Results 81 to 90 of about 3,143 (205)

Centaur engine gimbal friction characteristics under simulated thrust load [PDF]

An investigation was performed to determine the friction characteristics of the engine gimbal system of the Centaur upper stage rocket. Because the Centaur requires low-gain autopilots in order to meet all stability requirements for some configurations ...
Askew, J. W.
core   +1 more source

Control system for rocket vehicles Patent [PDF]

, 1966
System for aerodynamic control of rocket vehicles by secondary injection of fluid into nozzle exhaust ...
Crabill, N. L., Riebe, J. M.
core   +1 more source

Mathematical modeling and control of a tilt-rotor aircraft

, 2015
This paper presents a novel model of large-size tilt-rotor aircraft, which can operate as a helicopter as well as being capable of transition to fixed-wing flight.
Cai, Lilong, Wang, Xinhua
core   +2 more sources

Torque Vectoring Control for fully electric Formula SAE cars [PDF]

, 2020
Fully electric vehicles with individually controlled powertrains can achieve significantly enhanced vehicle response, in particular by means of Torque Vectoring Control (TVC).
De Pascale, Valentina, Farroni, Flavio, Lenzo, Basilio, Timpone, Francesco, Zhang, Xudong   +4 more
core  

Direct Flux-and-Torque Vector Control with Active Torque Ripple Minimization

2024 IEEE Applied Power Electronics Conference and Exposition (APEC)
The paper presents a simple and effective direct flux and torque control strategy for the active minimization of torque ripple in Permanent Magnet synchronous motor drives. The observed stator flux amplitude and the estimated electromagnetic torque are directly controlled, and the torque feedback is estimated through a pre-determined 3D Look-UpTable ...
Bojoi, Andrei, Pescetto, Paolo, Stella, Fausto, Ferrari, Simone, Pellegrino, Gianmario   +4 more
openaire   +2 more sources

Planning Speed Mode of All-Wheel Drive Autonomous Vehicles Considering Complete Constraint Set

Vehicles
The study aims to improve the technique of motion planning for all-wheel drive (AWD) autonomous vehicles (AVs) by including torque vectoring (TV) models and extended physical constraints.
Maksym Diachuk, Said M. Easa
doaj   +1 more source

Robust Dynamic Control for Electric Vehicles With Estimation of Parametric Uncertainties and External Disturbances

IEEE Access
This study addresses the control problem in Electric Vehicles (EVs), specifically focusing on designing a robust dynamic control system capable of estimating parametric uncertainties and external disturbances.
Cuauhtemoc Acosta Lua, Stefano Di Gennaro, Ariadna Berenice Flores Jimenez, Antonio Navarrete Guzman   +3 more
doaj   +1 more source

Electric sail, photonic sail and deorbiting applications of the freely guided photonic blade

, 2013
We consider a freely guided photonic blade (FGPB) which is a centrifugally stretched sheet of photonic sail membrane that can be tilted by changing the centre of mass or by other means.
Janhunen, P.
core   +1 more source

Understeer characteristics for energy-efficient fully electric vehicles with multiple motors [PDF]

Electric vehicles with multiple motors allow torque-vectoring, which generates a yaw moment by assigning different motor torques at the left and right wheels.
De Filippis, G, Gruber, P, Lenzo, Basilio, Sannen, K, Sorniotti, A   +4 more
core  

Self-vectoring electromagnetic soft robots with high operational dimensionality. [PDF]

Nat Commun, 2023
Li W, Li W, Chen H, Yi Z, Fang F, Guo X, Wu Z, Gao Q, Shao L, Xu J, Meng G, Zhang W.   +11 more
europepmc   +1 more source