Yaobin Chen

Yaobin Chen
Indiana University-Purdue University Indianapolis | IUPUI · Department of Electrical and Computer Engineering

Ph.D.

About

147
Publications
11,884
Reads
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2,243
Citations
Citations since 2017
35 Research Items
775 Citations
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2017201820192020202120222023050100150
2017201820192020202120222023050100150
2017201820192020202120222023050100150

Publications

Publications (147)
Conference Paper
Full-text available
As one of the most popular micro-mobility options, e-scooters are spreading in hundreds of big cities and college towns in the US and worldwide. In the meantime, e-scooters are also posing new challenges to traffic safety. In general, e-scooters are suggested to be ridden in bike lanes/sidewalks or share the road with cars at the maximum speed of a...
Preprint
Full-text available
Recently, e-scooter-involved crashes have increased significantly but little information is available about the behaviors of on-road e-scooter riders. Most existing e-scooter crash research was based on retrospectively descriptive media reports, emergency room patient records, and crash reports. This paper presents a naturalistic driving study with...
Preprint
Full-text available
In this paper, we propose SceNDD: a scenario-based naturalistic driving dataset that is built upon data collected from an instrumented vehicle in downtown Indianapolis. The data collection was completed in 68 driving sessions with different drivers, where each session lasted about 20--40 minutes. The main goal of creating this dataset is to provide...
Preprint
Full-text available
In recent years, automotive technology has made a steady progress. In particular, Advanced Driver Assistance System (ADAS) has enabled many safety features in commercial vehicles, for instance, pedestrian detection, lane keeping assist, emergency automatic braking, etc. Although these features provide drivers with a safer operational environment, c...
Preprint
Full-text available
Prediction of pedestrian behavior is critical for fully autonomous vehicles to drive in busy city streets safely and efficiently. The future autonomous cars need to fit into mixed conditions with not only technical but also social capabilities. As more algorithms and datasets have been developed to predict pedestrian behaviors, these efforts lack t...
Article
Reports on the ITSS society's Bosch Future Mobility Challenge (BFMC), a competition created to provide students with a platform to interact with all AD domains and to develop and test their algorithms in an environment simulating a real city, using 1/10-scale model cars.
Article
One of the strategic goals for the IEEE Intelligent Transportation System (ITS) Society is to be the leading Society of IEEE in ITS for technical activities (TAs). This vision can be achieved by involving all ITS Society members, engaging industry and other constituents, and partnering with other IEEE technical units and outside professional associ...
Conference Paper
Vehicle collision avoidance system (CAS) is a control system that can guide the vehicle into a collision-free safe region in the presence of other objects on road. Common CAS functions, such as forward-collision warning and automatic emergency braking, have recently been developed and equipped on production vehicles. However, these CASs focus on mi...
Conference Paper
Detection and intervention of various impaired driver states have been intensively studied with corresponding technologies widely implemented in modern vehicles. Different algorithms are proposed to detect certain states or conditions, with intervention means like driver alerts or vehicle active safety features being developed and optimized accordi...
Conference Paper
Full-text available
This paper proposes an in-vehicle back-of-queue alerting system that is able to issue alerting messages to drivers on highways approaching traffic queues. A prototype system was implemented to deliver the in-vehicle alerting messages to drivers via an Android-based smartphone app. To assess its effectiveness, a set of test scenarios were designed a...
Article
As the most commonly seen vulnerable road users, protection and interaction with pedestrians are key functionalities in vehicle active safety and self-driving research areas. Development and evaluation of such systems require deeper understanding of pedestrian behaviors, especially motion patterns, in different driving environments. Traditionally,...
Chapter
Back-of-queue crashes are one of the main reasons for fatal accidents on US highways, which are commonly caused by driver inattention or distraction. It is important to improve driver’s situation awareness when approaching slow traffic or traffic queues when cruising on highways. In this paper, we propose a novel approach for developing a prototype...
Article
Full-text available
Road departure prevention systems (RDPSs) for mitigating/avoiding road departure crashes have been developed and equipped in some high-end production vehicles in recent years. In order to provide a standardized and objective performance evaluation of RDPSs, this paper describes the test scenario development and the associated data acquisition and d...
Article
Enhancing traffic efficiency and alleviating (even circumventing) traffic congestion with advanced traffic signal control (TSC) strategies are always the main issues to be addressed in urban transportation systems. Since model predictive control (MPC) has a lot of advantages in modeling complex dynamic systems, it has been widely studied in traffic...
Article
Full-text available
This paper addresses a critical issue of automotive safety. Advanced Driver Assist Systems (ADAS) are getting enormous reputation with the increasing traffic on roads day by day. This paper presents a design of an Automatic Emergency Pullover (AEP) strategy using active safety systems for a semi-autonomous vehicle on a driving simulator. The idea o...
Article
Full-text available
Purpose To support the standardized evaluation of bicyclist automatic emergency braking (AEB) systems, test scenarios, test procedures and test system hardware and software tools have been investigated and developed by the Transportation Active Safety Institute (TASI) at Indiana University-Purdue University Indianapolis. This paper aims to focus o...
Conference Paper
Full-text available
—With the significant advances in computer vision research, skeleton model based human pose recognition has become more accurate and time-efficient, although most of the applications are limited in laboratory environment or on surveillance videos. This paper proposes a pose tracking and behavior recognition method from in-vehicle scene camera. It w...
Article
Presents the biographies of the special issue editors.
Article
The papers in this special section focus on the deployment of control and optimization techniques in renewable energy systems. With the advent of low-carbon economy, there has been a growing interest in harnessing renewable energy resources particularly for electricity generation. Renewable energy resources are advocated for the economic and enviro...
Article
This paper starts with depicting the test series carried out by the Transportation Active Safety Institute, with two cars equipped with pedestrian automatic emergency braking (AEB) systems. Then, an AEB analytical model that allows the prediction of the crash speed, stopping distance, and stopping time with a high degree of accuracy is presented. T...
Conference Paper
In this paper, a gas turbine-based distributed energy system (DES) model is developed for the design of operation planning. An operation mode aimed to optimize the operation of this DES is proposed. A multi-objective cost function considering the total system efficiency and operational cost is formulated for the optimal design of DES operation and...
Article
In this paper, we propose a new framework called Energy 5.0 by analyzing the trends and interactions of industrial and energy development and advances in order to facilitate energy internet development. In particular, there are many inherent social properties in energy systems since social information and factors are introduced to energy systems. H...
Conference Paper
The Transportation Active Safety Institute (TASI) has performed a large set of performance tests of pedestrian Automatic Emergency Braking (AEB) systems of two cars of different make, under a variety of parameters including vehicle speed, lighting, mannequin speed, mannequin sizes, mannequin moving directions, etc. This paper describes the main bra...
Conference Paper
In the US, the number of traffic fatalities has had a long term downward trend as a result of advances in the crash worthiness of vehicles. However, these improvements in crash worthiness do little to help protect non-motorists. Over the last few years, this has been reflected in the number of pedestrian fatalities increasing in both absolute and r...
Conference Paper
Vehicle-pedestrian crashes are big concerns in transportation safety, and it is important to study the vehicle-pedestrian crash scenarios in order to facilitate the development and evaluation of pedestrian crash mitigation systems. Many researchers have tried to investigate the pedestrian crash scenarios relying on crash databases or pedestrian beh...
Article
In this paper, an energy management system of power-split Plug-in Hybrid Electric Vehicle (PHEV) is designed. This PHEV with power-split drivetrain operates in discrete operating domains. The drivetrain dynamics of the system are continuous within each of these discrete modes. This PHEV system consisting of discrete operational modes and continuous...
Article
In this paper, a novel part-based pedestrian detection algorithm is proposed for complex traffic surveillance environments. To capture posture and articulation variations of pedestrians, we define a hierarchical grammar model with the and–or graphical structure to represent the decomposition of pedestrians. Thus, pedestrian detection is converted t...
Conference Paper
Full-text available
Monocular based bicyclist detection in naturalistic driving video is a very challenging problem due to the high variance of the bicyclist appearance and complex background of naturalistic driving environment. In this paper, we propose a two-stage multi-modal bicyclist detection scheme to efficiently detect bicyclists with varied poses for further b...
Conference Paper
Improving driving safety is one of the most important tasks for intelligent transportation systems. In recent years, active safety systems have been widely investigated and have been playing an important role in driving safety. Among these systems, pedestrian crash imminent braking systems are towards pedestrian safety and are able to predict poten...
Conference Paper
Although integration of environment and driver information can be achieved at both micro- and macro- levels with different benefits towards driving safety, most studies focus only on the micro-level integration by coupling individual external environment events and driver responses. In the macro level, however, it is more important to understand ov...
Conference Paper
Pedestrian PCS (pre-Collision System), as a novel active pedestrian safety equipment to reduce pedestrian fatalities, was introduced by several vehicle manufactures in recent years. How to evaluate this system is still in study. This paper describes the development of a set of mannequins for pedestrian PCS evaluation. These mannequins represent rel...
Conference Paper
Forward pedestrian collision imminent braking (CIB) systems has proven to be of great significance in improving road safety and protecting pedestrians. Since pedestrian CIB technology is not mature, the performance of different pedestrian CIB systems varies significantly. Therefore the simulation of a CIB system needs to be vehicle specific. The CI...
Article
Full-text available
Integrated multimodal systems is one promising direction to improve human–vehicle interaction. In order to create intelligent human–vehicle interfaces and reduce visual load during secondary tasks, combining a haptic rotary device and a graphic display will provide one practical solution. However, in literature, the proper display position for the...
Conference Paper
Modeling vehicle-pedestrian interactions in the road environment is essential to develop pedestrian detection and pedestrian crash avoidance systems. In this paper, one novel approach is proposed to estimate the vehicle-pedestrian encountering risk in the road environment based on a large scale naturalistic driving data collection. Considering the...
Conference Paper
With the rapid growth in wireless mobile communication technology, Vehicular Ad-hoc Network (VANET) has emerged as a promising method to effectively solve transportation-related issues. So far, research on VANETs has been focused on simulations as the real-world experiment is expensive. A core problem affecting the fidelity of simulation is the mob...
Article
Crash imminent braking (CIB) systems are equipped in high-end passenger vehicles by many auto manufactures. Due to the complex nature of the CIB technology, the features and performance of various CIB systems differ significantly. To date, there are no standards to evaluate and compare the comprehensive performance of different CIB systems. This pa...
Book
Advances in Intelligent Vehicles presents recent advances in intelligent vehicle technologies that enhance the safety, reliability, and performance of vehicles and vehicular networks and systems. This book provides readers with up-to-date research results and cutting-edge technologies in the area of intelligent vehicles and transportation systems....
Conference Paper
Detection of pedestrians during driving is a complex cognitive activity. Some of the pedestrian crashes are due to driver's late or difficult perception of pedestrian's appearance. Visual clutter analysis can be used to study the factors that affect human visual search efficiency. In this research, we propose a new approach of visual clutter analys...
Article
Driver distraction detection and intervention are important for designing modern driver-assistance systems and for improving safety. The main research question of this paper is to investigate how the cumulative driver off-road glance duration can be controlled to reduce the probability of occurrences of crash and near-crash events. Based on the ava...
Conference Paper
Investigation of pedestrian step frequency is essential for analyzing walking gaits and pedestrian behaviors. However, most research about step frequency is performed in labs or manually controlled experimental environment, which greatly limits the utilization of the results to analyze and/or predict real pedestrian behaviors. This study investigat...
Conference Paper
Pedestrian detection is a challenging task due to the high variance of pedestrians and fast changing background, especially for a single in-car camera system. Traditional HOG+SVM methods have two challenges: (1) false positives and (2) processing speed. In this paper, a new pedestrian detection method using multimodal HOG for pedestrian feature ext...
Article
As Crash Imminent Braking (CIB) systems have been introduced to the passenger vehicle market segment, there is an immediate need to develop a standardized performance scoring system which enables an objective comparison of similar CIB systems implemented across various vehicle platforms. It is desirable that this standard is adopted by the entire a...
Article
This paper proposes an approach for the optimal design of fault-tolerant Petri net controllers using arc weights minimization. Given a system controller that is modeled as a Petri net, a fault-tolerant Petri net controller is obtained by embedding the given Petri net controller into a larger (redundant) Petri net controller that retains the propert...
Conference Paper
Vehicle forward collision imminent braking (CIB) systems have been equipped in high-end passenger vehicles by many auto manufactures. Due to the complex nature of the CIB technology, the features and performance of various CIB systems differ significantly. As to date, there are no standards to evaluate and compare different CIB systems. This paper...
Conference Paper
Pedestrian safety has become an important issue for automobile design. Although a lot of research has been done or is ongoing in developing in-car camera-based pedestrian protection systems, robust and reliable in-car camera based pedestrian analysis is still very challenging, especially for real-time systems or large scale dataset analysis. In thi...
Conference Paper
The parameters of an adaptable cruise control system may change considerably during the course of operation. The addition of passengers, the increased friction as parts wear and the reduction in mass as fuel is consumed all provided changes to the load of the system. These variations and many others may be modeled as a non-perfect plant, called an...
Article
Full-text available
In this paper, a particle swarm optimization (PSO) based method is proposed to obtain the time-optimal bang-bang control law for both linear and nonlinear systems. By introducing a penalty function, the method can be modified to deal with systems with constraints. Compared with existing computational methods, the proposed method can be implemented...
Article
Full-text available
Over-discharge is one of the most common electrical abuses a Li-ion battery suffers. This paper presents preliminary results for the failure signatures of over-discharged Li-ion batteries, and proposes a rule-based method and a probabilistic method for failure detection. The two methods are verified using experimental results for a Li-ion battery....
Article
In this paper, a supervisory control of Plug-in Hybrid Electric Vehicles (PHEVs) using hybrid dynamical systems theory is presented. In hybrid dynamical systems, the state trajectories are described by both differential equations and discrete transitions. A PHEV has different operating modes which are modelled in the hybrid dynamical systems framew...
Conference Paper
Full-text available
A new switching strategy is proposed in the design of an Adaptive Cruise Control (ACC) system operating in a platooning traffic configuration. The proposed control system enjoys shorter elapsed time than conventional methods while still being able to maintain a safe distance between vehicles during transient process. During the headway control mode...
Article
As active safety system features are being introduced to the passenger vehicle market segment, there is an immediate need to develop a standardized testing protocol and scoring mechanism which enables an objective comparison of similar active safety system performance as implemented across various vehicle platforms. It is desirable that this standa...
Conference Paper
This paper proposes an approach for the optimal design of fault-tolerant Petri net controllers. Given a system controller that is modeled as a Petri net, a fault-tolerant Petri net controller can be obtained by embedding the given Petri net controller into a larger Petri net controller that retains the functionality of the original controller, and...
Article
This paper addresses the problem of reconstructing the event sequences in an automated guided vehicle system (AGVs) that is modeled as a Petri net. We assume that every location of vehicles in the AGVs (i.e., each place in the net) is equipped with a sensor that is able to detect the presence of vehicles. Furthermore, the observation of each sensor...
Article
Many fuel consumption improvements for heavy-duty diesel engines have been achieved in the area of control and calibration. Few have addressed methods of improving fuel consumption during highway cruising. Since cruise control is activated most of the time during long trips, it should be seen as a viable option for improving fuel economy. If enviro...
Article
This paper develops an algorithm for estimating the route(s) with the least total travel time in transportation systems that are modeled as Petri nets. Each transition in the net is associated with a cost that is related to the travel time from a starting point to a destination. This cost can be computed from the traffic flow and vehicle speed info...
Article
A converted Toyota Prius 2007 plug-in hybrid electric vehicle (PHEV) uses additional large capacity battery, so that it can enhance the pure electric drivability and increase its electric range. To accomplish real time energy distribution management system in this PHEV, firstly, a specific model is established which contains most of the powertrain...
Article
This paper proposes an approach for fault detection in a system that is modeled as an acyclic Petri net. Places in the net can be either observable or unobservable, and faulty behavior in the system are modeled as faulty transitions in the net. Our goal is to determine whether faulty transitions occur or not based on the observation of system state...
Conference Paper
This paper develops an algorithm for the optimal design of fault-tolerant Petri net controllers with minimum initial state specifications. Given a system controller that is modeled as a Petri net, a fault-tolerant Petri net controller can be obtained by incorporating additional places, tokens, and connections with the original controller. The main...
Article
Bone remodelling in adult skeleton is a process of maintaining bone mass through combined activities of bone forming osteoblasts and bone resorbing osteoclasts. Focusing on a molecular pathway mediated by osteoprotegerin, the authors derived a mathematical formulation for molecular interactions and cellular behaviours. The authors also treated this...
Conference Paper
This paper proposes a methodology for the design of fault tolerant controllers in parallel parking system that is modeled by a Petri net. The faults that we consider are transient sensor failures that may occur due to external interference and/or hardware malfunction. We first develop a Petri net controller that is able to keep normal operation of...