Assessing the human role in the early design phase

Many navy new building projects face a double challenge; the variety and complexity of operations are increasing, while at the same time, a reduction in manning is a prerequisite in order to lower building and operational costs. Therefore, it is important to identify the required number and type of crew and the supporting systems in the concept phase.

Johan de Jong & Jos van Doorn,

For a long time the use of weapons and platform systems have relied on a high degree of integrated, multi-sensor data processing and decision support systems. These systems are embedded in a concept of operations (CONOPS) and encompass an appropriate command and control structure, effective communication capabilities & protocols and suitable man-machine interfaces.

Nowadays, the main function of a navy vessel is to offer a stable platform to facilitate a myriad of operations for both weapon and platform(s) deployment. Given the increasing relevance of this type of operation, a CONOPS approach is useful. This includes matching functionalities with different levels of auto- mation and manning in the concept phase.

To this end simulation and full-mission simulators are used. The first assesses the known physical criteria (for instance motion and signature characteristics) and the latter defines the human aspects and mental

requirements during interactive simulations. Many man-machine interactions are defined in this simulator phase.

Simulations require the accurate modelling of the motion and response characteristics of all platforms involved and potential interactions with other platforms (incl. air). Additionally, the prediction of vessel perfor- mance requires online measurement and fast assessment of the environment.

Typical examples of platform related CONOPS using full-mission simulations are lifting (launch & recovery), docking, helicopter landing, evasive actions (torpedo threat), replenishment at sea (or other sea basing) and emergency responses (fire, flooding, NBC attacks).

Concerning the manning requirements and their competences, an early use of simulators identifies the level of automation, as well as the need for advisory systems, team interaction

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protocols and education. In summary, during the concept design of advanced vessels, full mission simulators are essential to analyse the operational tasks and team interactions, to identify the required level of automation and decision support, and finally to establish the necessary training programmes.

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