Digital control system design of products
Release Time: 2007-9-18|Read: 644 times | Print
从工程中来，到工程中去 The project, to the project to
——谈数字监控产品系统设计思路 -- Digital Monitoring Products System Design Idea
随着数字技术的发展，模拟监控系统已经作为第一代监控系统的代言人逐步淡出江湖，取而代之的是当今方兴未艾的数字硬盘录像系统，也即所谓的DVR（数字视频录像）产品。 With the development of digital technology, analog control system has been monitoring system as a first-generation voice phasing out of the lakes, replaced by today's ascendant digital video drives, also called the DVR (digital video recorder) products. 近两年来，随着视频板卡硬件技术的升级，硬盘录像机的发展突飞猛进。 Over the past two years, with the video board hardware technology upgrades, disk recorder developed rapidly. 各种品牌的硬盘录像系统如雨后春笋般地涌现出来，成本逐步降低，MPEG-1，MPEG-4等各种压缩格式的硬盘录像机得到了广泛的应用，特别是在银行柜员制监控、小型监控工程等场合有独到的优势. All brands of DVR systems have mushroomed swiftly emerge, gradually reduce the cost, MPEG-1, MPEG-4 compression format such as the hard disk recorder has been used widely, especially in the bank teller system monitoring, control of small projects occasions unique advantages.
但在解决某些问题时，就不可避免地涉及到软件的用户定制甚至结构调整。 But in addressing certain issues, they inevitably involve customized software or even restructuring. 这些问题是（1）对电视墙、大屏幕等显示设备进行综合显示控制。 These are (a) the TV wall, large screen display devices such as integrated display control. （2）要求对多路视频进行显示，有选择性录像。 (2) require the multi-channel video, selective video. （3）要求远程监看视频信号，但不能影响本地显示和录像。 (3) require remote monitor video signal, but does not affect local shows and videos. （4）分层次对视频、音频网络进行管理。 (4) the level of video, audio network management. （5）对报警、门禁等外设的控制与管理等等. (5) alarm, access control, the control and management of peripherals, and so on.
要使用最小的系统完成上述要求，就需要切实分析监控工程的需要，从产品开发设计的角度，完成从硬盘录像系统到视频管理系统的过渡。 Minimum system to be used in the above requirements, the need to effectively monitor of the need, from the perspective of product development and design, complete video system from the hard drive to video management system transition. 经过精心研发和工程考验，联迪“龙睛2000”系列视频管理系统已经从“信息孤岛”形式的硬盘录像产品中脱颖而出，成为分层次、开放性、网络化的视频、信息互融系统。 Through meticulous research and development and engineering test, the Di "dragon eye 2000" video series from management system "information islands" forms of DVR products emerge as hierarchical, open, networked video, information Fusion System.
一、产品设计是工程需求的结晶 One, the engineering and product design needs of the crystallization
2001年4月联迪科技承接了鞍山钢铁公司冷轧2号线监控工程任务。 In April 2001 the technology Di undertake the Anshan Iron and Steel Company Cold Line 2 surveillance engineering tasks. 该工程设计6个分监控中心，一个总监控中心。 The engineering design of six-control center, a center of control. 每个监控中心实现对几个厂房的多路监控点的监视和录像任务，其中有3个分中心互相之间需要实现图像信息互融。 Each control center of the plant and on several multi-point monitoring and video surveillance tasks, including three at center between the need to achieve mutual Image Fusion. 总中心设立指挥室，通过大屏幕、电视墙组合显示系统，对6个分中心上百路视频信号综合管理和调用。 The command center set up rooms, large screens, television combinations wall display system, the center of six hundred video signal integrated management and call. 网络系统采用星形光纤网络来完成信息的网络传输。 Star network system uses fiber-optic network to complete information network transmission. 真正作到全程、全方位的实时监控，对整个厂房内外的情况“了如指掌”。 Real done full, comprehensive real-time monitoring, the entire plant outside the "very familiar."
产品设计以建立信息化网络平台为主要任务，分录像管理、显示管理、矩阵管理、报警管理、传输管理、安全管理等模块进行开发。 Products designed to establish an information network platform for the main tasks of the video management, that management, matrix management, alarm management, transmission management, security management module development. 系统采用数据库支持，确保优异的查询、检索、备份性能。 The system uses the database support to ensure that merit inquiry, retrieval, backup performance. 各个模块可以全部采用联迪自主研发硬件完成，系统性价比优秀。 Each module can be used by all developed hardware Di completed, the system cost-effective outstanding. 也可以分拆融合其他硬盘录像、矩阵、报警卡、门禁、巡更等设备，实现对底层设备的集成，在完成图所示的监控工程上，有突出的性能和价格优势. Integration can also split the other drives video, matrix, warning cards, Access Control, the Patrol and other devices to achieve the integration of the underlying equipment, as shown in the completion of the monitoring project, a prominent performance and price advantage.
二、产品稳定性是工程实用的关键 Two, product stability is the key to practical works
企业监控通常环境恶劣，高温、高噪音、重灰尘、化工重度酸蚀、化工重度碱蚀等各种恶劣的生产状况对产品的质量都是重大考验。 Enterprises are monitoring conditions, high temperature, high noise, heavy dust, chemical severe acid, alkali chemical severe corrosion and other poor production quality of the products is a major challenge. 所以从产品生产环节上确保产品的质量是至关重要的。 So from production areas to ensure the quality of the product is essential. 同时，因为每台主机都需要接入大量的视频音频信号，对设备接口的设计和生产工艺也很关键。 At the same time, because each host access needs a lot of audio and video signals, the equipment interface design and production process are also crucial. 只有从生产的角度上严把质量关，才能最大限度地保证工程的质量，不为售后维护问题留隐患. Only from the perspective of strict production quality, in order to maximize the quality assurance engineering, not after-sale maintenance problems hidden dangers remain.
软件的开发是保证产品功能和应用的核心问题。 Software development is the guarantee of product function and the core issues. 开发具备强大视频网络传输功能的软件，要求有专业化的软件研发队伍全力推进。 Video Network have developed a powerful software functionality, requiring professional software development teams to advance. 从软件系统分析上要定义合理的结构，软件开发过程中科学地进行研发管理，在开发过程中严格进行单元测试和系统测试。 Software Analysis on to the definition of reasonable structure, the process of software development and research and development, scientific management in the development process in a rigorous unit testing and system testing. 在软件研制过程中，应时刻考虑降低内存和CPU占用率等实际的问题，确保软件在完成功能需求的同时，有卓越的稳定可靠性. The software development process, should always consider reducing the memory and CPU utilization and practical issues to ensure the completion of functional software requirements, it is also excellent reliability and stability.
任何产品的研发、生产都需要成熟过程，经过了工程实际考验的产品会从很大程度上得到完善和修正，更有发展的潜力。 Any product development, production processes need to mature, the real test of the project's products will be largely from perfect and that, more development potential. 真正能够深入到企业和社会实际应用领域的产品，在接受市场和成本的考验时，才会具有更实际的竞争能力。 Enterprises can really go to the field and practical application of products in the market and the cost of test, will have a more practical competitiveness.
三、切实开发适合工程需要的监控产品 3, the effective development of appropriate monitoring and control products needed
上述监控系统的设计除了满足大型企业多媒体应用需求之外，在多种实际工程应用中，也显现出了自己的优势，突出表现在成本低廉、功能全面、实用方便等方面，能够解决工程商实际问题. The control system design in addition to large enterprises meet the demand for multimedia applications, in a variety of practical engineering applications, also has demonstrated its advantages, especially in low-cost, fully functional, practical and convenient, can work to solve practical problems.
以一个小区的监控工程为例，该小区共有32路监控信号，其中8路监视车库、大门等敏感区域需要录像，其他地点只作监视即可。 Community surveillance to a project as an example, the total of 32 district road monitoring signals, 8-way surveillance garage door and other sensitive regional needs video surveillance for other locations can only. 实现上，和传统的DVR实现方式不同，只需采用一台“龙睛2000”矩阵主机即方便地完成了上述需求。 Implementation, and the traditional way of DVR different, to use a single "dragon eye 2000" Matrix mainframe that facilitate completion of the above requirements. 用户可以在主机上对8路需要定时录像的信号设置；可以使用其中的8路显示画面对32路中的任何一路切换显示或放大；监控中心的大屏幕投影系统直接显示16画面的监控图像，并反映客户实际操作的步骤，两边的8路电视墙系统可以根据操作员的需要显示任何一路画面，也可以按照设定轮换显示各路信号；可以通过画面对前端云台和镜头实时控制；可以通过笔记本电脑在局域网上监控任意4路实时图像或查阅历史记录。 Users can host on the need eight regular video signal set; One can use the eight-way display of 32-way switch in any way or that amplification; Monitoring Center large screen projection system that directly controls 16 screen image, and reflect the actual operation of customer steps 2 the eight-way video wall system operator can show the need for any road picture, set in accordance with the rotation that rostrum signal; right through the front screen and the camera pan-tilt real-time control; notebook computers can monitor LAN arbitrary four-way real-time image or check the historical record. 在满足客户实际需要的同时大幅节约了工程成本，深受工程商和客户的好评. To meet the actual needs of customers substantial cost savings works, and works by the customer at home.
总结多年监控工程集成和产品开发的经验，我们认为从工程中提炼产品研发思路、产品经受工程考验、开发工程适用的优质产品是公司生存和发展的必由之路。 Summing up the years of integrated control and product development experience, we think that the process works in product development ideas, products withstand the test works, the development of quality products to the survival and development company is the only way. 联迪科技将一如既往地为客户和工程商服务，切实将数字视频监控系统的研制与开发推向新的高度。 The Di technology will, as always, to our customers and engineering services, effective digital video surveillance system research and development to a new height.
