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2023 9th International Workshop on Advances in Sensors and Interfaces (IWASI)最新文献

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An Ultra Low Power Pixel for Implantable Neural Interfaces 一种用于植入式神经接口的超低功耗像素
Pub Date : 2023-06-08 DOI: 10.1109/IWASI58316.2023.10164384
Timo Lausen, S. Keil, R. Thewes
The design of an 8 x 8 array in a 180 nm CMOS technology is presented for testing a new type of neural sensing amplifier. Post layout simulation results show an input refereed noise of 10.3 μVrms in the local field potential band from 1Hz to 300Hz and 19.8 μVrms in the action potential band from 300Hz to 10kHz. The required power per pixel is 165 nW or 50nA at 3.3 V. The bandwidth is 2kHz at a full frame rate of 10kHz.
为测试一种新型神经传感放大器,设计了一种基于180nm CMOS技术的8 × 8阵列。后置仿真结果表明,在1Hz ~ 300Hz局部场电位带输入参考噪声为10.3 μVrms,在300Hz ~ 10kHz动作电位带输入参考噪声为19.8 μVrms。在3.3 V时,每像素所需的功率为165 nW或50nA。带宽为2kHz,全帧速率为10kHz。
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引用次数: 0
Effect of poling on piezoelectric performances of Nb-doped BZT-BCT prototypes 极化对掺铌BZT-BCT原型压电性能的影响
Pub Date : 2023-06-08 DOI: 10.1109/IWASI58316.2023.10164421
L. Barretta, R. Scaldaferri, A. Esposito, P. Barbato, V. Casuscelli
This work reports the ferroelectric-piezoelectric characteristic of Nb doped BZT-BCT sol gel thin films pristine and after an optimized poling process. Displacement spectrum of cantilever is reported for pristine and poled state. The two spectra comparison clearly outlines the effectiveness of poling treatment.
本文报道了铌掺杂BZT-BCT溶胶凝胶薄膜的铁电-压电特性。报道了悬臂梁在原始状态和极点状态下的位移谱。两种光谱对比清楚地说明了极化处理的有效性。
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引用次数: 0
Using HARV-SoC for Reliable Sensing Applications in Radiation Harsh Environments 利用hav - soc在辐射恶劣环境中实现可靠的传感应用
Pub Date : 2023-06-08 DOI: 10.1109/IWASI58316.2023.10164578
André M. P. Mattos, D. Santos, Carolina Imianosky, D. Melo, L. Dilillo
Sensing systems are present in most application domains, including those in harsh environments. These systems are often designed around processing units sensitive to these environmental conditions. Still, the systems must withstand extreme operational conditions in these environments and maintain consistent measurements. In this work, we present the challenges imposed by radiation effects in sensing applications and discuss the utilization of a fault-tolerant RISC-V System-on-Chip, the HARV-SoC, to mitigate their impact. The HARV-SoC comprises peripherals and the fault-tolerant HARV core, which relies on hardening strategies, such as physical and information redundancy, to meet the requirements of critical applications targeting harsh environments and reduce the propagation of errors. Hence, we guide how to employ the proposed system in sensing applications and empower the community with a new tool for reliability-oriented projects.
传感系统存在于大多数应用领域,包括那些在恶劣环境中的应用。这些系统通常是围绕对这些环境条件敏感的处理单元设计的。尽管如此,这些系统必须能够承受这些环境中的极端操作条件,并保持一致的测量结果。在这项工作中,我们提出了辐射效应在传感应用中所带来的挑战,并讨论了容错RISC-V片上系统(hav - soc)的使用,以减轻其影响。HARV- soc包括外设和容错HARV核心,该核心依赖于物理和信息冗余等强化策略,以满足针对恶劣环境的关键应用的要求,并减少错误的传播。因此,我们指导如何在传感应用中使用拟议的系统,并为面向可靠性的项目提供新的工具。
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引用次数: 0
Towards Robust and Efficient On-board Mapping for Autonomous Miniaturized UAVs 面向自主小型化无人机的鲁棒高效机载测绘
Pub Date : 2023-06-08 DOI: 10.1109/IWASI58316.2023.10164476
T. Polonelli, Casimir Feldmann, Vlad Niculescu, H. Müller, M. Magno, L. Benini
The demand for autonomous nano-sized Unmanned Aerial Vehicles (UAVs) has risen due to their small size and agility, allowing for flight in cluttered indoor environments. However, their small size also significantly limits the payload as well as the battery size and computational resources. Especially the scarcity of memory poses a significant obstacle to generating high-resolution occupancy maps. This work presents an on-board 2-dimensional occupancy mapping system for centimeter-scale UAVs using a miniature 64-zone Time of Flight sensor. Experimental evaluations on the Crazyflie 2.1 nano-UAV have demonstrated that produced maps feature a resolution of 10 cm at mapping velocities up to 1.5 m/s, while covering an area of maximum 400 m2.
由于其体积小、敏捷性好,可以在杂乱的室内环境中飞行,对自主纳米级无人机(uav)的需求正在增加。然而,它们的小尺寸也极大地限制了有效载荷、电池尺寸和计算资源。特别是存储器的稀缺性对生成高分辨率占用地图构成了重大障碍。这项工作提出了一种用于厘米级无人机的机载二维占用测绘系统,该系统使用微型64区飞行时间传感器。在crazyfly 2.1纳米无人机上的实验评估表明,在绘制速度高达1.5米/秒的情况下,生成的地图具有10厘米的分辨率,同时覆盖面积最大为400平方米。
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引用次数: 1
Thin film electronic devices marry lab-on-chip applications 薄膜电子器件与芯片上的实验室应用相结合
Pub Date : 2023-06-08 DOI: 10.1109/IWASI58316.2023.10164460
D. Caputo
Lab-on-Chip technology is gaining great interest due to the many possibilities that it offers in the fields of life sciences, from parallel analysis in genomics to point-of-care devices in medical diagnostics. At the beginning, Lab-on-Chip devices essentially consisted of a microfluidic network that miniaturized the analytical procedures leading to faster reaction kinetics and lower sample and reagents consumption. Recent devices integrate several functional modules, that allow all the functions of a human-scale test laboratory including transferring samples, drawing off a precise volume of a chemical product, reagent mixing, DNA extraction, detection and quantification of biomolecules.
芯片实验室技术正在获得极大的兴趣,因为它在生命科学领域提供了许多可能性,从基因组学的并行分析到医疗诊断的护理点设备。最初,芯片实验室设备基本上由微流控网络组成,该网络使分析过程小型化,从而加快反应动力学,降低样品和试剂消耗。最近的设备集成了几个功能模块,允许人体尺度测试实验室的所有功能,包括转移样品,提取化学产品的精确体积,试剂混合,DNA提取,生物分子的检测和定量。
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引用次数: 0
Smart combination of ECG and PPG signals: an innovative approach towards an electronic device for vital signs monitoring ECG和PPG信号的智能组合:生命体征监测电子设备的创新方法
Pub Date : 2023-06-08 DOI: 10.1109/IWASI58316.2023.10164373
Chiara Botrugno, E. Leogrande, Francesco Dell’Olio, Teresa Natale
Continuous vital signs monitoring is an important aid for preventing, diagnosing and timely treating different pathologies, especially in the field of cardiovascular and respiratory diseases. The aim of this work is to present a multiparameter tool for vital signs monitoring, starting from photoplethysmographic (PPG) and electrocardiographic (ECG) signal extraction and processing. In particular, a multi-wavelength photoplethysmographic sensor is used for the prediction of heart rate and the degree of blood hemoglobin oxygenation; with a simultaneous mining of the PPG signal with the ECG signal, it is also possible to determine the value of systolic pressure, by calculating the Pulse Transit Time (PTT), that is, the time interval between the R wave of the ECG signal and the subsequent systolic peak of the PPG signal. Such algorithms have been validated using reference instruments (sphygmomanometer and pulse oximeter): the performance is promising, with an average relative error of less than 5%. Results suggest that this innovative approach to vital signs monitoring can lead to the development of an electronic device that is simple to use, low cost and non-invasive.
生命体征的持续监测是预防、诊断和及时治疗各种疾病,特别是心血管和呼吸系统疾病的重要辅助手段。这项工作的目的是提出一个多参数的生命体征监测工具,从光容积脉搏波(PPG)和心电图(ECG)信号的提取和处理开始。特别地,多波长光体积脉搏传感器用于预测心率和血液血红蛋白氧合程度;同时挖掘PPG信号与心电信号,还可以通过计算脉冲传递时间(PTT)来确定收缩压的值,即心电信号的R波与随后的PPG信号的收缩压峰值之间的时间间隔。这些算法已经用参考仪器(血压计和脉搏血氧计)进行了验证:性能是有希望的,平均相对误差小于5%。结果表明,这种创新的生命体征监测方法可以导致一种使用简单、成本低、无创的电子设备的发展。
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引用次数: 0
Lightweight Secure Keys Management Based on Physical Unclonable Functions 基于物理不可克隆功能的轻量级安全密钥管理
Pub Date : 2023-06-08 DOI: 10.1109/IWASI58316.2023.10164402
M. Barbareschi, V. Casola, Daniele Lombardi
The concept behind Internet of Things (IoT) involves connecting physical objects to the internet and endowing them with the ability to identify one another and exchange data. This communication paradigm arises new security challenges. Mainly, authenticity of network nodes, to let ones with malicious intent not thrive in such a network; and confidentiality, when sensitive data have to be exchanged. Most classical security techniques are not suitable to address such issues, especially in Wireless Sensor Network (WSN) where network nodes are developed using resource-constrained devices. Consequently, the scientific literature has been starting to investigate how Physically Unclonable Functions (PUFs), a unique digital identifier obtained from physical variability induced by integrated circuit manufacturing process, could be exploited to provide security mechanisms. In this paper, we present ConPHEMAP, a new lightweight PUF-based key management-scheme for point-to-point communications. The proposed scheme extends the PHEMAP protocol and inherits same properties, including flexibility since can be adopted either in the case where both nodes are provided with PUFs or when only one of them includes it. We also conducted a security analysis to verify the protocol resilience against different kinds of attacks, which proves its suitability in a heterogeneous insecure context such as WSNs.
物联网(IoT)背后的概念涉及将物理对象连接到互联网,并赋予它们相互识别和交换数据的能力。这种通信范式产生了新的安全挑战。主要是网络节点的真实性,让恶意分子无法在这样的网络中茁壮成长;当必须交换敏感数据时,需要保密。大多数传统的安全技术都不适合解决这些问题,特别是在无线传感器网络(WSN)中,网络节点是使用资源受限的设备开发的。因此,科学文献已经开始研究如何利用物理不可克隆功能(puf)来提供安全机制,puf是一种独特的数字标识符,由集成电路制造过程引起的物理变异性获得。本文提出了一种新的基于puf的点对点通信的轻量级密钥管理方案ConPHEMAP。所提出的方案扩展了PHEMAP协议并继承了相同的属性,包括灵活性,因为既可以在两个节点都提供puf的情况下采用,也可以在只有一个节点包含puf的情况下采用。我们还进行了安全分析,验证了协议对不同类型攻击的弹性,证明了其在异构不安全环境(如wsn)中的适用性。
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引用次数: 0
Characterization of the nuclei identification performances of the plastic scintillator detector prototype for the future HERD satellite experiment 用于未来HERD卫星实验的塑料闪烁体探测器样机的核识别性能表征
Pub Date : 2023-06-08 DOI: 10.1109/IWASI58316.2023.10164305
D. Serini, C. Altomare, Francesco Alemanno, N. A. Ximenes, F. Barbato, P. Bernardini, I. Cagnoli, E. Casilli, P. Cattaneo, A. Comerma, I. Mitri, F. Palma, C. Vecchi, A. Giovanni, L. Venere, M. D. Santo, A. Espinya, M. Alonso, G. Fontanella, P. Fusco, F. Gargano, D. Gascón, S. Gómez, D. Guberman, D. Kyratzis, F. Licciulli, F. Loparco, S. Loporchio, L. Lorusso, M. Mazziotta, M. Mongelli, J. Mauricio, A. Parenti, G. Panzarini, R. Pillera, A. Rappoldi, G. Raselli, M. Rossella, A. Sammukh, A. Sanuy, A. Smirnov, L. Silveri, A. Surdo, R. Triggiani, L. Wu
Satellite experiments employ plastic scintillators to discriminate charged from neutral particles and to identify charged nuclei. We have assembled and tested a prototype of Plastic Scintillator Detector (PSD) equipped with Silicon Photomultipliers (SiPMs) for the High Energy Cosmic Radiation Detection facility (HERD) that will be installed onboard the future Chinese Space Station (CSS). The HERD experiment will provide high quality data on charged cosmic rays up to PeV energies and gamma rays above 100 MeV energies. In order to explore the capability of charge identification of nuclei up to iron, a beam test campaign was performed in 2022 at CERN to study the overall performance of the PSD. The PSD prototype is composed of 8 plastic scintillator trapezoidal bars of two different lengths. The PSD prototype was irradiated with an ion beam composed of particles of selected momentum of 150 GeV/n at CERN SPS H8 beam line. Along the beam line two 10× 10× 0.5 cm3 squared plastic scintillator tiles were also placed to monitor the beam composition and the particle fragmentation upstream and downstream the beam line. In this work the main results of the SPS H8 beam test in terms of nuclei identification performances of the PSD ptototype detector will be shown.
卫星实验使用塑料闪烁体来区分带电粒子和中性粒子,并识别带电原子核。我们已经组装并测试了一个塑料闪烁体探测器(PSD)的原型,该探测器配备了硅光电倍增管(SiPMs),用于高能宇宙辐射探测设施(HERD),该设施将安装在未来的中国空间站(CSS)上。HERD实验将提供最高PeV能量的带电宇宙射线和100 MeV能量以上的伽马射线的高质量数据。为了探索铁以下核的电荷识别能力,CERN于2022年进行了一次束流测试活动,以研究PSD的整体性能。PSD原型由8个不同长度的塑料闪烁梯形棒组成。在CERN SPS H8束流线上,用选择动量为150 GeV/n的粒子组成的离子束照射PSD原型机。沿束流线放置2块10× 10× 0.5 cm3平方的塑料闪烁片,监测束流线上下游的束流组成和粒子破碎情况。在这项工作中,SPS H8光束测试在PSD光型探测器的核识别性能方面的主要结果将被显示。
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引用次数: 1
Treating a different kind of patient: curing security weaknesses in digital health systems of the future 治疗一种不同的病人:解决未来数字医疗系统的安全漏洞
Pub Date : 2023-06-08 DOI: 10.1109/IWASI58316.2023.10164581
F. Regazzoni, P. Palmieri, A. Fournaris
Technological innovations are changing the world we live in, but in no sector they can have a greater impact on our lives than in the area of digital healthcare. The potential is immense: from AI-driven drug discovery to pervasive sensing to predict and prevent diseases and health conditions, the promise of technology-enabled medicine is that of better diagnoses, more effective treatments, improved prognoses, and ultimately longer and healthier lives.While technological advances in healthcare are being introduced at an ever increasing pace, they face an existential risk for their eventual adoption and public acceptance: they do not currently embed advanced cyber security mechanism that will be capable of confronting the complex cyber threats landscape of the future. In fact, while advanced cryptographic and security techniques such as secure multi-party computation, federated learning and root of trust are edging closer to deployment in the real world, they have largely not been adopted in the medical and healthcare domain. In this work, we argue that such adoption, enabled by stronger collaboration and deeper mutual knowledge between the healthcare and cyber security research community, is crucial for the success and safety of medical devices and sensors. In particular, we discuss the case of sensors, and their security, as well as the privacy of the data they collect.
技术创新正在改变我们生活的世界,但在数字医疗领域,技术创新对我们生活的影响最大。它的潜力是巨大的:从人工智能驱动的药物发现,到预测和预防疾病和健康状况的普遍传感,技术支持的医学有望实现更好的诊断、更有效的治疗、更好的预后,最终实现更长寿、更健康的生活。虽然医疗保健领域的技术进步正以越来越快的速度被引入,但它们在最终被采用和公众接受方面面临着生存风险:它们目前没有嵌入能够应对未来复杂网络威胁形势的先进网络安全机制。事实上,虽然安全多方计算、联邦学习和信任根等高级加密和安全技术正在逐步接近在现实世界中的部署,但它们在很大程度上尚未被医疗和保健领域采用。在这项工作中,我们认为,通过医疗保健和网络安全研究界之间更强的合作和更深入的相互了解,这种采用对医疗设备和传感器的成功和安全至关重要。特别是,我们讨论了传感器的情况,以及它们的安全性,以及它们收集的数据的隐私性。
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引用次数: 0
Session 1: Sensor systems for autonomous driving 第一场:自动驾驶传感器系统
Pub Date : 2023-06-08 DOI: 10.1109/iwasi58316.2023.10164437
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引用次数: 0
期刊
2023 9th International Workshop on Advances in Sensors and Interfaces (IWASI)
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