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Due to safe working requirement of well testing truck, a type of multifunctional virtual real-time general monitoring system is developed on the basis of deeply studying on the measuring principle of well testing truck, which can measure pulLing force, tension gradient, Lifting speed and well depth of the winch cable of well testing truck at the same time, and has the function of real-time condition...
In order to facilitate the development of hybrid powertrain controller and build a test environment, a hardware-in-the-loop simulation system is developed based on Virtual instrument technology. The system is constructed with LabVIEW RT and Embedded PC. And a rapid prototyping controller is tested both on this HIL simulation system and test bench. The comparison results bewteen simulation and bench...
In-class demonstration experiments give the real time validation or illumination about conceptual theory, especially in the science and engineering teaching progress of undergraduate education. This paper discusses the development and application of an new apparatus based on virtual instrument for in-class experiments demonstrations when the lecture topics need electronic test process. The apparatus...
Time delay estimation is the basis of target orientation of multi-sensor network,while the preliminary analysis and processing of the time delay signal is very important to the time delay estimation.In this paper,a virtual instrument time delay analysis system is designed,which contains: a virtual oscilloscope,a virtual spectrum analyzer,a virtual filter and a virtual time delay analyzer.By the use...
Nowadays, virtual labs are interacting with many domains including education processes, social processes, distributed control processes, data acquisition processes and automation fields. The present paper is focused on the management of the information support required to connect the virtual labs to the processes of temperature, vibration data acquisition and real-time process control using 802.11...
In this paper, the parameters to be measured non- invasively are fetal movement and uterine contractions with the help of novel MEMS based piezoelectric sensor as these may impose stress on the fetus. The recording was performed on 10 pregnant women in the age group of 26-38 weeks of gestation. The sensor shows the good results.
Battery energy manage system is the key technology in the research of electrical vehicle. Signal batteries parameters like voltage and temperature should be acquired accurately and in time in order to show the working state and SOC of battery. Based on the distributed battery signal getting system and virtual instrument LabVIEW, the battery energy management system is developed. Virtual instrument...
Focusing on the research of simulation system for virtual instrument and application of the status, this paper analyzes several third-party software platforms to develop interface for virtual simulation in the Windows environment, then evaluates and compares their performance. With an example of using GL Studio software, we introduce a generating ActiveX control method based on the use of photographs...
Virtual technology of measurement instrument is a significant technology in the field of information technology application. Taking the embedded microprocessor as the core CPU, this paper adopts the modularization design method and proposes a new system structure of handled virtual instrument combined with hardware circuit design technology, embedded operating system program technology and driver...
VI is an instrument based on computer, the application of which is one of the hottest topics in computer applications development and research fields. Remote inspection is the most emergent problem in the product security inspection laboratory. The application of networked VI becomes necessary and feasible. In this paper, we developed a Distributed Real-time Online Inspection System to control VI...
Based on the design concept of virtual instrument and the design method of function modulation, using PC machine and data acquisition card as hardware system, proposed a design of sewage multi-parameter online monitoring system which based on application program platform of Lab VIEW. The system has friendly human-machine interface, the function is comprehensive and it is easy to operate. It has achieved...
This paper developed a pipeline leak detection system based on virtual instrument LabVIEW and described the system principle, composition structure and development progress in detail. The pipeline leak detection system acquired pressure and flow at two ends of the pipeline real time, analyzed data by wavelet analysis functions offered by LabVIEW, detected leak through flow changes and located leak...
Pyrocondensation material is a kind of high scientific and technologic product in wide use. To improve the quality of pyrocondensation material, radiation control is the key procedure .On the basis of full investigation of pyrocondensation material radiation process, this paper puts forward the pyrocondensation material radiation control system based on VI (Virtual Instrument). This method makes full...
Based on dSPACE real-time simulation technology, the mathematical model is built and servo control simulation system of ball-beam is designed by applying modeling methods of Matlab/Simulink system and environment of dSPACE system software and hardware. Actual controlled object, ball-beam system is placed inside simulation loop for simulation study, the controller is designed and the virtual instrument...
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