Results 81 to 90 of about 52,789 (201)

Thrust vectoring for lateral-directional stability [PDF]

The advantages and disadvantages of using thrust vectoring for lateral-directional control and the effects of reducing the tail size of a single-engine aircraft were investigated.
Carpenter, Thomas, Peron, Lee R.
core   +1 more source

Wind-tunnel free-flight investigation of a supersonic persistence fighter [PDF]

Wind-tunnel free-flight tests have been conducted in the Langley 30- by 60-Foot Wind Tunnel to examine the high-angle-of-attack stability and control characteristics and control law design of a supersonic persistence fighter (SSPF) at 1 g flight ...
Boland, Joseph R., Hahne, David E., Wendel, Thomas R.   +2 more
core   +1 more source

Improving Direct Yaw-Moment Control via Neural-Network-Based Non-Singular Fast Terminal Sliding Mode Control for Electric Vehicles

Sensors
Given the increased significance of electric vehicles in recent years, this study aimed to develop a novel form of direct yaw-moment control (DYC) to enhance the driving stability of four-wheel independent drive (4WID) electric vehicles.
Jung Eun Lee, Byeong Woo Kim
doaj   +1 more source

Analysis of the wind tunnel test of a tilt rotor power force model [PDF]

Two series of wind tunnel tests were made to determine performance, stability and control, and rotor wake interaction on the airframe, using a one-tenth scale powered force model of a tilt rotor aircraft.
Ferguson, S. W., Ford, D. G., Marr, R. L.   +2 more
core   +1 more source

Adaptive Longitudinal–Lateral Coordinated Control of Distributed Drive Vehicles Under Unknown Road Conditions

Actuators
Distributed drive vehicles provide enhanced actuation flexibility, making longitudinal–lateral coordinated stability control essential for improving vehicle handling and safety under complex driving conditions.
Jiansen Yang, Zhongliang Han, Zhiguo Zhang, Xuewei Wang, Fan Bai, Yan Wang   +5 more
doaj   +1 more source

Stability and control characteristics for the inner mold line configuration of the space shuttle orbiter (OA110) [PDF]

Experimental aerodynamic investigations were conducted on a sting mounted 0.0405-scale representation of the -140A/B inner mold line (IML) space shuttle orbiter in 7.75 x 11 foot low speed wind tunnel, during the time period from 18 March 1974 to 20 ...
Hughes, T., Rogge, R.
core   +1 more source

Direct yaw moment control of eight-wheeled distributed drive electric vehicles based on super-twisting sliding mode control

Frontiers in Mechanical Engineering
This paper proposed a novel direct yaw moment control (DYC) system to enhance vehicle stability and handling performance in various driving conditions and overcome the chattering problem of traditional sliding mode control. Accordingly, a DYC strategy is
Zili Liao, Lichun Cai, Jiaqi Li, Yunyin Zhang, Chunguang Liu   +4 more
doaj   +1 more source

Coordinated Control for Stability of Four-Wheel Steering Vehicles Based on Game Theory

Actuators
To address the poor stability of four-wheel steering vehicles under extreme conditions, this paper proposes a coordinated control strategy for vehicles with four-wheel independent drive.
Gang Liu
doaj   +1 more source

Trajectory Tracking and Yaw Stability Control for Electric Vehicles Based on LTV-MPC

Kongzhi Yu Xinxi Jishu
This study focuses on Linear Time-varying Model-based Predictive Control (LTV-MPC) to support real-time trajectory tracking and yaw stability control for distributed drive electric vehicles (DDEV) under steering conditions.
GAO Zhenfei
doaj  

Coordinated Control Approach for Brake Actuator Failures: A Fault-Tolerant Strategy Using Braking Systems and Steering

IEEE Access
In this study, a fault-tolerant control system is proposed for brake actuators in a vehicle. A degradation in deceleration performance and lateral stability caused by brake actuator failure can cause serious safety issues.
Yunchul Ha, Seunguk Jeon, Jinyong Park, Seoyeon Choi, Seunghoon Woo   +4 more
doaj   +1 more source