Adaptive control system
First Claim
1. An adaptive control system providing an output signal in response to the reception, during a measurement interval, of a first input signal and a second input signal, the system comprising:
- means for quantizing said first and said second input signals, each of said input signals being quantized into a plurality of ranges of values;
first and second sets of integrators corresponding to first and second ranges of values of said first input signal, individual ones of said integrators in each of said sets corresponding to respective ranges of values of said second input signal;
means for selecting one of said integrators corresponding to the joint occurrence, within said measurement interval, of a specific value range of said first input signal and a specific value range of said second input signal;
means for incrementing the amount of data stored in said one integrator upon said joint occurrence in the ranges of values of said first and said second input signals; and
means for generating said output signal, said generating means being activated by said one integrator in response to the data stored therein.
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Abstract
An adaptive control system incorporating self-teaching and self-programming features senses a pair of input signals for providing an output control signal. In a medical situation, the output signal drives a medicine delivery system in response to the sensing of a precursor signal and a condition signal which represent the future and the present states of a patient'"'"'s health. Memory is provided in the form of a set of integrators which accumulate quantities of data representing the joint occurrence, during a measurement interval, of the precursor and the condition signals as quantized into preset ranges of values. Generation of the output signal is based on the amount of stored data as well as on the presence of a condition signal indicating a hazardous condition. Circuitry is provided for the selective incrementing and decrementing of the contents of the integrators in a manner analogous to the encouragement and punishment in a learning process.
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Citations
26 Claims
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1. An adaptive control system providing an output signal in response to the reception, during a measurement interval, of a first input signal and a second input signal, the system comprising:
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means for quantizing said first and said second input signals, each of said input signals being quantized into a plurality of ranges of values; first and second sets of integrators corresponding to first and second ranges of values of said first input signal, individual ones of said integrators in each of said sets corresponding to respective ranges of values of said second input signal; means for selecting one of said integrators corresponding to the joint occurrence, within said measurement interval, of a specific value range of said first input signal and a specific value range of said second input signal; means for incrementing the amount of data stored in said one integrator upon said joint occurrence in the ranges of values of said first and said second input signals; and means for generating said output signal, said generating means being activated by said one integrator in response to the data stored therein. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A system for the monitoring of the condition of a patient'"'"'s health comprising:
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means for sensing a precursor signal indicative of a future condition of the patient'"'"'s health; means for sensing a condition signal indicative of the present state of the patient'"'"'s health; means coupled to said precursor and said condition sensing means for storing individual ranges of values of said precursor signal occurring during an abnormal health condition; means coupled to said storing means for incrementing a quantity of stored data upon successive occurrences of any one of said value ranges of said precursor signal; repetition means for signaling a repetition of occurrence of any one of said value ranges of said precursor signal, said repetition means being coupled to said incrementing means for decrementing said quantity of stored data corresponding to any of said value ranges wherein a repetition has occurred in said precursor signal; and generating means coupled to said storing means and said condition sensing means for generating an output signal, suitable for the activation of medicine delivery equipment, in response to the presence of stored data and the presence of an abnormal health condition. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26)
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Specification