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PROTOTYPING A prototype refers to the preliminary version of a device from which other devices will be developed. It is usually used for testing a concept. This week our group was mainly dealing with finalizing our prototypes which were on the IR-thermometer. The thermometer infers temperature from a portion of the thermal radiation emitted by an object being measured. It is sometimes called a laser thermometer as a laser is used to help aim the thermometer. It works by measuring the temperature of infrared energy which every material or object with a temperature above absolute zero radiates. A lens focuses the infrared radiation onto a detector which in turn converts this energy into an electric signal. After compensating for the ambient…

REVISIT TO THE DIT DESIGN STUDIO

REVISIT TO THE DIT DESIGN STUDIO Bwere, Daniel E. September 27th, 2020.   February 2020 So here I am prepping with my friends for the Lemelson Engineering Internship interview come summer 2020. I’m just in my headspace all-reaching for an internship position abroad, preferably at Rice University in the United States.  I got through with an internship position at Malawi. That’s still great considering the need for exposure I long for from abroad and I’ve never been abroad-at least in my grown-up awareness.  Here comes, Corona and stuck we are wherever we are. The insecurities and chaos brought about by the pandemic was and still is something none can fathom. Thus,  internships have to be conducted virtually. Unfortunately, at our…

Finally the end is here. FINAL PROJECTS

                                                FINAL PROJECTS On this week we were assigned our final projects that were based on the problems we observed through our hospital visitation at Muhimbili National Hospital and CCBRT , our team was assigned to design a length board. A length board is an instrument that is used to measure the height of kids in hospitals so as to monitor their health progress. The existing length boards we observed at muhimbili national hospital had some problems that the users were facing . the existing length boards are completely made of wood so if they get in contact with water for a long time they will rot, also the head piece is very loose that sometime when the babies are measured…

FINAL PROJECT PRESENTATION

FINAL PROJECT PRESENTATION By: Arslan Dogar The activities of last week were mainly to complete the final project. We had been assigned to complete the bubble CPAP machine before Wednesday. The time was limited and the work that had to be completed before the deadline was huge. So it was evident that we had to work a lot in order to complete. We had to work day and night, and sometimes leaving the design studio at 1:00 Am. but the hard-work and dedication didn’t go in vein, as the target of completing the project before the deadline had been attained to a large extent.  Working on Final Project We left for Muhumbili National Hospital on morning of Wednesday so as…

COMPLETING INFRARED THERMOMETER PROJECT

COMPLETING INFRARED THERMOMETER PROJECT By: Arslan Dogar Infrared thermometer was the most challenging project assigned during the Industrial Practical Training period, it required us to code the Arduino program, testing the code by building actual circuit, soldering the circuit and diagnosis, 3d printing the housing design and finally fitting the circuit into the housing and testing. Initial Testing of the Circuit Some of these procedures proved to be very challenging and caused a lot of delay to the completion of the project, extending the time span to approximately 3 weeks. The main challenge that we faced during the project was the soldering and diagnosis of the soldered circuit, initially the delay had been caused by female headers not being available….

REVISIT TO MUHUMBILI NATIONAL HOSPITAL

REVISIT TO MUHUMBILI NATIONAL HOSPITAL By: Arslan Dogar The first visit to Muhimbili National Hospital was amied at needs findings for the hospital which resulted in alot of projects that we could work on. These projects included; the bubble CPAP (continuous positive air pressure) machine, wall sanction machine, the length board, automatic chest compressor and others. The project that we were assigned to complete was the Bubble CPAP machine for pediatric intensive care unit (PICU) at the hospital. There was an urgent need for the bubble CPAP machine in this unit of the hospital as it didn’t even operate a single CPAP machine. Basically Bubble CPAP is a non-invasive ventilation strategy for newborns with infant respiratory distress syndrome (IRDS). It…

DESIGN STUDIO ACTIVITIES DURING INDUSTRIAL PRACTICAL TRAINING

DESIGN STUDIO ACTIVITIES DURING INDUSTRIAL PRACTICAL TRAINING Dogar, Arslan A. September 28th 2020  The Industrial Practical Training (IPT) began with orientation of the Design Studio at Dar-es Salaam Institute of Technology. It began with a fun and creative activity of building a tower out of pieces of wires which was aimed at estimating the skill and creativity level. This activity was followed by a brief introduction of the activities that will be carried out during the entire IPT period which include laser cutting, 3D printing, Arduino programming, diagnosis of various equipment, visits to various health institutions and other possible tasks.  The following day, an introduction to laser cutting was conducted which included the safest and most reliable procedure to operate…

Research and needs finding

       Yah! It’s another busy week where we have been visiting different hospitals in Dar es Salaam to find different needs relating to the problems they are facing. We started by visiting Muhimbili National Hospital and the next day we went to CCBRT under the supervision of Madam Julia.                      AT MUHIMBILI NATIONAL HOSPITAL     We started at the Pediatric Department where we first walked around the Department to find out the problems it is facing. Then we went to the Pediatric ICU under the supervision of the Doctor in charge. The Doctor explained to us about the ICU, components used in the ICU and the challenges they face.   Among the problems the doctor explained are: -Suction machine: the current…

THE ROBOT CHALLENGE

  Bwere, Daniel E. The week started with a hectic challenge of designing sumo robots to contest in the sumo robot challenge. The sumo robot had to be a three-wheeler: a single all-round wheel and two servo-driven wheels.  A lot had to be done which would help practise the skills gained on 3D printing, laser cutting and Arduino. My idea was to play both defense and offense. In offense, the robot would have a kicker, and in defense, the robot would be able to run if an opponent would come closer to a defined no-man’s land.   I began by designing the inner flat chassis on which the components were to be fixed. This wasn’t difficult since it was just…

Iterations: High-level Prototyping

Iterations: High-level Prototyping Bwere, Daniel E. Definitions: A client is an individual with a challenge, whom we are trying to design a solution for.   Introduction Iteration is the repetitive process of performing an activity with a desired outcome in mind. In the Human-Centred Design, iterations are done in the implementation stage when prototypes of the final product are developed from low-level unfurnished to high-level furnished prototypes.   How does the process come about?  Since the HCD approach is being considered, then a product is designed to be feasibly accommodating to the client[1] in quo. How can this be achieved? Initially,  all insights on the design were gathered from interviews. Now, a low-level prototype is built following those insights. This…