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    Evolving Capability and Maintaining Compatibility for Naval Aircraft Electronics Test

    Navy jetCompany: Lockheed Martin 

    Industry: Aerospace and Defense 

    Challenge: Delivering a test system capable of testing modern aircraft electronics while maintaining compatibility with existing hardware and software of the previous-generation system. 

    Solution: Using the ProDAQ 3030 PCI Express slot-0 interface to integrate existing VXI instruments with new instruments, chassis, and host PCs. 

    Products

    The electronic Consolidated Automated Support System (eCASS) is the next generation of naval aircraft electronics test systems for use onboard aircraft carriers, replacing the CASS systems currently in use. eCASS requirements include capabilities for testing new aircraft and reducing test times. Also, due to the high investment in software, the Navy requires the new system to maintain with existing test program sets (TPSs). Instruments are thus chosen to optimize for capability and compatibility. Requiring significant changes to either software or test procedures could result in high costs and delays. 

    Lockheed Martin designed a hybrid test system including several VXI instruments in multiple VXI chassis. Due to requirements for newer aircraft and reduced test time, they needed to ensure high-speed data transfers between instruments and the PCI Express host PC, as well as very low first-byte latency. A PCI Express host PC was selected since this standard is replacing the PCI bus used in previous systems. Some of the other PCI Express slot-0 interfaces that Lockheed Martin evaluated required test system components to be powered on in a particular order and would cause the system to crash if portions were powered off. This was deemed unacceptable. 

    The engineers at Lockheed Martin chose the ProDAQ 3030 PCI Express VXI slot-0 interface from Bustec to meet the compatibility and performance needs. By supporting the PCIe hot-plug standard, the ProDAQ 3030 interface allows test operators to power up the PC and VXI chassis in any order, as well as power cycle the VXI chassis without requiring shutdown of the host PC. As the first VXI controller to support the new VXI-1 Rev. 4.0 standard, the ProDAQ 3030 interface fully supports 2eSST transfers, delivering up to 320 MB/s of throughput and latency of less than 2 µs for single word transfers. The ProDAQ 3261 host interface function card is a PCIe card that connects to the ProDAQ 3030 interface using high-speed PCI Express serial bus. There also is a ProDAQ 3262, a PCI card alternative that delivers backward compatibility for using the ProDAQ 3030 interface with PCI-based host PCs. 

    By using the ProDAQ 3030 interface with the ProDAQ 3261 host interface function card to connect multiple VXI chassis to the PCI Express host PC, Lockheed Martin designed a system that preserved existing test procedures and compatibility with existing TPSs while delivering high performance to meet new testing needs and reduced test time requirements.

    Learn More
    Contact us to learn how Bustec can help solve your data acquisition application needs.

     
    "With Bustec, from the delivery of the products to the quality of the hardware, software, and support, we are actually getting more functionality for a decreased price."
    -
    Lockheed Martin
  • 人民日报互联网报道集 2019-10-15
  • 大陆能“容” “登陆族”也要能“融” 2019-09-24
  • 世界互联网大会3日开幕 用友云服务企业数字化转型引关注 2019-09-24
  • 以大众传媒搭建心灵之桥(大家手笔) 2019-09-15
  • 【学习时刻】北大经济研究所常务副所长苏剑:“稳”字当头,用改革稳定企业家和百姓信心 2019-09-15
  • 《对话·寓言2047》第二季在京首演 张艺谋玩起艺术与科技的碰撞 2019-09-09
  • 【高清】海南庆祝“三月三” 2019-09-09
  • 世界各国因为势不如人,所以才会对美国的进逼忍气吞声。美国现在说话意味已不在有什么掩盖,明显的霸权主义威胁意味甚浓!特朗普的冒险性格,让世界处于危险之中!... 2019-09-08
  • 如实引用原帖文的是君子,篡改原帖文的不是人.......... 2019-09-07
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  • 两队防守均是薄弱环节 进攻快VS球风猛谁占优? 2019-08-30
  • 男子8年考公务员62次 称“公务员是我的信仰” 2019-08-16
  • 联合国:叙利亚新增92万无家可归者另有560万难民逃亡邻国 2019-08-15
  • 社会主义社会按劳分配是建立在公有制和私有制并存基础上的,共产主义社会按需分配是建立在公有制基础上的,所有制基础不同,其分配形式也就不同。所谓“共产主义... 2019-08-15
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