By D. E. Hardt
ISBN-10: 0080299466
ISBN-13: 9780080299464
Read Online or Download Information Control Problems in Manufacturing Technology 1982. Proceedings of the 4th IFAC/IFIP Symposium, Maryland, USA, 26–28 October 1982 PDF
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Additional resources for Information Control Problems in Manufacturing Technology 1982. Proceedings of the 4th IFAC/IFIP Symposium, Maryland, USA, 26–28 October 1982
Sample text
But since the co herency (CH) is nearly equal to 1 at about 7 Hz, the value of transfer function at this frequency can be believed reliable. 00 66-00 (MILL SEC) Fig. 2. Step response of cutting dynamometer. 00 ° ω -60 -120 O - IGoMV. - -180 -240 I 0-5 1 Fig. 3. Transfer function by interrupted cutting. 1 50 __1 100 ( Hz ) Fig. 5. Estimated transfer function. changes in accordance with the change of spindle shaft speed from 200 rpm to 1000 rpm. Therefore, the graph of transfer function is obtained as shown in Fig.
With these two data, the shape Mi o (CURVATURE) Fig. 3. A typical moment curvature (M-K) relation ship for a strain-hardening material. Shape Control in Metal Bending Processes of the loaded sheet in air-bending can be found by relating the local moment in the sheet to the local curvature and then integrating over the arc-length of the material to find the total shape or angle. The unloaded angle is similarly found by integrating the local change in curvature ΔΚ = Kj - 1L· over the sheet arc-length.
It was therefore decided to carry out tests which involved the injec tion of a force signal into the three term controller which controlled the combustion air flow rate and hence the heat input to zone 1. The implementation of a suitable computer control strategy would require the develop ment of a parametric model of the form; z K T\ -J Σ j=i Vx 1 m Σ 1 + Σ c z 1 + Σ d. z" J j=i J "J V (1) where T, = Pleasured o u t p u t ε temperature = Measured combustion air flow rate which can be manipulated to counteract the disturbances = Random error signal a.
Information Control Problems in Manufacturing Technology 1982. Proceedings of the 4th IFAC/IFIP Symposium, Maryland, USA, 26–28 October 1982 by D. E. Hardt
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