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Embryo said particleboard panels on the quality control system design

Abstract：Proction, construction, transport, trade, science, technology and daily life without weighing. With the progress of the modernization of instrial automation and management, Weighing way from the traditional mechanical lever to the development of intelligent digital weighing weighing. Weigh in particular has developed rapidly. It uses new technology, digital signal processing chip, the development of automatic weighing systems and devices Weigh to improve the accuracy. This paper presents a practical item -- particleboard proction line based on the design automation, in the design of a vibration plate embryos under Dynamic Weighing said. In the design and development board said embryos used a combination of theoretical analysis and data correction methods. Firstly, the board said embryo model, its static and dynamic analysis. In this process to make some basic assumptions, the graal simplification of the model, and then use the classic model, theoretical analysis. Build on the existing equipment data acquisition model for vibration data collection, analysis and the results were compared. changes in the actual value as a standard model. Repeat this process until the results of theoretical analysis and experimental data measured in the basic agreement, The ultimate theoretical model using measurements from each embryo board calculated the actual quality of the design to achieve the ultimate goal. The board said the design meet the requirements of the embryo on the basis of an analysis of the actual situation in the proction line. established a link plate embryo called the closed-loop feedback control system. System lapse consider the characteristics of generalized predictive control algorithm chosen as a control model. In terms of hardware design, consider the specific requirements of the two parties and the stability of system and molar design. First, it will split up the task automation, screening, inction; Then, in summing up these common functions, to concentrate. molar design; Finally, in the molar hardware design based on the increase in human, simple design, for example, increase the light to change mole and the links between moles, In so doing, not only to facilitate the use of hardware buyer staff quick way, on the other hand, has brought great convenience to maintain. In software design, but also highlights the principle of simplicity. VC + + Builder 6.0 software interface straightforward and clear, simple and convenient control parameter changes; control curve and the results of the mapping of the entire control process in another state under external control; In order to facilitate the modification and debugging. We also established a state of the process control parameters indicated interface, the use of these state parameters. from the implementation of the internal control process monitoring. Dual control of the means of ensuring the stability and security. System design, the establishment of a multi-use Serial Communication Instrial Computer-chip. Consider hand, automatic switching, a computer do the conventional mainframe model for SCM system to the mainframe. SCM system will automatically hand the role of public sectors, to improve the security of the system also reces costs. After repeated improve all aspects of the above, the scene of trial operation, the system can prove : pre-designed, Operation stable, reliable. Use separate boards and the accuracy of 3% said embryos used to control model, embryo quality control boards and the accuracy of 2%. meet the design requirements of the buyer. Meanwhile, the board said the design of embryos successfully demonstrated under the conditions : severe vibration measurement dynamic weighing the feasibility of Embryo research methods and the board said that the model can be applied to other similar situations, such as : On-line monitoring of overweight highway vehicles.

Key words: dynamic Weigh; Generalized predictive control system; Molar design;

㈡ 攀藤科技激光传感器用什么材料做的

光敏类材料

传感器是一种检测装置，能感受到被测量的信息，并能将感受到的信息，按一定规律变换成为电信号或其他所需形式的信息输出，以满足信息的传输、处理、存储、显示、记录和控制等要求。
传感器的特点包括:微型化、数字化、智能化、多功能化、系统化、网络化。它是实现自动检测和自动控制的首要环节。传感器的存在和发展，让物体有了触觉、味觉和嗅觉等感官，让物体慢慢变得活了起来。通常根据其基本感知功能分为热敏元件、光敏元件、气敏元件、力敏元件、磁敏元件、湿敏元件、声敏元件、放射线敏感元件、色敏元件和味敏元件等十大类。