Probe and control of low-power photo-excited magnetization precession in Co/Pd multilayer films

2021 ◽  
Author(s):  
Nicholas Smith ◽  
Brenden A. Magill ◽  
Rathsara R. H. H. Mudiyanselage ◽  
Hiro Munekata ◽  
Giti A. Khodaparast
Keyword(s):  
Low Power ◽  
Multilayer Films ◽  
Magnetization Precession ◽  
And Control

scholarly journals Interference graphs to monitor and control schedules in low-power WPAN

2019 ◽  
Vol 93 ◽  
pp. 111-120 ◽  
Author(s):  
Tim van der Lee ◽  
Antonio Liotta ◽  
Georgios Exarchakos
Keyword(s):  
Low Power ◽  
And Control ◽  
Monitor And Control

Low-Power Photo-Induced Precession of Magnetization in Ultra-Thin Co/Pd Multilayer Films

2013 ◽  
Vol 49 (7) ◽  
pp. 3155-3158 ◽  
Author(s):  
K. Yamamoto ◽  
T. Matsuda ◽  
K. Nishibayashi ◽  
Y. Kitamoto ◽  
H. Munekata
Keyword(s):  
Low Power ◽  
Multilayer Films

Design of a Low-Power Quadruped Robot for Remote Data Acquisition in a Heated Garden

2016 ◽  
Author(s):  
Nicholas Mitchell ◽  
Kristin Miller ◽  
C. S. Wei ◽  
Runar Unnthorsson ◽  
William Foley ◽  
...  
Keyword(s):  
New York ◽  
Low Power ◽  
Thermoelectric Generator ◽  
Waste Heat ◽  
Green Roofs ◽  
Mobile Web ◽  
Remote Supervision ◽  
Test Beds ◽  
And Control ◽  
Sustainable Power

The authors have developed test beds heated green roofs in New York City and geothermal heated gardens in Iceland using waste heat. A thermoelectric generator developed by the authors for these gardens currently provides more than 6 watts of steady state power. This sustainable power source is independent from the grid and is used for web cameras. The test beds need a mobile, web-accessible robot platform for additional monitoring that is battery-charged by the thermoelectric generator. This robot’s power consumption must match the constraints of the thermoelectric generator’s output. This paper presents the design and construction of a low-power walking quadruped robotic platform with a specifically designed walking algorithm. The robot will eventually provide the needed web accessible remote monitoring and maintenance capabilities for the test beds. Remote supervision and control of multiple heated green roofs and heated gardens will be possible from a central location.

scholarly journals Sensorless BLDC motor controller little power to the comfort of motor vehicles

2018 ◽  
Vol 19 (6) ◽  
pp. 708-711
Author(s):  
Emil Sadowski ◽  
Artur Pakosz
Keyword(s):  
Low Power ◽  
Supply Voltage ◽  
Motor Vehicles ◽  
Bldc Motor ◽  
Brushless Dc Motors ◽  
Brushless Dc ◽  
Dc Motors ◽  
Speed Up ◽  
Control Modules ◽  
And Control

The article discusses low-power brushless motors and control modules that are used, among others, in trucks and buses. Also presented are methods of controlling brushless DC motors. The own low power controller was also implemented, enabling smooth start-up and control of the engine speed up to 3,000 revolutions and supply voltage up to 32V DC. This article also presents the results of the measurements of BLDC motor control used in automotive vehicles, mainly in trucks and buses.

scholarly journals Higway Criuse Control System for Vehicles using Low Power RF and Can Protocol

2020 ◽  
Vol 9 (6) ◽  
pp. 1147-1153
Keyword(s):  
Control System ◽  
Low Power ◽  
Control Unit ◽  
Speed Control ◽  
Traffic Signals ◽  
Fixed Time ◽  
Primary Target ◽  
Street Sign ◽  
Electronic Display ◽  
And Control

Nowadays mishaps are happening much of the time, causing destruction of numerous individuals by committing unassuming errors while driving (in school zone, slopes region, and roadways). In any case, once in a while it may not be conceivable to see the billboards put by the Highway Department to caution the drivers in such sort of spots and there is an opportunity for mishap. The headway in the processor innovation and microcontrollers has opened another framework intended to forestall the mishaps caused because of carelessness of drivers in observing rush hour gridlock flags close by the street and different abnormalities on the streets. So to suggest the driver about the zones and to consequently keep up the speed is cultivated by methods for low power RF innovation. The primary target is to plan an Electronic Display controller implied for vehicle's speed control and screens the zones, which runs on an implanted framework and can be hand crafted to fit into a vehicle's dashboard to show data on the vehicle. This framework whenever received by some state can successfully diminish the quantity of street mishaps brought about by speeding vehicles losing control of the vehicle at speed breakers or by driver's carelessness towards traffic signals. This paper presents another structure to control the speed of the vehicles at clumsy zones and security zone places for fixed time. The undertaking is made out of two separate units: Zone status transmitter unit, Electronic Display and Control unit. When the street sign is gotten from the zones, the vehicle's Electronic Display Controller Unit cautions the driver, to lessen the speed as indicated by the zone; it hangs tight for driver's reaction and diminishes the speed of vehicle consequently with CAN Protocol.

scholarly journals On Providing Differentiated Service Exploiting Multi-Instance RPL for Industrial Low-Power and Lossy Networks

2020 ◽  
Vol 2020 ◽  
pp. 1-12 ◽  
Author(s):  
Muhammad Mostafa Monowar ◽  
Mohammed Basheri
Keyword(s):  
Low Power ◽  
Industrial Applications ◽  
Link Quality ◽  
Monitoring And Control ◽  
Wireless Devices ◽  
Lossy Networks ◽  
Efficient Management ◽  
Processing Power ◽  
Industrial Monitoring ◽  
And Control

The rapid proliferation of low-power wireless devices enables the industrial users to improve the productivity and safety of the plants as well as efficient management of the system. This can be achieved through significant increase in data collection, remote monitoring, and control of the plants and promoting the development of industrial Internet of Things (IoT) applications. However, the industrial environment is typically harsh causing high link quality variations and topology changes. The wireless devices used in this environment are also resource constrained in terms of energy, memory, and processing power. In spite of their low-power and lossy nature, these networks demand provisioning of differentiated services for various industrial applications having diverse quality of service (QoS) requirements. Considering the unique characteristics of low-power and lossy networks (LLN), routing for low-power and lossy networks (RPL) is devised which was standardized by IETF in 2012. To meet the demand of diverse traffic, RPL supports multiple instances in a single network. This paper proposes MI-RPL, a multi-instance solution of RPL for industrial low-power and lossy networks (LLNs). MI-RPL defines four instances for four distinct traffic classes of industrial monitoring applications in terms of delay and reliability. MI-RPL also introduces composite routing metrics and proposes an objective function (OF) to compute the most suitable path for each instance. The performance of MI-RPL is investigated through simulations that exhibit MI-RPL has better delay and packet delivery performance for delay- and reliability-constrained traffic along with lower energy consumption compared to the standard RPL.

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.

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