Results 81 to 90 of about 2,840 (207)

Torque vectoring control strategies for electric vehicles.

, 2020
170 p.
openaire   +1 more source

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

Vehicle Motion Control for Overactuated Vehicles to Enhance Controllability and Path Tracking

Applied Sciences
The motion control of vehicles poses distinct challenges for both vehicle stability and path tracking, especially under critical environmental and driving conditions.
Philipp Mandl, Johannes Edelmann, Manfred Plöchl   +2 more
doaj   +1 more source

Chassis Control Methodologies for Steering-Braking Maneuvers in Distributed-Drive Electric Vehicles

Applied Sciences
This review addresses the pivotal challenge in distributed-drive electric vehicle (DDEV) dynamics control: how to optimally distribute braking and steering forces during combined maneuvers to simultaneously enhance lateral stability, safety, and energy ...
Kang Xiangli, Zhipeng Qiu, Xuan Zhao, Weiyu Liu   +3 more
doaj   +1 more source

YF-17/ADEN system study [PDF]

The YF-17 aircraft was evaluated as a candidate nonaxisymmetric nozzle flight demonstrator. Configuration design modifications, control system design, flight performance assessment, and program plan and cost we are summarized. Two aircraft configurations
Bard, W. D., Gowadia, N. S., Wooten, W. H.   +2 more
core   +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

A Dual-Level Hierarchical Functional Control Strategy for Four-Wheel Independent Drive Vehicles: Coordination for Enhanced Stability and Safety

IEEE Open Journal of Vehicular Technology
With the advancement of electric vehicles towards intelligence and integration, four-wheel independent drive (FWID) vehicles, characterized by high controllability and structural flexibility, have gained widespread attention.
Zhiqi Guo, Liang Chu, Xiaoxu Wang, Yuhang Xiao, Zixu Wang, Zhuoran Hou   +5 more
doaj   +1 more source

A TD3-Based Reinforcement Learning Algorithm With Curriculum Learning for Adaptive Yaw Control in All-Wheel-Drive Electric Vehicles

IEEE Access
A novel artificial intelligence-based approach for the direct yaw control (DYC) of an all-wheel drive (AWD) electric vehicle (EV) is proposed in this paper.
Reza Jafari, Pouria Sarhadi, Amin Paykani, Shady S. Refaat, Pedram Asef   +4 more
doaj   +1 more source

Space shuttle system program definition. Volume 1: Executive summary [PDF]

A study for the selection of a low cost shuttle system for design and development was conducted. The objective of the final study was to examine and penetrate the major technical and cost issues affecting the choice of the following: (1) liquid ...

core   +1 more source

Design definition study of a NASA/Navy lift/cruise fan technology V/STOL airplane: Risk assessment addendum to the final report [PDF]

An assessment of risk, in terms of delivery delays, cost overrun, and performance achievement, associated with the V/STOL technology airplane is presented.
Burnham, R. W., Flora, C. C., Gotlieb, P., Grande, D. L., Gunnarson, D. W., Howard, W. M., Hunt, D., Jakubowski, G. W., Johnson, P. E., Zabinsky, J. M.   +9 more
core   +1 more source