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Thursday, July 30, 2020 | History

2 edition of Testing of the French piezo-electric cable weigh-in-motion (WIM) truck scale found in the catalog.

Testing of the French piezo-electric cable weigh-in-motion (WIM) truck scale

Mark E. Hallenbeck

Testing of the French piezo-electric cable weigh-in-motion (WIM) truck scale

final report, Research Project Y-3399, Task 10

by Mark E. Hallenbeck

  • 19 Want to read
  • 14 Currently reading

Published by Washington State Dept. of Transportation in cooperation with the U.S. Dept. of Transportation, Federal Highway Administration in [Olympia, Wash.] .
Written in English

    Subjects:
  • Trucks -- Weight -- Measurement.

  • Edition Notes

    Statementby Mark E. Hallenbeck, Neil M. Hawkins, Jua-Been Chang (Washington State Transportation Center) ; prepared for Washington State Transportation Commission, Department of Transportation, and in cooperation with U.S. Department of Transportation, Federal Highway Administration.
    ContributionsHawkins, Neil Middleton., Chang, Jua-Been., Washington State Transportation Center., Washington (State). Dept. of Transportation., United States. Federal Highway Administration.
    The Physical Object
    Paginationxix, 24, [18] p. :
    Number of Pages24
    ID Numbers
    Open LibraryOL16633227M

    Man-made ceramics. Man-made Perovskite materials and tungsten-bronze materials exhibit piezoelectricity. During World War II, in the United States, Japan, and the Soviet Union, remote research groups working on better capacitor materials discovered that some ceramic materials (prepared by high temperature heating metallic oxide powders) exhibited dielectric constants enhanced up to times. Piezo cable isn't cable meant for piezos; rather, it's piezo material in the form of a cable. It can be used for under-the-saddle pickups in guitars and similar instruments, placed in the bridge slot under the saddle. We sell it by the inch (a typical guitar bridge installation requires about 5" of cable).

    Kistler's innovative products deliver maximum quality and exceptional measurement accuracy. The products are used by a variety of applications. The largest deterrent to implementing current weigh-in-motion technologies is the large costs incurred through purchase, installation, and maintenance. In addition, these systems currently require wires to be routed through the road pavement for the purpose of data travel and power.

    Piezoelectric sensors measure the electrical potential caused by applying mechanical force to a piezoelectric material. Piezoelectric sensors are used in a variety of pressure-sensing applications. A few examples: alumina ceramics single crystals ultrasonic transducers A piezoelectric sensor works. We have an application using a PZT disc to evaporate water mixed with essential oil for aromatherapy purpose. The unit works at MHz and the mist performance (ml/hour) varies with the PZT.


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Testing of the French piezo-electric cable weigh-in-motion (WIM) truck scale by Mark E. Hallenbeck Download PDF EPUB FB2

This report documents the testing of a piezo-electric cable weigh-in-motion (WIM) truck scale. The equipment tested was developed by the French national laboratory, Laboratorie Central des Ponts et Chausees. Tests were made on the accuracy of the system's static weight estimates, its estimates of vehicle speed, and its classification of vehicles.

Testing of the French Piezo-Electric Cable Weigh-In-Motion (WIM) Truck Scale Author: Tires, Trucks, Vehicle classification, Vehicle weight, Voltage, Weigh in motion, Weigh in motion scales, Weight Keywords: weigh-in-motion, truck scales, piezo-electric, Washington state Created Date: Z.

Weigh- in-motion. WA-RD Testing of the French Piezo-Electric Cable Weigh-In-Motion (WIM) Truck Scale. Full Document (pdf 3, KB) Authors: Mark E.

Hallenbeck, Neil M. Hawkins, Jua-Been Chang. Originator: Washington State Transportation Center (TRAC) Publication Date.

Testing of the French Piezo-Electric Cable Weigh-In-Motion (WIM) Truck Scale. Full Document (pdf 3, KB) Authors: Mark E. Hallenbeck, Neil M. Hawkins, Jua-Been Chang. Originator: Washington State Transportation Center (TRAC) Publication Date: Wednesday, December.

The Norwegian Public Roads Administration focus on issues to improve weight controls, and the quality of statistic weigh data. An important part of the project is field tests of different methods and equipment for collecting Weigh-In-Motion (WIM) data, with high speed WIM equipment, and V2I communication where the vehicle reports its own by: 9.

tric sensors as an alternative to the conventional weigh-in­ motion scales (9). Piezoelectric cables are made of a piezo­ electric ceramic material wrapped around a conductive core and covered by a 3-mm-diameter outer sheath. Cables are placed flush with the pavement using a steel channel filled with resin.

The French application is an exam ple is sh own in Figure 8 were one piezo electric cable. Five vehicles were selected to conduct multi-sensor weigh-in-motion experiments on the built test.

Talk to our engineers first. They have access to in-depth knowledge and test data on diverse driving and guiding technologies, spanning from electromagnetic to piezoceramic and from mag-lev to air bearings.

They also have experience selecting the right technology for each individual application. RoadTrax BL sensors are manufactured using our unique PVDF, Piezoelectric cable, suitable for applications such as weigh-in-motion, speed, and red light cameras QL Sensors are suitable for weigh-in-motion over a range of speeds, vehicle types, and weather conditions for intelligent transporation system applications such as planning and.

Piezo cable has a number of advantages in certain applications. Due to its coaxial design, the cable is self-shielded, allowing its use in a high EMI environment. The Piezo cable can be spliced to passive coax, using standard coax splice techniques. It is extremely rugged and will stand up to heavy loads.

The abbreviation IEPE stands for Integrated Electronics Piezo-Electric. These piezoelectric sensors with built-in electronics have become the standard for industrial applications. A semiconductor circuit converts the high impedance signal of the piezosensor to a voltage signal with low impedance, which is more easily transmitted.

The analysis presented deals with the accuracy of a piezoelectric weigh-in-motion system installed on Interstate 19 in the state of Oregon.

Axle weights for 5-axle tractor semi-trailer trucks were measured by the piezoelectric weigh-in-motion system and then compared with the static weights. Through the impedance test of the piezoelectric ceramic device, the model parameters and resonant frequency of the piezoelectric oscillator equivalent circuit can be h the measurement and analysis of the electrical parameters such as capacitance value, temperature stability, insulation resistance and dielectric withstand voltage of piezoelectric ceramic devices, it can be known.

Y ou've probably used piezoelectricity (pronounced "pee-ay-zo-electricity") quite a few times today. If you've got a quartz watch, piezoelectricity is what helps it keep regular you've been writing a letter or an essay on your computer with the help of voice recognition software, the microphone you spoke into probably used piezoelectricity to turn the sound energy in your voice into.

If the cable has a high DC voltage, then any capacitance change in the cable will result in a charge flowing and, therefore, a signal. To test this, disconnect your transducer and see if the effect is still present. If so, perhaps your photodiode is ALWAYS disconnected, so check.

This paper presents an experiment, performed on the IFSTTAR circular accelerated testing facility, to evaluate the performance of different weight in motion (WIM) sensors. This project, carried out with the French ministry of transport, aims at improving the performance of these WIM sensors, to allow automated overload control.

Testing Of The French Piezo-Electric Cable Weigh-In-Motion Title: Testing of the French Piezo-Electric Cable Weigh-In-Motion (WIM) Truck Scale Author: Mark E.

Hallenbeck, Neil M. Hawkins, Jua-Been Chang Subject Visit Document. (3) high impedance signal has the potential to be contaminated by environmental influences such as cable movement, electro-magnetic signals and radio frequency interference; (4) since electronics are external, certain models are capable of operation up to F ( C); (5) requires special low-noise cabling; and (6) characteristics of sensor.

weigh -in-motion systems. The French Administration (Ministry of Housing and Transportation) has first undertaken and developed a major research program to obtain a simple, discrete and inexpensive system with wide use possibilities.

Sincethe french "Vibracoax" ceramic piezoelectric cable, patented in by the com­. Pavement management and weigh in motion Altematively, if a piezoelectric cable is used as the diago- nal axle sensor, the width of each ti¡e can be determined from the difference in the magnitude of the cable output produced by the number of tires.

The Parker PDF35 Dual Humbucker with Piezo Electric Guitar is based on the standard MaxxFly body style. It's made of mahogany and features a new rounded style top.

It has a maple neck and is capped with a fret rosewood fingerboard. Also featured are dual humbucking pickups and die-cast tuners.CHAPTERS Recommended Reading CHAPTER 1 Recommended Reading for Piezoelectrics Advanced Fibers and Composites Francis S.

Galasso Applications of Acoustical Phenomena Warren Perry Mason Ceramic Materials for Electronics Relva C. Buchanan Developments in Fabrication of Piezoelectric Devices Kiyoshi Okazaki Electromagnetoe.Quartz piezoelectric weigh-in-motion (WIM) sensors are potentially appealing because of their low sensitivity to temperature fluctuations, according to information gathered from previous installations in other states.

These installations also called into question the durability of the quartz sensors. Some sensors stopped producing a signal even.