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Figure 2 The absolute encoder Figure3 The signal processing circuit 4.Data communication 4.1 CAN Bus Being different from RS232, RS485, Industrial Ethernet and other buses, CAN Bus is based on data packet ID to carry out data transmission and reception rather than fixed points.
If data packet ID on the bus satisfies point ID table, data could pass, or will be discarded.
The data that system transmits can be divided into two parts.
One is periodic real-time data that are speed, conducting phases.
Other data like speed are transmitted in fixed region.

High speed data acquisition unit transmits the data to the memory unit through the USB data transmission.
When the count value is less than Δt, the comparator module comes out low level, A/D conversion and data receiving module does not work; When the count value equal toΔt, the comparator module comes out high level, A/D conversion and data receiving module start to receive, collect and convey the data to register, after the further processing the data is transmitted to the computer through the USB port.
The module mainly consists of the subtraction module, counter module, comparator module, A/D data conversion module and so on.
Clk is the clock of system, adin is the input data of FPGA through A/D converter, when aeb is generated, ADdata module converts the data and transmits the data to the USB interface module, adclk is the operating clock of A/D conversion chip, adcs is the chip select signal.
“A Digital Circuit for Jitter Reduction of GPS-disciplined 1-pps Synchronization Singnals, ” Advanced Method for Uncertainty Estimation in Measurement, 2007, pp.84-88

The data collection means using certain measuring method and device to measure some team spots’ geometric coordinate of each surface of material object, kinds of methods can be used for data collection.
In surface digital technology, according to the difference of measuring method, the data collection method can be divided to two major types of contact-type and non-contact-type.
This process includes the work bellow: 1, data preprocessing, 2, data separation, 3, data smoothing, 4, data optimization.
In Pro/E program, selects the order of [File]/[New] in major menu to create a new material part, and then selects major menu order [Application]/[Scan-tools] to appoint data density mode ( low density mode), and construct coordinate system, the curve can be constructed after data reading.
At last, aiming to car body, make the car body shape design in ALIAS, and do the data reduction through CATIA.

Under voltage of 220V, this article has carried out ignition test of three categories of combustible substance including polyurethane foam, cotton cloth and newspaper by simulation of short-circuit fault of aluminum conducting wire, so as to get the characteristic parameters of ignition of combustible substance due to short-circuit bead at different heights, summarize the distribution of fire origins for ignition of polyurethane foam due to short-circuit bead at different heights, and provide detailed fundamental data and effective technical support to fire disaster researchers of primary-level fire protection during onsite investigation.
Introduction During the actual work of electric wire/cable, due to the fact that line is subject to long-term external conditions such as dampness and corrosion, aging of wire/cable is accelerated, causing reduction of insulation performance.
See the specific data of ignition of different combustible substances at different short-circuit height as per table 5.6.
These fundamental ignition data can provide detailed fundamental data and effective technical support to fire disaster researchers of primary-level fire protection during onsite investigation.

The data collection is through a field survey based on a questionnaire prepared.
Data Collection: Based on the factors mentioned above, a questionnaire was prepared after the discussion with the experts in the field.
The study is empirical in nature, as statistical and other primary data had been collected through field survey.
The data was collected from 15 steel manufacturing MSMEs from Kanjikode, Kerala state, India.
Production flexibility and Production cost Most of the organizations are concerned with the reduction of production cost.

Phase analysis, crystallite size and lattice parameter properties of TiO2 were determined based on the data obtained from X-ray diffraction (Bruker’s D8 advance system, Bruker’s AXS, GmbH, Germany) study in which Cu Ka radiation source was used.
For comparison purposes, the data reported in ICDD files for anatase and rutile phases of titania is also presented in this figure.
It can also be seen that the absorption data of all the thin films is fitted very well into the equations of direct band-to-band gap transitions in comparison to those of indirect transitions.
As can be seen from the photocurrent data of Fe-doped TiO2 thin films (with 0, 0.5, 1 and 10 wt.%), the pristine TiO2 generated relatively higher current upon light irradiation when compared to dark.
Summers, Electrochemical reduction of aqueous carbon dioxide to methanol, U.S.

The PCI-2 data acquisition (DAQ) card and R15 sensors are used to improve the precision of UAEs detection.
Use the tomato plant data with the empirical deduction under the modern greenhouse conditions, the relationships among UAEs, transpiration and UAEs signal strength is described by curve.
The plant water stress leads to reduction of root absorption, so that the limited water of soil can be used longer.
The UAEs are detected with the μDiSP™ Digital AE system via PCI-2 data acquisition card and R15 transducer which made in Physical Acoustics Corporation and connected with computer through PCI port.
Data acquisition was performed with a detection threshold of 30 dB, a frequency range between 100 kHz and 1 MHz (Sandford and Grace 1985), and a rate of 5M samples/second.

Exfoliated graphite has seen a significant reduction for composites in electrical resistivity.
A set of data which relate the concentration of additives to physical properties will be studied.

However, the further increasing of nanoclay content of >15 wt% of nanoclay has caused a significant reduction in tensile, elongation at break and optical properties of PLA matrix.
Introduction The use of biodegradable polymers has contributed to a reduction in environmental problems.
The reduction of elongation increase with the increasing of nanoclay contents.
The significant reduction on WVP started with the addition of nanoclay from 10 wt% to 30 wt%.
The data shows a slight, but not statistically significant trend that as nanoclay content increases, oxygen permeability decreases.

Comparison of a New Passive and Active Technology for Vibration Reduction of a Vehicle Under Uncertain Load.
Pelz1,d∗ 1Chair of Fluid Systems, Magdalenenstr. 4 64289 Darmstadt, Germany 2Institute for Product Development and Machine Elements, Magdalenenstr. 4 64289 Darmstadt, Germany aphilipp.hedrich@fst.tu-darmstadt.de, bferdinand.cloos@fst.tu-darmstadt.de, cwuertenberger@pmd.tu-darmstadt.de, dpeter.pelz@fst.tu-darmstadt.de Keywords: vehicle, chassis, active air spring damper, fluid dynamic absorber, quarter car, vibration reduction, control of uncertainty Abstract.
[19] ISO, Mechanical Vibration - Road Surface Profiles - Reporting of Measured Data, ISO 8608, Geneva, 1995