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相关概念视频

PI Controller: Design01:24

PI Controller: Design

326
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...
326
Electro-mechanical Systems01:19

Electro-mechanical Systems

1.0K
Electromechanical systems are intricate configurations that effectively combine electrical and mechanical elements to achieve a desired outcome. Central to many of these systems is the DC motor, a device that converts electrical energy into mechanical motion, enabling various applications ranging from simple fans to complex robotic mechanisms.
A key component of the DC motor is the armature, a rotating circuit positioned within a magnetic field. As an electric current passes through the...
1.0K
PD Controller: Design01:26

PD Controller: Design

276
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,...
276
LC Circuits01:21

LC Circuits

2.5K
An LC circuit consists of an inductor and a capacitor, either in series or parallel. Consider a charged capacitor connected with an inductor in series. Before the switch is closed, all the energy of the circuit is stored in the electric field of the capacitor. When the switch is closed, the capacitor begins to discharge, producing a current in the circuit. The current, in turn, creates a magnetic field in the inductor. Because of the induced emf in the inductor, the current cannot change...
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Clamper Circuit01:14

Clamper Circuit

472
A clamper circuit, also known as a DC restorer, represents a specialized variant of the rectifier circuit, notable for its method of taking the output across the diode rather than the capacitor. This configuration lends to several distinctive applications, particularly in handling square wave inputs.
Within this circuit, the diode's orientation prompts the capacitor to charge up to the level of the most negative peak of the input signal. Upon reaching this state, the diode ceases to...
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Control Systems01:10

Control Systems

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Control systems are everywhere in contemporary society, influencing diverse applications from aerospace to automated manufacturing. These systems can be found naturally within biological processes, such as blood sugar regulation and heart rate adjustment in response to stress, as well as in man-made systems like elevators and automated vehicles. A control system is essentially a network of subsystems and processes that collaboratively convert specific inputs into desired outputs.
At the heart...
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相关实验视频

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快速物联网原型设计:用于基于LoRa的设备的视觉编程工具和硬件解决方案.

Juan José López1, Paula Lamo2

  • 1Arduinoblocks and Salesianos Juan XXIII Alcoy, 03804 Alcoy, Spain.

Sensors (Basel, Switzerland)
|September 9, 2023
PubMed
概括

本研究介绍了一个视觉工具,简化了使用LoRaWAN连接的物联网 (IoT) 设备的创建. 该工具与区块编程集成,可实现有效的固件生成和LoRa设备的快速原型设计.

关键词:
在Arduinoblocks的基础上.在 ESP32 中使用ESP32.这就是为什么物联网是物联网物联网.洛拉洛拉是什么意思洛拉旺人 洛拉旺人教育教育教育教育的教育.快速原型设计是指快速的原型设计.

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科学领域:

  • 电气工程 电气工程
  • 计算机科学 计算机科学
  • 电信 电信服务 电信服务 电信服务

背景情况:

  • 由于其远程通信和能源效率,LoRa技术是物联网 (IoT) 应用的受欢迎选择.
  • 开发LoRa和LoRaWAN设备通常涉及复杂的固件编程,对一些应用程序和教育设置构成进入障碍.

研究的目的:

  • 开发一种新的视觉支持工具,用于创建具有LoRa和LoRaWAN连接的物联网设备.
  • 简化开发过程,促进LoRaWAN技术的整合,特别是在教育环境中.
  • 通过直观的图形界面来实现物联网节点的快速原型设计.

主要方法:

  • 开发一个使用Arduinoblocks框架进行区块编程的视觉支持工具.
  • 在图形环境中集成LoRa和LoRaWAN功能.
  • 基于ESP32微控制器和RFM9x模块 (SX127x收发器) 的兼容硬件解决方案的建议和测试.

主要成果:

  • 成功开发了一个用于为LoRa和LoRaWAN物联网设备生成固件的视觉工具.
  • 证明与多种经济硬件解决方案 (ESP32和RFM9x) 的兼容性.
  • 通过三个成功测试的用例来验证该工具的有效性.

结论:

  • 开发的视觉工具大大简化了创建LoRaWAN物联网设备的过程.
  • 该工具与可访问的硬件相结合,为高效的固件生成和快速原型设计提供了全面的解决方案.
  • 这项工作提高了LoRaWAN技术的可访问性,用于教育目的和实际物联网开发.