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Avionics POP design and simulation tool chain system based on VAPS XT software

Avionics POP design and simulation tool chain system based on VAPS XT software

(Summary description) The avionics system is characterized by large scale, many subsystems and complex task logic. The system design, system simulation and code implementation are not smooth. The tools are in a scattered state and can not connect well, the communication of information between different development tasks is mainly in the form of documents, so it is easy to make mistakes in the process of communication, and needs a lot of duplication of work. System testing must wait until the prototype can be completed, the project risk, long cycle.

Avionics POP design and simulation tool chain system based on VAPS XT software

(Summary description) The avionics system is characterized by large scale, many subsystems and complex task logic. The system design, system simulation and code implementation are not smooth. The tools are in a scattered state and can not connect well, the communication of information between different development tasks is mainly in the form of documents, so it is easy to make mistakes in the process of communication, and needs a lot of duplication of work. System testing must wait until the prototype can be completed, the project risk, long cycle.

Information

Overviews
       The avionics system is characterized by large scale, many subsystems and complex task logic. The system design, system simulation and code implementation are not smooth. The tools are in a scattered state and can not connect well, the communication of information between different development tasks is mainly in the form of documents, so it is easy to make mistakes in the process of communication, and needs a lot of duplication of work. System testing must wait until the prototype can be completed, the project risk, long cycle.

     VAPS XT is a COTS tool for avionics human-machine interface design. It covers all the design and development stages of avionics integrated display interface development, including interface design, rapid prototyping, simulation and testing, and interface deployment, can effectively improve the design and development efficiency, shorten the development cycle. The IBM Rational family of software products provides systems engineers and software developers with collaborative design and development capabilities to create real time or embedded system software. It helps developers and engineers analyze and validate requirements, quickly design through prototypes, and deliver more consistent applications using SYSML and Unified Modeling Language.

In accordance with the existing avionics system developers with the combination of advanced COTS tools VAPS XT and IBM rational rhapsody, can effectively improve the system development efficiency, shorten the development cycle, reduce the LCC system. To this end, we propose the VAPS XT and Rhapsody software for avionics development process. This project adopts vaps xt software as the center, interconnects with many tools, and makes seamless connection through the design of the interface module of the tools.

Development Process and current situation of avionics POPThe current flow of avionics POP is shown in figure 1. It can be divided into 4 STAGES: design stage, development stage, simulation stage and evaluation stage. The design stage mainly completes the avionics system interface design and the logical design, forms the design document, the development stage transforms the design document to the airborne system may run the procedure; In the stage of simulation, the real or semi-real system is tested, and in the stage of evaluation, the final user experiences and comments are given.

In each stage of POP development, there are 5 working groups involved in the development of avionics system, which are interface design group, logic design group, development group, experimental group and Evaluation Group. The interface design group and the logical design group participate in the design phase of the avionics system, respectively completing the POP interface design and the logical design to form the design document; the Development Group participates in the development phase and undertakes the system software development; the experimental group participates in the simulation phase, according to the test case, the system simulation test is completed, and the evaluation team is involved in the evaluation phase to evaluate the development of avionics system.

     In the current development process of avionics POP, the work of the various stages and working groups can not effectively link up, there is duplication of work, and the work of the relevant working groups can not effectively inherit. At the same time, for the work of the working groups themselves, also can not achieve effective accumulation and reuse. Such a great loss of human resources, increase the system design and development costs, extend the development cycle. VAPS XT and IBM Rational Rhapsody are mature COTS tools, which are widely used in their respective fields. The VAPS XT and IBM Rational Rhapsody software can be applied to the avionics system development, which can effectively improve the work efficiency of each working group, link up the work contents of each working group, and improve the reuse rate of the work results, then shorten the development cycle of avionics system, reduce the development cost.

VAPS XT and IBM Rational Rhapsody are used in the following table: VAPS XT and IBM Rational Rhapsody are used in avionics system design and development, and the avionics system development flow is shown below.

Pop Design and simulation tool chain integration solution:
        In this paper, the recommended avionics POP design is based on the VAPS XT software, which provides high quality graphic application and improves the execution efficiency by developing man-machine interface with VAPS XT as the core, save a lot of manpower and time. This solution design, the system division of Labor is clear, clear structure, the system more hierarchical, more modular. And each tool realizes through the interface, carries on the seamless connection.


Implementation of tool chain integration
System composition and function
Development Tools:

    1) The DOORS requirements management software VAPS XT integrates with DOORS for requirements-based development design and validation, and provides requirements analysis applications, requirements change management and requirements tracking.

    2) The business modeling software adopts VAPS AND RHAPSODY GRAPHIC UML to design the modeling method, which is convenient to realize the dynamic display of each display screen, and to design and drive the simulation components needed to be made Through UDP, NCOM, shared memory and other communication mechanisms to achieve data connection, driven by internal or external procedures.

    3) VAPS XT display and control development software uses VAPS to develop avionics main flight display (PFD) screen, multi-function flight display (MFD) screen, CMS information page screen, MCDU display screen, Hud and various simulation control panels.

    4)The development software of SIMULINK MODEL ADOPTS VAPS and Simulink graphic design and modeling mode to realize the dynamical system display of the interrelation among the display images, and uses Simulink to model, simulate and analyze the dynamic system, provides system behavior modeling applications.

    5)Vs.net  tools such as vs. 2008, vs. 2010, compile code automatically generated by Rhapsody, Simulink, Vapsxt, and generate executable files. Tool chain seamless integration and interface implementation:
    1)VAPSXT DOORS seamless connection interface implementation and application DOORS requirements associated with VAPSXT,

    2) Non-ARINC 661 Standard Vapsxt Rhapsody seamless interface implementation and application development process using a PFD page, which Adi, altimeter, airspeed meter design data drive.

    3)Implementation of seamless connection and application development process for Arinc 661 standard Vapsxt something Rhapsody
◇Application case
    ◆ VAPS-XT661 offers two pages:

    ◆PFD PAGE: includes conventional instruments (altimeter, airspeed meter...)

    ◆ General page: including 2 basic engine instrumentation, buttons and other basic controls

    ◆ Each page gets the emulation data through UA2 Test Harness

    4)Implementation and application of seamless joint of Vapsxt something Simulik

◇ Application case
      The VAPS XT page is designed with three instrumentation controls and two check boxes. The instrument parameters are driven by analog data in external simulink module, and two check boxes control the display/hide of two instruments. Integrated Development and application of tool chain

    ◇CUSTOM DEVELOPMENT OF ARINC 661 Standard Control

    ◇ Custom development of non-ARINC 661 control

    ◇ Development of avionics POP page

    ◇Virtual Instrument

    ◇Pop Simulation

    ◇ Automatic Generation of full-featured, interactive applications

    ◇ Generate optimized code

    ◇ Document generation

 

 

Category: Electronic System Simulation

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