Particle swarm optimization (PSO) is a well-known algorithm that shows good performance in solving different problems. However, PSO usually suffers from slow convergence. In this article, reinforcement learning-based online parameters adaption method(RLAM) developed to enhance convergence by designing network control the coefficients of PSO. Moreover, based on RLAM, new RLPSO designed. order investigate RLAM and RLPSO, experiments 28 CEC 2013 benchmark functions are carried out when...

Intelligent electric vehicles (IEVs) have attracted more and attention benefitting from the characteristics of high degree safety energy efficiency. This paper proposes an adaptive cruise control framework considering regenerative braking to improve efficiency IEVs during car-following process. At first, a coupled nonlinear dynamic model system is constructed, which mainly composed powerful battery, motor, single-speed transmission, hydraulic system. Then, fuzzy sliding mode high-level...

The driving style of human automobile drivers plays a vital role in vehicle energy management and safety. Human often exhibit different styles during cycles. Moreover, short-term behaviors cannot accurately reflect their comprehensive styles. Thus, identification model, based on cycle recognition, is proposed this study. model was developed to comprehensively assess more identify long-term First, the characteristic parameters are selected calculated, dimensions data collected from real...

A temperature sensor plays an important role in modern high-performance processing chips. sensing core with a high accuracy is proposed this article to meet the increasing demand for on-chip thermal monitoring. comprehensive analysis of characteristics subthreshold current presented achieve optimal accuracy. The information contained converted into frequency which can be easily digitized dynamic offset compensation (DOC) method improve supply sensitivity. In addition, small area and low...

This paper proposes a configurable Sigmoid and Tanh activation function circuit design by second-order approximation deviation compensation. The proposed is synthesized in TSMC 180nm technology within 7218 um <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> area at 500MHz, it also deployed on Xilinx ZC706 FPGA 158 LUTs 46 FFs 333MHz. It achieves almost 4.68× better precision 20.2% less than previous works. experimental results show that...

A p-Si/n+-6H-SiC heterojunction non-ultraviolet photodiode is fabricated on 6H-SiC substrate. Non-UV light operation of the SiC devices initially realised. J-V measurement indicates that has good rectifying behaviour with a turn-on voltage ∼1 V. Under non-UV illumination 0.6 W/cm2, device exhibits photo-response maximum open circuit Voc 92.0 mV and photocurrent Iph mA/cm2.

Currently, integrated humidity sensors with fast-response time are widely needed. The most commonly used polyimide capacitive sensor has a long response time, which is difficult to meet the need for fast response. Most studies focusing on technology and materials have high cost ensure compatability CMOS process. dynamic compensation method can shorten by only adding digital circuits or software processing. However, conventional not suitable due temperature coupling. This paper proposes new...

A design method of BJTs for high-precision temperature-sensing is studied. The effects non-idealities in the BJT on accuracy are analyzed, and an evaluation formula containing derived. We have proposed a novel parameter criteria which constrains influenced error each non-ideality below ±0.1 °C using variable-controlling procedure. conversion approach from to electrical characteristics also developed guide design. According method, designed fabricated. test results showed that within ±0.5...

&lt;div class="section abstract"&gt;&lt;div class="htmlview paragraph"&gt;The on-ramp merging driving scenario is challenging for achieving the highest-level autonomous driving. Current research using reinforcement learning methods to address problem of automated vehicles (AVs) mainly designed a single AV, treating other as part environment. This paper proposes control framework cooperative multiple AVs based on multi-agent deep (MADRL). facilitates ramp and adjacent mainline learn...

The stability and accuracy of explicit high-order finite difference (HOFD) algorithms have been research hotspots in different fields. To improve the HOFD thermal simulations, we present a Lax-Wendroff (LHOFD) algorithm to solve 2D transient heat transfer equation this paper develop an improved LHOFD (IHOFD) algorithm. formulas general central FD (HOCFD) coefficients truncation error coefficient as well non-central (HONFD) fourth-order spatial derivative are derived concisely way....

A low power dynamic-distributing-bias CMOS temperature sensor is presented for temperature-sensing RFID tag. To reduce the chip area and consumption, we propose a new hybrid PTAT/REF current generator. current-mode readout scheme devised, which dedicated to improve dynamic range utilization of ADC further consumption. Fabricated in 0.153 μm process, shows measured inaccuracy -0.6℃ +0.8℃ from −40℃ 125℃. This performance obtained by using precision nonlinearity compensation techniques such as...

Carbon fibre (CF) reinforced H62 brass matrix composites were fabricated by friction stir process (FSP). The influence of CF compound amount and welding speed on the microstructure properties CF-H62 was investigated variable orthogonal experiments drilling filled holes in plates. Under set experimental parameters, stirred processed with good surface formation, all without macroscopic defects, no loosening or holes. Optical microscopy, scanning electron microscopy (SEM) transmission (TEM)...

Spiking Neural Networks (SNNs), inspired by the biological brain, attract extensive attention for their simplified computation and ability to process spatiotemporal data. With development of retina-like sensors, there is a growing demand edge SNN accelerators. The structural dataflow great spiking sparsity SNNs provide much exploration space energy-efficient However, current accelerators did not co-optimize two features together. This brief proposes an accelerator architecture support...

This article proposes an adaptive fuzzy sliding mode control method for longitudinal motion of intelligent electric vehicles (IEVs) with nonlinear and strong time-varying characteristics under uncertainty interference. A dynamic system model is established to characterize the mechanism IEVs behavior. An hierarchical architecture constructed in which upper layer obtaining law desired acceleration based on inter-vehicle state information. utilized optimize realize control, can effectively...

The eigenfunctions of a continuous beam are found numerically. folded plate type finite strip with intermediate supports is formulated by combining such an eigenfunction in the longitudinal direction appropriate element shape function transverse direction. numerical examples given this paper, as and plate, demonstrate advantages method: simplicity, accuracy, convenience. Key words: strip, structure, eigenfunction, bending.

Microsystems face challenges such as high heat flux density and localized hot spots in the temperature field, which significantly impact their thermal reliability. The method for characterization of field forms foundation studying reliability microsystems. Accurately comprehensively characterizing is a challenging problem current research. In this scholarly article, we present viable approach steady-state transient conduction mechanisms We introduce two new parameters: gradient mode, can...