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检索条件"机构=Mechatronics and Controls"

共 569 条记录，以下是41-50 订阅

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Multiple Resonant Load Characteristics and Control Strategy of Electro-Hydraulic Actuator for Launch Vehicles 9

Multiple Resonant Load Characteristics and Control Strategy ...

引用

9th International Conference on Fluid Power and mechatronics, FPM 2023

作者： Chen, Keqin Xiao, Xue Zhao, Yingxin Huang, Mingming Beijing Institute of Precision Mechatronics and Controls Laboratory of Aerospace Servo Actuation and Transmission Beijing China

ISBN: (纸本)9798350304947

The China's new generation of launch vehicles adopt high thrust liquid oxygen-kerosene engines, aiming at its load characteristics of heavy inertia, low structural natural frequency and multiple resonance frequency, a high-order spring-mass physical model and a normalized control model of an electro-hydraulic actuator were developed. A combined control strategy based on the whole interested frequency range was proposed, including the piecewise feed-forward, the nonlinear PID and the multiple notch filter. The parameters of the normalized control model were identified by the frequency scanning tests of electro-hydraulic actuators frequency and optimized based on Particle Swarm Optimization algorithm. The approach has been demonstrated by simulation analysis and trial experiment, the dynamic performances met all the amplitude and phase requirements at the selected frequencies of the electro-hydraulic actuators for launch vehicle. The result shows that appropriate high-order normalized control model and combined control strategy are enabling contributors to obtain satisfactory high dynamic performance. © 2023 IEEE.

关键词： Launch vehicles

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Intelligent Power Management System for Vehicle

Intelligent Power Management System for Vehicle

引用

2023 IEEE International Conference on Power Science and Technology, ICPST 2023

作者： Xu, Xiuhua Zhao, Xu Wang, Kaichun Zhang, Yiqi Yue, Cairui Beijing Institute of Precision Mechatronics and Controls Laboratory of Aerospace Servo Actuation and Transmission Beijing China

ISBN: (纸本)9798350311358

Integrated power system of vehicle integrates the traditionally independent propulsion system and power system in the form of electric energy. This paper presents a reliable and stable power management system. This system mainly provides energy for electrical equipment, and is responsible for the real-time control, fault diagnosis and protection of each subsystem equipment. It realizes the functions of multi-channel independent high and low voltage transformation isolation power supply, modular design of power distribution, residual power supply of key equipment, etc. The principal prototype and system test show that the intelligent power management system operation parameters and status in real time. Power system supply and outage relocation, providing stable and continuous high-quality energy for the propulsion load and other loads. © 2023 IEEE.

关键词： Fault tolerance

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High-Performance Continuous Control Set-Model Predictive Control for Three-Phase Two-Level Power Converters 26

High-Performance Continuous Control Set-Model Predictive Con...

引用

26th International Conference on Electrical Machines and Systems, ICEMS 2023

作者： Lin, Hao Zhao, Yufei Zhang, Jing Qi, Chong Zhao, Hui Beijing Institute of Precision Mechatronics and Controls Laboratory of Aerospace Servo Actuation and Transmission Beijing China

ISBN: (纸本)9798350317589

Three-phase two-level power converter has become one of the most commonly used converters in industrial applications due to its high efficiency, bidirectional power flow and simple structure. In this paper, a simple and efficient high-performance continuous control set-model predictive control strategy is proposed for the three-phase two-level converter, which improves the quality of phase currents with suppressed power oscillation, disturbance rejection ability and dynamic performance. Through the simulation comparison with different strategies in different conditions, the feasibility and superiority of the proposed strategy are validated. © 2023 IEEE.

关键词： Model predictive control

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Cooling Optimization and Analysis of Air-cooled Axial Flux Permanent Magnet Motors Based on Direct Heat Dissipation with Auxiliary Heat Pipes

Cooling Optimization and Analysis of Air-cooled Axial Flux P...

引用

2024 IEEE Transportation Electrification Conference and Expo, Asia-Pacific, ITEC Asia-Pacific 2024

作者： Gu, Yunshuo Li, Xiaobei Geng, Weiwei Zhang, Yuqing Nanjing University Of Science And Technology Department Of Electrical Engineering Nanjing China Beijing Institute Of Precision Mechatronics And Controls Beijing China

ISBN: (纸本)9798331529277

The propeller electric drive system puts forward strict requirements on the volume limit and torque density of the drive motor, and the small installation volume and high power density of the drive motor will cause the heat can not be effectively dissipated during operation. Therefore, this paper proposes an air-cooled axial flux permanent magnet (AFPM) motor based on direct heat dissipation with auxiliary heat pipes, in an attempt to provide an efficient cooling method in the windings of single-stator dual-rotors AFPM motors with flat stator structure. The evaporation end of the heat pipe with high thermal conductivity is inserted into the stator slot to provide an auxiliary cooling path for the winding and the stator core. The condensation end of the heat pipe is connected to an aluminum radiator to increase the area of convective heat transfer. Firstly, the electromagnetic topology of AFPM motor is introduced, and the electromagnetic properties of different stator core materials are compared. Secondly, based on the computational fluid dynamics (CFD) model, the influence of heat pipe thermal conductivity and radiator size on temperature rise is studied and analyzed. Finally, a 35 kW, 1200 r/min single-stator dual-rotors surface mounted permanent magnet motor is manufactured and tested. The temperature rise of the prototype under rated working conditions is tested to verify the effectiveness of the proposed cooling system, which provides an efficient and reliable cooling solution for winding heating caused by electromagnetic loss under high torque density output of AFPM motor. © 2024 IEEE.

关键词： Stators

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Impact of Dead Time in Inverter Switching on Torque Ripple in PMSM Drives

Impact of Dead Time in Inverter Switching on Torque Ripple i...

引用

2025 IEEE Texas Power and Energy Conference, TPEC 2025

作者： Joseph, Jyothis Raja, Ramakrishnan Sebastian, Tomy Krishnamoorthy, Harish S Motor Controls HL Mechatronics Bay CityMI United States Univeristy of Houston Electrical Engineering HoustonTX United States

ISBN: (纸本)9798331541125

In electrical propulsion applications, precise control of torque produced by Permanent Magnet Synchronous Motors (PMSM) is critical for system performance and reliability. Two widely used methods for torque control are current mode control and voltage mode control. Current mode control utilizes a closed-loop current regulation strategy to generate the required duty cycle for torque control. In contrast, voltage mode control directly calculates the voltage needed for the desired torque based on motor parameters, offering a viable alternative in scenarios where current sensors fail. However, voltage mode control is susceptible to higher torque ripple, influenced by factors such as dead time in the switching cycle. This project investigates the impact of dead time on torque ripple during voltage mode control and proposes methods to mitigate it through optimized dead time tuning. The findings aim to enhance the performance and reliability of PMSM drive systems in critical applications. © 2025 IEEE.

关键词： Electric propulsion

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Calibration of the initial position angle by back EMF zero crossing method based on da chip

Calibration of the initial position angle by back EMF zero c...

引用

2022 International Conference on Computer Engineering and Artificial Intelligence, ICCEAI 2022

作者： Lin, Qiangqiang Jiang, Tao Zhang, Dongge Yue, Zongshuai Li, Yu Beijing Institute of Precise Mechatronics and Controls Beijing China

ISBN: (数字)9781665468039

ISBN: (纸本)9781665468039

To obtain the accurate rotor position is the key to vector control of permanent magnet synchronous motor in relation to whether motor rotation and the rotation of the motor efficiency, The initial position angle can be observed directly by the zero crossing method of back EMF, the absolute position sensor gets accurately position angle of the rotor of the rotary transformer. and reuse Y-connected three resistance to obtain the back EMF signal of the motor, the oscilloscope to observe the position difference between the time when the rotor position for the decoding circuit is 0° and A phase back EMF over the zero, which can get permanent magnet synchronous motor rotor initial position. In the permanent magnet synchronous motor drive control system, the experimental verification and application of the method is verified, which proves that the method is, accurate and intuitive, simple programming, Reliable engineering application. © 2022 IEEE.

关键词： Permanent magnets

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Design of MPM Based Information Structures of PLM System for Aerospace Mechatronic Servo System 5

Design of MPM Based Information Structures of PLM System for...

引用

5th World Conference on Mechanical Engineering and Intelligent Manufacturing, WCMEIM 2022

作者： Enming, Song Yan, Ma Shixin, Kan Dongming, Zhao Beijing Institute of Precision Mechatronics and Controls Beijing China

ISBN: (纸本)9781665473699

This paper takes aerospace mechatronic servo system as the study object, and proposes an information structure of Product Lifecycle Management (PLM) system based on Manufacturing Process Management (MPM). The introducing MPM system can integrate with Product Data Management (PDM) system and Enterprise Resource Planning (ERP)/ Manufacturing Execution System (MES) respectively. Based on Bill of Materials (BOMs), triple mapping relations of design information, process planning information and manufacturing information of aerospace mechatronic servo system can be established. The redesigned PLM system can improve the existing models and enable the integration of information and data throughout the product lifecycle from requirements, planning, design, process, production, etc. © 2022 IEEE.

关键词： Enterprise resource planning

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Experimental Study On Press Riveting For Joint Bearings With Mounting Groove

Experimental Study On Press Riveting For Joint Bearings With...

引用

2022 CSAA/IET International Conference on Aircraft Utility Systems, AUS 2022

作者： Wei, Yi Liu, Shuai Niu, Guangran Wang, Jiaao Hu, Baobin Li, Weining Beijing Institute of Precision Mechatronics and Controls Beijing China

ISBN: (数字)9781839537769

ISBN: (纸本)9781839537769

This paper focuses on the research of the press riveting technology for self-lubricating bearings with mounting grooves using the press mounding technique, for which a press machine was used to apply two-way uniform loading. In order to set quality control requirements, the press-fitting standard was referred to. Forces applied on a bearing while it is being installed were analysed, the range of riveting pressure was calculated, and an MS14101-10 bearing was used for verification. Further, the relationship between riveting pressure, starting torque, and axial offset was determined, and the real riveting pressure was obtained. Finally, 20 groups of joint bearings were tested and proved that press fitting tests with press moulding method can produce supportive results for quality control. After being installed and fixed, bearings can not only bear necessary radial loading, plus bear as much axial force as possible while other factors such as the starting torque and rotation flexibility remain unaffected. © 2022 IET Conference Proceedings. All rights reserved.

关键词： Quality control

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Vibration and Noise Optimization of Surfaced Mounted PMSM used in EMP

Vibration and Noise Optimization of Surfaced Mounted PMSM us...

引用

2025 IEEE International Conference on mechatronics, ICM 2025

作者： Wu, Feiao Liu, Huijuan Li, Dong Cao, Junci Wang, Yi Yang, Chenwei School of Electrical Engineering Beijing Jiaotong University Beijing100044 China Beijing Institute of Precision Mechatronics and Controls Beijing100076 China

ISBN: (纸本)9798331533892

Take advantages of the high power density, fast response, heavy load capacity, Electrical Motor Pump (EMP) has been widely used in airplane, ships, and mineral equipment. For some special applications, extreme low vibration and noise are required. The surfaced mounted Permanent Magnet Synchronous Motor (SPMSM) has low torque ripples, thus it also has low vibration and noise. However, it is still far from the extreme requirements. Optimizing the stator structure by chamfering or slotting is the main means for scholars to weaken the vibration and noise of the motor at present, while the structural optimization of the shape of the stator tooth tip and the stator yoke is seldom investigated, and this paper puts forward a new stator structure scheme optimizing the shape of the stator tooth tip and the stator yoke slotting. Firstly, the temporal and spatial order of motor vibration and noise caused by first-order tooth harmonics is analyzed theoretically;secondly, the trajectory of quadratic function (parabola) is successively used as the shape of stator tooth profile, and a series of slotting optimization measures are carried out for yoke;finally, in order to verify the validity of the scheme, a prototype machine is designed in this paper and compared with the simulation results, which is within an acceptable range of error, further proving the reliability of the scheme. proved the reliability of the program. © 2025 IEEE.

关键词： Slotting

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Study on IOT Based WMS for Production Line of Aerospace Servo System 4

Study on IOT Based WMS for Production Line of Aerospace Serv...

引用

4th International Conference on Intelligent Information Processing, IIP 2022

作者： Song, Enming Song, Zhenkun Yue, Yue Zhang, Qiwei Beijing Institute of Precision Mechatronics and Controls Beijing China

ISBN: (纸本)9781665492225

With the popularization of digital flexible production line, the application of the temporary storage become more and more extensive. The traditional Warehouse Management System (WMS) has low degree of automation, and is difficult to obtain material information in real-time. The aim of this study is to design a WMS based on Internet of Things (IOT), which is suitable for the temporary storage of the high-mix low-volume production line. The WMS uses IOT architecture and Radio Frequency Identification (RFID) transceiver separation technology to obtain product and warehouse information, and an idealized intelligent WMS has been designed. © 2022 IEEE.

关键词： Internet of things

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