TU BRAUNSCHWEIG
| Carl-Friedrich-Gauß-Faculty | Computer Science
Informatikzentrum

PotatoBox - Miniature-Temperature boxes to study temperature effects on WSNs

WSNs that are deployed outdoors might be exposed to harsh environmental conditions. To enable convenient studies of the impact of temperatures on WSNs, we developed a box that allows the control of the temperature. In anticipation on climatic chambers, this boxes allow the emulation of given temperature values.

Current state

The intention of this work in progress is to evaluate real world temperature conditions. In general climatic chambers can be used to control environmental conditions. However, those devices are expensive and are therefore not suitable to test distributed systems such as WSNs. For this reason PotatoBox was developed to strike a balance between costs and functionalities.

box_0

Peltier Elements


The PotatoBox relies on peltier elements that are wired with a H-bridge. Thus, it is possible to change the voltage reversal electronically and both cooling down and heating up is achieved with one component.


box_1

Cost Efficiency


Compared to climatic chambers, a PotatoBox costs far less. With total costs of about 60$ it is possible to deploy several boxes. Hence, the temperature trace of an entire WSN can be emulated.


box_2

Convenient Evaluations


PotatoBox offers enough space to examine diverse sensor nodes. Each box is equipped with a raspberry pi to monitor UART outputs of the devices under test via ethernet. Moreover, the pi can be used to control the temperature of PotatoBox remotely. Thus, it is possible to set-up severl experiments or reply temperature traces that have been recorded.

Features

A short summary of the features is listed below:

  • Low costs (about 60$ each)
  • Controllable temperature (by hand or remotely via ethernet)
  • Two peltier elements with a power of 60W each
  • Seamless cooling and heating
  • Temperature range of about 5°C to 70°C

Project members at IBR

NameEMailPhoneRoom
Dr. Ulf Kulaukulau[[at]]ibr.cs.tu-bs.de+49-531-3913290110
Dr. Felix Büschingbuesching[[at]]ibr.cs.tu-bs.de+49-531-3913289132
Prof. Dr.-Ing. Lars Wolfwolf[[at]]ibr.cs.tu-bs.de+49-531-3913288138



last changed 2016-04-20, 10:19 by Dr. Ulf Kulau
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