Anaerobic Digester

Anaer obic Digester

October 2022

Key aspects: Automation, Actuation and Sensing, CAD, Concept generation, Product Development, Final Design, Test Sampling, Phone App integration, Risk Managment, Report Writing, Presentation and Video.

Key aspects: Automation, Actuation and Sensing, CAD, Concept generation, Product Development (basic), Final Design, Test Sampling, Phone App integration, Risk Managment, Report Writing, Presenting.

Key aspects: Automation, Actuation and Sensing, CAD, Concept generation, Product Development (basic), Final Design, Test Sampling, Phone App integration, Risk Managment, Report Writing, Presenting.

Group Size: 6 people

Group Size: 6 people.

Group Size: 6 people.

Project duartion: 11 weeks

Project duartion: 11 weeks

Project duartion: 11 weeks

Course Name: Automation Project

Course Name: Automation Project

Course Name: Automation Project

Objective:

Objective:

Objective:

To design a commercial ready portable anaerobic digester sample tester and to conduct operational interfacing with a raspberry pi microcomputer and appropriate sensors.


Clarification: An anaerobic digester is a contained system where biodegradable decomposition in the absence of oxygen.

To design a commercial ready portable anaerobic digester sample tester and to conduct operational interfacing with a raspberry pi microcomputer and appropriate sensors.

Clarification: An anaerobic digester is a contained system where biodegradable decomposition in the absence of oxygen.

To design a commercial ready portable anaerobic digester sample tester and to conduct operational interfacing with a raspberry pi microcomputer and appropriate sensors.

Clarification: An anaerobic digester is a contained system where biodegradable decomposition in the absence of oxygen.

We approach this project by splitting the team into two. A hardware sub-team in charge of the design of the device, and an electronics team in charge of the electronic system that make the device autonomous.


Requirements:

  • The device must be portable and be carried by a single person.

  • The sample tested must be contained in a 300 ml Flask (shown in the slideshow).

  • The sample must be maintained at a constant temperature flat level, and a system must be in place to autonomously monitor the sample. While also allowing a user to come in and make modifications through a mobile app.

Design details.

  • Round Casing design, with half sphere lid.

  • Adjustable legs with telescopic mechanism to manually level at uneven ground.

  • Electronics compartment separated from main compartment for easy access.

  • Latch Mechanism to secure the lid.

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The Automation system powered by a raspberry pi microcomputer, included the following electronic Components :


  • Camera, Servo, Load Cell, LED lights, Accelerometer and Gyroscope (MPU6050), Heating Coil and cabling.

  • Image processing and data analysis of foaming generated in the biodegrading process.

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Other Aspects of the project.

  • A pitch presentation and video showing how the system is used.

  • A final report with detailed design justifications.

  • Risk assessment, BOM, Costing and


I was part of the Hardware team. I designed a portion of main assembly, the adjustable legs, the ugly handles and arranged the position of some sensors. I also got to play around with the sensing system and the raspberry pi. It was very impressive to see the small raspberry pi in action, hard to comprehend.


Our Approach this project by splitting the team into two. A hardware sub team in charge of the design of the device, and an electronics team in charge of the

Requirements:

  • The device must be portable and be carried by a single person.

  • The sample tested must be contained in a 300 ml Conical Flask.

  • The sample must be maintained at a constant temperature flat level, and a system must be in place to autonomously monitor the sample. While also allowing a user to come in and make modifications through a mobile app.

Design details.

  • Round Casing and lift acc

  • Telescopic Leveling legs for

  • Electronics Compartment separated from the main compartment.

  • Camera Implementation

Other aspects included:

  • Full costing report and Bill-Of-Materials that included outsourced parts

  • Safety measures, failure analysis and forms of mitigation.

  • Report with the design process to present to the hypothetical client.


Our Approach this project by splitting the team into two. A hardware sub team in charge of the design of the device, and an electronics team in charge of the

Requirements:

  • The device must be portable and be carried by a single person.

  • The sample tested must be contained in a 300 ml Conical Flask.

  • The sample must be maintained at a constant temperature flat level, and a system must be in place to autonomously monitor the sample. While also allowing a user to come in and make modifications through a mobile app.

Design details.

  • Round Casing and lift acc

  • Telescopic Leveling legs for

  • Electronics Compartment separated from the main compartment.

  • Camera Implementation

Other aspects included:

  • Full costing report and Bill-Of-Materials that included outsourced parts

  • Safety measures, failure analysis and forms of mitigation.

  • Report with the design process to present to the hypothetical client.