This paper presents a newly deployed server, IDOS (Interactive Dynamic Optimization Sever), devoted to solving optimal control problems. The paper presents the workings of the server, the modelling language proposed (DOML) and an example of a problem specified in DOML and solved with IDOS. As a result, a user can specify his problem in a programming-language-neutral manner and use the server to attempt to solve it. One of the goals of the project was also to propose a modelling language (Dynamic Optimization Modelling Language, DOML) for defining optimal control problems – in a way that would not depend on constructs borrowed from concrete (lower level) programming languages. The aim of the project was to develop a prototype, online-accessible environment providing the service of solving dynamic optimization problems. Development and deployment of the Interactive Dynamic Optimization Server is a result of a project funded by NCBiR (National Center for Research and Development in Poland) under grant R02-0009-06 (henceforth called briefly the IDOS project). This paper presents a newly deployed server, Interactive Dynamic Optimization Server (IDOS), devoted to solving optimal control problems.

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