Boots – shoes – and leggings
Patent
1996-08-27
1998-03-10
Hafiz, Tariq R.
Boots, shoes, and leggings
395 51, 395 61, 364148, G06G 700
Patent
active
057271267
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
To ensure the best possible operating behavior of an overall system, it is advisable for a respective circuit belonging to the overall system to be matched to the rest of the overall system. If the rest of the overall system then changes, for example due to ageing, wear or else because the rest of the overall system has characteristics which differ on account of a varied range of types, operating behavior is generally no longer at an optimum.
U.S. Pat. No. 5,259,063 discloses a self-programming circuit in which a processing unit with an electrically erasable and electrically programmable read-only memory (EEPROM), a classification unit in the form of a central processor and an interface unit are provided, the processing unit reading out processing information from the read-only memory, in which circuit input values and/or internal values are processed in the classification unit to give classification results, the input values of the circuit also representing input values of the self-programming processing unit, and in which circuit an interface unit is provided in such a way that from one of the classification results there is generated at least one EEPROM address and at least one EEPROM datum (ED) and the read-only memory (EEPROM) is programmed therewith.
Furthermore, German Offenlegungsschrift 39 11 186 A1 discloses an independent classification unit in the form of a fuzzy assessment device, to which the input and output values of the self-setting circuit 1 are fed in the form of a difference, and which determines from the classification results new control constants on the basis of fuzzy rules, provided that an external enabling signal is present.
Furthermore, the journal Elektronik 4/1986, pages 79 to 83, discloses a controller which adapts itself to the ageing of its connected hardware by automatic reprogramming and in which a programmable memory with a processing unit is integrated on a chip.
SUMMARY OF THE INVENTION
The object on which the invention is based is thus that of specifying a circuit which is able to detect the above-mentioned changes, assess them and change its characteristics correspondingly in order to adapt itself better to the changed external circumstances and, as a result, achieve more optimum control properties or faster processing.
In general terms the present invention is a self-programming circuit. The circuit has a processing unit with an electrically erasable and electrically programmable read-only memory (EEPROM), a classification unit and an interface unit. The processing unit reads out processing information from the read-only memory. Input values and/or internal values and/or output values of the processing unit are processed in the classification unit to produce classification results. The input values and/or the output values of the processing unit also represent corresponding values of the self-programming circuit. An interface unit is provided such that from one of the classification results there is generated at least one EEPROM address and at least one EEPROM datum and the read-only memory (EEPROM) is programmed therewith, if an external enabling signal is present. The processing unit has a fuzzy controller with a knowledge base memory that contains the read-only memory (EEPROM). The classification unit forms the classification results from the input values and/or internal values and/or output values on the basis of a linguistic protocol, as in the case of fuzzy controllers, using IF-THEN rules. The input values are assigned to linguistic values of the respective input variables. The linguistic values of the input variables are logically combined with the linguistic values of the output variables, using the linguistic protocol. The linguistic values of an output variable are assigned to the classification results. The read-only memory (EEPROM) is programmed such that, using an EEPROM address, one of at least two alternative association functions is selected for the input variable and/or the output variable.
A major advantage of the in
REFERENCES:
patent: 5229946 (1993-07-01), Ghaem
patent: 5259063 (1993-11-01), Salazar
Eichfeld Herbert
Lederle Reiner
Hafiz Tariq R.
Rhodes Jason W.
Siemens Aktiengesellschaft
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