sensors detectors transducers and actuators definitions and characterization

CHAPTER 21: Transducers and Actuators potx

... Objectives Describe and Analyze: • Temperature Transducers • Displacement Transducers • Other Transducers • Signal Conditioning • Solenoids & Relays • AC & DC Motors Introduction • Transducers convert ... • Actuators are electromechanical devices that move, rotate, push, pull, and in general “make something happen” when electrical signals are sent to them A Generic Control System Sensors and actuators ... very low, and requires conditioning • Thermocouples can be used up to 2000° C, and are reasonably linear Thermocouples Platinum and rhodium are expensive RTDs • Resistance Temperature Detectors...

Isolation and characterization of an extracellular polymer closely related to flocculation of activated sludge

Danh mục: Môi trường

... Water and Environment Technology, Vol.3, No.2, 2005 viscous in solution, are mainly composed of polysaccharides, although proteins and nucleic acids from cell autolysis may be present (Stoveland and ... kaolin clay and activated charcoal flocculated satisfactorily (the flocculation values at pH 2.5 of kaolin clay and activated charcoal were 79.6% and 67.1%, respectively) On the other hand, in the ... Significance and behavior of heavy metals in waste water treatment process Ⅰ Sewage treatment and effluent discharge Sci Total Environ., Vol.30, 1-44 Lowry, O Hosenbrough, N J., Farr, A L and Randall,...

Preparation and characterization of the PVDF-based composite membrane for direct methanol fuel cells

Danh mục: Môi trường

... (DMAc) firstly, and then styrene, divinylbenzene (DVB) and benzoyl peroxide (BPO) were added to the solution and stirred with water bath at 343 K The dosage of PVDF, styrene, DVB and BPO was that ... polymerization and phase inversion, and all of the other reagents were analytical grade 2.2 Preparation of the PVDF-based composite membrane The PVDF powders were basified firstly, and the double ... immersed in deionized water for 48 h, and then the sulfonated copolymer washed with deionized water and dried for usage The sulfonated copolymer with weight of 15 g and 2.5 g polyvinyl pyrrolidine...

Design, fabrication, and characterization of a solenoidsystem to generate magnetic ﬁeld for an ECR proton source

Danh mục: Hóa học - Dầu khí

... conductor, water pressure drop and ﬂow, the inlet and outlet connections were provided Total ﬁve inlet and ﬁve outlet connections were provided The water ﬂow rate liter/min and pressure 3·5 kg/cm2 was ... M, Ando L, Guo X H, Gobin R, Ferdinand R 2004 Status of the Trasco intense proton source and emittance measurements Rev Sci Instrum 75(5): 1423–1426 Ciavola G, Celona L, Gammino S, Presti M, Ando ... ﬁeld, and (b) ﬂat magnetic ﬁeld are shown in ﬁgure The calculation was also performed analytically (Montgomery 1966) using standard relations for calculating magnetic ﬁeld Design, fabrication, and...

Handbook of modern sensors physics, designs, and application

Danh mục: Tự động hóa

... Jacob Handbook of modern sensors : physics, designs, and applications / Jacob Fraden.–3rd ed p cm Includes bibliographical references and index ISBN 0-387-00750-4 (alk paper) Detectors Handbooks, ... detailed description and a simplicity of coverage This volume covers many modern sensors and detectors It is clear that one book cannot embrace the whole variety of sensors and their applications, ... Multiple sensors, actuators, and warning signals are parts of the Advanced Safety Vehicle (Courtesy of Nissan Motor Company.) Another example of a complex combination of various sensors, actuators, and...