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Now showing items 1011-1020 of 1113
A novel amplitude-to-phase converter for sine/cosine position transducers
(
Taylor and Francis Group
, 2007 , Article)
Resolvers and various other types of sine/cosine encoders are used for both angular and linear position sensing. These devices provide analogue signals in the form of the sine and the cosine of an angle related to the ...
Precise, wide-range approximations to arc sine function suitable for analog implementation in sensors and instrumentation applications
(
IEEE
, 2005 , Article)
This paper presents four newly developed algebraic approximations of the inverse sine function, defined for the full [-1,+1] input range. These approximations contain few terms, and have numerical coefficients with low ...
A new closed-loop converter for sinusoidal encoders - Preliminary results
(
IEEE
, 2009 , Conference Paper)
Sinusoidal position transducers provide accurate and reliable representation of the mechanical position of their shafts. The sine/cosine transducers signals may be used in open loop or closed loop arrangements for the ...
Design and Assembly of Miniature Zirconia Oxygen Sensors
(
IEEE
, 2004 , Article)
Zirconia oxygen sensors are highly selective solid-state devices used for many applications, including combustion control for better fuel economy and lower emissions. Stabilized zirconia electrolyte meets the device ...
Theory and simulation of a miniature zirconia sensor for control of the air-to-fuel ratio in combustion systems
(
IEEE
, 2001 , Article)
The theory of operation on both sides of stoichiometry of a miniature zirconia oxygen pump-gauge incorporating a diffusion hole is discussed. Computer simulation of the sensor output when used for monitoring the air-to-fuel ...
Data Mining, Reasoning and Incremental Information Retrieval through Non Enlargeable Rectangular Relation Coverage
(
Springer Berlin / Heidelberg
, 2009 , Conference Paper)
Association rules extraction from a binary relation as well as reasoning and information retrieval are generally based on the initial representation of the binary relation as an adjacency matrix. This presents some ...
Assessment of water bodies of united arab emirates coastal sabkhas as potential sites for natural salinity gradient solar ponds
(
ASCE - American Society of Civil Engineers
, 2008 , Article)
Increasing population and growing demands from both agriculture and industry in the United Arab Emirates (UAE) necessitate the need to provide inexpensive fresh water. The only feasible source of such water is desalination. ...
Efficient visual mixture design of experiments using property clustering techniques
(2009 , Article)
Mixture design is a design of experiments (DOE) tool used to determine the combination of chemical constitutents that deliver a desired response (or property) using a minimum number of experimental runs. While the approach ...
Does Egypt Represent an Ecological Limit to Desiccation Tolerant Plants?
(
Qatar University
, 2006 , Article)
A search of arid areas adjacent to the Nile in Egypt revealed a notable lack of desiccation tolerant vascular plants on ecological sites on which they would be abundant in Kenya and further south in Africa. Relative water ...