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40th IEEE International Electronics Manufacturing technology, IEMT 2024

作者： Lim, Jian Liang Wong, Qiu Yin Bin Mokhtar, Mohamad Syafiq Ramireddy, Jayanth Reddy Wong, Mun Seng Ng, Chong How Lee, Kim Chuan Moon, Bh Micron Technology Inc. Muar Malaysia Micron Technology Inc. Muar Malaysia Micron Technology Inc. Process Control Systems Hyderabad India Micron Technology Inc. Muar Malaysia Micron Technology Inc. Muar Malaysia Micron Technology Inc. Muar Malaysia Micron Technology Inc. Taichung City Taiwan

ISBN: (纸本)9798350388824

In dicing saw process, electrostatic charge is generated mostly at the spinner section due to frictional electrification owing to cleaning with deionized water, drying with dry air and separation electrification during workpiece separated from spinner table. The change phenomena of electrostatic charges held on workpiece throughout the triboelectrification motion is crucial yet without any inline monitor triggering system. Thus dicing saw machine spinner section was selected as primary feasibility study for real time electrostatic charge monitoring with the help of fault detection and classification (FDC). By communicating the electrostatic sensors with host system and FDC, several FDC window modelling able to setup for live data monitoring. Electrostatic charge trend study was conducted with different ionizer air flowrates and deionized water resistivity to validate the effectiveness of the inline monitoring system. With appropriate FDC triggering limit, this inline monitoring system is capable to detect any degraded or faulty ionizer, abnormal workpiece electrostatic charge, wrong ionizer settings and abnormal water resistivity while providing signal and data trend for electrostatic charges behavior. With this shift left approach and mechanism, electrostatic discharge (ESD) event can be detected early to minimize and reduce the losses and cost of scrap. © 2024 IEEE.

关键词： Deionized water

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Augmented Reality as a Handling Qualities Assessment Tool

Augmented Reality as a Handling Qualities Assessment Tool

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AIAA SciTech Forum and Exposition, 2024

作者： Chase Schulze, P. Klyde, David H. Wilhelm, Tyler Systems Technology Inc. HawthorneCA90250 United States The Boeing Company Stability and Control Engineer EverettWA98204 United States

ISBN: (数字)9781624107115

ISBN: (纸本)9781624107115

Handling qualities maneuvers have evolved from simple attitude/altitude/airspeed captures to complex multi-axis maneuvers. These maneuvers can occur over a relatively longer window of time and may leverage specially designed test courses with associated performance requirements. Simple attitude captures of two distant points, the horizon and a mountain peak for example, gave way to a heads-down display that can precisely and repeatedly provide a commanded signal for the pilot to follow with a computed performance metric at the conclusion of the maneuver. This consistency in testing permits a refined insight into the handling qualities of the vehicle, uniformity in the test conditions, and the ability to make inter-pilot comparisons. Advances in augmented reality visual systems, head tracking, and live-virtual environment compositing have opened new possibilities for handling qualities assessments. In this work, systems technology, inc, in partnership with The Boeing Company, implemented and evaluated the newest generation of System Technologies patented Fused Reality technology, supporting handling qualities assessments across three virtual environments: an air-to-air tracking scene, a precision landing runway scene, and an infinite runway scene. Simulation study and integration efforts are presented herein, flight test results will follow in a subsequent paper. © 2024 by systems technology, inc. and The Boeing Company.

关键词： Augmented reality

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Adaptive Extended State Observer-Based Tracking control for PMSM Drive systems With Uncertainties and Disturbances

Adaptive Extended State Observer-Based Tracking Control for ...

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2023 IEEE International Conference on Real-Time Computing and Robotics, RCAR 2023

作者： Zhang, Zhongjin Liu, Zhitai Li, Peng Cheng, Wei Lin, Weiyang Harbin Institute of Technology Research Institute of Intelligent Control and Systems Harbin150001 China Harbin Institute of Technology Shenzhen School of Mechanical Engineering and Automation Shenzhen518055 China Devol Advanced Automation Inc Shenzhen518101 China

ISBN: (纸本)9798350327182

With the aim of improving the robust tracking performance of permanent magnet synchronous motor (PMSM) drive systems, an indirect adaptive robust control strategy based on adaptive extended state observer (AESO) is developed in this paper. Firstly, the parameter estimation process is separated from the controller design, and the indirect adaptive law driven by the system input and output is adopted to guarantee the convergence and accuracy of parameter estimation. Secondly, an AESO is established to estimate the unmodeled characteristics and disturbances in the system, and the performance of disturbance estimation and compensation is improved by dynamically adjusting the observer gain. Finally, an adaptive tracking controller is synthesized using the backstepping method, and its stability is proven using Lyapunov analysis. Simulation results demonstrate the effective performance improvement of the synthesized controller for tracking control. © 2023 IEEE.

关键词： controllers

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The ChatGPT After: Building Knowledge Factories for Knowledge Workers with Knowledge Automation

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IEEE/CAA Journal of Automatica Sinica 2023年第11期10卷 2041-2044页

作者： Yutong Wang Xiao Wang Xingxia Wang Jing Yang Oliver Kwan Lingxi Li Fei-Yue Wang State Key Laboratory for Management and Control of Complex Systems Chinese Academy of SciencesBeijing 100190China School of Artificial Intelligence Anhui UniversityHefei 230039China Motion G Inc068898Singapore Department of Electrical and Computer Engineering Purdue School of Engineering and TechnologyIndiana University-Purdue University IndianapolisIndiana 46202-5132 USA IEEE

Briefing: This perspective introduces the concept and framework of knowledge factories with knowledge machines for knowledge workers to achieve knowledge automation for Industry 5.0 and intelligent *** The big hit of Chat GPT makes it imperative to contemplate the practical applications of big or foundation models [1]-[5]. However, as compared to conventional models, there is now an increasingly urgent need for foundation intelligence of foundation models for real-world industrial applications.

关键词： Automation template Chat GPT

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Learning Reduced-Order Linear Parameter-Varying Models of Nonlinear systems ⁎

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IFAC-PapersOnLine 2024年第15期58卷 265-270页

作者： Patrick J.W. Koelewijn Rajiv Singh Peter Seiler Roland Tóth Sioux Technologies B.V. Eindhoven The Netherlands Control Systems Group Eindhoven University of Technology Eindhoven The Netherlands The MathWorks Inc. Natick USA Department of Electrical Engineering and Computer Science University of Michigan Ann Arbor USA Systems and Control Laboratory HUN-REN Institute for Computer Science and Control Budapest Hungary

In this paper, we consider the learning of a Reduced-Order Linear Parameter-Varying Model (ROLPVM) of a nonlinear dynamical system based on data. This is achieved by a two-step procedure. In the first step, we learn a projection to a lower dimensional state-space. In step two, an LPV model is learned on the reduced-order state-space using a novel, efficient parameterization in terms of neural networks. The improved modeling accuracy of the method compared to an existing method is demonstrated by simulation examples.

关键词： Reduced-order modeling Neural Networks Linear Parameter-Varying Models

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Synchronization of Atomic Clock Ensemble for Time-Scale Generation: Steering Based on Observable Subspace Selection 63

Synchronization of Atomic Clock Ensemble for Time-Scale Gene...

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63rd IEEE Conference on Decision and control, CDC 2024

作者： Dey, Priyanka Kawaguchi, Takahiro Yano, Yuichiro Hanado, Yuko Kurata, Yosuke Ishizaki, Takayuki Tokyo Institute of Technology Department of Systems and Control Engineering Meguro Tokyo152-8552 Japan Gunma University Division of Electronics and Informatics Gunma Kiryu371-8510 Japan National Institute of Information and Communications Technology Koganei Tokyo184-0015 Japan Seiko Solutions Inc. 1-8 Nakase Mihama-ku Chiba-shi Chiba261-8507 Japan

ISBN: (纸本)9798350316339

In this paper, we develop a novel time synchronization algorithm for an ensemble of atomic clocks containing a mixture of second order and third order atomic clocks. To design the feedback control, we consider the Kalman filter to estimate the states of the observable subsystem derived from the observable canonical decomposition of the atomic clock ensemble. We prove that, under certain conditions, the time deviation of each clock from the ideal clock behaviour follows the dynamics of the first state of the unobservable subsystem, which is regarded as the synchronization destination of the clocks. In the algorithm, we can adjust the synchronization destination by choosing the basis of the observable subspace in a special manner for the observable canonical decomposition. An example is included to illustrate the efficacy of the algorithm. It has been revealed numerically that altering the control interval appropriately can improve the frequency stability of the clocks. © 2024 IEEE.

关键词： Mechanical clocks

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Schedule Your Edit: A Simple yet Effective Diffusion Noise Schedule for Image Editing 38

Schedule Your Edit: A Simple yet Effective Diffusion Noise S...

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38th Conference on Neural Information Processing systems, NeurIPS 2024

作者： Lin, Haonan Chen, Yan Wang, Jiahao An, Wenbin Wang, Mengmeng Tian, Feng Liu, Yong Dai, Guang Wang, Jingdong Wang, Qianying School of Comp. Science & Technology MOEKLINNS Lab Xi'an Jiaotong University China College of Comp. Science & Technology Zhejiang University of Technology China School of Auto. Science & Engineering MOEKLINNS Lab Xi'an Jiaotong University China Institute of Cyber-Systems and Control Zhejiang University China SGIT AI Lab State Grid Corporation of China China Baidu Inc. China Lenovo Research China

Text-guided diffusion models have significantly advanced image editing, enabling high-quality and diverse modifications driven by text prompts. However, effective editing requires inverting the source image into a latent space, a process often hindered by prediction errors inherent in DDIM inversion. These errors accumulate during the diffusion process, resulting in inferior content preservation and edit fidelity, especially with conditional inputs. We address these challenges by investigating the primary contributors to error accumulation in DDIM inversion and identify the singularity problem in traditional noise schedules as a key issue. To resolve this, we introduce the Logistic Schedule, a novel noise schedule designed to eliminate singularities, improve inversion stability, and provide a better noise space for image editing. This schedule reduces noise prediction errors, enabling more faithful editing that preserves the original content of the source image. Our approach requires no additional retraining and is compatible with various existing editing methods. Experiments across eight editing tasks demonstrate the Logistic Schedule's superior performance in content preservation and edit fidelity compared to traditional noise schedules, highlighting its adaptability and effectiveness. (Project page: https://***/SYE/). © 2024 Neural information processing systems foundation. All rights reserved.

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Event-Based Sampling Architecture and Optimization for Industrial Internet of Things

Event-Based Sampling Architecture and Optimization for Indus...

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IEEE/SEMI Conference and Workshop on Advanced Semiconductor Manufacturing

作者： Tejas Thosani Andres Prado Espinoza Stephanas Lynch Nick Krumme Chris Schoeb Aarathi Vadapalli Joaquin Avila Brian Silkey Process Control Systems Micron Technology Inc. Manassas USA Equipment Engineering Micron Technology Inc. Manassas USA Wets Equipment Engineering Micron Technology Inc. Manassas USA Fab Support Engineering Micron Technology Inc. Manassas USA CVD Equipment Engineering Micron Technology Inc. Manassas USA PVD Process Engineering Micron Technology Inc. Manassas USA PVD Equipment Engineering Micron Technology Inc. Manassas USA

ISBN: (数字)9798331531850

ISBN: (纸本)9798331531867

The proposed paper will present a standardized solution for Industrial IoT, to employ event-based sampling for detecting equipment faults and preventing product impact in large-scale manufacturing. This is important because IoT sensors can generate dense datasets with wide distributions, attributed to varying operating conditions in the fab; sensor measurements summarized without the appropriate context makes it difficult to correlate IoT data with fab processes. To improve our detection rate and minimize false alarms, it is critical to intelligently sample this data using contextual events before applying tighter control. We implemented a standardized solution for event-based sampling which is easily extensible to any Industrial IoT scenario, since it was designed and optimized using industry best practices and evaluated against real fab use-cases. It significantly reduced server CPU consumption and prevented message loss / connection timeouts with other manufacturing systems. Improving our signal-to-noise-ratio (SNR) based on context consequentially helped with tighter process-control, enhanced fab operations, and transformed our detection from reactive to predictive / preventive.

关键词： Event detection Sensor phenomena and characterization Semiconductor device manufacture Real-time systems Telemetry Optimization Intelligent sensors Standards Industrial Internet of Things Signal to noise ratio

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Feasibility Study on Real Time Electrostatic Charge Monitoring in Wafer Form Process with Potential Triboelectrification Motion at Dicing Saw

Feasibility Study on Real Time Electrostatic Charge Monitori...

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IEEE/CHMT(CPMT) International Electronics Manufacturing technology Symposium

作者： Jian Liang Lim Qiu Yin Wong Mohamad Syafiq Bin Mokhtar Jayanth Reddy Ramireddy Mun Seng Wong Chong How Ng Kim Chuan Lee Bh Moon Process Integration Engineering Micron Technology Inc. Muar Malaysia Equipment Engineering Micron Technology Inc. Muar Malaysia Process Control Systems Micron Technology Inc. Hyderabad India Process Engineering Micron Technology Inc. Muar Malaysia Assembly Engineering Micron Technology Inc. Muar Malaysia Assembly and Test Operations Micron Technology Inc. Muar Malaysia Package Development and Engineering Micron Technology Inc. Taichung City Taiwan

ISBN: (数字)9798350388824

ISBN: (纸本)9798350388831

关键词： Costs Voltage Conductivity Electrification Market research Electrostatic discharges Real-time systems Sensors Electrostatics Monitoring

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A Smart MPPT Algorithm with a Power Independent Tracking System

A Smart MPPT Algorithm with a Power Independent Tracking Sys...

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2022 IEEE International Conference on Electrical, Computer, and Energy Technologies, ICECET 2022

作者： Ibrahim, Haitham Hassan Elsaharty, Mohamed Atef Guerrero, Juan M. Walid Ghoneim, A.M. Arab Academy for Science Technology and Maritime Transport Electrical and Control Engineering Alexandria Egypt Konnexis Inc. STERIS Company Ontario Canada University of Oviedo Electrical Electronic Computers and Systems Engineering Gijon Spain

ISBN: (数字)9781665470872

ISBN: (纸本)9781665470872

Most of the Maximum Power Point Tracking Techniques (MPPT) used in Photovoltaic (PV) systems are based upon the determination of Maximum Power Point (MPP) through a series of perturbation of output power and observation of PV voltage and/or current. Generally, these methods track the MPP dynamically while the PV module is injecting power to the connected energy sink. This paper proposes an offline MPPT tracking method based on a system model identification approach. Through a consecutive short circuit and open circuit tests, the instantaneous state of the PV is determined from a lookup table. These states include the determined incident irradiance, temperature, maximum power and maximum power voltage. Moreover, a Smart PV module is proposed that receives a command signal and returns the determined states of the PV instantaneously. Furthermore, a suitable instant for performing such tests is proposed to minimize the test effect on the connected load as well as minimize the required energy buffer. The effectiveness of the proposed module has been validated through simulations' performance comparison of the proposed and similar MPPT techniques under the same atmospheric conditions. It also includes the practical results for the proposed technique. © 2022 IEEE.

关键词： Table lookup

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