Research On Key Technologies For Analysis Of Model's Family, Design And Implement Of Its Model For Warfare Simulation

With the development of simulation technology and requirements, simulation technology becomes an important approach to learn and study warfare and warfare simulation is successfully applied to many fields of warfare, such as demonstration and performance evaluation of weapon equipments, military training and analysis of military plans. To build a warfare simulation system, different types of equipments and forces need to be modeled and integrated. However, these models are often in different resolutions and granularities, with complex relations such as inherited relation, composable relation, interaction relation, control&command relation and so on. All these make it a long unsolved problem to design and implement model's family and its model in warfare simulation system. In order to solve this problem and improve the reusability of model, this dissertation makes a deep research on the theory and key techniques of design and implement of model's family and its model. Main work and innovations are listed as following:Model's family, design methodology and model composition in JWRAS (Joint Warfare System) and FLAMES (Flexible Analysis Modeling and Exercise System) simulation systems are analyzed. Following the conclusion that model's family is the collection of models and their relations such as inherited relation, compobable relation, interaction relation, subjection relation, control&command relation and so on. Based on ISM (Interpretive Structural Modeling), the structural model of model's family is built and used for analyzing the characteristic of model's family structure in the perspective of model relations. Based on this structural model, the criterion of model reusability is studied from model's relationship, interface, behavior, assumption and constrain.Aiming at the problem of model representation and model retrieval, BOM ( Base Object Model)-based model representation is studied and it is proved that the presentation capacities of BOM conceptual model and couple system model of DEVE hierarchical system specification are identical. Component retrieval approaches of software engineering are studied, especially on behavior similarity evaluation-based model retrieval approach and interface specification matching-based model retrieval approach. These two model retrieval approaches are applied to BOM Conceptual Model behavior similarity evaluation and BOM Object Model interface matching. At last, a BOM similarity evaluation-based model retrieval approach is proposed. Experiment results reveal that this approach is effective.The composability of model's family is analyzed and a model composition-based design approach for model's family is put forward for the problem of model's family design and model composition. Firstly, a Three-Level architecture model for model's family is presented. The design principle and composition relationship between models in each level are also analyzed. Secondly, a hierarchical system structure model-based classification and design approach for simulation model is presented. Finally, requirements of model composition in engineering practice and insufficiency of model syntactic composition is explained and a model composition approach based on domain-rule is proposed.For the problems of model design, domain function design and common function design of model are studied. For common function design of model, simulation model and its runtime-infrastructure are designed to implement model composition and improve execution performance of model. A multi-level composable HMP (Hierarchical Message and Process) model is proposed, which implements message-passing and process-invoking-based data-passing mechanisms. Parallel time synchronization algorithm, efficient data distribution mechanism and logical process-oriented Min-Max-Exchange dynamic load balancing algorithm of model runtime infrastructure are also studied and applied to parallelizing of HLA federates. Experiment results reveal that HMP model and its runtime-infrastructure can improve the composability and reusability of model and improve the performance of simulation system. .For domain function design of model, BML (Battle Management Language)-based Control & Command (C2) information process approach of simulation model is studied and BML process subsystem of model is also presented. Detail analysis is performed at conception, application, data model, formal grammar, software infrastructure of BML. In order to improve the Time-Space express capacity of BML, its formal grammar is extended.In engineering practice, the theory and key techniques are applied to develop the model's family and its model of an electronic warfare simulation system. The model development tool and model composition tool are designed and realized. At present, the electronic warfare simulation system has been put into service in the army and successfully applied in manoeuvres, which proves the effect of theory and key techniques studied in this dissertation.