Integrating an electronic nose

What is an electronic nose?

An electronic nose is an environmental sensor chip that can be trained to detect specific smells or compounds in the air. Similar to how a dog can be trained to find things by smell.

Electronic nose training process

You may have seen demonstrations of using an electronic nose detect coffee, chesse or other foods. Making it work in an industrial or commercial setting will require significant investment to collect the data and train the AI system.

Training a robust electronic nose system, requires several steps:

1. Detection criteria

• What needs to be detected
• The environment where detection will be performed
• How the detection results will be used

2. Heater Profile exploration

• Trying out the different heater profiles to determine which detect best

3. Duty Cycle exploration

• Finding a good balance between high energy needs and detection accuracy/time

4. Real-world data collection

• All of the above will determine the scenarios for initially training the system

5. Evaluation of the testing results

• Trying the detection algorithm
• Create a process to enable the system to continue to learn

There are many parameters that need to be taken into consideration. I can help you develop a plan and develop a system that can continue to learn and improve with usage.

About the electronic nose

We use an electronic nose based on the Bosch BME688 sensor. The BME688 is an environmental sensor which measures humidity, air pressure, temperature, and air quality. It can also be trained to detect Volatile Organic Compounds (VOCs) and Volatile Sulfur Compounds (VSCs) in the air. Using Bosch software, the data from the device can be used to create an AI algorithm to detect specific compounds. The device can be used stand-alone or integrated into an environmental monitoring system.

Our Services

We start with a streamlined analysis process (our Starter Package) to determine if the BME688 is right for your use case.

• We will work with you to define your detection needs and environment. (Step 1 above)
• Perform the heater profile analysis. (Step 2 above)
• Provide you with detailed plan for the next phases
• Teach you how to continue to train your electronic nose

You will have two initially trained electronic noses and the knowledge needed to continue to train your electronic noses.

We can continue to work with you to continue the electronic nose development and design a system to meet your needs. Your system may use a combination of portable detectors, permanently placed detectors, sensors integrated into an existing monitoring and automation system or a fully monitored network on sensors. We can design and build what works best for you.

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