This paper focuses on the robust adaptive control of a coaxial-ducted-fan aircraft under context significant system uncertainty. To ensure accurate tracking even in presence model uncertainties and disturbances for ducted-fan flight platform, reference architecture is proposed this basis augmentation. With nominal closed-loop as system, overlays inputs top linear time-invariant to compensate real time. allows be tracked rapidly accurately by output uncertain which ensures that performance...

<div class="section abstract"><div class="htmlview paragraph">This paper proposes a cooperative control of transit signal priority and speed guidance strategy for connected buses at intersections, which aims to reduce travel delays improve driving comfort. The bus could pass the intersection with green light while minimizing impact on social traffic flow or waiting time intersections. optimal problem is described as mixed-integer programming problem. Serval simulation tests are...

<div class="section abstract"><div class="htmlview paragraph">This work aims to design an ecological driving strategy for connected and automated vehicles (CAVs) at isolated signalized intersection in a mixed traffic flow of CAVs human-driven (HVs). Actually, from existing experiments theories, we can obtain that stochasticity HVs plays nontrivial role flow, including the drivers’ personality style interaction between HV CAV. To consider uncertainty HVs, propose driver acceptance...

ABSTRACT Considered a promising power plant offering 25% higher efficiency than conventional reciprocating engines, the free piston linear generator (FPLG) has garnered significant attention due to its breakthrough design that eliminates crank‐connecting rod, thereby achieving enhanced efficiency. However, this structural innovation is double‐edged sword, while having advantages such as compact structure and short transfer path reduce energy loss, it inevitably makes stability of system...

<div class="section abstract"><div class="htmlview paragraph">Since most of the existing studies focus on identification yaw stable region, but ignore roll this article presents a software tool YRSRA for calculating both and region ground vehicle system with 5G-V2X. And frequency rollover instability commercial vehicles such as trucks buses is not low, cost accidents often greater than accidents. Therefore, it necessary to identify stability at same time. Firstly, iterative model...

<div class="section abstract"><div class="htmlview paragraph">To ensure the safety and stability of road traffic, autonomous vehicles must proactively avoid collisions with traffic participants when driving on public roads. Collision avoidance refers to process by which detect static dynamic obstacles road, ensuring safe navigation in complex environments. To achieve effective obstacle avoidance, this paper proposes a CL-infoRRT planning algorithm. consists two parts. The first...

<div class="section abstract"><div class="htmlview paragraph">A rule-based unilateral fault-tolerant control strategy is proposed to improve the vehicle's yaw stability and dynamics in case of drive system failure for multi-axle differential steering vehicles due various unpredictable factors during driving. Meanwhile, based on conditional integration algorithm, a multi-axis vehicle designed resist saturation, which ensures that tracks reference signal accurately. In order test...

<div class="section abstract"><div class="htmlview paragraph">In order to make lateral motion robust and stable for smart chassis, a controller is proposed in this paper taking structural uncertainty into account. Firstly, new error model developed describe the problem. Secondly, kernel of active disturbance rejection control method, that is, second linear tracking differentiator embedded between first (FO-LADRC). And every module has been designed detail, which contains...

<div class="section abstract"><div class="htmlview paragraph">The current research landscape in path tracking control predominantly focuses on enhancing accuracy, often overlooking the critical aspect of passenger comfort. To address this gap, we propose a novel method that integrates vehicle stability indicators and road curvature variations to elevate The core contributions are threefold: firstly, conduct comprehensive dynamics modeling analysis identify key parameters...

<div class="section abstract"><div class="htmlview paragraph">Trajectory tracking control is a critical component of the autopilot system, essential for achieving high-performance autonomous driving. This paper presents design stable, reliable, accurate, fast, and robust trajectory controller. Specifically, lateral longitudinal controller based on linear parameter time-varying model predictive (LPV-MPC) framework designed. Firstly, three-degree-of-freedom vehicle dynamics error...

A hard issue in the field of microrobots is path planning complicated situations with dense obstacle distribution. Although Dynamic Window Approach (DWA) a good avoidance algorithm, it struggles to adapt complex and has low success rate when densely populated locations. This paper suggests multi-module enhanced DWA (MEDWA) algorithm address aforementioned issues. An obstacle-dense area judgment approach initially presented by combining Mahalanobis distance, Frobenius norm, covariance matrix...

<div class="section abstract"><div class="htmlview paragraph">Lots of invalid volume traffic occurs as the vehicle repeatedly seeking valid berth location, due to existence information islands, which reduces efficiency, increases congestion and emission pollutants. Aiming at eliminating this paper proposed a guidance strategy for parking space autonomous valet parking, taking merits cooperative infrastructure system. The consists an optimal model adaptive ant-colony algorithm....

In order to reduce the use of wheel angular velocity sensors and improve estimation accuracy robustness tire–road friction coefficient (TRFC) in non-Gaussian noise environments, this paper proposes a sensorless control-based distributed drive electric vehicle TRFC algorithm using permanent magnet synchronous motor (PMSM). The replaces signal with rotor speed obtained from control PMSM. Firstly, seven-degree-of-freedom dynamics model mathematical PMSM are established, maximum correntropy...

When a permanent magnet synchronous motor (PMSM) is designed according to the traditional design theory, performance of often challenging achieve desired goal, and further optimization parameters usually required. However, strongly coupled, non-linear, multivariate complex system, it challenge optimize by methods. It needs rely on reliable surrogate models algorithms improve PMSM, which one problematic aspects optimization. Therefore, this paper proposes strategy based combination...

The in-wheel motor (IWM) driving system has potential applications in electric vehicles (EV) due to its high integration and controllability. However, the IWM electromagnetic excitation, which acts on wheels, can produce negative vibration noise issues. This paper investigates influence of excitation suppression methods. An integrated model considering including suspension system, is established developed. A speed control includes acceleration braking conditions, designed, characteristics...

For in-wheel driving vehicle electric vehicles (EVs), mechanical electromagnetic coupling effect caused by the air gap deformation in permanent magnet synchronous hub motor and intensified road excitation deteriorates EVs performance. In this paper, after studying numerical method for multi-field problems of hub-driving under coupled action field field. The experimental validation is investigated. results indicate that worsens dynamics performance vehicle. To enhance performance, suppress...

A high-end permanent magnet (PM) synchronous motor’s cogging torque is a significant performance measure (PMSM). During the running of motor, excessive will amplify noise and vibration. Therefore, must be taken into account while optimizing design motors with precise motion control. In this research, we proposed local optimization-seeking approach (RSM+NSGA-II-LR) based on Response Surface Methodology (RSM) Non-Dominated Sorting Genetic Algorithm-II (NSGA-II), which reduced motor (SPMSM). To...

Abstract in order to study the torque ripple of permanent magnet synchronous motor for electric vehicle, method modular poles instead single pole is adopted reduce ripple. The consist three kinds magnets with different remanence and are arranged a sinusoidal distribution. arc length position each magnetic calculated according cutting area air gap flux density wave. By changing wave, optimal coefficient was determined, combination smallest value obtained. results show that sine degree back...

To solve the problems of serious buffeting in traditional sliding mode control and difficulty obtaining derivative information system surface, a distributed drive electric vehicles active front steering (AFS) method based on adaptive super-twisting (ASTSMC) is proposed. Taking yaw rate deviation as state quantity, stable convergent surface designed to obtain equivalent input wheel angle. The function substituted into parameters algorithm; discontinuous term kept integrand keep signal...

Aiming at keeping safe in time and addressing disturbance of uncertainty, an closed loop forward simulation filtering double-layer artificial potential field (CL-FDAPF) trajectory planner first order linear active rejective control (FO-LADRC) motion controller are proposed for autonomous sweeper vehicle. Firstly, the field, which consists traditional cost layer level layer, is adopted here to keep planning realtime, meet limitations satisfy operational requirements, postprocessing mean...

In order to improve the performance of self-driving commercial vehicles for half-hill starting, a ramp control strategy based on back-slip speed corresponding parking moment is proposed. Firstly, longitudinal dynamics model vehicle established, force analyzed, and rear slip matched with moment, finally target tracked sliding-mode controller, in validate validity method, two comparative algorithms pure PI controller proportional gain back-sliding resting are designed experiments, data results...