A5100706195- Electric and Hybrid Vehicle Technologies
- Real-time simulation and control systems
- Advanced Battery Technologies Research
- Vehicle Dynamics and Control Systems
- Electric Vehicles and Infrastructure
- Engineering Applied Research
- Mechanical Engineering and Vibrations Research
- Control and Dynamics of Mobile Robots
- Advanced Combustion Engine Technologies
- Additive Manufacturing and 3D Printing Technologies
- thermodynamics and calorimetric analyses
- Hydraulic and Pneumatic Systems
- Advanced Manufacturing and Logistics Optimization
- Innovative Microfluidic and Catalytic Techniques Innovation
- Muscle activation and electromyography studies
- Fuel Cells and Related Materials
- 3D Printing in Biomedical Research
- Transportation and Mobility Innovations
- Autonomous Vehicle Technology and Safety
- Vehicle emissions and performance
University of Illinois Urbana-Champaign
2024
Bridge University
2024
Chapman University
2024
University of Cambridge
2024
Andong National University
2014-2015
Sungkyunkwan University
2006-2011
A mode control strategy for a two-mode hybrid electric vehicle (HEV) with fixed-gear is proposed, considering wheel torque demand while minimizing fuel consumption. First, the dynamic equations of power-split HEV are derived, and these consist two electrically variable transmission modes four modes. Using equations, optimal operation selected from viewpoint maximum available output respect to driver's velocity. Next, an optimized selection map constructed using optimization minimize...
A control algorithm is proposed for an independent motor-drive vehicle. sliding-mode designed based on the slip ratio, yaw rate, and lateral acceleration of vehicle to reduce motor torque at each wheel. The performance evaluated by MATLAB/Simulink-CarSim cosimulation experiments. test car with two drive motors rear wheels developed. From simulation test, it found that improves performance.
A yaw rate control algorithm is proposed for an independent in-wheel motor vehicle. For the control, first, traction torque reduced corresponding to lateral acceleration. In addition, PID type weight factor introduced by considering wheel slip ratio. The generates desired direct moment adjusting at each wheel, which obtained from sliding mode control. It found simulation results slalom test that suggested in this study able provide satisfactory performance with stability.
Optimal power distribution control algorithm is investigated for parallel HEVs. In order to find the optimal algorithm, optimization problem defined, which finds variables minimize fuel consumption while satisfying constraint equations. Scale factors in weighting motor usage are selected as on how distribute demanded vehicle into electric and internal combustion engine. Dynamic models of HEV powertrain represented with state space The solved single shaft double using performance simulator...
EVT (electro-mechanical variable transmission) combines its power sources (engine and motor-generator) in a highly efficient way using planetary gear sets. Power characteristic of the is analyzed by network analysis. From analysis, it found that should be operated low to medium speed range due circulation high range, which causes decreased system efficiency. A motor-generator control algorithm presented parameters such as ZEV (zero emission vehicle) HEV (hybrid electric mode change velocity,...
A motor control algorithm is proposed for a 6 wheel independent drive electric vehicle. An adaptive PD used to generate the direct yaw moment compensate rate error. To calculate error, an imaginary steering angle introduced with gain. In order evaluate algorithm, ADAMS vehicle model developed and MATLAB co-simulation performed using algorithm. It found that performance can be improved by
In this paper, powertrain of output split type plug-in hybrid electric vehicle is analyzed for the operation range speed, torque, and power. First, it assumed that efficiency motor 100%. And, speed torque equations are derived based on lever analogy. With above equations, simulations performed vehicle. From simulation results, found torques EV1 series modes larger than EV2 power modes' ones. It means can be used rapid acceleration. But only velocity under 120 km/h. because reaches its...
<title>Abstract</title> Nature uses hairy and fibrous structures for sensing structural functions as observed in beetle hairs, mammalian whiskers, ear stereocilia, spider silks, hagfish slime thread skeins. However, replicating these intricate, thin, high aspect ratio geometries has been a longstanding manufacturing challenge. It is currently not possible to fabricate 3D with microscale diameters centimeter lengths. Here, we demonstrate printing of fine hair having freeform trajectories...
In this paper, an optimal power distribution algorithm is proposed for the small electric vehicle with front in-line and rear in-wheel motors. First, it assumed that driving torque velocity are given conditions. And, problem defined finding motor torques which minimizes battery power. From above optimization problem, optimized front-rear map obtained. simulations performed to verify performance of in study. The based on federal urban schedule two cases constant ratio distribution,...
무인 자가 운반 하역차량(Automated Lifting Vehicle, ALV)은 자동화 컨테이너 터미널에서 컨테이너를 수송하는 차량의 하나로 하역 및 수송 능력을 가지고 있다. 여러 대의 ALV를 이용해 효율적으로 수송하기 위해서는 ALV가 컨테이너의 이송작업을 시작할 때마다 최소 시간에 주행이 가능한 경로를 실시간으로 찾을 수 있어야 한다. 또한 차량 간의 충돌 교착 상태 발생 시 스스로 해결이 불가능한 특성 상 이러한 교착을 막을 있도록 차량이 목적지까지 가기 위해 점유해야 하는 점유 영역과 그 시간을 결정하여 이를 겹치지 않도록 주행 계획을 수립하여야 하지만 계획 수립을 위한 ALV의 영역에서의 시간 계산은 교통 상황에 따른 시간의 변화나 경로 상에 작업을 수행하는 크레인의 작업 상황의 불확실성 때문에 정확한 추정이 어렵다. 본 논문에서는 개미 집단 최적화 기법을 기반으로 ALV 도착 불확실성을 고려한 수립방안을 제안한다. 시뮬레이션 실험을 통해 제안 방안이 불확실한...
In this paper, the powertrain efficiency is analyzed for input split type hybrid electric vehicle. For considering loss, power loss models of planetary gear and motor are applied. And, mathematic equations speed torque found by using lever analogy. With above equations, 0 to 180 km/h vehicle velocity range. From analysis results, it that transmission with smaller maximum 2.1% than without gear.
Motor control algorithm on how to operate the internal combustion engine (ICE) is proposed for hybrid electric vehicle (HEV) with EVT which consists of a power variator, MG1 and MG2, planetary gear set. From network analysis results, it found that efficiency decreases in high speed ratio region due circulation, required ICE needs be operated where powertrain relatively high. The motor designed by inversion-based control. In order evaluate performance algorithm, HEV simulator developed based...