Results 31 to 40 of about 32,703 (205)

Positioning in time and space: cost-effective exterior orientation for airborne archaeological photographs [PDF]

open access: yes, 2013
Since manned, airborne aerial reconnaissance for archaeological purposes is often characterised by more-or-less random photographing of archaeological features on the Earth, the exact position and orientation of the camera during image acquisition ...
Briese, Christian   +3 more
core   +2 more sources

On the enhancement of vehicle handling and energy efficiency of electric vehicles with multiple motors: the iCOMPOSE project [PDF]

open access: yes, 2020
Electric vehicles with multiple motors allow torque-vectoring, i.e., the individual control of each powertrain torque. Torque-vectoring (TV) can provide: i) enhancement of vehicle safety and handling, via the generation of a direct yaw moment to shape ...
A Tota   +7 more
core   +1 more source

A study of stability and power consumption of electric vehicles using different modern control strategies

open access: yesAlexandria Engineering Journal, 2019
This research paper aims at applying modern control techniques to study the stability and power consumption of electric vehicles. The main purpose is to propose an artificial neural network controller to estimate the direct yaw moment required for ...
Semaan Amine, Ossama Mokhiamar
doaj   +1 more source

Flight Mechanics and Control of Escape Manoeuvres in Hummingbirds. I. Flight Kinematics [PDF]

open access: yes, 2016
Hummingbirds are nature’s masters of aerobatic manoeuvres. Previous research shows that hummingbirds and insects converged evolutionarily upon similar aerodynamic mechanisms and kinematics in hovering.
Cheng, Bo   +6 more
core   +3 more sources

Direct yaw-moment control of an in-wheel-motored electric vehicle based on body slip angle fuzzy observer [PDF]

open access: yes, 2009
A stabilizing observer-based control algorithm for an in-wheel-motored vehicle is proposed, which generates direct yaw moment to compensate for the state deviations. The control scheme is based on a fuzzy rule-based body slip angle (beta) observer.
Denai, M.   +3 more
core   +2 more sources

Optimal Coordinated Control of Active Front Steering and Direct Yaw Moment for Distributed Drive Electric Bus

open access: yesMachines, 2023
This paper suggests a hierarchical coordination control strategy to enhance the stability of distributed drive electric bus. First, an observer based on sliding mode observer (SMO) and adaptive neural fuzzy inference system (ANFIS) was designed to ...
Jiming Lin   +4 more
doaj   +1 more source

A linear systems analysis of the yaw dynamics of a dynamically scaled insect model [PDF]

open access: yes, 2010
Recent studies suggest that fruit flies use subtle changes to their wing motion to actively generate forces during aerial maneuvers. In addition, it has been estimated that the passive rotational damping caused by the flapping wings of an insect is ...
Dickinson, Michael H.   +3 more
core   +1 more source

Direct Yaw-Moment Control Integrated With Wheel Slip Regulation for Heavy Commercial Road Vehicles

open access: yesIEEE Access, 2022
When a road vehicle is subjected to combined cornering and emergency braking, it potentially has a greater risk of wheel lock followed by loss of steerability and/or undesired yaw motion.
Harshal Patil   +4 more
doaj   +1 more source

Decoupling Control of 2WS Cars Using Direct Yaw Moment

open access: yesJournal of Control, Automation and Systems Engineering, 2005
There exists a structural limit of 2WS cars that drivers would not like simultaneously to follow the desired path and attenuate moments resulting from disturbances because lateral acceleration and yaw rate are coupled inherently. In order to overcome the limit, the 4WS cars that have rear wheel steering as an additional input have been introduced.
openaire   +2 more sources

Combination of Skid Control and Direct Yaw Moment Control to Improve the Safety and Stability of the Small Electric Vehicle with Two In-Wheel Motors

open access: yesMATEC Web of Conferences, 2017
For a small electric vehicle (EV) with the rear two in-wheel motors, the hydraulic brake system and the mechanical brake system are installed at the front and rear tire respectively.
Heerwan P.M., Ashraf S.M., Ishak M.I.
doaj   +1 more source

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