Alarm Trigger and Reset Command for High-Temperature Ovens
Question
You operate an IoT solution for a plant manufacturing ceramic filter inserts for the automotive industry.
The critical part of the technology where the products are being baked in high-temperature ovens.
A large number of temperature data is collected from several ovens by sensors.
It is important when the average temperature exceeds a certain threshold, an alarm has to be triggered and a reset command to the alert output if the average machine temperature in a 30-second window reaches 200 degrees.
SELECT 'reset' AS command INTO alert FROM temperature TIMESTAMP BY timeCreated GROUP BY TumblingWindow(second,30) HAVING Avg(machine.temperature) > 200Will this code fit your purpose?
Answers
Explanations
Click on the arrows to vote for the correct answer
A. B.Correct Answer: A.
Option A is CORRECT because tumbling windows are a series of fixed-sized, non-overlapping and contiguous time intervals.
It is the best option for cases when data coming at regular intervals must be aggregated at fixed length periods.
Option B is incorrect because tumbling windows are the right selection for the current scenario.
References:
The provided code is a query written in Azure Stream Analytics Query Language that aims to trigger an alarm and reset command when the average temperature of a machine in a 30-second window exceeds 200 degrees. The query uses the input data from a temperature sensor in the manufacturing plant and outputs the reset command to an alert output.
Based on the requirements mentioned in the question, the provided code seems to be appropriate as it calculates the average temperature of each machine in a 30-second window and checks if it exceeds the threshold of 200 degrees. If the condition is true, then the reset command is sent to the alert output.
However, there are some assumptions that need to be made as the code is incomplete. For instance, the schema of the input data, the names of the columns used in the query, and the output destination are not specified in the provided code.
Overall, based on the limited information provided, the given code seems to be suitable for triggering an alarm and resetting the command when the average machine temperature exceeds 200 degrees in a 30-second window.
