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  4. 1998
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  3. Allowance (engineering)
  4. 1998
Showing papers on "Allowance (engineering) published in 1998"
Journal Article•
Theory of fluctuations in a nonequilibrium plasma with allowance for collisons between plasma particles

[...]

V. A. Puchkov
01 May 1998-Plasma Physics Reports

5 citations

Patent•
Wire cutting electric discharging machining method based upon predicted discharge gap

[...]

Kaori Katou1, Maeda Miyuki1, Naka Shigeaki1, Yasuhiro Kawai1•
Mitsubishi1
28 Aug 1998
TL;DR: In this paper, a workpiece and a wire electrode are added to the machining conditions, and read in doing a program check, and a predicted allowance for machining m (n) in the nth machining is calculated from the predicted discharge gap g(n), a correction amount y(n) of the wire electrode (2 ) for the workpiece (1) for the electrode, and the predicted minimum gap gmax gmax (n), between the work piece and the wire electrodes to prevent short-circuiting.
Abstract: A predicted discharge gap g(n) and a predicted minimum gap gmax(n) between a workpiece ( 1 ) and a wire electrode ( 2 ) to prevent a short-circuit are added to the machining conditions, and read in doing a program check, and a predicted allowance for machining m(n) in the nth machining is calculated from the predicted discharge gap g(n), a correction amount y(n) of the wire electrode ( 2 ) for the workpiece ( 1 ) and a wire electrode diameter d, in which the predicted allowance for machining m (n) in the nth machining and the predicted minimum gap gmax (n) between the workpiece and the wire electrode to prevent short-circuiting in the nth machining are displayed on a display unit ( 17 ).

5 citations

Patent•
Method for recognizing a spontaneous demand by a driver of a motor vehicle for a dynamic response

[...]

Helmut Gimmler1, Andreas Heindinger1, Klaus-Peter Kuhn1•
Daimler AG1
9 Jul 1998
TL;DR: In this paper, a method for recognizing a spontaneous demand by a driver of a motor vehicle for a dynamic response, the extent of the actuation of an operating device being compared to a threshold value, was presented.
Abstract: A method for recognizing a spontaneous demand by a driver of a motor vehicle for a dynamic response, the extent of the actuation of an operating device being compared to a threshold value, and the demand for a dynamic response being recognized when the extent of actuation lies above a specific threshold value, and, when comparing the extent of actuation to the threshold value, allowance being made for the manner in which the vehicle driver normally actuates the operating device.

3 citations

Patent•
Method for adjusting components in metal

[...]

Naoki Akase, Tadashi Noma, 直喜 明瀬, 廉 野間
12 Oct 1998
TL;DR: In this paper, the authors proposed a method to enable the contribution to the improvement of quality of a product cast block by calculating the optimum component adjusting value in a short time without needing the skillness of a worker in a cast steel kind.
Abstract: PROBLEM TO BE SOLVED: To enable the contribution to the improvement of quality of a product cast block by calculating the optimum component adjusting value in a short time without needing the skillness of a worker in a sequentially continuous casting of a cast steel kind. SOLUTION: The component adjustment of the sequentially continuous casting of the cast steel kind is executed at each lot in the casting order by utilizing a component allowance value data base and a mixed part component allowance value data base stored in the inner part of a process control part 30. In order to consider the component adjusting value of the object lot at the front of and the following lots, the component allowance range in the mixed part between these lots is obtd. by referring the mixed part component allowance data base and a provisional component adjusting value is calculated from the above allowance range and the component allowance range of the object lot obtd. by referring the component allowance value data base. The provisional component adjusting value is corrected with data obtd. by referring a correcting control table and the optimum component adjusting value is calculated.

3 citations

Journal Article•
Nonlocal equations of heat and mass transfer with allowance for cross effects

[...]

L. A. Kim, A. M. Brener
01 Jan 1998-Theoretical Foundations of Chemical Engineering

3 citations

Patent•
Adjustment controlling system

[...]

Rintaro Nakane, 林太郎 中根
7 Sep 1998
TL;DR: In this paper, the problem of obtaining an adjustment controlling system which enables optimum adjustment and controlling with good adjustment efficiency by controlling in such a manner that adjustment is repeated till each detected controlled amt. reaches within a specified allowance when adjustment and control are not previously experienced.
Abstract: PROBLEM TO BE SOLVED: To obtain an adjustment controlling system which enables optimum adjustment and controlling with good adjustment efficiency by controlling in such a manner that adjustment is repeated till each detected controlled amt. reaches within a specified allowance when adjustment and controlling are not previously experienced. SOLUTION: In this system, controlled variables from plural sensors are inputted, and when deviations of all controlled variables are within the allowance, the system judges 'YES', and if not, it judges 'NO' (ST12). After the system determines 'NO', whether success experience by learning is present or not is judged (ST13). When there is no experience, the operation amt. is determined by an adaptive controlling method (ST15). Then operation is carried out according to the operation amt. (ST16). Thus, the obtd. adjusting and controlling system realizes ensured convergence and decrease in controlling times by determining the operation amt. by selecting between the feed back control which ensures convergence such as adaptive control and the control pattern of learning control.

2 citations

Patent•
Hermetic package and electronic component utilizing the same

[...]

Nakamura Koji, Matsui Shuichi
11 Sep 1998
TL;DR: In this article, a tubular metal case 4 has an elliptic opening 4a the inner edge of which is rounded to facilitate the press-fit of a base 2 into the case 4.
Abstract: PROBLEM TO BE SOLVED: To ensure the air tightness and realize thin and small electronic devices by specifying the fitting allowance of a base and the fitting allowances in the major and minor axes using specified equations. SOLUTION: A tubular metal case 4 has an elliptic opening 4a the inner edge of which is rounded to facilitate the press-fit of a base 2 into the case 4. The allowance for pressing the base 2 into an opening 4a of the case 4 is defined as 1/2 the value of the outer diameter of a fitting part of the base 2 minus the inner diameter of a fitting part of the case 4 and allowance values Er, Es in the major and minor axes satify the eq. Er<=Es<=2Er. The case 4 has a flat cup-like shape and the fitting part of the base 2 to be inserted in the opening 4a of the case 4 is elliptic. These allowance values are set to ensure the air tightness by the press-fit.

2 citations

Patent•
Motion estimation method for video data compression system

[...]

Dong-Seek Park, John D. Villasenor, Feng Chen
9 Sep 1998
TL;DR: In this paper, a motion estimation method for determining a motion vector, using a bit rate-distortion technique in image compression, is presented. But the method is not suitable for image compression with high compression rate.
Abstract: A motion estimating method for determining a motion vector, using a bit rate-distortion technique in image compression. The motion estimating method includes the steps of obtaining a motion vector (x 0 , y 0 ) which minimizes a predetermined error function, assuming a preferred motion vector (x, y), calculating the difference (x-diff, y-diff) between (x 0 , y 0 ) and (x, y), obtaining the number of bits needed to encode the x-diff and y-diff, determining a bias based on a bias model according to the bit number, obtaining a final cost function value based on the difference between a cost function value and a bias, comparing the final cost function value with a predetermined allowance limit, determining the assumed motion vector (x, y) as a motion vector for a current macroblock and updating the allowance limit by using the cost function value, if the cost function value is smaller than the predetermined allowance limit and discarding the assumed motion vector (x, y) if the cost function value is not smaller than the predetermined allowance limit. The disclosed method is successful in increasing the compression rate.

2 citations

Patent•
Input allowance value setting method for atm switch system

[...]

Sung Hyuk Byun, Jeong Won Heo, Ju Yong Lee, Kyung-Geun Lee, Jae-Jin Shin, Dan Keun Sung, Jin Woo Yang, 檀根 成, 敬根 李, 柱勇 李, 載振 申, 廷源 許, 性赫 邊 
11 Jun 1998
TL;DR: In this paper, a buffer allowance value control part 15 reads the shared buffer occupation information out of a shared buffer control part 12 to calculate the share buffer occupation rate of every input port and the input port allowance value at each W cell time of an allowance value rewriting interval, sends these calculated rate and value to the part 12, and generates the control signal to decide every priority class buffer allowance values.
Abstract: PROBLEM TO BE SOLVED: To decrease occurrence of the backward pressure signals and to secure the high cell yield by changing the allowance number of input cells for every input port. SOLUTION: A buffer allowance value control part 15 reads the shared buffer occupation information out of a shared buffer control part 12 to calculate the shared buffer occupation rate of every input port and the input port allowance value at each W cell time of an allowance value rewriting interval, sends these calculated rate and value to the part 12, and generates the control signal to decide every priority class buffer allowance value. A unit switch has N pieces of input port occupation information tables at the part 12 to store the occupation information on N pieces of input ports and stores the cell number Li of the relevant input port in the t-th table. When the number of bells of a shared buffer 11 is equal to its allowable value t1 , a backward pressure signal is generated to inhibit the cells which are inputted from an i-th input port. That is, the part 15 decides the allowance value of every input port at each W cell time and the part 12 generates the backward pressure signal for every input port based on the allowance value that is decided at the part 15.

1 citations

Patent•
Case for display body

[...]

Kato Shinichi
6 Mar 1998
TL;DR: In this paper, the problem of securing a picture frame width from a necessary strength of a pair of cases for a liquid crystal display module is addressed, where an under case 1 is provided with a projecting part 4 on a specified inner side wall 3.
Abstract: PROBLEM TO BE SOLVED: To secure a picture frame width from a necessary strength of a pair of cases for a liquid crystal display module. SOLUTION: An under case 1 is provided with a projecting part 4 on a specified inner side wall 3. An upper case 11 is provided with a leaf spring part 15 in the form of a cantilever on a specified side wall 14. In general, it is difficult from precision of machining to exactly fit the side wall of the upper case 11 to the side wall 3 of the under case 1. Although a maximal allowance is made for this reason, this may cause a play between both cases 1, 12. Therefore, if a projecting value of the projecting part 4 from the inner side wall 3 is made as same as the play, the left side wall 14 of the upper case 11 always fits to the side wall 3 of the under case 1 not only when there is no play between both cases 1, 11 at all but also when there is a play at a maximum between both cases 1, 11.

1 citations

Patent•
Budget result management system and recording medium

[...]

Yamaguchi Yuka, Otsuka Akira
26 Jun 1998
TL;DR: In this paper, the problem of finding a balance in a balance due to a time difference from the application of cost up to the definition of accounting results by approving the use application of a budget when a temporary balance subtracted by temporary allowance based on use application is more than a prescribed value, and at the time of defining the application, invalidating the temporary allowance and setting up a value subtracted based on the defined value as the balance of the budget.
Abstract: PROBLEM TO BE SOLVED: To solve the difference in a balance due to a time difference from the application of cost up to the definition of accounting results by approving the use application of a budget when a temporary balance subtracted by temporary allowance based on the use application is more than a prescribed value, and at the time of defining the application, invalidating the temporary allowance and setting up a value subtracted based on the defined value as the balance of the budget. SOLUTION: A temporary allowance means 2 calculates a balance subtracted by temporary allowance based on budget use application outputted from a client 9, and when the balance is more than the prescribed value, a judging means 3 approves the budget use application, and when a definition means 4 defines the temporary allowance, the value subtracted from the budget is set up as a balance. On the other hand, the means 2 sets up an application amount in a temporary allowance column for the budge in a budget results file 6 based on the budget use application from the client 9, calculates a balance by subtracting an actual amount and the temporary allowance from the budget, and when the temporary balance is more than the calculated prescribed value, the means 3 approves the budget use application. When the temporary allowance is defined, the means 4 adds a defined amount for returning the temporary allowance to the original amount to the actual amount and subtracts the actual amount from the budget to obtain the balance.
Patent•
Device for compensating allowance for cutting device

[...]

Michael Rosemann, Eberhard Kastrup, Fischer Jochen
15 Dec 1998
TL;DR: In this article, a device for compensating the allowance between two components, that are the cutting knife 3 and the cutting block 2 provided in a sewing machine so as to cut a buttonhole, is provided.
Abstract: PROBLEM TO BE SOLVED: To provide a device for a buttonhole sewing machine capable of compensating an allowance between a cutting knife and a cutting block. SOLUTION: This device for compensating the allowance between two components, that are the cutting knife 3 and the cutting block 2 provided in a sewing machine so as to cut a buttonhole, is provided. One of the components 2 and 3 is fixed and the other component can be settled on the fixed component by acting devices 4, 5 and 6 movable from an upper end part position to a lower end part position. At least one of the components 2 and 3 is spring elastically supported.
Journal Article•10.1007/BF02700904•
Study of parametric vibrations of a viscoelastic piezoelectric rod with allowance for geometric nonlinearity

[...]

V. A. Pyatetskii1, O. V. Karnaukhova1•
Taras Shevchenko National University of Kyiv1
01 Nov 1998-International Applied Mechanics
Journal Article•10.1016/S0007-8506(07)62809-1•
Minimization of Machining Allowance in Electrochemical Machining

[...]

Kamlakar P Rajurkar1, D. Zhu1, B. Wei2•
University of Nebraska–Lincoln1, General Electric2
01 Jan 1998-CIRP Annals
TL;DR: In this article, the authors focus on minimizing the material to be removed by predicting minimum machining allowance and improving the degree of localized dissolution in an industrial ECM system using pulse current with passivating electrolyte to mitigate sludge generation and improve accuracy.
Book Chapter•10.1093/oso/9780198540922.003.0008•
Thermal effects

[...]

M. J. Aitken
9 Jul 1998
TL;DR: Preheating and bleaching procedures raise OSL above the zero level, adversely affecting the effectiveness of zeroing.
Abstract: Abstract As has been indicated in earlier chapters, before dating measurements are made there is the need for preheating, at any rate with most samples. Besides the wanted effects of such preheating there are also unwanted effects which have relevance to the effectiveness of zeroing. These are now documented, prior to discussion of the preheating procedures and of electron-retention lifetimes. Discussion of photo transfer during shine-down is also included (Section 7.2.1) although it is not a thermal effect. Although OSL can be rapidly bleached to a very low level, this is not the end of the story-as has been mentioned several times earlier. Preheating has the effect of raising the observed OSL above that very low level even though there has been no dosing subsequent to the bleaching; an increase may also occur simply through storage at ambient temperature. Although lying dormant at the immediate conclusion of depositional bleaching this increase is effectively a ‘starting signal’, usually small in absolute terms, which vitiates the ideal of ‘zero OSL for zero age’. Obviously it is important for young samples rather than for old, and unless allowance can be made the evaluated age is liable to be significantly in excess, sometimes substantially; on the other hand for the majority of not-so-young samples it is barely significant. Transfer effects can also occur during bleaching, adversely affecting rapidity.
Journal Article•10.1016/s0967-0653(98)80941-1•
Oscillations of a viscous spheroidal drop with allowance for capillary forces

[...]

S. O. Shiryaeva
01 Jan 1998-Oceanographic Literature Review

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