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Micro-optical fabrication by ultraprecision diamond machining and precision molding

Hui LI, Likai LI, Neil J. NAPLES, Jeffrey W. ROBLEE, Allen Y. YI

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 2,   Pages 181-192 doi: 10.1007/s11465-017-0444-z

Abstract: improvements in ultraprecision machine design and performance, particularly with the introduction of both slow tooland fast tool servo.In this paper, first ultraprecision machine design and machining processes such as slow tool and fasttoo servo are described then both compression molding and injection molding of polymer optics are discussed

Keywords： ultraprecision machining     slow tool servo     fast tool servo     compression molding     injection molding     microlens    

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Model-based nonlinear control of hydraulic servo systems: Challenges, developments and perspectives

Jianyong YAO

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 2,   Pages 179-210 doi: 10.1007/s11465-018-0464-3

Abstract:

Hydraulic servo system plays a significant role in industries, and usually acts as a core point intheory-based control methods have been well established, advanced controller design methods for hydraulic servoand makes model-based nonlinear control more attractive, due to benefit from prior knowledge of the servochallenges in model-based nonlinear control, latest developments and brief perspectives of hydraulic servomeasurement noise, constraints, inner valve dynamics, input nonlinearity, etc.) in nonlinear hydraulic servo

Keywords： hydraulic servo system     adaptive control     robust control     nonlinear friction     disturbance compensation     repetitive    

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Gray-box modeling and QFT control for precision servo transmission systems

Xiulan BAO, Xuedong CHEN, Xin LUO, Haocheng ZUO

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 4,   Pages 442-448 doi: 10.1007/s11465-011-0242-y

Abstract:

Precision servo transmission systems have widely been applied in industrial equipment to achieve highHowever, due to the presence of friction and uncertainty, the characteristics of precision servo transmissionThis paper proposes two-degrees of freedom (2-DOF) robust position controller for a precision servo transmission

Keywords： precision servo transmission system     modeling     set membership identification     quantitative feedback theory    

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Modeling and analysis of steady-state vibration induced by backlash in servo rotary table

Xiao YANG,Dun LU,Sanli LIU,Jun ZHANG,Wanhua ZHAO

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 1,   Pages 43-47 doi: 10.1007/s11465-015-0327-0

Abstract: This paper presents a mathematical model of a servo rotary table, considering the effect of backlash.

Keywords： backlash     servo rotary table     steady-state vibration    

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Control algorithm of a servo platform

Shouyong XIE, Xiwen LI, Shuzi YANG, Mingjin YANG,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 3,   Pages 353-355 doi: 10.1007/s11465-010-0098-6

Abstract: According to the characteristics of the movement of a special-purpose three-axis servo platform, thisThe control algorithm meets all requirements of the control system of the special-purpose three-axis servo

Keywords： grey prediction     proportional integral derivative (PID) control     improved algorithm     weight     servo platform    

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Energy saving design of the machining unit of hobbing machine tool with integrated optimization

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 3, doi: 10.1007/s11465-022-0694-2

Abstract: The machining unit of hobbing machine tool accounts for a large portion of the energy consumption duringAn integrated optimization model for reducing tool displacement and energy consumption is developed onResults show that the energy consumption and tool displacement of the machining unit are reduced, indicating

Keywords： energy saving design     energy consumption     machining unit     integrated optimization     machine tool    

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Effect of magneto rheological damper on tool vibration during hard turning

P. Sam PAUL, A. S. VARADARAJAN

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 4,   Pages 410-416 doi: 10.1007/s11465-012-0341-4

Abstract: The present investigation aims at developing a magneto rheological (MR) fluid damper for suppressing toolwere conducted to arrive at a set of electrical, compositional and shape parameters that can suppress toolIt was observed that the use of MR fluid damper reduces tool vibration and improves the cutting performance

Keywords： tool vibration     magneto rheological damper     hard turning     surface finish     tool wear    

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Variable identification and automatic tuning of the main module of a servo system of parallel mechanism

YANG Zhiyong, XU Meng, HUANG Tian, NI Yanbing

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 1,   Pages 82-88 doi: 10.1007/s11465-007-0014-x

Abstract: The variables of the main module of a servo system for miniature reconfigurable parallel mechanism wereTo identify the variables of the servo system, the triangle-shaped input signal with variable frequencysequence, i.e., making the change of the vibration amplitude of the motor dramatically, easily impact the servoMoreover, all the variables including the rotary inertia of the servo system were identified by the additivelimited changing load with the attitude was considered, and the range of the controller variables in the servo

Keywords： acceleration     reconfigurable parallel     additive     sequence     parallel mechanism    

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Preliminary design of an SCO conversion system applied to the sodium cooled fast reactor

Frontiers in Energy 2021, Volume 15, Issue 4,   Pages 832-841 doi: 10.1007/s11708-021-0777-5

Abstract: dioxide (SCO2) Brayton cycle has become an ideal power conversion system for sodium-cooled fast

Keywords： sodium-cooled fast reactor (SFR)     supercritical carbon dioxide (SCO2)     brayton cycle     load    

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Experimental Study on the Piezoelectric Prestage Driver of Electrohydraulic Servo Valves

CHENG Guang-ming, SHEN Chuan-liang, YANG Zhi-gang

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 1,   Pages 56-59 doi: 10.1007/s11465-005-0017-4

Abstract:

A piezoelectric actuated prestage driver of hydraulic servo valves for the low-frequency responseof electrohydraulic servo valve electromagnetic prestage driver was presented.

Keywords： flexure-hinged amplifier     kHz     amplification     high-frequency     electromagnetic    

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Kinematic Model Building and Servo Parameter Identification of 3-HSS Parallel Mechanism

YANG Zhi-yong, WU Jiang, HUANG Tian, NI Yan-bing

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 1,   Pages 60-66 doi: 10.1007/s11465-005-0019-2

Abstract: Based on the above model, a method to identify the servo parameter of the parallel mechanism is put up

Keywords： building     acceleration     additive     workspace     optimum performance    

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The Research and Implementation of EAP - FAST Protocol in Public Wireless Local Area Network

Cao Ping,Pei Wenjiang

Strategic Study of CAE 2005, Volume 7, Issue 12,   Pages 78-82

Abstract: protocol is vulnerable to dictionary attacks, the flexible authentication via secure tunneling (EAP - FASTand design this protocol in public wireless local area network, and implement the function of EAP - FASTpeer, authenticator and FAST server in PWLAN integrate experimentation flat.

Keywords： network     port based network access control (802.1x)     flexible authentication via secure tunneling (EAP —FAST    

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A novel six-legged walking machine tool for

Jimu LIU, Yuan TIAN, Feng GAO

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 3,   Pages 351-364 doi: 10.1007/s11465-020-0594-2

Abstract: This study proposes a novel six-legged walking machine tool consisting of a legged mobile robot and aportable parallel kinematic machine tool.of the large workspace of the legged mobile platform and the high precision of the parallel machine toolFinally, an application scenario is shown in which the walking machine tool steps successfully over ahierarchical motion planning scheme and demonstrate the extensive potential of the walking machine tool

Keywords： legged robot     parallel mechanism     mobile machine tool     in-situ machining    

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Design and analysis of a new high frequency double-servo direct drive rotary valve

Muzhi ZHU,Shengdun ZHAO,Jingxiang LI

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 4,   Pages 344-350 doi: 10.1007/s11465-016-0406-x

Abstract: This paper studied the high frequency double-servo direct drive rotary valve (DDRV), and proposed a novelServo motors are integrated into the valve by the innovative structure, which is designed to equilibrateAside from the fast reversing function of the valve, the DDRV presented high performance in linearity

Keywords： direct drive rotary valve     computational fluid dynamics (CFD)     flow regulation    

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Green catalytic engineering: A powerful tool for sustainable development in chemical industry

Kequan Chen, Dangguo Cheng, Chong Peng, Dan Wang, Jintao Zhang

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 4,   Pages 835-837 doi: 10.1007/s11705-018-1756-1

Abstract:
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Title Author Date Type Operation

Micro-optical fabrication by ultraprecision diamond machining and precision molding

Hui LI, Likai LI, Neil J. NAPLES, Jeffrey W. ROBLEE, Allen Y. YI

Journal Article

Model-based nonlinear control of hydraulic servo systems: Challenges, developments and perspectives

Jianyong YAO

Journal Article

Gray-box modeling and QFT control for precision servo transmission systems

Xiulan BAO, Xuedong CHEN, Xin LUO, Haocheng ZUO

Journal Article

Modeling and analysis of steady-state vibration induced by backlash in servo rotary table

Xiao YANG,Dun LU,Sanli LIU,Jun ZHANG,Wanhua ZHAO

Journal Article

Control algorithm of a servo platform

Shouyong XIE, Xiwen LI, Shuzi YANG, Mingjin YANG,

Journal Article

Energy saving design of the machining unit of hobbing machine tool with integrated optimization

Journal Article

Effect of magneto rheological damper on tool vibration during hard turning

P. Sam PAUL, A. S. VARADARAJAN

Journal Article

Variable identification and automatic tuning of the main module of a servo system of parallel mechanism

YANG Zhiyong, XU Meng, HUANG Tian, NI Yanbing

Journal Article

Preliminary design of an SCO conversion system applied to the sodium cooled fast reactor

Journal Article

Experimental Study on the Piezoelectric Prestage Driver of Electrohydraulic Servo Valves

CHENG Guang-ming, SHEN Chuan-liang, YANG Zhi-gang

Journal Article

Kinematic Model Building and Servo Parameter Identification of 3-HSS Parallel Mechanism

YANG Zhi-yong, WU Jiang, HUANG Tian, NI Yan-bing

Journal Article

The Research and Implementation of EAP - FAST Protocol in Public Wireless Local Area Network

Cao Ping,Pei Wenjiang

Journal Article

A novel six-legged walking machine tool for

Jimu LIU, Yuan TIAN, Feng GAO

Journal Article

Design and analysis of a new high frequency double-servo direct drive rotary valve

Muzhi ZHU,Shengdun ZHAO,Jingxiang LI

Journal Article

Green catalytic engineering: A powerful tool for sustainable development in chemical industry

Kequan Chen, Dangguo Cheng, Chong Peng, Dan Wang, Jintao Zhang

Journal Article