This paper presents a novel model-based observer algorithm to address issues associated with nonlinear suspension system state estimation using interacting multiple model unscented Kalman Filters (IMMUKF) under various road excitation. Due to the fact that practical working cond...
This paper presents a practical approach to developing a speed limiter using a disturbance observer (DOB) and a speed observer. A nominal plant model is designed assuming that the vehicle is a lumped mass. The plant uncertainty and external disturbance are lumped into a disturba...
This paper presents a practical approach designing a traction controller based on disturbance observer (DOB) in hybrid electric vehicles (HEVs). To conduct the traction control of HEVs, the proposed control scheme estimates disturbances in a specific frequency range caused by wh...
The precision agriculture and soil tillage are tasks which can be achieved by Automated Tractors (AT) through
the integration of several servomechanisms. In order to reach a high autonomy under various work conditions of the AT,
control laws’ design and tuning are paramount. ...
Autonomous vehicles aim to improve driving safety and comfort. In autonomous car SAE level-3 operations,
it is necessary to determine whether the driving authority can be transferred from the computer to the driver. The driver must
be awake and sufficiently alert to switch to ...
Autonomous driving approaches today are mainly based on perception-planning-action modular pipelines and
the End2End paradigm respectively. The End2End paradigm is a strategy that directly maps raw sensor data to vehicle control
actions. This strategy is very promising and app...
To improve the anti-rollover capacity of a counterbalanced forklift, a two-stage rollover dynamic model is
established on the basis of the forklift structure. Stable zones are divided according to the two-stage lateral load transfer rate:
stable region, relatively stable regio...
Fuel cell durability and vehicle operating cost are the main optimization goals of energy management strategy
(EMS) for fuel cell hybrid electric vehicles (FCHEV). In this paper, a series fuzzy control strategy (SFCS) is proposed to
decrease the load changing rate of fuel cell...
According to the inherent nature of the fluid that can naturally avoid obstacles, a path planning method for active
collision avoidance of autonomous vehicles is presented based on the virtual flow field. Firstly, the mathematical model of the
virtual flow field on the road is...
High-resolution transmission electron microscopy (HRTEM) was used to observe the soot particles emitted from
gasoline direct injection (GDI) engine equipped with metallic particulate filter (GPF). The changes of microscopic morphology
and structure of the soot particles at pre...
Indirect Tire Pressure Monitoring System (i-TPMS) monitors inflation pressures in pneumatic tires using
wheel speed sensor signals acquired from Anti-lock Braking System (ABS). In order to monitor the tire pressures indirectly,
frequency analysis and wheel radius analysis are ...
When one of the natural frequencies of the drive shaft coincides with the excitation frequency of the engine, the
vibration amplitude of the drive shaft increases significantly owing to the resonance of the drive shaft at the natural frequency.
To reduce this resonance vibrati...
A positioning system estimates the position and orientation of a vehicle. Autonomous driving systems plan
paths and control the vehicle based on the information from the positioning system. Recently, methods of estimating the
position in urban areas have been actively studied....
The basic criterion in using alternative fuels, specifically ethanol blends, consists in its pro-ecological properties.
However, like in the case of conventional hydrocarbon fuels, the use of blended ethanol in combustion engines can result in
formation of harmful engine depos...
A study on the design and combustion performance of a new spark-ignition compressed natural gas (CNG)
engine for light-duty automotive applications was carried out. The effects of natural gas fuel characteristics on engine design
were analyzed in guiding the design of the engi...
As a key environment perception technology of autonomous driving or driver assistance systems, lane detection
is to ensure vehicles to drive safely in corresponding lane. However, existing lane detection algorithms for two-lane detection
focus on using various filtering method...
Electric buses are usually designed with various energy management features to overcome the limited cruising
range problem. This paper reveals the impact of different energy management systems applied in the electric bus intended for
rapid transit usage on battery state of cha...
Headlamps are one of the most important parts of vehicles because they contribute to the vision and safety of
the driver. However, rough road conditions create harsh external excitations, which could loosen bolts in the headlamp
assembly and cause improper aiming of headlight....
As an emerging technology improving fuel consumption, active grille shutter (AGS) has been applied in
engine cooling system. For the reason of unreasonable matching method of grille opening and cooling fan, the problem of
engine overcooling is widespread. As components with si...
Hybrid electric vehicles (HEVs) utilize multiple power sources to minimize fuel consumption, which, generally,
comprises one or two electric motors added to the conventional configuration. Based on the power flows from the sources to
the wheels, the powertrain configurations a...
The Advanced Driving Assistance System has been widely applied on various kinds of vehicles, since it can
provide timely protection and burden relief to the passengers and drivers. Multiple different sensors are adopted to realize
specific functions, while millimeter-wave rada...
To reveal the effect of reaction temperature on the reduction of diesel particulate matter (PM) by non-thermal
plasma (NTP) using oxygen as a gas source. The changes in the microcrystalline structure and the elemental state of PM
before and after NTP oxidation at different tem...
In recent times, localization and positioning techniques have rapidly developed with the increasing demand for
unmanned vehicles. Most positioning systems for land vehicles based on GPS-IMU, use a non-holonomic constraint to
determine misalignment between sensor and vehicle bo...
Recently, there has been increasing interest in reducing hazardous and CO2 emissions from vehicles. For
emission reduction, it is necessary to analyze operating conditions of vehicles by using real on-road data and to improve their
effective performance. In particular, for hea...
Metal forming or shaping processes, such as sheet metal forming and bulk forming, are widely used in many
industries including automotive industry. Before computational simulations were widely used in the field of metal forming
industry, the trial-and-error based empirical app...
