Lesson 6: Remote Monitoring & Early Warning for Wind Power
PREPARATION
ENGAGE
Show the picture to guide students to think:
Do Wind Turbines Freeze?
What happens if a wind turbine blade freezes in winter? How can we detect these issues early?
Brainstorming：
Discuss real-world anomalies:
Wind turbines: Abnormal rotation speed, voltage drop.
Link to IoT applications: "How can sensors and the SIoT help monitor these in real time?"
(SIoT is an open-source, free MQTT server software designed specifically for educational scenarios. It enables one-click creation of a local IoT server, freeing you from network - connection worries.
Combined with Mind+, it allows students from primary school to senior high school to easily get started with the Internet of Things.)
EXPLORE
Building an SIoT Monitoring System for Wind Energy
Core Teaching Steps:
Connection:
SIoT Setup Guide
1.Connect to WiFi
Connect your computer to a WiFi network (no internet required).
Use a router or mobile hotspot to create a local network.
2.Download SIoT:
https://github.com/liliang9693/siot_en/releases/tag/siotV1.2-en
3.Run SIoT_windows.exe
Double-click SIoT_windows.exe. A black CMD window will appear.
4.Get Your IP Address
Type “ipconfig”in your terminal to get your IP (e.g., 192.168.9.148).
5.Access SIoT Web Interface
Open your browser and enter:[Your IP Address]:8080
(e.g., 192.168.9.148:8080).
6.Log In
Username: siot
Password: dfrobot
Click "login".
Note: All SIoT instances use the same default credentials.
Coding:
Read voltage to calculate power output, here is the sample code:
Fill in the WiFi’s account and password.
Initialize MQTT Settings:
a.Select Platform: Choose SIoT Platform
b.Server Address: Enter your IP (e.g., 192.168.9.148)
c.Account and password:
Account: siot
Password: dfrobot
d.Topic Format: Project ID/Device ID (e.g., K10/001)
(If “successful” does not appear on the screen, press the reset button until it displays “successful”.)
View Messages on SIoT Web Interface:
Navigate to Device list, you can see your device(e.g., K10/001).
Click “View Messages”.
Enable “Automatically refresh messages” to view real-time data updates:
Click “Hide/show charts” to see data in chart:
EXPLAIN
Sensors convert physical quantities (voltage) to electrical signals.
SIoT protocol transmits data securely over the internet.
Core Teaching Steps:
Explanation:
Guide students to understand the SIoT principles: After setting up an SIoT server on a computer, other devices (e.g., laptops, phones, Unihiker K10) can access the server via WiFi by using the IP address assigned to the computer by the router.
Construct Explanations:
Instruct students to complete the following diagram by filling in the blank spaces.
CHALLENGE
Design a remote early warning system that uses SIoT to send alerts to monitoring staff, prompting them to troubleshoot when the wind turbine remains inactive for an extended period (e.g., >5 seconds).
Core Teaching Steps:
Coding(Local Light Alert):
Coding(remote notification):
Simulating Anomalies:
Experiment Setup:
Manually reduce wind turbine speed (e.g., block the blades slightly or reduce fan speed) to simulate a fault, ensuring the voltage output drops below the normal threshold (e.g., <50mV).
Data Observation:
Record how IoT dashboard detects the anomaly and triggers alarms (local light + remote notification).
CONCLUSION
SIoT Role: Enables real-time monitoring of wind power systems from anywhere.
Anomaly Detection: Combining sensor data, threshold logic enables timely alerts.
Program-L6.zip 
