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The usability issues of microwave oven interfaces and proposes more accessible and user-friendly designs. The team surveyed various microwave models, identified problems, and developed two new designs for easier operation, especially for people with visual impairments.
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November 2014 Submitted to: Dr. Pradipta Biswas Adjunct Professor at IIT Mandi Submitted By Neeraj Sharma (B12004) Aman Grover (B12005) Rohit Patiyal (B12015) Jibraan Singh Chahal (B12017) Shivam Satija (B12020) Gautam Suri (B12068) Abhishek Chaudhary (B12120) Sakshama Ghoslya (B12122)
We surveyed different types of microwaves. Manufactures are improving their designs to make them easy to use. Some microwaves have less and easy to use buttons and some are having lots of buttons and harder to use. Some microwave have very tiny gaps between its options, like in figure 1, a person with low vision cannot put the rotating bar exactly on 7 minutes so as to get required cooking Some microwaves have advanced features (figure 3) which are never used because either we never need or we don’t know how to use them. Some microwaves have small buttons which are hardly visible for colour blind persons. In the figure 4 (layout of buttons) the problem with the design is that it is not immediately obvious which buttons will trigger it to cook by microwave, and which one will trigger it to cook by a heating element + fan. “Convection Bake” is a pretty clear, but “Warm” and “Time cook” are not
These two design are chosen as the representative designs to compare with after doing the simulator evaluation. These design provide a display for the timer and other messages. The timer are set using the numbed. There are dedicated buttons for special cooking modes like auto cook, potato etc. The Sophistications provided seem to be confusing rather than being helpful.
The evaluations tests are done basically for the users with cataract and others with loss of active vision. The intensity settings for the impairment is set for 20/100. Existing Design 1 Existing Design 2 Cataract Simulation Cataract Simulation Loss of Active Vision Simulation Loss of Active Vision Simulation
We can clearly see that the new designs are far more intuitive and easy to operate even for people having disabilities. The existing UIs taken into consideration for the evaluation process are having very close button which pose a confusion when seen by people with visual impairments. Left : Cataract Simulation Right : Loss Of Active Vision Simulation New Design 2 Left : Cataract Simulation Right : Loss Of Active Vision Simulation New Design 1
