Now showing items 1-10 of 2092
An ice machine adapted into an autonomous photovoltaic system without batteries using a variable-speed drive
(JOHN WILEY & SONS LTD, 2010)
The adaptation of a commercially available ice machine for autonomous photovoltaic operation without batteries is presented. In this adaptation a 1040 W(p) photovoltaic array directly feeds a variable-speed drive and a 24 ...
Mindfulness, inattention and performance in a driving simulator
(Institution of Engineering and Technology, 2015-09)
The following study will explore the link between mindfulness, driver inattention and a number of driving performance variables that were tested using the SIMUVEG driving simulator. 67 subjects between the ages of 19 and ...
Six-element circuit for maximum power point tracking in photovoltaic-motor systems with variable-frequency drives
(JOHN WILEY & SONS LTD, 2010)
A low-cost circuit was developed for stable and efficient maximum power point (MPP) tracking in autonomous photo voltaic-motor systems with variable-frequency drives (VFDs). The circuit is made of two resistors, two ...
Polyphase drive systems configuration aiming EMI mitigation
Topologies of motor drive systems are studied, aiming the reduction of common-mode (CM) currents. Initially, the aspects concerning the CM currents circulation are analysed. The reason of common-mode voltages generation, ...
New approach of induction machine drive using an adaptive digital PID controller with gain planning based on artificial neural networks
The present work introduces a new strategy of induction machines speed adjustment using an adaptive PID (Proportional Integral Derivative) digital controller with gain planning based on the artificial neural networks. This ...
Sizing for fuel cell/supercapacitor hybrid vehicles based on stochastic driving cycles
In this article, a methodology for the sizing and analysis of fuel cell/supercapacitor hybrid vehicles is presented. The proposed sizing methodology is based on the fulfilment of power requirements, including sustained ...
A multi-agent system with a percolation approach to simulate the driving pattern of Plug-In ELectric Vehicles
A multi-agent system with a percolation approach to simulate the driving pattern of Plug-In Electric Vehicle (PEV), especially suited to simulate the PEVs behavior on any distribution systems, is presented. This tool intends ...
An Enhanced dq-Based Vector Control System for Modular Multilevel Converters Feeding Variable-Speed Drives
Modular multilevel converters (M2C) are considered an attractive solution for high power drive applications. However, energy balancing within the converter is complex to achieve, particularly when the machine is operating ...
Control Design Applied to a Micro Electro Mechanical System: MEMS Comb drive
(Trans Tech Publications Ltd, 2011-01-01)
This paper presents the linear optimal control technique for reducing the chaotic movement of the micro-electro-mechanical Comb Drive system to a small periodic orbit. We analyze the non-linear dynamics in a micro-electr ...
Driving AC motors through a long cable: The inverter switching strategy
(Ieee-inst Electrical Electronics Engineers IncNew YorkEUA, 1999)