MJ Rahimi
ELECTROMECHANICAL Engineer
Mohammadjavad Rahimi is a driven electromechanical engineer with proven academic excellence and a real-world application track record. Holding a Bachelor’s degree in Electrical Engineering and a Master’s in Mechatronics, he has already contributed significantly to the field of engineering. Additionally, he has successfully defended his second Master’s thesis entitled “Optimization-based control of an Over-actuated Kinestatic Haptic Device” in Electromechanical Engineering at Vrije Universiteit Brussel (VUB) in Belgium.
Today, Mohammadjavad brings his extensive expertise and passion for both electrical and mechanical engineering to the forefront of the industry. Currently employed as a Mechatronic Engineer at NeoScan company in Mechelen, Belgium (since September 20, 2023), he is actively contributing to the development of innovative solutions in the mechatronics field. His dedication to addressing complex challenges and delivering exceptional results makes him an invaluable asset to any project.
Fridge Fix Adventure: Saving a Bauknecht Refrigerator Door (MAY 2024)
So, my friend came to me with a bit of a fridge disaster. The door on his Bauknecht refrigerator had a broken hinge, making the entire fridge unusable. The worst part? You couldn’t order a new door anywhere. Challenge accepted!
The Problem
The issue was a tiny plastic hinge at the top of the fridge door. It had snapped off, and without it, the door couldn’t open or close properly anymore.
The Repair
First, I took a good look at the broken piece. It was just a small part of the hinge that had cracked. I decided to design a replacement using my 3D printer. After sketching out the design, I set up the 3D printer and let it work its magic. A few hours later, I had a brand new hinge part that was sturdy and ready to go. With the new piece in hand, I carefully installed it on the fridge door. It fit perfectly, and the door was back to working like new!
The Result
Now, the fridge door works perfectly again, and my friend couldn’t be happier. Not only did we save the fridge from being useless, but we also had a great time fixing it together. It just goes to show that sometimes, with a bit of creativity and the right tools, you can solve even the trickiest problems.
The Takeaway
This little project was a great reminder that fixing things can be incredibly rewarding. It’s good for the environment, saves money, and gives you a real sense of accomplishment. So next time something breaks, think about repairing it before you toss it out. You never know—you might end up having a great time and saving the day! If you ever need advice on a similar project, feel free to reach out. Sometimes a simple fix can make all the difference!
Breathing New Life into Old Gadgets: (FEB 2024)
In trying to fix a vacuum cleaner found on the street, I learned that the secret to giving old devices a second life isn’t just about making an exact copy but making it better. After I took the vacuum home, I carefully measured the part that was broken and started to redesign it with SolidWorks.
To make the part stronger and last longer, I used some smart design tricks, like adding smooth curves at the edges. These curves, called fillets, are really important, especially for parts made with a 3D printer, because they help spread out the stress over a larger area. This is super important for a part of a vacuum cleaner that has to deal with a lot of shaking and pressure.
I also made some changes to the design to strengthen the parts that would have to handle the most weight. By adjusting the shape and adding these extra supports, I ended up with a part that wasn’t just a direct copy of the original but was actually stronger.
I chose a specific type of plastic, PETG, to make the part because it’s both tough and a bit bendy, which is great for parts that move. The very fine detail setting of 0.1 mm on the 3D printer ensured that the improved design was perfectly captured. The special honeycomb pattern inside the part wasn’t just to make it lighter; it also helped the part be more sturdy by soaking up shocks and spreading out the pressure.
As the 3D printer did its work, I saw how modern tech combined with a bit of engineering creativity can do wonders. This project wasn’t just a simple repair; it was a chance to make the vacuum even better than before.
After the part was printed and put in place, the vacuum worked like a charm. This project showed me that with the right know-how and approach, we can fix our gadgets and even upgrade them, making them last longer and work better. It’s a great example of how thinking outside the box, caring for the environment, and aiming for efficiency are key parts of being an engineer today, and how these efforts can make a real difference in our daily lives.
Haptic: (June 2023)
The study explored the use of over-actuation and a hybrid control algorithm to improve force resolution and transparency. Results showed that over-actuation provides higher force resolution, improving fidelity, while the control strategy enhances transparency. These findings have implications for realistic experiences in virtual and augmented reality applications.
Publications
- Dolatabad, Mohammadjavad Rahimi, Abdolreza Pasharavesh, and Amir Ali Akbar Khayyat. "Analytical and experimental analyses of nonlinear vibrations in a rotary inverted pendulum." Nonlinear Dynamics (2022): 1-16.
- Ebrahimzadeh, Elias, Farahnaz Fayaz, Fereshteh Ahmadi, and Mohammadjavad Rahimi Dolatabad. "Linear and nonlinear analyses for detection of sudden cardiac death (SCD) using ECG and HRV signals." Trends Res 1, no. 1 (2018): 1-8.
Working Experiences
Neoscan Co., Mechelen, Belgium (Since 09/2023)
- Work as a mechatronic engineer specializing in Micro computed tomography systems
- Collaborate directly with Alexander, CEO with over 40 years of experience
- Responsible for selecting appropriate electrical components and mechanical design
- Contribute to mechanical design discussions and solutions for challenges faced
- Design PCB using Designspark software
- Perform mechanical design tasks using Solidworks
- Apply GD&T for critical parts in manufacturing
Rahavard Electronics Co., Tehran, Iran (01/2016 - 08/2018)
- Designed electrical boards for home facilities
- Utilized SolidWorks software to design mechanical parts
- Collaborated with other departments to ensure product functionality and performance
- Adhered to industry standards and regulations
Segam Electronic Co., Tehran, Iran (01/2011 - 01/2015)
- Designed and manufactured PCBs for clients in various industries
- Managed project timelines and ensured quality
- Achieved early project deliveries, resulting in increased customer satisfaction
- Applied technical knowledge and problem-solving skills to tackle complex design challenges
Hobbies & Professional Sport Activties
Asian Indoor Games 2014
Asian Indoor Games 2007
Asian Indoor Games 2005
