Smart-ring control for Smart-home ambience

De Ensiwiki
Aller à : navigation, rechercher
Project schedule.png
Titre du projet Smart-ring control for Smart-home ambience
Cadre Projets de spécialité
Page principale Projets de spécialité image

Encadrants Céline Coutrix




In the growth of the Internet of Things, everything is connected. Because of that, the smart home has been a very popular application. However, controlling the smart home is a complex task hidden behind the smart hub application on a smart home or tablet screen fixed on the wall. Because of the inconvenient controlling, we want to create a device to control the ambience of the room, such as lighting, heating, window folds, and music. To ease the control of these repetitive tasks, we propose Smart-ring control to control these properties.


The objective is to study whether a smart-ring control can have an impact on controlling ambience properties of a smart home compared to some state-of-the-art smart hub application currently used to control those properties. In this experiment, we will test the tasks based on lighting, heating, window fold, and music (with changing volume, play/pause, and skip song).


Smart-ring Control

For the Smart-ring control, we designed a prototype where we have 2 rings fit in together, an Inner Ring and an Outer Ring. As shown in the picture below, the outer ring is a cylinder with a window gap in the middle, the inner ring is another cylinder and will be marked with different colors that indicate the active chosen property. Fichier:Example.jpg

We design the smart-ring so that it will function as follows:

  1. Lighting: Rotation will change the value
  2. Heating: Rotation will change the value
  3. Window fold: Rotation will open/close the window fold
  4. Music: Rotation will change the volume, while one-tap indicate play/pause, and two-taps indicates skip a song.

Smart-hub application

We designed the smart-hub application will functions as follows:



We conducted this experiment in a Wizard-of-Oz type by faking the interaction.

In this experiment, we will conduct the test with 2 prototypes consecutively. One test will be with the smart-ring, follow by a test with the smart-hub application. To balance the test, we will make half of the participants doing the test in that order, and another half doing the test in reverse order (smart-hub first then smart-ring)

For each test, we will create an exact list of task to do. One list for smart-ring, one list for smart-hub application.

There are some survey that we used in this test. After each test with one prototype, we asked the participants to fill in a survey based on System Usability Scale (SUS). At the end of the test, we also have another survey to cover written feedback.


We conduct the experiment in a room where we have

  1. Lighting: will be controlled by a switch on a wall
  2. Heating: will be a monitor screen display fake temperature number
  3. Window fold: will be electronically controlled by a switch located on a wall
  4. Music: will be played on a laptop

Along with the experiment, we recorded the scene with users and their interactions so we can have good analyze afterward.


Time-to-complete-each-task-hub.png Time-to-complete-each-task-ring.png Time-Difference-between-ring-and-hub.png