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2022 Chinese Automation Congress, CAC 2022

作者： Chen, Shibo Yao, Canqi Miao, Haoyu Li, Zhicheng Yang, Zaiyue The Guangdong Provincial Key Laboratory of Human-Augmentation Rehabilitation Robotics in Universities Southern University of Science and Technology Shenzhen Key Laboratory of Biomimetic Robotics and Intelligent Systems Department of Mechanical and Energy Engineering Shenzhen518055 China Internet of Things Research Institute Shenzhen Polytechnic Shenzhen518055 China

ISBN: (纸本)9781665465335

Different from traditional vehicles, the routing problem of electric vehicles (EVs) is closely coupled with their charging. Hence, operating EV requires a joint optimization of both routing and charging. Moreover, the travel time and energy consumption uncertainties also bring challenges to the EV operation in practice. In this paper, we study the routing and charging problem of EVs under the chance constrained optimization framework, where uncertainties are tackled with probabilistic constraints. An iterative algorithm is proposed, which transforms the original challenging mixed-integer nonlinear program into the iteration of two linear programs. The finite convergence of this algorithm is also proved. Numerical results show that our proposed algorithm can achieve near-optimal solutions in rather short computation times. © 2022 IEEE.

关键词： Electric vehicles

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Recent advances on monolithic perovskite-organic tandem solar cells

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Interdisciplinary Materials 2024年第1期3卷 113-132页

作者： Guanshui Xie Huan Li Longbin Qiu Shenzhen Key Laboratory of Intelligent Robotics and Flexible Manufacturing Systems Department of Mechanical and Energy EngineeringSUSTech Energy Institute for Carbon NeutralitySouthern University of Science and TechnologyShenzhenChina

Perovskite-organic tandem solar cells(TSCs)have emerged as a groundbreaking technology in the realm of photovoltaics,showcasing remarkable enhancements in efficiency and significant potential for practical ***-organic TSCs also exhibit facile fabrication surpassing that of all-perovskite or all-organic TSCs,attributing to the advantageous utilization of orthogonal solvents enabling sequential solution process for each *** perovskite-organic TSCs capitalize on the complementary light absorption characteristics of perovskite and organic *** is a promising prospect of achieving further enhanced power conversion efficiencies by covering a broad range of the solar spectrum with optimized perovskite absorber,organic semiconductors as well as the interconnecting layer's optical and electrical *** review comprehensively analyzes the recent advancements in perovskite-organic TSCs,highlighting the synergistic effects of combining perovskite with a low open-circuit voltage deficit,organic materials with broader light absorption,and interconnecting layers with reduced optical and electrical ***,the underlying device architecture design,regulation strategies,and key challenges facing the high performance of the perovskite-organic TSCs are also discussed.

关键词： interconnecting layer narrow‐bandgap organic solar cells recombination layer tandem solar cells wide‐bandgap perovskite solar cells

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Development of a Vibration-driven Capsule Robot with Protruding Magnetic Bristles with Enhanced Adaptability in Wet and Dry Environments

Development of a Vibration-driven Capsule Robot with Protrud...

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2023 IEEE International Conference on robotics and biomimetics, ROBIO 2023

作者： Zhang, Yujie Wei, Tanyong He, Shujing Hong, Yuying Hu, Chengzhi Southern University of Science and Technology Shenzhen Key Laboratory of Biomimetic Robotics and Intelligent Systems Department of Mechanical and Energy Engineering Shenzhen518055 China Guangdong Prov. Key Laboratory of Human-Augmentation and Rehabilitation Robotics in Universities Southern University of Science and Technology Shenzhen518055 China

ISBN: (纸本)9798350325706

Colonoscopy is a widely used method for diagnosing bowel cancers, requiring coordinated efforts from medical professionals due to its invasive nature. In contrast, miniature capsule robots, measuring just a few centimeters, offer a less invasive diagnostic option by integrating multiple functions. However, current capsule robots face challenges with complex designs, limited mobility, size, and cost, which hinder their adoption and reduce gastrointestinal disorder screening rates. To address these issues, we introduce the vibration-driven capsule robot (VCR) with magnetic protruding bristle structures. Four simple components (shell structure, electronic components, permanent magnet, and magnetic soft bristles) are designed to improve the robot's mobility in dry and wet environments. The magnetic bristle structures are inspired by flexible organisms and enhance the robot's adaptability. The robot is propelled by centrifugal force from a vibration motor, allowing efficient movement along the intestinal tract while protecting the patient's lining. The fabrication process of the magnetic soft bristles has been refined to optimize material ratios and enhance the robot's performance. The vibration motor's output is analyzed using load cells to ensure efficiency. For precise path planning, an external permanent magnet (EPM) is applied to guide the capsule's direction. Experiments confirm the VCR's versatility, performing fluid linear and curved motions in different environments. These findings underscore the feasibility of the VCR as a potent tool for non-invasive, timely screening of gastrointestinal disorders. © 2023 IEEE.

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Real-time attitude tracking of capsule endoscope based on MEMS IMU and error analysis

Real-time attitude tracking of capsule endoscope based on ME...

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2021 IEEE International Conference on Real-Time Computing and robotics, RCAR 2021

作者： Huang, Zhuokang Hu, Chengzhi Southern University of Science and Technology Shenzhen Key Laboratory of Biomimetic Robotics and Intelligent Systems Department of Mechanical and Energy Engineering Shenzhen518055 China Guangdong Prov. Key Laboratory of Human-Augmentation and Rehabilitation Robotics in Universities Southern University of Science and Technology Shenzhen518055 China

ISBN: (纸本)9781665436786

Wireless capsule endoscope (WCE) has been increasingly exploited for noninvasive screening and diagnosis of the entire esophagus, stomach, colon, and small intestine. WCE allows direct visualization of gastrointestinal tracts and causes less pain to the patients. Automated navigation of WCE during the medical procedure will significantly reduce the testing time and improve the usage and efficiency of medical infrastructure. Attitude tracking of WCE is of great importance for real-time tracking of the position and orientation of capsule endoscope. In this paper, a method for calculating the attitude of WCE based on MEMS IMU (Inertial Measurement Units) is implemented. The accuracy of attitude tracking is measured by a series of experiments. By reorientating the capsule endoscope with a high precision 3D rotary stage, the error from the proposed algorism is determined. The experimental results show that the attitude of WCE based on MEMS IMU can meet the diagnostic requirements in about six minutes, but the performance cannot be maintained due to error accumulation. Additionally, we propose a method to improve the attitude accuracy by reciprocating the rotational motion during the inspection process. © 2021 IEEE.

关键词： Endoscopy

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Development of Autonomous Underwater Robot for Navigation through Narrow Passages

Development of Autonomous Underwater Robot for Navigation th...

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2022 IEEE International Conference on robotics and biomimetics, ROBIO 2022

作者： Luo, Yang Zhu, Xiyu Zhou, Yuchuan Li, You Xu, Zhihui Wei, Yan Ke, Wende Hu, Chengzhi Southern University of Science and Technology Shenzhen Key Laboratory of Biomimetic Robotics and Intelligent Systems Department of Mechanical and Energy Engineering Shenzhen518055 China Southern University of Science and Technology Guangdong Prov. Key Laboratory of Human-Augmentation and Rehabilitation Robotics in Universities Shenzhen518055 China

ISBN: (纸本)9781665481090

Autonomous Underwater Vehicle (AUV), also called autonomous underwater robot, refers to an underwater robot that can independently complete tasks such as autonomous navigation, autonomous obstacle avoidance, and autonomous operation without human intervention. In some complex and narrow detection scenarios, autonomous underwater robots need to have a small volume, a high level of autonomy, and good maneuverability. Here, we design a miniature autonomous underwater robot driven by propellers, which integrates a high-performance processor, camera module, high-precision inertial measurement unit (IMU), etc. The attitude and position information of the robot is obtained in real-time through the IMU, and the processor controls the motion state of the six propellers, achieving the motion in six degrees of freedom in space. The highly integrated design ensures the maximum length of the whole machine within 15 cm, the 3-way PID controller design ensures an efficient and stable attitude control, and the high-performance processor provides more possibilities for target tracking and recognition. The developed AUV in this study shows superior navigation performance through narrow passages. © 2022 IEEE.

关键词： Autonomous underwater vehicles

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Electrochemical Monitoring of Intracellular Reactive Oxygen Species Based on Automated Nanoprobe Platform

Electrochemical Monitoring of Intracellular Reactive Oxygen ...

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2023 Annual IEEE International Conference on Manipulation, Manufacturing and Measurement on the Nanoscale, 3M-NANO 2023

作者： Ma, Yanmei Hu, Weikang Ruan, Muyang Zhan, Zhen Zhang, Yi Hu, Chengzhi Southern University of Science and Technology Shenzhen Key Laboratory of Biomimetic Robotics and Intelligent Systems Department of Mechanical and Energy Engineering Shenzhen China City University of HongKong Department of Biomedical Engineering Hong Kong

ISBN: (纸本)9798350344486

The electrochemical detection of endogenous molecules from a single cell is a crucial technique for understanding fundamental cellular processes at the subcellular level and uncovering cellular heterogeneity. However, high throughput intracellular detection has posed significant challenges. This paper proposes a simple method for fabricating a nanoprobe for the electrochemical monitoring of intracellular reactive oxygen species (ROS), which are important signaling molecules that play a key role in a wide range of cellular processes, including apoptosis, proliferation, and differentiation. Combined with the automated nanoprobe platform, the study successfully achieved minimally invasive and efficient intracellular ROS detection in living cells. Moreover, the results reveal that the average ROS concentration in the cytoplasm and nucleus is uneven, which has important implications for the understanding of cellular redox signaling. © 2023 IEEE.

关键词： Nanoprobes

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Learning Rat-Like Behavior for a Small-Scale biomimetic Robot

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Engineering 2022年第10期17卷 232-243页

作者： Zihang Gao Guanglu Jia Hongzhao Xie Qiang Huang Toshio Fukuda Qing Shi Key Laboratory of Biomimetic Robots and Systems(Beijing Institute of Technology) Ministry of EducationBeijing 100081China Intelligent Robotics Institute School of Mechatronical EngineeringBeijing Institute of TechnologyBeijing 100081China Beijing Advanced Innovation Center for Intelligent Robots and Systems Beijing Institute of TechnologyBeijing 100081China

Existing biomimetic robots can perform some basic rat-like movement primitives(MPs)and simple behavior with stiff combinations of these *** mimic typical rat behavior with high similarity,we propose parameterizing the behavior using a probabilistic model and movement ***,an analysis of fifteen 10 min video sequences revealed that an actual rat has six typical behaviors in the open field,and each kind of behavior contains different bio-inspired combinations of eight *** used the softmax classifier to obtain the behavior-movement hierarchical probability ***,we specified the MPs using movement parameters that are static and *** obtained the predominant values of the static and dynamic movement parameters using hierarchical clustering and fuzzy C-means clustering,*** predominant parameters were used for fitting the rat spinal joint trajectory using a second-order Fourier series,and the joint trajectory was generalized using a back propagation neural network with two hidden ***,the hierarchical probability model and the generalized joint trajectory were mapped to the robot as control policy and commands,*** implemented the six typical behaviors on the robot,and the results show high similarity when compared with the behaviors of actual rats.

关键词： biomimetic Bio-inspired robot Neural network learning system Behavior generation

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Kinematics Analysis of Leg Configuration of An Ostrich Bionic Biped Robot 2021

Kinematics Analysis of Leg Configuration of An Ostrich Bioni...

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2021 International Conference on robotics and Control Engineering, RobCE 2021

作者： Che, Junjie Pan, Yang Yan, Wei Yu, Jiexian Shenzhen Key Laboratory of Biomimetic Robotics and Intelligent Systems Department of Mechanical and Energy Engineering Southern University of Science and Technology Shenzhen518055 China Guangdong Prov. Key Laboratory of Human-Augmentation and Rehabilitation Robotics in Universities Southern University of Science and Technology Shenzhen518055 China Southern University of Science and Technology Shenzhen China

ISBN: (纸本)9781450389471

Bio-inspired biped robots require high level dynamic control when walking or jumping. Compared with 4 or 6 legged robots, mechanisms of biped robots are more complicated and have more DOFs, which means both kinematical and dynamic models are more complex. In this paper, we formulated the kinematic models of ostrich bionic biped robot, which apply serial-parallel hybrid mechanism with 13 joints (5 active, 8 passive) each leg. The mechanism topology patterns are analyzed during walking, jumping and standing. We defined the feet as 5-DOFs end-effectors and both forward and inverse kinematic models are formulated using screw theory. An ordinary walking gait based on inverted pendulum was used to test the models and the results show that the robot can walk very well in simulation environments. The research of this paper has obvious application significance for the design, iteration and control of ostrich bionic biped robot. © 2021 ACM.

关键词： Bionics

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An active medical supporting manipulator and experiments for vascular interventional robot

An active medical supporting manipulator and experiments for...

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2012 9th IEEE International Conference on Mechatronics and Automation, ICMA 2012

作者： Kong, Xiangzhan Duan, Xingguang Zhao, Honghua Wang, Yonggui Intelligent Robotics Institute Key Laboratory of Biomimetic Robots and Systems Beijing Institute of Technology No.5 Nandajie Zhongguancun Haidian Beijing China

ISBN: (纸本)9781467312776

In this paper, a new medical robot for vascular interventional surgery (VIS) has been proposed, which can be used for assisting surgeons in the vascular interventional operation and training unskilled surgeons to do the operation. The robot includes a 5-DOF Active Supporting Medical Manipulator (ASMM) and a 2-DOF catheter operating system. Considering its application specially, safety design of the robot are also mentioned and quintic polynomial interpolation is adopted in trajectory planning for smooth motion of manipulator. Based on structure analysis and trajectory planning, experiment showed that the active supporting manipulator run smoothly and positioned the catheter operating system accurately, which is essential to the safety of medical robot. The development of this medical robot system contributes to the promotion and popularization of the VIS in clinics. © 2012 IEEE.

关键词： Manipulators

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Magnetically Driven Capsule Robot for Multi-Targeted Biopsy and Drug Delivery in Stomach

Magnetically Driven Capsule Robot for Multi-Targeted Biopsy ...

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2023 IEEE International Conference on robotics and biomimetics, ROBIO 2023

作者： Xu, Zhihui Wei, Tanyong Li, Zongze Huang, Ding Liu, Shoubin Hu, Chengzhi Southern University of Science and Technology Shenzhen Key Laboratory of Biomimetic Robotics and Intelligent Systems Department of Mechanical and Energy Engineering Shenzhen China Southern University of Science and Technology Guangdong Prov. Key Laboratory of Human-Augmentation and Rehabilitation Robotics in Universities Shenzhen China Harbin Institute of Technology School of Mechanical Engineering and Automation Shenzhen China

ISBN: (纸本)9798350325706

Capsule robots have emerged as a promising solution for non-invasive and painless screening of gastrointestinal diseases, offering significant advantages in patient comfort and reduced risk of cross-infection. Despite these advantages, existing capsule robots fall short in their ability to conduct targeted biopsies and deliver drugs to specific gastric lesions. To address this limitation, this paper presents the design and development of a magnetically driven capsule robot that leverages visual feedback to achieve accurate targeting for biopsy and drug administration in gastric lesions. Internal magnets, responsive to an external gradient magnetic field, enable the controlled propulsion of the capsule robot. A kinetic model of the capsule robot is analyzed, allowing it to recognize lesion contours through the endoscopic camera. This recognition determines the rotation angle or small adjustments required for the capsule robot's attitude and positioning. Experimental results in a simplified in vitro stomach model showcase the capability of the capsule robot to achieve targeted biopsy and drug delivery. These results highlight the potential feasibility of the proposed capsule robot in enhancing diagnostic accuracy and treatment efficacy with broader applications within the realm of gastric healthcare. © 2023 IEEE.

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