📰 技术文档 Feed — 2026-04-29 06:26

Backstepping Observer for the Quasilinear Heat Equation with Linear Design Gains: Beyond Local Stability

• 来源: arxiv-eess-sy | 评分: 90 | 📥 → GitHub
• 日期: 2026-04-29
• arXiv:2604.25815v1 Announce Type: new Abstract: We consider the one-dimensional quasilinear heat equation with state-dependent heat capacity and thermal conductivity, and design a boundary-output obs

A Class AAA Solar Testbed for Reproducible Long-Term Characterization of Energy-Harvesting Systems

• 来源: arxiv-eess-sy | 评分: 50 | 📥 → GitHub
• 日期: 2026-04-29

🤖 AI 要点：要点：本文提出了一种基于LED的Class AAA太阳光测试平台，利用Hardware‑in‑the‑Loop闭环控制实现光谱可调、均匀且长期稳定的照射，以实现可重复的超低功率能量采集系统评估。测试床在宽动态范围内提供可编程照度，光谱匹配误差低于1.3%，空间非均匀性低于1.28%，长期照度漂移小于0.6%。通过集成光照度和光谱传感器实时反馈，温控

TEACar: An Open-Source Autonomous Driving Platform

• 来源: arxiv-eess-sy | 评分: 50 | 📥 → GitHub
• 日期: 2026-04-29
• arXiv:2604.24934v1 Announce Type: cross Abstract: Intelligent Transportation Systems (ITS) increasingly rely on vision-based perception and learning-based control, necessitating experimental platform

Stochastic and Dynamic Fundamental Diagram for Mixed Traffic

• 来源: arxiv-eess-sy | 评分: 40 | 📥 → GitHub
• 日期: 2026-04-29
• arXiv:2604.24771v1 Announce Type: new Abstract: This study develops a dynamic fundamental diagram (FD) framework tailored to mixed traffic environments comprising automated vehicles (AVs) and human-d

Dual-Polarized Massive MIMO Based on Precoding for Vehicle-To-Ground Communication in Urban Rail Transit

• 来源: arxiv-eess-sy | 评分: 40 | 📥 → GitHub
• 日期: 2026-04-29

🤖 AI 总结 要点：本文提出一种适用于城市轨道交通隧道场景的分布式双极化大规模MIMO方案，基于空间三维非平稳几何随机模型（GBSM）构建考虑隧道几何和极化交叉效应的信道模型。针对双极化MIMO系统，设计了偏振感知的稀疏信道估计（PASCE）方法，并推导出MMSE与MR预编码的闭式表达。进一步提出偏振感知动态干扰消除（PADIC）算法，以消除不同极化模式和多用户之间的干扰。仿真结果表明该方案能够在高极化相关系数（XPC）下保持性能，显著提升车地（V2G）通信的频谱效率和传输速率。 关键数据：- 技术路径：采用分布式双极化天线阵列，结合3D非平稳GBSM信道模型、PASCE稀疏估计、MMSE/MR闭式预编码以及PADIC干扰消除，实现端到端的预编码处理流程。 工程权衡：需额外处理极化校准和天线阵列布局的复杂性，对信道估计精度和实时计算资源提出更高要求；在极端隧道几何变化下，模型误差可能导致性能下降。

→ 建议 ingest 到：topic-automotive-electronics.md

Distributed adaptive estimation for stochastic large regression models

• 来源: arxiv-eess-sy | 评分: 40 | 📥 → GitHub
• 日期: 2026-04-29
• arXiv:2604.25468v1 Announce Type: new Abstract: This paper studies the distributed adaptiveestimation problems for stochastic large regression modelswith an infinite number of parameters. By construc

Compact VGA Output Board For The Pi Pico

• 来源: hackaday | 评分: 30 | 📥 → GitHub
• 日期: 2026-04-29
• Many microcontrollers can spit out simple analog video signals if that’s something you desire. However, it normally requires a bit of supporting hardware and, of course, the right connectors to …read

Interval Observer Design Using Observability Decomposition for Detectable Linear Systems

• 来源: arxiv-eess-sy | 评分: 30 | 📥 → GitHub
• 日期: 2026-04-29
• arXiv:2604.24939v1 Announce Type: new Abstract: We provide a systematic interval observer design method for detectable linear time-invariant (LTI) systems, where a part of the state is observable fro

A Miniaturized Broadband 1-Bit Coding Reconfigurable Intelligent Surface for NLOS UE Localization and Uplink Communication

• 来源: arxiv-eess-sy | 评分: 30 | 📥 → GitHub
• 日期: 2026-04-29
• arXiv:2604.25430v1 Announce Type: new Abstract: In this paper, a broadband 1-bit coding metasurface-based reconfigurable intelligent surface (RIS) is presented. The unit cell of the metasurface consi

Asymmetric-Information Resource Allocation Games: An LP Approach to Purposeful Deception

• 来源: arxiv-eess-sy | 评分: 30 | 📥 → GitHub
• 日期: 2026-04-29
• arXiv:2604.25070v1 Announce Type: cross Abstract: In this work, we introduce the Deceptive Resource Allocation Game (DRAG), which studies purposeful deception within a Bayesian game framework. In DRA

EVT-Based Generative AI for Tail-Aware Channel Estimation

• 来源: arxiv-eess-sy | 评分: 50 | 📥 → GitHub
• 日期: 2026-04-29
• arXiv:2604.25008v1 Announce Type: cross Abstract: Ultra-reliable and low-latency communication (URLLC) will play a key role in fifth-generation (5G) and beyond networks, enabling mission-critical app

Essential Security Measures for Agentic AI

• 来源: embedded-com | 评分: 40 | 📥 → GitHub
• 日期: 2026-04-28
• The arrival of agentic AI in embedded systems is more than just an upgrade; it's a fundamental shift that's bound to make the average company spend even more than 20% of its budget on AI. No longer co

Spark Policy Toolkit: Semantic Contracts and Scalable Execution for Policy Learning in Spark

• 来源: arxiv-eess-sy | 评分: 40 | 📥 → GitHub
• 日期: 2026-04-29
• arXiv:2604.25061v1 Announce Type: cross Abstract: Custom policy-learning pipelines in Spark fail for two coupled systems reasons: rowwise Python execution makes inference impractical, and driver-side

Anglia adds UK-manufactured opto isolators from Isocom Components

• 来源: ee-journal | 评分: 30 | 📥 → GitHub
• 日期: 2026-04-28
• Anglia Components, one of Europe’s longest established independent, authorised distributors of electronic components, has signed a Pan-European distribution agreement with Isocom Components the leadin

This US city is putting solar + batteries on 150 homes to cut bills

• 来源: electrek | 评分: 30 | 📥 → GitHub
• 日期: 2026-04-28

🤖 AI 总结 要点：安娜堡市通过市政可持续能源公用事业（A2SEU）在布赖恩特社区试点为150户住宅安装光伏+储能系统，采用FranklinWH aPower S电池和Texture分布式能源管理软件实现协调调度。该项目旨在通过削峰填谷和备用供电降低居民电费，同时提升社区能源韧性和电网可靠性。试验结果将为其他城市推广分布式能源资源（DER）和虚拟电厂（VPP）提供可复制的路线图。计划在2027年前将规模扩展至1,000户，此后逐年推广至数千户。该试验也是美国首例市政公用事业直接采购并部署住宅级光伏+储能以支持表后计量能源使用的案例。

关键数据：150 homes ｜ 目标 2027 年 1,000 户 ｜ FranklinWH aPower S 电池 ｜ Texture 分布式能源管理软件 ｜ 参与 >25 项虚拟电厂项目

技术路径：住宅光伏阵列产生直流电经过逆变器转为交流供家用并向电网输出，多余能量存入FranklinWH电池，由Texture软件统一调度形成可聚集的虚拟电厂以提供削峰、调频和备用服务。

工程权衡：系统前期资本支出较高且依赖于补贴或融资机制；电池寿命与循环次数受

Walmart + ABB roll out 400 kW EV chargers – starting in Phoenix

• 来源: electrek | 评分: 30 | 📥 → GitHub
• 日期: 2026-04-28

🤖 AI 要点：要点：ABB与Walmart合作在菲尼克斯地区部署A400一体式直流快速充电桩，单桩最高可达400 kW，支持双枪每枪最高200 kW，采用CCS及NACS双标准接口，配备32寸触摸屏和远程监控，系统设计为高可靠性（99%正常运行时间）并预留未来扩容（如储能）。充电站点分布在沃尔玛门店，利用客户停留时间提升充电便利性和门店客流。该方案旨在

Hyundai reveals stunning IONIQ 9 Black Ink Edition, and we got a first-hand look at it [Images]

• 来源: electrek | 评分: 30 | 📥 → GitHub
• 日期: 2026-04-28
• The 2027 Hyundai IONIQ 9 Calligraphy Performance Black Ink edition is more than just another blacked-out model, and we were invited to see it in person at Hyundai’s plant in Savannah, Georgia. more…

Infineon XENSIV™ evaluation Boards

• 来源: infineon-training | 评分: 30 | 📥 → GitHub

Leveraging Agentic AI Techniques to Improve Formal Verification (Infineon, et al.)

• 来源: semi-engineering | 评分: 40 | 📥 → GitHub
• 日期: 2026-04-28
• A new technical paper, “Agentic AI-based Coverage Closure for Formal Verification,” was published by researchers at Infineon and the NIT Jalandhar. Abstract “Coverage closure is a critical requirement

Reflectometry-Based Technique for Characterising Complex Thin-Film Structures (Aalto U. et al.)

• 来源: semi-engineering | 评分: 40 | 📥 → GitHub
• 日期: 2026-04-28

🤖 AI 总结 要点：本文提出一种基于反射率测量的方法，用于表征复杂多层薄膜结构中的水平气隙厚度。通过将深垂直凹槽转换为水平结构的PillarHall测试芯片，避免了耗时的横截面制备。文章建立了包含表面弯曲影响的四层光学模型，并通过拟合模拟与测量的反射率光谱进行验证。结果表明反射率测得的上层特性与光学轮廓仪测量一致，证明了该方法的可靠性。最终得到的最小气隙厚度为454 nm，扩展不确定度为8 nm（95%置信区间）。 关键数据：最小气隙厚度 454nm ｜ 扩展不确定度 8nm (95%置信) ｜ 气隙范围 100–500nm 技术路径：利用PillarHall测试芯片将垂直高深宽比结构转换为水平可测结构，采用反射率光谱测量并引入考虑表面弯曲的四层光学模型进行拟合分析。

Geely picks onsemi EliteSiC for next-gen 900V EVs

• 来源: automotive-world | 评分: 40 | 📥 → GitHub
• 日期: 2026-04-28

🤖 AI 总结 要点：Geely与onsemi深化合作，将EliteSiC碳化硅功率器件整合到SEA-S平台的900V电动汽车架构中。该合作聚焦于Super Electric Power（SEP）系统，采用更高电压以实现更快充电、更长续航和更强加速。EliteSiC器件能够在更高电压和热应力下工作，使逆变器和转换器更小、效率更高。双方将半导体选择提前到平台设计阶段，实现系统级共同设计。此次合作被视为高压EV开发的新常态。 关键数据：900V 技术路径：在电驱动逆变器和DC-DC转换器中使用碳化硅功率器件（EliteSiC），配套高压母线和栅极驱动，以实现更高功率密度和更低开关损耗。 工程权衡：碳化硅器件对

Bosch Unveils Gen 3 SiC Power Chips for Electric Vehicles

• 来源: pe-news | 评分: 30 | 📥 → GitHub
• 日期: 2026-04-28
• Gen 3 SiC devices improve power density and reduce losses, supporting longer range in electric vehicles (EVs). The post Bosch Unveils Gen 3 SiC Power Chips for Electric Vehicles appeared first on Powe

Rethinking ESD Protection for System-On-Integrated Chiplets (UC Riverside)

• 来源: semi-engineering | 评分: 30 | 📥 → GitHub
• 日期: 2026-04-28

🤖 AI 要点：要点：本文提出了在系统级集成芯片（SoIC）内部集成 ESD 保护结构的概念，以应对 3D 晶圆级异构集成带来的静电放电失效风险。通过在晶片间互连层与封装层之间嵌入硅基 ESD 二极管或触发器，实现局部放电路径的快速泄放。研究利用先进

Schaeffler’s MultiMode dedicated hybrid transmission enters volume production with up to 145 kW

• 来源: charged-evs | 评分: 30 | 📥 → GitHub
• 日期: 2026-04-28
• Schaeffler is launching its MultiMode dedicated hybrid transmission (DHT) into volume production this year with multiple European and Asian vehicle manufacturers, the company announced at the 2026 Vie

Alumina Nanowires Improve Thermal Management in Advanced Packaging (Georgia Tech et al.)

• 来源: semi-engineering | 评分: 20 | 📥 → GitHub
• 日期: 2026-04-28
• A new technical paper, “Epoxy Composites Reinforced with Long Al2O3 Nanowires for Enhanced Thermal Management in Advanced Semiconductor Packaging,” was published by researchers at the Georgia Institut

Custom DIY DMM SMD fixture for low Z measurements

• 来源: edn | 评分: 30 | 📥 → GitHub
• 日期: 2026-04-28
• Leveraging a prior fixture design with different lab equipment once again enables highly reliable results. The post Custom DIY DMM SMD fixture for low Z measurements appeared first on EDN.

Microchip’s CLB MCUs Marry Programmable Logic and Embedded Control

• 来源: allaboutcircuits | 评分: 30 | 📥 → GitHub
• The configurable logic block microcontrollers grant developers the flexibility of an MCU-based design with the deterministic capability of dedicated hardware.

An analysis of sensor selection for fruit picking with suction-based grippers

• 来源: arxiv-eess-sy | 评分: 30 | 📥 → GitHub
• 日期: 2026-04-29
• arXiv:2604.24906v1 Announce Type: cross Abstract: Robotic fruit harvesting often fails to reliably detect whether a fruit has been successfully picked, limiting efficiency and increasing crop damage.

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• 编辑 wiki/feeds/sources.json 添加/禁用订阅源