scholarly journals Diode Laser‐Based Sensors for Extreme Harsh Environment Data Acquisition

10.5772/63971 ◽  
2016 ◽  
Author(s):  
Chayan Mitra ◽  
Rachit Sharma
Keyword(s):  
Data Acquisition ◽  
Diode Laser ◽  
Harsh Environment

Performance Test Results of a Precision Data Acquisition and Control Platform for 200°C+ High Temperature Environments

2018 ◽  
Vol 2018 (HiTEC) ◽  
pp. 000103-000111
Author(s):  
Jeff Watson ◽  
Maithil Pachchigar ◽  
Ross Bannatyne ◽  
Clay Merritt ◽  
Christopher Conrad ◽  
...  
Keyword(s):  
High Temperature ◽  
Low Power ◽  
Data Acquisition ◽  
Performance Test ◽  
Rapid Development ◽  
Sensor Data ◽  
Harsh Environment ◽  
Test Results ◽  
Precision Data ◽  
And Control

Abstract In recent years there has been an increasing selection of commercially available electronic components specified for very high temperature (200C+) operation, driven by the needs of harsh-environment applications such as oil and gas exploration/production, aerospace, heavy industrial, and automotive. However, there remains a significant technical challenge to integrate these components into reliable, high performance systems. We previously presented a complete reference design of a precision multichannel sensor data acquisition and control system rated to 200C, including characterized hardware, firmware, and software. The design is based around low power 16 bit SAR ADCs and an ARM® Cortex®-M0 processor and is optimized for high resolution and high throughput measurements while maintaining low power and a small footprint. In this paper we present the test results of this system over temperature. The reference platform is available off the shelf, including hardware design files, processor firmware source code, and PC software for data logging and display, providing engineers a rapid development tool for prototyping and a faster path to production for complex harsh-environment applications.

A Low Power Data Acquisition Solution for High Temperature Applications

2015 ◽  
Vol 2015 (HiTEN) ◽  
pp. 000255-000260
Author(s):  
Jeff Watson ◽  
Maithil Pachchigar
Keyword(s):  
Low Power ◽  
Data Acquisition ◽  
Data Stream ◽  
Sar Adc ◽  
Harsh Environment ◽  
Precision Data ◽  
Input Condition ◽  
Serial Data ◽  
Reference Design ◽  
Low Power Electronics

An increasing number of industries are calling for low power electronics that operate reliably at temperatures of 175°C and higher. Many of these applications require a precision data acquisition signal chain in order to digitize analog data so that it can be collected and processed. We have previously presented a new 600 kSPS SAR ADC that is rated at 210°C to meet these needs. However, the design of the supporting circuitry for a SAR ADC to achieve optimum performance is not trivial, especially over this wide temperature range. In this work we discuss the design of a complete data acquisition circuit building block that will take an analog sensor input, condition it, and digitize it to an SPI serial data stream. We will also discuss some of the practical aspects of fabricating the circuit to survive this harsh environment. This circuit reference design will be published and available off the shelf to designers of harsh environment systems.

A Precision Data Acquisition and Control Platform for 200°C+ High Temperature Environments

2017 ◽  
Vol 2017 (HiTEN) ◽  
pp. 000046-000050
Author(s):  
Jeff Watson ◽  
Maithil Pachchigar ◽  
Ross Bannatyne ◽  
Clay Merritt ◽  
Christopher Conrad ◽  
...  
Keyword(s):  
High Temperature ◽  
Low Power ◽  
Data Acquisition ◽  
Oil And Gas ◽  
Rapid Development ◽  
Sensor Data ◽  
Harsh Environment ◽  
Data Logging ◽  
Precision Data ◽  
And Control

Abstract In recent years there has been an increasing selection of commercially available electronic components specified for very high temperature (200°C+) operation, driven by the needs of harsh-environment applications such as oil and gas exploration/production, aerospace, heavy industrial, and automotive. However, there remains a significant technical challenge to integrate these components into reliable, high performance systems. In this paper we present a complete reference platform implementation of a precision multichannel sensor data acquisition and control system rated to 200°C. The design offers a complete sensors-to-bits solution using a low power 16-bit, 600kSPS SAR ADC and an ARM® Cortex®-M0 based microcontroller. The signal chain is optimized for precision performance and accurate measurements while maintaining low power and a small footprint. The reference platform is available off the shelf, including hardware design files, processor firmware source code, and PC software for data logging and display, offering design engineers a rapid development tool for prototyping and a faster path to production for even complex harsh-environment applications, reducing design risk and evaluation time.

Infrared diode laser jet spectroscopy of the van der Waals complex (N2O)2

1997 ◽  
Vol 91 (4) ◽  
pp. 689-696 ◽  
Author(s):  
HAI-BO QIAN ◽  
WOUTER HERREBOUT ◽  
BRIAN HOWARD
Keyword(s):  
Diode Laser ◽  
Van Der Waals ◽  
Van Der Waals Complex

INES MOVIES : A NEW ACOUSTIC DATA ACQUISITION AND PROCESSING SYSTEM

1990 ◽  
Vol 51 (C2) ◽  
pp. C2-939-C2-942 ◽  
Author(s):  
N. DINER ◽  
A. WEILL ◽  
J. Y. COAIL ◽  
J. M. COUDEVILLE
Keyword(s):  
Data Acquisition ◽  
Processing System ◽  
Acoustic Data ◽  
Data Acquisition And Processing
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