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Speed measurement

PORTABLE ROADSIDE SENSORS FOR VEHICULAR COUNTING, CLASSIFICATION AND SPEED MEASUREMENT

PORTABLE ROADSIDE SENSORS FOR VEHICULAR COUNTING, CLASSIFICATION AND SPEED MEASUREMENT

... 1%. Speed measurement is based on the calculation of the cross correlation between longitudinally spaced ...the speed measurement from the new sensor ...the speed estimates is less than ...

17

Wireless Wind Speed Measurement Based on Three–Axis Ultrasonic Anemometer

Wireless Wind Speed Measurement Based on Three–Axis Ultrasonic Anemometer

... wind speed measurement system with wireless network, ultrasonic sensors, upper computer, ...wind speed and direction measurement method is ...

6

High accuracy speed measurement for rotary motor based on DSP

High accuracy speed measurement for rotary motor based on DSP

... closed-loop speed control is needed, so the induction motor speed is ...motor speed control system, the accuracy of speed measurement makes great impact on the performance of motor ...

5

Fibre optic sensor for speed measurement

Fibre optic sensor for speed measurement

... simple design and the use of low cost components compared with other more sophisticated and rather expensive speed measurement systems, the sensor presented in this thesis is accurate [r] ...

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Development of an Electronic Speed Measurement System for Evaluating the Accuracy of GNSS Receivers and Statistical Analysis of Their Performance in Speed Measurements

Development of an Electronic Speed Measurement System for Evaluating the Accuracy of GNSS Receivers and Statistical Analysis of Their Performance in Speed Measurements

... their speed measurement ...influencing speed errors in GNSS ...a speed measurement system named Correvit for GNSS speed testing and Correvit represents quite an advanced ...

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The Vehicle Counting, Classification and Speed Measurement Using AMR Sensors

The Vehicle Counting, Classification and Speed Measurement Using AMR Sensors

... ABSTRACT: This paper concentrates on the development of a portable roadside magnetic sensor system for vehicle tallying, order, and speed estimation. The most magnetic field detectors permitted route over ...

5

Fall speed measurement and high-resolution multi-angle photography of hydrometeors in free fall

Fall speed measurement and high-resolution multi-angle photography of hydrometeors in free fall

... The near-infrared motion sensor device that is used for triggering the cameras and measuring fall speed has been de- signed to detect the smallest hydrometeors, whether liquid or ice. Each sensor array contains ...

9

High-speed 3D shape measurement using Fourier transform and stereo vision

High-speed 3D shape measurement using Fourier transform and stereo vision

... To balance the accuracy and speed, this paper pro- poses a high-speed 3D shape measurement method based on Fourier transform profilometry and stereo vi- sion. Instead of using 8-bit gray sinusoidal ...

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Short-term wind power forecasting using a double-stage hierarchical ANFIS approach for energy management in microgrids

Short-term wind power forecasting using a double-stage hierarchical ANFIS approach for energy management in microgrids

... actual measurement records of the wind farm SCADA system ...wind speed, wind direction, air pressure, air temperature and hu- midity) and the actual wind speed measurement re- corded by the ...

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A Sensorless Speed Estimation For Brushed Dc Motor At Start-Up

A Sensorless Speed Estimation For Brushed Dc Motor At Start-Up

... sensorless speed measurement techniques have been proposed for brushed DC ...rotor speed at operating speed and only [9] is able to estimate the rotor speed at starting by removing or ...

7

High-speed camera-based measurement system for aeroacoustic investigations

High-speed camera-based measurement system for aeroacoustic investigations

... point-wise measurement, which objects the requirement of an imaging ...sor) measurement volume have been presented (Voigt et ...the measurement rate equals the random particle rate passing the ...

12

Technologies of Physical Monitoring and Mathematical Modeling for Estimation of Ground Forest Fuel Fire Condition

Technologies of Physical Monitoring and Mathematical Modeling for Estimation of Ground Forest Fuel Fire Condition

... For measurement of a profile of volume soil humidity some gauges 7 humidity of a ground ...For measurement of conductivity of water provided the gauge ...

6

Intelligent heating of a room

Intelligent heating of a room

... The self learning system is tested in two different ways. The first tests will be done by only varying one temperature and see if the system calculates the right values for the heating speed. Next all the ...

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Load Balancing Algorithm In Task Scheduling Process Using Cloud Computing

Load Balancing Algorithm In Task Scheduling Process Using Cloud Computing

... the measurement and reporting time is plotted against the number of slaves corresponding to a master, where the link speed b is varied and measurement speed a is ...the measurement and ...

8

High-Speed Stickiness Detector Measurement: Effect of Temperature Settings and Relative Humidity

High-Speed Stickiness Detector Measurement: Effect of Temperature Settings and Relative Humidity

... We selected 150 commercial cotton bales representing a wide range of stickiness and types of contamination from whiteflies, aphids, and physiological sugars. Samples came from three different growing regions. Fifty bales ...

9

Ultrasonic metal sheet thickness measurement without prior wave speed calibration

Ultrasonic metal sheet thickness measurement without prior wave speed calibration

... The motivation for this work was to exploit the dispersion curves of the SH guided wave modes to measure thickness through a time rather than amplitude measurement. Time measurements generally provide superior ...

7

High-speed interferometric FBG interrogator with dynamic and absolute wavelength measurement capability

High-speed interferometric FBG interrogator with dynamic and absolute wavelength measurement capability

... Matching the spectral width of the FBGs to the free spectral range of the MZI is also crucial. In this work, the measurement resolution of athermal FBGs was better not only because of their temperature stability, ...

7

Calcification of thyroid nodules increases shear-wave speed (SWS) measurement: using multiple calcification-specific SWS cutoff values outperforms a single uniform cutoff value in diagnosing malignant thyroid nodules

Calcification of thyroid nodules increases shear-wave speed (SWS) measurement: using multiple calcification-specific SWS cutoff values outperforms a single uniform cutoff value in diagnosing malignant thyroid nodules

... shear-wave speed (SWS) measurement among different calcification groups and compare the diagnostic performance between using a single uniform SWS cutoff value and multiple individual calcification-specific ...

11

Investigating operator vibration exposure time of 13 hp power tiller fuelled by diesel and biodiesel blends

Investigating operator vibration exposure time of 13 hp power tiller fuelled by diesel and biodiesel blends

... The measurement of vibration acceleration was done in three directions (lateral, longitudinal and vertical) according to ISO 5349-2 (2001) standard (Fig. 1), simultaneously at the same time measur- ing of ...

8

Profile measurement of concave spherical mirror and a flat mirror using a high speed nanoprofiler

Profile measurement of concave spherical mirror and a flat mirror using a high speed nanoprofiler

... When we compare the repeatability results, we see that the repeatability in each direction varies depending on the measurement. Because we used a raster scan method for these measurements, the acceleration and ...

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