powerflow
300
The fast decoupled power flow method addresses contingencies in power system operations, such as generator outages or transmission line failures. This method provides quick power flow solutions, essential for real-time system adjustments. Fast decoupled power flow algorithms simplify the Jacobian matrix by neglecting certain elements, leading to two sets of decoupled equations:
300

