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This paper is a step forward by making real time control system design to monitor and control process variables to ensure its smooth operation and desired reliability. Liquid nitrogen level in the condenser is a core component of isotopic separation process to obtain (13C), so is needed a special focus on monitoring and control. The goal of the work is to design a controller for the liquid nitrogen...
In this paper, an integrated automation system of energy-fed supply substation based on computer technology and network communication technology is presented. Unlike the traditional secondary system of substation, this system adopts the embedded system to achieve the data acquisition, uses industrial Ethernet as transmission medium, utilizes the intelligent software to monitor automatically, measurement,...
With the development of low-voltage electrical apparatus toward intelligent, network, communication-capable, and its special application, it is necessary to realize remote supervisory for it. This paper designs a remote supervisory system for intelligent motor control protection device based on virtual instrument technology. The system realizes the communication of monitoring PC with lots-dot of motor...
A kind of the real-time temperature monitoring system is developed to safeguard the safety of the joint less rail. The design of hardware and software of the system is introduced. The temperature data collected from sensors of the department of the system is sent to the central department by GSM modules in the way of SMS. GSM module of the central department receive the data and transfer to PC through...
According to the demand of actual application for motors, the software and hardware structure of remote wireless monitoring and control system for the motor based on LabVIEW and GPRS were designed. The paper presented the design principles of the motor's speed measurement system based on the singlechip, studied the communication protocol of the serial interface between singelchip and GPRS module....
LabVIEW is a graphic programming language and widely used in measurement and control systems, but it don't have the ability of formal verification, this may cause potential hazards of conflict, collision and deadlock in large and complex measurement systems. This paper uses Petri net to model and analyse measurement and control system, then mappes it into LabVIEW. The two graphic languages are easy...
Aiming at the online fault diagnoses of the power cable, an online Power Cable Monitoring system is built by using the virtual instrument platform Lab VIEW. In the system, the monitoring surface is designed by using the graphical programming language, and the data acquisition card PCI6221 is used to capture the data and to monitor the state of the online cable. The experiment shows that the functions...
This paper researched on the PL-TCM pickling cold rolling mill of WISCO which was introduced from Mitsubishi - Hitachi Company. Design a mill monitoring and diagnostic system by LabVIEW, which can realize the new functions such as collecting, processing, displaying and storing the parameters such as mill rolling force, motor current and voltage, rotational speed, vibration; history data playback;...
Automated monitoring of high voltage circuit breaker (HVCB) is preference for cost saving in power utilities. In this paper, real-time data acquisition and remote transmission system is designed and implemented. LabVIEW is used for the management software in IPC, has powerful data processing capability, interface support and beautiful interface. The system has all the functions of sampling, measurement...
The security monitoring and control system of tower crane needs high and new technology. The adoption of monitoring and control device, which is based on the labVIEW platform and cRIO module, can approach the achievement of the detection and monitoring of the work condition parameter of tower crane and the control of executing element. On basis of cRIO module, this system configures CAN bus driver...
In this paper, several digital signal processing methods for fish monitoring system of net-cage in deep water based on LabVIEW are introduced. By using software programming techniques to replace the traditional hardware circuit design, we can improve the performance of the monitoring system, such as time gain compensation, correlation signal processing, image processing, and fish stocks estimation...
The monitoring and control of environmental conditions in fabrication areas has become an important issue due to the newest technologies that are usually very complex and very sensitive to the external influences produced by humidity, dust particles, temperature and pressure variations etc. In this context, this paper presents a data acquisition system that is capable to monitor and measure three...
Base on analysis of influence factor about strip's convexity degree and transverse thickness, established online monitoring system of cold rolling strip's thickness and convexity degree, to emulate by application of LabVIEW software, and compare with the practical situation, as result of it could mainly meet requirement of online virtual monitoring.
Long-span Bridge is a distributed, nonlinear, strong-coupling, multivariable and complex time-varying system, And the verification and analysis about their structural parameters is also a huge project. Based on the state-of-art of the bridge monitoring and state estimation, this paper utilizes the CRIO hardware platform and LabView software to develop a monitoring terminal system of data acquisition,...
The remote monitoring system of mine safety based on C/S and B/S mixed mode was developed by using the virtual instrument technology, network technology and database technology. The system consists of sensors,the underground substation, the ground monitoring center remote clients, through internet explorer, the remote client can browse the real-time monitoring data of mine safety, such as gas, wind...
We present a study on the development and testing of a wireless electronic nose network (WENn) for monitoring real-time gas mixture, NH3 and H2S, main malodors in various environments. The proposed WENn is based on an embedded PC, an electronic olfactory system and wireless sensor network (WSN) technology and neuro-fuzzy network algorithms. The WENn used in this work takes advantage of recent advances...
Fuel cell stacks containing hundreds of individual cells are capable of generating high voltage and current values needed for transportation, commercial, residential, portable and industrial power applications. Although majority of hydrogen produced today comes from reformulated natural gas generated through a process that creates a significant amount of carbon dioxide, fuel cell is still a viable...
This paper presents the design of a multi-channel distributed monitoring platform, which is highly suitable to be applied into a traction supply system for urban railway transportation. In our platform are combined the technologies of Ethernet and virtual instrument, fully exerting their merits of large data capacity, high efficiency and low cost. With a HMI (Human Machine Interface) and a VO (Virtual...
By integrating network technology, virtual instrument technology, video image network transmission and Web page fusion technology, the network virtual electronic laboratory based on B/S mode was developed. The network structure of the system consists of the Web server, virtual instrument system, the network video monitoring system, the Web database and the remote clients. The key technical problem...
The dissolved oxygen is one of important factors to evaluate the quality of water. Currently, various aeration and oxygenation devices have been developed for increasing its oxygen concentrations in water. However, the operations of those devices usually depend on the human operation with experience. In this study, we have developed a PC-based virtual instrument (VI) system using LabVIEW, which can...
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