Zude Zhou

Wuhan University of Technology, Wu-han-shih, Hubei, China

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Publications (123)100.36 Total impact

  • Journal of Manufacturing Science and Engineering 08/2015; 137(4). DOI:10.1115/1.4030079 · 0.78 Impact Factor
  • Tianliang Li · Yuegang Tan · Zude Zhou · Qin Wei
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    ABSTRACT: A pasted type distributed two-dimensional fiber Bragg grating (FBG) vibration sensor has been proposed and studied in this paper. The optical fiber is directly considered as an elastomer. The two-dimensional vibration can be separated by subtraction/addition of two FBGs' center wavelength shift. The principle of the sensor as well as numerical simulation and experimental analyses are presented. Experimental results show that the resonant frequencies of the sensor x/y main vibration direction are separately 1300/20.51 Hz, which are consistent with the numerical simulation analysis result. The flat frequency range resides in 10-750 Hz and 3-12 Hz, respectively; dynamic range is 28.63 dB; in the x main vibration direction, the sensor's sensitivity is 32.84 pm/g, with linearity 3.91% in the range of 10-60 m/s(2), while in the y main vibration direction, the sensor's sensitivity is 451.3 pm/g, with linearity 1.92% in the range of 1.5-8 m/s(2). The cross sensitivity is 3.91%. Benefitting from the two dimensional sensing properties, it can be used in distributed two-dimensional vibration measurement.
    The Review of scientific instruments 07/2015; 86(7):075009. DOI:10.1063/1.4927456 · 1.58 Impact Factor
  • Chunsheng Song · Shengquan Xie · Zude Zhou · Yefa Hu
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    ABSTRACT: Temperature is one of the most significant parameters influencing heavy-duty machine tool accuracy. In order to model the correlation between temperature field distribution and thermally induced deformation, and compensate thermal errors, it is critical to obtain the temperature field variations of a precision machine tool in real-time. In this paper, based on fiber Bragg grating (FBG) sensing technology, a novel method for measuring real-time temperature field of a heavy-duty machine tool is presented and the spindle thermal shift error is analyzed. Measurement experiments of real-time temperature field and thermal shift error were carried out on a CNC turn-milling machine tool in shop floor. The variations of ambient and surface temperatures were obtained by the proposed system and the spindle thermal shift errors were monitored by laser displacement sensors at the same time. Experimental results indicate that the surface temperature variations distributed over the machine structure are non-uniform, and the surface temperature field and spindle thermal error have a similar change trend following the ambient temperature. The proposed real-time measurement system could be utilized to analyze the thermal behavior and improve the accuracy of heavy-duty machine tools.
    Mechatronics 05/2015; DOI:10.1016/j.mechatronics.2015.04.004 · 1.82 Impact Factor
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    ABSTRACT: Milling force is an important parameter to describe the mechanical processing chip removal process, and it has a direct influence on generation of heat, tool wear or failure, quality of machined surface and accuracy of the work piece. Its accurate measurement is a significant basis for judging process state and improving the reliability of machining system. In this study, through analyzing the variation rule of ring diameter, a new method that using Fiber Bragg grating sensors and variation rule of ring diameter to measure the milling force has been proposed, and the basic structure of annulus has also been designed. A dynamometer has also been constructed, and the preliminary verification test was done. Through the analysis of experimental data, the dynamometer based on annulus elastic body can be used in milling force test, and it owns high sensitivity.
    Mechatronics 04/2015; DOI:10.1016/j.mechatronics.2015.03.007 · 1.82 Impact Factor
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    ABSTRACT: A non-contact vibration sensor based on the fiber Bragg grating (FBG) sensor has been presented, and it is used to monitor the vibration of rotating shaft. In the paper, we describe the principle of the sensor and make some experimental analyses. The analysis results show that the sensitivity and linearity of the sensor are -1.5 pm/um and 4.11% within a measuring range of 2 mm-2.6 mm, respectively. When it is used to monitor the vibration of the rotating shaft, the analysis signals of vibration of the rotating shaft and the critical speed of rotation obtained are the same as that obtained from the eddy current sensor. It verifies that the sensor can be used for the non-contact measurement of vibration of the rotating shaft system and for fault monitoring and diagnosis of rotating machinery.
    Photonic Sensors 01/2015; 5(2). DOI:10.1007/s13320-015-0220-9
  • Tianliang Li · Yuegang Tan · Zude Zhou · Li Cai · Lai Wei
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    ABSTRACT: This paper has presented a non-contact vibration sensor based on fiber Bragg grating (FBG) sensing, and applied to measure vibration of turbine rotor dynamic balance platform. The principle of the sensor has been introduced; it’s based on magnetic coupling principle and the FBG sensing to obtain the vibration. The sensors calibration experiments show that: sensitivity of 1st sensor in range of 3.00-3.80mm is -449.83pm/mm, linearity is 5.19%; sensitivity of 2nd sensor in range of 4.00-5.00mm is -430.95pm/mm, linearity is 3.31%. In addition, turbine rotor dynamic vibration detection system based on eddy current displacement sensor and non-contact FBG vibration sensor have set; and contrast analysis of experiments data shows that: the vibration signal analysis of non-contact FBG vibration sensor is basically the same as the result of eddy current displacement sensor. It verified that the sensor can be used for non-contact measurement of turbine rotor dynamic balance vibration.
    IEICE Electronics Express 01/2015; 12(12). DOI:10.1587/elex.12.20150380 · 0.39 Impact Factor
  • Fan Zhang · Zude Zhou · Wenjun Xu
    10/2014; 9(10). DOI:10.4304/jsw.9.10.2598-2606
  • Sensor Review 08/2014; 34(4):343-348. DOI:10.1108/SR-09-2013-728 · 0.62 Impact Factor
  • Wei Meng · Quan Liu · Zude Zhou · Qingsong Ai
    Industrial Robot 08/2014; 41(5):465-479. DOI:10.1108/IR-04-2014-0327 · 0.62 Impact Factor
  • Quan Liu · Dong Liu · Wei Meng · Zude Zhou · Qingsong Ai
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    ABSTRACT: Multi-degrees of freedom (DOF) parallel robot, due to its compact structure and high operation accuracy, is a promising candidate for medical rehabilitation devices. However, its controllability relating to the nonlinear characteristics challenges its interaction with human subjects during the rehabilitation process. In this paper, we investigated the control of a parallel robot system using fuzzy sliding mode control (FSMC) for constructing a simple controller in practical rehabilitation, where a fuzzy logic system was used as the additional compensator to the sliding mode controller (SMC) for performance enhancement and chattering elimination. The system stability is guaranteed by the Lyapunov stability theorem. Experiments were conducted on a lower limb rehabilitation robot, which was built based on kinematics and dynamics analysis of the 6-DOF Stewart platform. The experimental results showed that the position tracking precision of the proposed FSMC is sufficient in practical applications, while the velocity chattering had been effectively reduced in comparison with the conventional FSMC with parameters tuned by fuzzy systems.
    International Journal of Humanoid Robotics 04/2014; 11(01). DOI:10.1142/S0219843614500042 · 0.41 Impact Factor
  • Yong Yin · Yu Li · Chaoyong Zhang · Ping Lou · Zude Zhou
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    ABSTRACT: As the future development trend of advanced manufacturing technologies, manufacturing grid (MG) is attracting more and more interests, and massive results have been achieved. However, as current existing service MG platforms are based on different standards and specifications, access to manufacturing resources of these platforms remains incompatible. To enhance the adaptability of MG with different standards, a uniform manufacturing resource service adapter for MG called uniform service adapter (UA) is suggested. Firstly, existing service access mechanisms of current MG are analyzed briefly. Then the frameworks of UA, which are composed of three parts, namely the service adapter, the data management adapter, and the binding adapter, is presented. Next, each part of UA is realized in detail. Lastly, a simple test scene of UA is provided. The UA introduced in the paper can accommodate the dynamics, complexity, and heterogeneity of the situation, providing a uniform interface for the upper applications to overcome the incompatibility of the services with different standards.
    International Journal of Advanced Manufacturing Technology 04/2014; 72(1-4):221-230. DOI:10.1007/s00170-014-5631-z · 1.78 Impact Factor
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    ABSTRACT: A non-contact vibration sensor based on fiber Bragg grating (FBG) sensing has been proposed and studied in this paper. The principle of the sensor as well as simulation and experimental analyses are introduced. When the distance between the movable head and the measured shaft changed, the diaphragm deformed under magnetic coupling of the permanent magnet on the measured magnetic shaft. As a result, the center wavelength of the FBG connected to the diaphragm changed, based on which the vibration displacement of the rotating shaft could be obtained. Experimental results show that the resonant frequency of the sensor is about 1500 Hz and the working band ranges within 0-1300 Hz, which is consistent with the simulation analysis result; the sensitivity is -1.694 pm/μm and the linearity is 2.92% within a range of 2-2.4 mm. It can be used to conduct non-contact measurement on the vibration of the rotating shaft system.
    The Review of scientific instruments 01/2014; 85(1):015002. DOI:10.1063/1.4857755 · 1.58 Impact Factor
  • Fan Zhang · Zude Zhou · Wenjun Xu
    International Journal of Distributed Sensor Networks 01/2014; 2014:1-13. DOI:10.1155/2014/823029 · 0.92 Impact Factor
  • Zude Zhou · Zheng Xiao · Quan Liu · Qingsong Ai
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    ABSTRACT: ‘Customer requirements’ CRs management is a key component of customer relationship management CRM. By processing customer-focused information, CRs management plays an important role in enterprise systems ESs. Although two main CRs analysis methods, quality function deployment QFD and Kano model, have been applied to many fields by many enterprises in the past several decades, the limitations such as complex processes and operations make them unsuitable for online businesses among small-and medium-sized enterprises SMEs. Currently, most SMEs do not have the resources to implement QFD or Kano model. In this article, we propose a method named customer requirement information CRI, which provides a simpler and easier way for SMEs to run CRs analysis. The proposed method analyses CRs from the perspective of information and applies mathematical methods to the analysis process. A detailed description of CRI's acquisition, classification and processing is provided.
    Enterprise Information Systems 11/2013; 7(4):543-557. DOI:10.1080/17517575.2012.763189 · 9.26 Impact Factor
  • Qingsong Ai · Ting Shu · Quan Liu · Zude Zhou · Zheng Xiao
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    ABSTRACT: ‘Customer requirements’ CRs management plays an important role in enterprise systems ESs by processing customer-focused information. Quality function deployment QFD is one of the main CRs analysis methods. Because CR weights are crucial for the input of QFD, we developed a method for determining CR weights based on trapezoidal fuzzy membership function TFMF and 2-tuple linguistic representation TLR. To improve the accuracy of CR weights, we propose to apply TFMF to describe CR weights so that they can be appropriately represented. Because the fuzzy logic is not capable of aggregating information without loss, TLR model is adopted as well. We first describe the basic concepts of TFMF and TLR and then introduce an approach to compute CR weights. Finally, an example is provided to explain and verify the proposed method.
    Enterprise Information Systems 11/2013; 7(4):569-580. DOI:10.1080/17517575.2012.763190 · 9.26 Impact Factor
  • Source
    Mingyao Liu · Erlong Zhang · Zude Zhou · Yuegang Tan · Yi Liu
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    ABSTRACT: The change of spindle temperature field is an important factor which influences machining precision. Many methods of spindle temperature field measurement have been proposed. However, most of the methods are based on the electric temperature sensors. There exist some defects (e.g., anti-interference, multiplexing, and stability capacity are poor). To increase the temperature sensitivity and reduce strain sensitivity of the bare Fiber Bragg Grating (FBG) sensor, a cassette packaged FBG sensor is proposed to measure spindle temperature field. The temperature characteristics of the packaged FBG sensor are studied by comparative experiment with traditional thermal resistor sensor. The experimental results show that the packaged FBG sensor has the same capacity of temperature measurement with the thermal resistor sensor but with more remarkable antiinterference. In the further measurement experiment of the temperature field, a spindle nonuniform temperature field is acquired by the calibrated FBG sensors. It indicates that the packaged FBG sensor can be used to measure the temperature field for the spindle of machine tool.
    Advances in Mechanical Engineering 09/2013; 2013. DOI:10.1155/2013/940626 · 0.50 Impact Factor
  • Source
    Zude Zhou · Wei Meng · Qingsong Ai · Quan Liu · Xiang Wu
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    ABSTRACT: Due to the advantages of its compact structure and high operation accuracy, the six degrees of freedom (6-DOF) parallel platform has been widely used as a carrier of medical rehabilitation devices. Fuzzy adaptive algorithm does not depend on the mathematical model of controlled object, which possesses good nonlinear characteristics. Those entire features make it an effective method to control such complex and coupling platforms. To facilitate the application of robotics in lower limb rehabilitation fields, a robotic system in practical environment was established based on kinematics modeling of the 6-DOF Stewart-based platform. In order to improve the velocity tracking accuracy, this paper proposed a closed-loop control strategy based on fuzzy adaptive algorithm. The velocity feedback information was utilized to modify the PID parameters adaptively in realtime through fuzzy inference units. Several experiments in practical environment were conducted, and the results demonstrated that the proposed algorithm could effectively reduce the speed jitter, enhance the position and velocity tracking precision of the robot, and the reliability and robustness of the system could also be ensured.
    Advances in Mechanical Engineering 07/2013; 2013. DOI:10.1155/2013/574896 · 0.50 Impact Factor
  • Quan Liu · Fen Chen · Zude Zhou · Qin Wei
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    ABSTRACT: Rolling bearing is widely used in rotating mechanical system, and its operating state has great influence on accuracy, reliability, and the life of the whole mechanical system. Therefore, fault diagnosis of rolling bearing is indispensible for the health monitoring in rotating machinery system. Wavelet package transform (WPT) and envelope demodulation have been common methods in diagnosis of bearing fault, but the precision of diagnostic results is limited by the degree of damages on bearing. In this paper, a method based on WPT and ensemble empirical mode decomposition (EEMD) is proposed to detect the fault of rolling bearing and solve this problem. According to simulation and experimental results, it is effective in fault diagnosis of rolling bearing and is better than the method based on WPT and envelope spectrum while the faults get more serious.
    Advances in Mechanical Engineering 07/2013; 2013. DOI:10.1155/2013/792584 · 0.50 Impact Factor
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    ABSTRACT: A fiber Bragg grating-based accelerometer with a fully metalized package is presented. Magnetron sputtering and electroplating techneques are successively adopted to metalize bare SiO2 fiber with a single Bragg grating. Laser welding techneque is adopted to fix the metal-coated fiber on the sensor component to obtain a fully metallized package without adhesives. Vibration test results demonstrate that the accelerometer has a flat frequency response over a 1-kHz bandwidth, with a resonance frequency of 3.6 kHz, wide linear measurement range of up to 8 g, and sensitivity of 1.7 pm/g.
    Chinese Optics Letters 07/2013; 11(7). DOI:10.3788/COL201311.070604 · 1.85 Impact Factor

Publication Stats

460 Citations
100.36 Total Impact Points

Institutions

  • 2004–2015
    • Wuhan University of Technology
      Wu-han-shih, Hubei, China
  • 2005–2009
    • Huazhong University of Science and Technology
      • • State Engineering Research Center of Numerical Control System
      • • School of Mechanical Science and Engineering
      Wu-han-shih, Hubei, China
  • 2008
    • Cardiff University
      • School of Engineering
      Cardiff, Wales, United Kingdom