<div>In this article, we present a spatiotemporal trajectory planning algorithm for emergency obstacle avoidance. Utilizing and driving environment data from the sensing module, construct 3D grid map. This informs our improved hybrid A* algorithm, which identifies collision-safe, dynamically feasible trajectories. The traditional is enhanced in three significant ways to make search practical feasible: (1) optimizing efficiency with motion primitives based on child node acceleration,...

<div class="section abstract"><div class="htmlview paragraph">Automated driving is an important development direction of the current automotive industry. Level 3 automated allows driver to perform non-driving related tasks (NDRTs) during driving, however, once operating conditions exceed designed domain, still required take over. Therefore, it rationally design takeover requests (TORs) in conditional driving. This paper investigates effect directional tactile guidance on...

Abstract To improve the ride comfort and safety of a traditional adaptive cruise control (ACC) system when preceding vehicle changes lanes, it proposes target selection algorithm based on prediction lane-changing intention for vehicle. First, Next Generation Simulation dataset is used to train sliding window support vector machine, in current lane identified by lateral position offset. Second, according collision threat vehicle, studied under three different conditions: safe lane-changing,...

Parallel multi-inverter systems can be designed to have the advantages of expandable output power, improved reliability, and easy N+X redundancy operation. However, a current-sharing control scheme has employed enable inverters share load current equally. The concept circulating impedance is proposed in paper, introduced into parallel systems. mathematical model set up. By introducing circulating-impedance regulator, characteristic controlled similar that pure resistance or inductance. Then...

The realization of decision-making, trajectory planning, and motion control intelligent vehicles highly depends on the precise continuous position information. To provide reliable pose information during GNSS (Global Navigation Satellite Systems)outage, an integrated strategy based GNSS, INS (Inertial System), DR (dead reckoning) considering nonholonomic constraints (NHC) was proposed in this paper. First, a positioning algorithm GNSS/INS established using Error State Kalman Filer (ESKF)....

Stand- alone photovoltaic systems have solved power supply in the many remote areas. Inverter is key component of system. By paralleling several mid/low-power inverter units to compose a large system, both capability and reliability system can be enhanced. The circumfluence among parallel PV reason for preventing operating from running normally. In order share load restrain circumfluence, it described that digital current sharing control technique operation detail this paper. structure...

Forming a platoon of connected and automated vehicles (CAVs) can contribute to alleviating traffic jams, easing congestion, improving safety. To address the problem frequent communication possibly causing network congestion when there are many CAVs, we propose distributed control vehicular using an event-triggered strategy based on state estimation. First, hierarchical structure comprising linear quadratic regulator (LQR) fuzzy proportional–integral–derivative (fuzzy PID) controller was...

In order to share the load and restrain circumfluence, it is described that a digital current sharing control technique for modularized UPS parallel operation in detail this paper, structure of system presented. Based on analysis circumfluence paralleled system, characteristic power regulation, novel detection deduced. With measuring analyzing instantaneous average all modules output each module, both components are used regulate amplitude phase voltage. way, paralleling realized. The...

In this paper, a pattern recognition approach is developed to identify the driver steering behavior characteristics. The detailed process divided into three parts, feature parameters extracting, clustering and identification model building. driving simulator experiments are designed obtain primitive data, extractedto profile each manipulation sample. After that,all samples clustered with aid of K-means Gaussian mixture (GMM). Based on corresponding cluster labels, two models characteristics...

Traction control system is studied based on the Omni-directional vehicle which built by our research group. The mainly involves two aspects, state estimation and traction logic design. Extended Kalman Estimation relying multiple degrees of freedom model used to estimate longitudinal speed, lateral side slip angle, yaw rate. calculates tire ratios four wheels according estimated velocity, then designed PID control. Simulations Carsim Matlab/Simulink show that algorithm estimates angle rate...

<div class="section abstract"><div class="htmlview paragraph">This paper addresses the issues of long-term signal loss in localization and cumulative drift SLAM-based online mapping autonomous valet parking scenarios. A GPS, INS, SLAM fusion framework is proposed, enabling centimeter-level with wide scene adaptability at multiple scales. The leverages coupling LiDAR Inertial Measurement Unit (IMU) to create a point cloud map within environment. IMU pre-integration information...

Abstract In this paper, we determined the adjustment levels of human–machine layout under preferred driving posture for individuals with different body sizes. We also comparatively analyzed maximum activation various muscles straight‐line and steering conditions. To increase accuracy results, AnyBody biomechanics software was used to establish a human skeletal muscle mechanics model, which consistency rig test results. The results showed that people larger sizes position seat reclined back....

With the rapid development of autonomous driving, much attention has been paid to collision avoidance systems in emergency scenarios that have a critical impact on driving safety. In this paper, multi-constraint path planning method considers drivable area vehicle is proposed meet safety and real-time requirements for vehicles. The algorithm defines hazard moment, calculates relationship between moment position constraint, makes corrections process, finally obtains by solving an optimization...

Self-portrait is the mirror image of mind, it artist's exploration inner self and self-portrait portrait for artist.The artist understands himself through this way.The development art actually reflects process western history.In different periods, schools presents style as an independent form, showing a variety artistic language forms, portrayal self-examination.The study has more profound practical significance. The -portrait in Western artSelf-portrait form gone three centuries long...