Design of Three Voltage Level Test System for Auto Sensor Based on LabVIEW

2011 ◽  
Vol 130-134 ◽  
pp. 4147-4151
Author(s):  
Jin Ming Tian ◽  
Lei Zhang ◽  
Cheng Long Gong ◽  
Lin Hai Ji
Keyword(s):  
Data Acquisition ◽  
Performance Test ◽  
Performance Testing ◽  
Test System ◽  
Signal Frequency ◽  
Measured Signal ◽  
Cycle Frequency ◽  
Voltage Level ◽  
Low Duty Cycle ◽  
Data Acquisition Card

A set of data acquisition terminal for automotive sensor three voltage level signal performance testing is designed. It is connected together to form a complete set of automotive sensor performance test monitoring system using NI-6259 data acquisition card and PC data collection terminal. The system can display real-time maximum, minimum and average of high voltage level, middle and low, duty cycle, frequency, and flipping or not. The measured signal frequency range is 1Hz~2.5 KHz. The measured data and the specified range of data interface is contrasted, automatically determined whether it is reasonable, and classified saved.

Monitoring System of Two Levels Non-Continuous Signal of Automotive Camshaft Sensor

2011 ◽  
Vol 328-330 ◽  
pp. 2092-2096
Author(s):  
Jin Ming Tian ◽  
Feng Yu Guo ◽  
Cheng Long Gong
Keyword(s):  
Real Time ◽  
Monitoring System ◽  
Performance Testing ◽  
Measured Signal ◽  
Frequency Multiplication ◽  
Cycle Frequency ◽  
Continuous Signal ◽  
Standard Data ◽  
Data Acquisition Card ◽  
High Level

A data collection terminal for performance testing of non-continuous signal of the automotive camshaft sensor is designed, Using NI-6259 data acquisition card to connect the data of collection terminal with pc, and composed of a complete monitoring system of performance testing of automotive sensor. The system can display the maximum, minimum, average, duty cycle, frequency and frequency multiplication or not of the high level and low level in real-time. And the frequency range of the measured signal is between 1Hz and 8KHz. Compare measured data with standard data, determine automatically whether it is reasonable and save them according to their classification. The test personnel are avoided to test continuously and monitor in real-time, offsetting the lack of single function of the display of test platform and running short of features of analysis and judgment.

The Design and Study on Actuator Performance Test System

2012 ◽  
Vol 566 ◽  
pp. 511-514
Author(s):  
Guo Fu Tian ◽  
Zhong Wei Ren ◽  
Shu Hui Sun
Keyword(s):  
Data Acquisition ◽  
Performance Test ◽  
High Efficiency ◽  
Detection System ◽  
Test System ◽  
Linear Displacement ◽  
Displacement Sensor ◽  
Technical Requirements ◽  
Data Acquisition Card ◽  
Actuator Performance

According to the inconvenience and technical requirements for the current tests, a new method for the linear displacement detection of actuator was introduced in this paper. The actuator stroke detection system was developed based on linear displacement sensor and data acquisition card. This system can meet the precision requirements and it has high efficiency and stability.

Test System for Mechanical Property of Geotextile Material Based on PCI-1714

2012 ◽  
Vol 455-456 ◽  
pp. 217-221
Author(s):  
Zhi Gang Liu ◽  
Qi Xiao Sun
Keyword(s):  
Mechanical Property ◽  
Data Acquisition ◽  
High Speed ◽  
Test System ◽  
Overall Design ◽  
Data Acquisition Software ◽  
Mechanics Performance ◽  
Data Acquisition Card ◽  
High Speed Data Acquisition ◽  
High Speed Data

A solution of intelligent test system for mechanical property of geotextile material which based on high speed data acquisition card PCI-1714 is introduced in this paper. Microprocessor and drive card PCI-1240 are also used to control and drive the test equipment. The article discussed in detail the system’s overall design, the hardware structure, software design, and process of data acquisition. Software is designed by Visual Basic 6.0. This paper research and implement on accurate measurement of mechanics performance of geotextile material.

scholarly journals Integrated Durability of Automobile Alternator Test System Design Based on LabVIEW

2014 ◽  
Vol 8 (1) ◽  
pp. 839-845 ◽  
Author(s):  
Wu Weibin ◽  
Feng Yue ◽  
Du Junyi ◽  
Xu Pengbo ◽  
Feng Yunlin ◽  
...  
Keyword(s):  
Data Acquisition ◽  
Automotive Industry ◽  
Virtual Instrument ◽  
Measurement Errors ◽  
High Speed ◽  
Performance Test ◽  
Test System ◽  
Electrical Performance ◽  
Durability Test ◽  
Limit Test

New standards in the automotive industry highlighted the situation of the actual operation of the alternator and a variety of harsh environment simulation limit test. Using new standards in the automotive industry as a guide, this article presents a virtual instrument based on the durability of automobile generator integrated test system. The design adopt virtual instrument technology in designing the system, Graphic language, LabVIEW is applied in writing measure-control program. The system uses a lot of features on LABVIEW, including Data acquisition, control of serials port, etc. Test implementation uses the host computer via RS232 and RS485 communication port and the data acquisition card, NI PCI- 6221, to control the frequency hybrid motor, temperature control box, electronic loads and other intelligent devices, and to simulate a variety of automotive alternator working conditions and real-time monitoring to monitor the status of generators. Using this system, two separate automobile alternators can be tested in terms of high-speed vehicle impact and high temperature durability test and electrical performance test and other tests at the same time. As a result, the generator speed measurement error is within 1%, the control error is within 2%, voltage and current measurement errors were within 0.5% and 0.4%, which meets the requirements.

Design on High-Precision Condensation Water Measurement in Air Conditioner Performance Testing Chamber

2013 ◽  
Vol 427-429 ◽  
pp. 949-952
Author(s):  
Yuan Yuan Huang ◽  
Fang Wang ◽  
Yi Wei Xiong ◽  
Tian Wu Li ◽  
Yong Li Chen
Keyword(s):  
Performance Test ◽  
Performance Testing ◽  
Measuring Method ◽  
Cooling Capacity ◽  
Test System ◽  
Air Conditioner ◽  
Conservation Of Energy ◽  
Balance Principle ◽  
Testing Chamber ◽  
Water Measurement

Before putting air conditioner into market, it must be checked strictly by inspection department. Balanced ambient room-type calorimeter chamber is used to measure the conditioner performance according to energy balance principle. At present, the principle of conservation of energy is a method with higher accuracy for air conditioner test. In this paper, we focus on introducing the measuring method of condensed water in the test system after explaining the principle of the air conditioning performance test balanced ambient room-type calorimeter chamber. it is used to balance the capacity measured in evaporator air conditioner by controlling the water inflow of the humidifier. In this way, can we achieve precise measuring the cooling capacity of the air conditioner.

Signal Acquisition and Processing in Hydraulic Components Test System

2013 ◽  
Vol 846-847 ◽  
pp. 972-976
Author(s):  
Xiao Teng Zeng
Keyword(s):  
Signal Processing ◽  
Digital Signal Processing ◽  
Performance Test ◽  
Performance Testing ◽  
Digital Signal ◽  
Test System ◽  
Processing Method ◽  
Signal Acquisition ◽  
Performance Parameters ◽  
Signal Acquisition And Processing

The key to the performance test system for hydraulic components is to realize real, fast and accurate signal acquisition and processing. By analysis the analog and digital signal processing during hydraulic components Performance testing, a new signal flow scheme is proposed. It described in detail the acquisition and processing method of serial signals and PLC signals, thus solving the lag and distortion during signal processing and realizing the real-time display of data and the automatic report of performance parameters during hydraulic components testing process.

Design of the Output Performance Test System of Permanent Magnet Linear Force Motor

2014 ◽  
Vol 621 ◽  
pp. 392-399
Author(s):  
Xin Xin Cheng ◽  
Xu Dong Pan ◽  
Guang Lin Wang
Keyword(s):  
Data Acquisition ◽  
Performance Test ◽  
Mechanical Energy ◽  
Test System ◽  
Test Method ◽  
Step Motor ◽  
Feed System ◽  
Current Output ◽  
Linear Force ◽  
A Performance

Electrical energy directly converted into mechanical energy of linear motion by linear force motor, greatly enhancedthe rapid response ability and control precision of the feed system. The product quality of linear force motor can be effectively improved by design a performance test system of linear force motor. The paper designed a performance test system of linear force motor based on the Labview virtual instrument platform, and test project of linear force motor has been planned, the test method, the structure of the test device, power drive module, step motor load part, data acquisition and the software system all have been completed. The test system realized automatic and manual two different kinds of test methods, data acquisition and management and processing function and the good human-machine interface, the linear force motor dynamic and static parameter, including input current, output force and output displacement and the relationships between them have been tested.

Study on the Test System of ERF's Performance

2013 ◽  
Vol 579-580 ◽  
pp. 813-817
Author(s):  
Xin Sheng He ◽  
Peng Huang ◽  
Kai Fei ◽  
Xiao Yi Zhang ◽  
Wei Zeng Chen ◽  
...  
Keyword(s):  
Shear Stress ◽  
Field Strength ◽  
Electric Field ◽  
Electric Field Strength ◽  
Apparent Viscosity ◽  
Performance Test ◽  
Performance Testing ◽  
Test System ◽  
Relationship Of ◽  
The Relationship

Electrorheological fluid (ERF) is a new kind of smart materials, which has a great deal of market value and broad application prospects. To meet the needs of the ERFs performance testing, design and produce of the ERF's performance test system are based on the relationship of the apparent viscosity, shear stress and electric field strength. Select the NDJ-8S digital viscometer, high voltage DC power supply, liquid container, and other parts to constitute the ERFs performance test system after considering the relationship of the apparent viscosity, shear stress, shear rate and electric field strength. The system has potentials to control voltage, change velocity, change the distance between the parallel panels, and test the yield stress of the ERF, shear stress, viscosity and other parameters. The study introduces the hardware and software device, the related experiments, and obtains the relationship of the viscosity, rotational speed, voltage, and plate gap.

Design of FMCW Radar Data Acquisition and Signal Processing System Based on Labview

2014 ◽  
Vol 496-500 ◽  
pp. 1881-1884 ◽  
Author(s):  
Jian Wei Leng ◽  
Chuan Bin Shan
Keyword(s):  
Signal Processing ◽  
Data Acquisition ◽  
Virtual Instrument ◽  
Processing System ◽  
Test System ◽  
Signal Source ◽  
Frequency Signal ◽  
Signal Processing System ◽  
Fmcw Radar ◽  
Data Acquisition Card

For virtual instrument technologys character of high performance, easy to implement hardware and software integration, etc., virtual instrument technology and Labview are applied to test fields. Using computer and NI PCI-6221 data acquisition card as the hardware and LabVIEW8.5 software as a development platform, a data acquisition and signal processing virtual test system is built. The system is consisted of signal source and the signal processing module, in which the signal source is he FMCW radar level differential frequency signal connected by data acquisition card; signal processing section includes a time-domain measurement signal source, waveform display, filtering, spectral analysis, etc. Connecting, analysis and processing of FMCW radar level meter difference frequency signal are completed.

The Design of Test System for Comprehensive Performance of Clutch Booster

2011 ◽  
Vol 103 ◽  
pp. 348-353
Author(s):  
Zai Luo ◽  
Quan Luo ◽  
Wei Jun Fan ◽  
Yi Lu ◽  
Bin Guo
Keyword(s):  
Data Acquisition ◽  
Detection System ◽  
Test Procedure ◽  
Test System ◽  
Experimental Program ◽  
Output Performance ◽  
Comprehensive Performance ◽  
Data Acquisition Card ◽  
Test Requirements ◽  
Electrical Components

According to the enterprise standards of "assembly and test norms for ZQ2005 clutch booster", the test projects for comprehensive performance, including pressure seal, hydraulic seal and input -output performance were researched [1]. An integrated test system based on electrical components, such as the data acquisition card, motion control card, supercharger, proportioning valve, solenoid valve was designed. And the data acquisition and data processing modules of detection system based on MFC were developed. Finally, the test procedure and the experimental program were designed. And the TianLong clutch booster 1608ZB7C-010 was tested synthetically efficiency. The results show that the detection system meets the test requirements in contrast to the test data and curves measured by the foreign instrument.

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