Results 81 to 90 of about 21,021,184 (254)

A V/f= cte Control Drive for Permanent Capacitor Single-Phase Induction Motor [PDF]

Journal of Intelligent Procedures in Electrical Technology, 2013
Poor performance of the convectional household induction motors which used in home appliances such as refrigerator, cooler, laundry, washing machines, fans, hand-held power tools, and automotive window lift is generally caused by two main reasons ...
Pedram Shahriari Nasab, Hossein SafaMehr, Majid Moazzami   +2 more
doaj  

The Modelling, Simulation and FPGA-Based Implementation for Stepper Motor Wide Range Speed Closed-Loop Drive System Design

Machines, 2018
Owing to the benefits of programmable and parallel processing of field programmable gate arrays (FPGAs), they have been widely used for the realization of digital controllers and motor drive systems.
Chiu-Keng Lai, Jhang-Shan Ciou, Chia-Che Tsai   +2 more
doaj   +1 more source

Helicopter low-speed yaw control [PDF]

, 1993
A system for improving yaw control at low speeds consists of one strake placed on the upper portion of the fuselage facing the retreating rotor blade and another strake placed on the lower portion of the fuselage facing the advancing rotor blade.
Crowell, Cynthia A., Kelley, Henry L., Wilson, John C.   +2 more
core   +1 more source

A Vehicle Active Safety Model: Vehicle Speed Control Based on Driver Vigilance Detection Using Wearable EEG and Sparse Representation

Italian National Conference on Sensors, 2016
In this paper, we present a vehicle active safety model for vehicle speed control based on driver vigilance detection using low-cost, comfortable, wearable electroencephalographic (EEG) sensors and sparse representation.
Zutao Zhang, Dianyuan Luo, Yagubov Rasim, Yanjun Li, Guanjun Meng, Jian Xu, Chunbai Wang   +6 more
semanticscholar   +1 more source

Application Research of Fuzzy PID for Tamping Device Control System

机车电传动, 2015
Based on the analysis of the servo control system of 08-32 tamping device, we took the proportional valve of 08-32tamping device as research object, which controled the lifting movement displacement of tamping device.
WU Qingli, LI Yi
doaj  

Flight experience with altitude hold and Mach hold autopilots on the YF-12 aircraft at Mach 3 [PDF]

, 1978
The altitude hold mode of the YF-12A airplane was modified to include a high-pass-filtered pitch rate feedback along with optimized inner loop altitude rate proportional and integral gains.
Gilyard, G. B., Smith, J. W.
core   +1 more source

Gas turbine engine fuel control [PDF]

, 1973
A variable orifice system is described that is responsive to compressor inlet pressure and temperature, compressor discharge pressure and rotational speed of a gas-turbine engine.
Gold, H. S.
core   +1 more source

Observer-Based Suboptimal Controller Design for Permanent Magnet Synchronous Motors: State-Dependent Riccati Equation Controller and Impulsive Observer Approaches

Computers
Permanent Magnet Synchronous Motors (PMSMs) with high energy efficiency, reliable performance, and a relatively simple structure are widely utilised in various applications.
Nasrin Kalamian, Masoud Soltani, Fariba Bouzari Liavoli, Mona Faraji Niri   +3 more
doaj   +1 more source

Eigenvalue assignment strategies in rotor systems [PDF]

The work done to establish the control and direction of effective eigenvalue excursions of lightly damped, speed dependent rotor systems using passive control is discussed.
Welzyn, K. J., Youngblood, J. N.
core   +1 more source

Robust position control of ultrasonic motor using VSS observer [PDF]

, 2010
Intrinsic properties of ultrasonic motor (high torque for low speed, high static torque, compact in size, etc.) offer great advantages for industrial applications. However, when load torque is applied, dead-zone occurs in control input.
Darba, Araz, Odomari, Shogo, Senjyu, Tomonobu, Uchida, Kosuke, Yona, Atsushi   +4 more
core   +1 more source