A Domain-Specific Language for Model-Driven Development of Networked Electronic Travel Aid Systems

This work introduces a domain specific language for the development of networked electronic travel aid systems (ETAs). ETAs help people who are visually impaired to move independently and safely in unfamiliar environments. They are usually developed as part of research projects or by small companies for specific tasks as a proprietary overall system. ETAs would benefit from a unified development process as well as interoperability between products. These systems usually consist of similar human-machine interfaces, but provide different information to the user. In order to focus more on this information presentation, new industrial or research projects should not have to re-engineer such systems. This problem can be solved by means of interoperability, interchangeability and a component-based development of ETAs. Hence components can be reused or even exchanged between products and prototypes. To keep the barriers of developing such systems low, a supporting framework was initiated [6]. This work presents a domain-specific modeling language as part of such a framework that supports component-based development of ETAs.