Volume 20,Issue 3,1997 Table of Contents

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1 An Adaptive Control (AC) Strategy for Internal Grinding with Power Sensor

Chen Zhuang Liu Fei Dan Bin

1997, 20(3):1-7.

[Abstract](613) [HTML](0) [PDF 306.35 K](106)

Abstract:
An adaptive control (AC) strategy for internal grinding with power sensor is proposed.The strategy consists of control strategy of grinding without empty travel,fuzzy control strategy of grinding with constant power,and state monitoring control strategy of grinding wheel.The fuzzy control strategy with constant power is discussed emphatically.

2 Small Deflection Problem of Polar Material Spiral Laminates

Zhang Peiyuan Yan Bo

1997, 20(3):8-14.

[Abstract](663) [HTML](0) [PDF 224.33 K](113)

Abstract:
This paper discusses the effect of spiral laminae of polar materials on the stiffness of laminates and gives out the relation between spiral angle and equivalent elastic constants of the spiral laminates including asymmetric stresses and coupled stresses.It is concluded that the appropriate choice of the spiral angle of laminae can greatly enhance the stiffness of laminates.

3 The Analysis of Input Sources and the Parameter Computational Methods of the Approximate MMPP for ATM Multiplexer

Sun Rongheng Li Fujian

1997, 20(3):15-19.

[Abstract](529) [HTML](0) [PDF 191.25 K](172)

Abstract:
This paper first analyse the interrupted Bernoullis input processes and its superposition process and then give the purameter computational methods of approximate MMPP for ATM Multiplexer.

4 Systems Analysis Based on Continuous Wavelet Transform

Luo Shaoming Zhang Xiangwei

1997, 20(3):20-25.

[Abstract](775) [HTML](0) [PDF 202.80 K](120)

Abstract:
The linear time invariant vibration system is analyzed by Continuous Wavelet Transform(CWT),the relationship of wavelet transform of output signal with the pulse response of system and input signal is put forward.As an exapmle,the wavelet transform of the output signal of system with single degree of freedom is calculated and compared with the direct wavelet transform result of the actual output signal,it shows that the two results are in complete agreement.

5 The Optimization Design for the Parameters of Capacitor Welding

Liu Mingyu

1997, 20(3):26-31.

[Abstract](539) [HTML](0) [PDF 237.02 K](182)

Abstract:
Through the analysis in this paper,the optimum relation of the discharging current peak interval t m ,the discharging loop equivalent inductance L and equivalent resistance R is obtained.This paper analyze the original discharging loop equivalent inductance L ,which provides an effective method for adjustment and selection of inductance L to realize the optimization energy saving design of the welding machine.

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