3 Design requirements
Scalability, replicability and modularity were overarching concerns
for the system design. These make it possible to grow our own
research fleet in the future or to replicate the SEMS for other
e-bike fleets, for example, in different locations in the UK, or in
other countries. This allows for the collection of comparative data
and lowers development costs for monitoring of e-bike fleets. To
allow for the scalability, replicability and modularity of the SEMS,
it was implemented with open source software and open hardware.
The additional design requirements for developing a system to
collect e-bike use data fall into three categories: experimental, data
and engineering. An overview of all design requirements in
relation to the projects and systems reviewed in Section 2 is given
in Fig. 3