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4th International Academic Exchange Conference on science and technology Innovation, IAECST 2022

作者： Song, Qian Zhang, Li Tian, Ze Xi'an Polytechnic University School of Electronic Information Shaanxi xi'an710600 China Key Laboratory of Aviation Science and Technology on Integrated Circuit and Micro-System Design Shaanxi xi'an710068 China

ISBN: (纸本)9798350320008

With the rapid development of avionics display field, the traditional graphics software development method can no longer meet the needs of high security and efficiency. This paper studies a development method based on SCADE Display, a high security graphics application development tool, analyses the principle and characteristics of SCADE Display, applies SCADE Display to design airborne display scene models, and tests, analyses and optimizes the process on a home-made test platform. Finally, the experimental results show that the optimized solution can effectively improve the development efficiency and graphics frame rate, and also verify the adaptability and functionality of the home-made platform. © 2022 IEEE.

关键词： Software design

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Survey of Shared Register File design for Unified Shader Array in GPUs 9

Survey of Shared Register File design for Unified Shader Arr...

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9th IEEE International Conference on Cyber Security and Cloud Computing and 8th IEEE International Conference on Edge Computing and Scalable Cloud, CSCloud-EdgeCom 2022

作者： Ze, Tian Jun, Zhang Xianglong, Ren Feihu, Fan Yue, Chen Xi'an Xiang Teng Micro-Electronic Technology Co. Ltd Xi'an710068 China Key Laboratory of Aviation Science and Technology on Integrated Circuit and Micro-System Desigen Xi'an710068 China

ISBN: (数字)9781665480666

ISBN: (纸本)9781665480666

Unified Shader Array (USA) is the computing core of the Unified Shader Array Graphic Processing Unit (GPU), and the shader cores is the basic shader Unit of the Unified Shader Array. In order to support the large-scale thread-level parallelism of GPU, a large number of streaming processors composed of shader cores are set in GPU. The streaming processors (SP) can enable GPU to implement thread-level parallelism in the way of Single Instruction Multiple Data (SIMD) or Single Instruction Multiple Threads (SIMT). At the same time, in order to reduce the cost caused by context switching, GPU deployments a large scale of register file resources at the bottom level for the use of the streaming processor. So the management and use of register file is of great significance to the performance of GPU. The unique register file for each shader cores in the traditional GPU simplifies the register management hardware, but at the cost of insufficient register utilization. It will cause the disadvantage of limited size of shader cores. This paper introduces the current research status of various technologies at home and abroad from the aspects of register file sharing, high resource utilization and low power consumption. © 2022 IEEE.

关键词： Graphics processing unit

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High-Speed Transcendental Function Operation Unit design 9

High-Speed Transcendental Function Operation Unit Design

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9th IEEE International Conference on Cyber Security and Cloud Computing and 8th IEEE International Conference on Edge Computing and Scalable Cloud, CSCloud-EdgeCom 2022

作者： Ze, Tian Feihu, Fan Jun, Zhang Xianglong, Ren Yang, Wei Xi'an XiangTeng Micro-Electronic Technology Co. Ltd Xi'an710068 China Key Laboratory of Aviation Science and Technology on Integrated Circuit and Micro-System Desigen Xi'an710068 China Northeastern Polytechnic University School of Computer Science Xi'an China

ISBN: (数字)9781665480666

ISBN: (纸本)9781665480666

With the rapid popularization and rapid development of embedded devices such as mobile terminals, people have become increasingly demanding for high-resolution picture rendering effects and fast computing capabilities of various processors. The enhancement of these capabilities of the processor depends on the computer's floating-point computing capabilities, which makes people to the GPU's rendering quality and speed, mobile devices, digital signal processing (DSP), and other computing units' floating-point computing capabilities Higher requirements have been raised [1]. The transcendental function arithmetic unit based on single-precision floating-point numbers is a very important component in these devices. For example, the perspective division, vector normalization, and coordinate transformation required in the GPU all require transcendental function operations [2] (For example, find the inverse, square root, trigonometric function, exponent, logarithm, etc.). In addition to the algebraic operations implemented in the field of mathematics, it is difficult to directly use a computer to calculate some complex functions. It can only complete complex functions through a limited number of simple operations, but for transcendental functions, in other words, the relationship between their input variables and output variables cannot be expressed by a finite number of basic operations such as addition, subtraction, multiplication, division, and power. Therefore, in a computer, the operation of a transcendental function cannot be directly implemented using a limited number of basic function operation units. A special operation unit is required to complete the operation of the transcendental function. © 2022 IEEE.

关键词： Polynomial approximation

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design of Shared Register File of GPU Unified Shader Array 9

Design of Shared Register File of GPU Unified Shader Array

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9th IEEE International Conference on Cyber Security and Cloud Computing and 8th IEEE International Conference on Edge Computing and Scalable Cloud, CSCloud-EdgeCom 2022

作者： Ze, Tian Xianglong, Ren Jun, Zhang Feihu, Fan Yue, Chen Xi'an XiangTeng Micro-Electronic Technology Co. Ltd Xi'an710068 China Key Laboratory of Aviation Science and Technology on Integrated Circuit and Micro-System Desigen Xi'an710068 China Northeastern Polytechnic University School of Computer Science Xi'an China

ISBN: (数字)9781665480666

ISBN: (纸本)9781665480666

Unified Shader Array is the computation core of the Unified Shader Array GPU, and the shader cores are the basic shader unit. In order to support the large-scale and thread-level parallelism of GPU, a large number of streaming processors composed of shader cores are set in GPU. The streaming processors can enable GPU to implement thread-level parallelism in the way of SIMD or SIMT. At the same time, GPU deploys large-scale register files for the streaming processor to reduce the cost of context switching, so the management of register files is of great significance to GPU performance. In the traditional GPU, each shader core has a unique register file, which simplifies the hardware management of the register. However, it will cause the limitation of the shader core's scale and insufficient register utilization. Based on the domestic special GPU, this paper analyzes the traditional GPU register scheduling strategy and carries out the design of the unified shader array shared register file based on pure hardware to reduce the cost of shader cores. This paper introduces its implementation in detail, including dynamic allocation and collection management of register files, allocation of multiple registers for thread bundles, detecting and handling of bank conflicts, and related register allocation and release collection instructions. Finally, we complete the RTL code implementation and analyze the experimental results. The results show that the design of this paper has reached the expected design goals in terms of simulation and logic synthesis. © 2022 IEEE.

关键词： Graphics processing unit

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Unified Rendering Array Driver Runtime Optimization for Graphic Application 6

Unified Rendering Array Driver Runtime Optimization for Grap...

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6th Annual 2018 International Conference on Geo-Spatial Knowledge and Intelligence, GSKI 2018

作者： Ma, Chengcheng Tian, Ze Liu, Honghong Nie, Zhao China Aeronautical Computing Research Institute China Aviation Key Laboratory of Science and Technology on Integrated Circuit and Micro-System Design P.O. Box 710068 China Xiangteng Microelectronics Technology Co. LTD P.O. Box 710068 China

As the core of GPU processing, the performance of Unified rendering array is directly affected by the shader driver. On the basis of research the structure of Unified rendering array processing, this paper proposes a runtime Unified rendering array driver optimization method for graphical application, can according to different graphics application scenario runtime to generate optimized Unified rendering array driver, testing on graphics processors FPGA verification environment, driven by the runtime optimization compared with the traditional full function driver, performance increased by 55% - 270%. © Published under licence by IOP Publishing Ltd.

关键词： Array processing

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design of low-weight, small-size and high-efficiency equalization circuits based on switched-capacitors 4

Design of low-weight, small-size and high-efficiency equaliz...

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2022 4th International Conference on Electronic Engineering and Informatics, EEI 2022

作者： Ding, Yanhong Zhao, Xin Li, Kun Liu, Qing Shi, Gengxin School of Integrated Circuit Science and Engineering Tianjin University of Technology Tianjin China Tianjin Key Laboratory for Advanced Mechatronic System Design and Intelligent Control Tianjin University of Technology Tianjin China China Electronics Technology Group Corporation Tianjin China

ISBN: (纸本)9783800759231

An any cell to any cell equalization circuit, which is based on switched capacitors and energy bus, is proposed in this paper. In this equalization topology, any high voltage cell can directly transfer the power to any low voltage cell through energy bus. With the increasing miniaturisation and integration of circuit boards, the topology proposed in this paper reduces the size of the circuit by varying the capacitance and frequency in order to further reduce the area and weight of the circuit. At the same time compared with the equalization circuit using transformers or inductance devices, this circuit has the characteristics of low cost, low-weight, small-size, easy integration and simple control scheme and it is suitable for applictions such as aerospace and unmanned aerial vehicles. The feasibility of the circuit topology is verified by formula demonstration and simulation results. © VDE VERLAG GMBH ∙ Berlin ∙ Offenbach.

关键词： Cells

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Development And Optimization of Airborne Display Scene Based on SCADE

Development And Optimization of Airborne Display Scene Based...

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science and technology Innovation (IAECST), International Academic Exchange Conference on

作者： Qian Song Li Zhang Ze Tian School of Electronic Information Xi'an Polytechnic University Xi' an Shaanxi China School of Electronic Information Xi' an Polytechnic University Xi' an Shaanxi China Key Laboratory of Aviation Science and Technology on Integrated Circuit and Micro-System Design Xi' an Shaanxi China

关键词： Graphics Adaptation models Technological innovation Analytical models Codes Atmospheric modeling Optimization methods

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A Novel microwave Humidity Sensor Based on a Complementary Interdigital Capacitor Resonator

SSRN

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SSRN 2024年

作者： Wang, Litian Chen, Jie Li, Dan Qian, Lirong Xiong, Yang Miao, Lin Zhang, Rong Li, Cuiping Tianjin Key Laboratory of Film Electronic and Communication Devices School of Integrated Circuit Science and Engineering Tianjin University of Technology Tianjin300384 China School of Integrated Circuit Science and Engineering Tianjin University of Technology Tianjin300384 China Tianjin Key Laboratory for Advanced Mechatronic System Design and Intelligent Control School of Mechanical Engineering Tianjin University of Technology Tianjin300384 China National Demonstration Resonant for Experimental Mechanical and Electrical Engineering Education Tianjin University of Technology China

This study presents a novel microwave humidity sensor that utilizes a complementary interdigital capacitor resonator (CIDCR), an advanced design derived from the traditional complementary split ring resonator (CSRR) structure. The CIDCR design enhances the sensor's performance by concentrating the electric field in a more compact region, leading to improved sensitivity and miniaturization. The sensor is coated with a composite film of chitosan (CS) and polyacrylamide-glycerol (PAMG), combining the high moisture sensitivity of PAMG with the stability of CS. The CIDCR-based sensor demonstrates superior performance, including high sensitivity, a broad detection range, rapid response/recovery times, and excellent long-term stability. Density functional theory (DFT) calculations further elucidate the moisture-sensitive mechanisms at the molecular level, highlighting the role of hydrogen bonding in the composite film. Application tests confirm the sensor's potential for use in respiratory monitoring, non-contact sensing, and health monitoring, showcasing the advantages of the CIDCR structure in achieving enhanced humidity sensing capabilities. © 2024, The Authors. All rights reserved.

关键词： Humidity sensors

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Non-Stoichiometric Protic Ionic Liquids for Efficient Carbon Dioxide Capture and Subsequent Conversion Under Mild Conditions

SSRN

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SSRN 2024年

作者： Wang, Litian Chen, Jie Wang, Shuai Zhou, Tongyao Li, Dan Li, Cuiping Qian, Lirong Xiong, Yang Miao, Lin Xie, Zhiyong Tianjin Key Laboratory of Film Electronic and Communication Devices School of Integrated Circuit Science and Engineering Tianjin University of Technology Tianjin300384 China School of Integrated Circuit Science and Engineering Tianjin University of Technology Tianjin300384 China Tianjin Key Laboratory for Advanced Mechatronic System Design and Intelligent Control School of Mechanical Engineering Tianjin University of Technology Tianjin300384 China China Tianjin Bohua Yongli Chemical Industry CO. Ltd Tianjin30045 China

Protic ionic liquids (PILs) have emerged as innovative solvents with significant potential for CO2 capture and transformation, presenting a sustainable alternative to conventional methods which often involve energy-intensive processes or environmentally detrimental chemicals. Herein, a novel strategy for CO2 capture and conversion at mild conditions using non-stoichiometric protic ionic liquids (NPILs) was demonstrated for the first time. These NPILs, employed as sorbents, solvents, and catalysts, were composed of imidazole (Im) and 1,8-diazabicyclo [5.4.0] undec-7-ene (DBU) in various ratios. Correlations between the mole ratio of DBU/Im and physicochemical properties such as viscosity, conductivity, thermal stability, and the distribution of neutral and ionic species were systematically investigated. Effects of the absorption temperature and CO2 partial pressure on the absorption capacity were also studied. Different absorption mechanisms, including carbonate and carbamate pathways, were analyzed using FT-IR and NMR spectroscopy. Moreover, the fixed CO2 could be catalytically converted to quinazoline-2,4(1H,3H)-diones under exceptionally mild reaction conditions (1atm, 50 °C, metal-free process). A plausible reaction mechanism involving simultaneous CO2 activation and substrate activation for the transformation of CO2 into quinazoline-2,4(1H,3H)-diones was verified through NMR spectra. It is believed that the new insights into the CO2 mechanism will facilitate the rationaldesign of functional ionic liquids for CO2 capture, utilization, and storage in the future. © 2024, The Authors. All rights reserved.

关键词： Carbon dioxide

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An Adaptive Bionic Sensor: Enhancing Ankle Joint Tracking with High Sensitivity and Superior Cushioning Performance

SSRN

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SSRN 2024年

作者： Jin, Jianqiao Zhang, Chen Zhao, Jianyuan Yu, Minghan Lei, Ming Jin, Chun Yin, Rui Zhao, Weiwei Sauvage Laboratory for Smart Materials The School of Integrated Circuit Harbin Institute of Technology Shenzhen518055 China Shenzhen Key Laboratory of Flexible Printed Electronics Technology Harbin Institute of Technology Shenzhen518055 China State Key Laboratory of Advanced Welding & Joining Harbin Institute of Technology Harbin150001 China Human-Computer Interaction Design Lab School of System Design and Intelligent Manufacturing Southern University of Science and Technology Shenzhen518055 China

Flexible sensors are renowned for their rapid responsiveness, high flexibility, and outstanding mechanical properties, making them ideal for applications in wearable devices, sports and health monitoring, and human-machine interfaces. To enhance the sensing performance of these flexible sensors, researchers have drawn inspiration from nature, creating various bionic microstructures. However, these structures often manifest in the macroscopic form of thin films, which do little to improve impact resistance and joint protection. In response, this work achieves a highly sensitive and impact-resistant pressure sensor by integrating bionic principles at both micro and macro levels. Specifically, at the micro level, a muscle-like hydrogel system consisting of MXene nanosheets incorporated into the double network of polyvinyl alcohol and sodium alginate matrix is selected. At the macro level, the bionic prototypes of mimosa leaves and durian spikes with good energy absorption structure, together with octopus’ sucker with good adsorption capacity are selected, and the synergistic construction of the three structures is realized through 3D printing methods. The obtained sensor has an appropriate response range, sensitivity and stability. More importantly, the displacement deformation of the hydrogel can be reduced by 91.22%, while its adhesion strength can be increased by 57.5% compared to the unstructured hydrogel. As a proof-of-concept, the proposed bionic flexible sensor can be used to monitor the motion status of the human ankle joint in real-time, thereby assisting users in making real-time judgments on gait health. © 2024, The Authors. All rights reserved.

关键词： Sodium alginate

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