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In order to overcome the existing FlexRay bus test equipments' shortcomings, such as complex software and hardware, hard to extend the functionality and so on, a new FlexRay bus data acquisition and calibration system which is based on the high-speed and flexible USB interface is designed in this paper. Details the system's architecture, the hardware and software implementations. Finally uses the...
In this paper, the natural organic polymer flocculants (RHF) is prepared by cationic modified rice husk, a kind of agricultural waste. Effects of flocculation are discussed between RHF and cationic polyacrylamide (CPAM), polymeric aluminum ferric (PAFC) with different proportion, respectively. The results indicate that RHF, with a better salt tolerance, can remove contamination in water effectively...
Based on the theory of cellular automata, this paper stimulates and studies the dynamic evolution of network software, especially in the context of Web services composition. First, the paper discussed the need of trust software engineering based on cellular automata stimulating the dynamic evolutions of network software. Then, a series of algorithms and rules have been proposed, such as how to replace...
Sludge dewatering is a crucial factor in the reduction of sludge volume and transportation costs. Different flocculants were applied in the sludge dewatering experiments and their dehydration effects were discussed. Several parameters of the sludge flocculation were presented, such as water content, turbidity, transmittance and ξ potential. The results showed that the composite flocculation could...
Introduced a CAN bus data acquisition and calibration system, which is based on USB interface. The system integrates applications of the CAN bus and USB bus, two kinds of means of communication. It has the advantages of specific CAN Bus and USB communication such as long-distance, high-performance communications and flexible connectivity, high reliability, and can be applied to many occasions of the...
In this paper, a data acquisition card in monitoring system of power quality is designed and realized according to system real-time performance and reliability requirements. It systematically introduces the hardware and software platforms, analyses device driver development of data acquisition card and its operation mechanism in embedded system. The test shows the driver is working stability, and...
According to the requirements of stability and real-time in on-line monitoring system of power quality, a data acquisition card is designed based on TMS320C6713 and PCI9030, and use Windows CE embedded system as the software platform. In the process of data acquisition card driver development, we used the Jungopsilas driver development tool WinDriver. It provides user-mode library (API) access to...
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