Simulator computer

Claim 1

The method of simulating the operation of a machine having complex operating characteristics, said method comprising the steps of: a. creating a first set of mathematical expressions which represents the operation of said machine as coefficients which are functions of independent variables; b. creating a second set of mathematical expressions in which address indicators are expressed as functions of said independent variables; c. storing in a simulator computer a plurality of previously computed values for said coefficients with the corresponding values of said address indicators serving as addresses therefor; d. generating in said simulator quantities representative of the total machIne environmental condition at any given time; e. using said quantities in the simulator computer to compute by means of said second set of mathematical expressions values of said address indicators as functions of the quantities representing the total environmental condition of the machine at that time; f. retrieving from storage the values of said coefficients which correspond to the simulator computed values of said address indicators; g. using in said simulator computer the retrieved values of said coefficients to compute by means of said first set of expressions new values of said independent variables; and h. generating from said computer new values of said independent variable signals which cause said simulator to simulate the operation of said machine under the same total machine environmental condition and to create new values for said address indicators.

Claim 2

The method of simulating the operation of a machine having complex operating characteristics, said method comprising the steps of: a. creating a first set of mathematical expressions which represents the operation of said machine as coefficients which are functions of independent variables; b. creating a second set of mathematical expressions in which address indicators are expressed as functions of said independent variables; c. storing in a simulator computer a plurality of previously computed values for said coefficients with the corresponding values of said address indicators serving as addresses therefor; d. generating in said simulator quantities representative of the total machIne environmental condition at any given time; e. using said quantities in the simulator computer to compute by means of said second set of mathematical expressions values of said address indicators as functions of the quantities representing the total environmental condition of the machine at that time; f. retrieving from storage the values of said coefficients which correspond to the simulator computed values of said address indicators; g. using in said simulator computer the retrieved values of said coefficients to compute by means of said first set of expressions new values of said independent variables; and h. generating from said computer new values of said independent variable signals which cause said simulator to simulate the operation of said machine under the same total machine environmental condition and to create new values for said address indicators.

Claim 3

The method of simulating the operation of a machine having complex operating characteristics, said method comprising the steps of: a. creating a first set of mathematical expressions which represents the operation of said machine as coefficients which are functions of independent variables; b. creating a second set of mathematical expressions in which address designators are expressed as functions of said independent variables; c. computing by said first and second sets of expressions values of said coefficients and corresponding address designators from selected values of said independent variables throughout the operating ranges of said machine; d. storing said computed values of said coefficients in a simulator computer with the corresponding values of said address designators serving as addresses therefore; e. generating by means of said simulator values which represent the condition of said machine and its environment at any given time; f. computing in said simulator computer by said second set of expressions values of address designators as functions of those values which represent the condition of the machine and its environment at the time; g. retrieving from storage the values of said coefficients which correspond to the simulator computed values of said address designators; h. using said retrieved values of said coefficients in said simulator computer to compute by said first set of expressions values of said independent variables; and i. generating from said computed values of said independent variables signals which cause said simulator to simulate the operation of said machine under the same machine and environmental conditions and create new values for said address designators.

Claim 4

The method of simulating the operation of a machine having complex operating characteristics, said method comprising the steps of: a. creating a first set of mathematical expressions which represents the operation of said machine as coefficients which are functions of independent variables; b. creating a second set of mathematical expressions in which address designators are expressed as functions of said independent variables; c. computing by said first and second sets of expressions values of said coefficients and corresponding address designators from selected values of said independent variables throughout the operating ranges of said machine; d. storing said computed values of said coefficients in a simulator computer with the corresponding values of said address designators serving as addresses therefore; e. generating by means of said simulator values which represent the condition of said machine and its environment at any given time; f. computing in said simulator computer by said second set of expressions values of address designators as functions of those values which represent the condition of the machine and its environment at the time; g. retrieving from storage the values of said coefficients which correspond to the simulator computed values of said address designators; h. using said retrieved values of said coefficients in said simulator computer to compute by said first set of expressions values of said independent variables; and i. generating from said computed values of said independent variables signals which cause said simulator to simulate the operation of said machine under the same machine and environmental conditions and create new values for said address designators.

Claim 5

The method of simulating the operation of a machine having complex operating characteristics, said method comprising the steps of: a. creating mathematical expressions which represent the operation of said machine as functions of primary variables, said mathematical expressions including primary variables as function of coefficients and secondary variables, the values of which primary variables change with changes in the control and ambient conditions of said machine throughout its ranges of operation, the values of which secondary variables change with changes in the values of said primary variables; b. storing in a simulator computer the various values of said coefficients over the operating ranges of said machine at addresses which are the corresponding values of said secondary variables; c. generating in said simulator values of said secondary variables from control and ambient conditions of said simulator; d. using said generated values of said secondary variables to retrieve from storage the corresponding values of said coefficients; e. generating values of simulated primary variables from the retrieved values of said coefficients; and f. using said computed values of said primary variables to produce control and indication signals for said simulator and for computing new values for said secondary variables.

Claim 6

The method of simulating the operation of a machine having complex operating characteristics, said method comprising the steps of: a. creating mathematical expressions which represent the operation of said machine as functions of primary variables, said mathematical expressions including primary variables as function of coefficients and secondary variables, the values of which primary variables change with changes in the control and ambient conditions of said machine throughout its ranges of operation, the values of which secondary variables change with changes in the values of said primary variables; b. storing in a simulator computer the various values of said coefficients over the operating ranges of said machine at addresses which are the corresponding values of said secondary variables; c. generating in said simulator values of said secondary variables from control and ambient conditions of said simulator; d. using said generated values of said secondary variables to retrieve from storage the corresponding values of said coefficients; e. generating values of simulated primary variables from the retrieved values of said coefficients; and f. using said computed values of said primary variables to produce control and indication signals for said simulator and for computing new values for said secondary variables.

Claim 10

The method of simulating a machine having complex operating characteristics, said method comprising the steps of: a. creating mathematical expressions which represent the operation of said machine as functions of primary independent variables, the values of which primary independent variables change with changes in the control and ambient conditions of said machine throughout its ranges of operation, said mathematical expressions including secondary independent variables and dependent coefficients; b. reducing at least some of said mathematical expressions to expressions in which said primary variables are functions of a small number of secondary independent variables; c. selecting values of said dependent coefficients and computing values of said secondary independent variables from those values of said primary independent variables which correspond to the conditions represented by the selected values of said coefficients; d. comparing said selected values of said dependent coefficients with corresponding values of said dependent coefficients obtained under the same selected operating conditions of the actual machine being simulated, and modifying when necessary said expressions to achieve close correspondence between two said two sets of dependent coefficients; e. storing in a simulator the various values of said coefficients over the operating ranges of said machine at addresses represented by corresponding values of said secondary independent variables; f. generating in said simulator values of said secondary independent variables from control and ambient conditions of said simulator; g. using said generated values of said secondary independent variables to withdraw from storage the corresponding values of said dependent coefficients; h. using said withdrawn values of said coefficients in further computations to generate values of simulated primary independent variables; and i. using said computed values of said primary independent variables to produce control and indication signals for said simulator and for computing new values for said secondary independent variables.

Claim 11

The method of simulating a machine having complex operating characteristics, said method comprising the steps of: a. creating mathematical expressions which represent the operation of said machine as functions of primary independent variables, the values of which primary independent variables change with changes in the control and ambient conditions of said machine throughout its ranges of operation, said mathematical expressions including secondary independent variables and dependent coefficients; b. reducing at least some of said mathematical expressions to expressions in which said primary variables are functions of a small number of secondary independent variables; c. selecting values of said dependent coefficients and computing values of said secondary independent variables from those values of said primary independent variables which correspond to the conditions represented by the selected values of said coefficients; d. comparing said selected values of said dependent coefficients with corresponding values of said dependent coefficients obtained under the same selected operating conditions of the actual machine being simulated, and modifying when necessary said expressions to achieve close correspondence between two said two sets of dependent coefficients; e. storing in a simulator the various values of said coefficients over the operating ranges of said machine at addresses represented by corresponding values of said secondary independent variables; f. generating in said simulator values of said secondary independent variables from control and ambient conditions of said simulator; g. using said generated values of said secondary independent variables to withdraw from storage the corresponding values of said dependent coefficients; h. using said withdrawn values of said coefficients in further computations to generate values of simulated primary independent variables; and i. using said computed values of said primary independent variables to produce control and indication signals for said simulator and for computing new values for said secondary independent variables.