# US 10,503,866 B2 · Time-discrete modeling method for a motor vehicle > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,503,866 B2 - Document ID: US10503866B2 - Status: Granted - Kind: B2 - Application number: 15/601,399 - Filed: 2017-05-22 - Published: 2017-09-14 - Granted: 2019-12-10 - Earliest claimed: 2014-12-08 - Assignees: Bayerische Motoren Werke Aktiengesellschaft - Applicants: Bayerische Motoren Werke Aktiengesellschaft - Inventors: Jonas Mueller; Felix Lins - Web page: https://patentgrep.com/patent/US10503866B2 ## CPC - G06F 30/15: Vehicle, aircraft or watercraft design - G06F 30/20: Design optimisation, verification or simulation (optimisation, verification or simulation of circuit designs G06F30/30) - B60W 50/0097: {Predicting future conditions} - B60W 2050/0018: {Method for the design of a control system} - B60W 2050/0031: {Mathematical model of the vehicle} - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - B60W: CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT ## Abstract A universal modeling method is provided for a motor vehicle, the universal modeling method including: providing an input signal set, the input signal set comprising those signals of respective sensors of the motor vehicle which can be relevant for the control of devices of the motor vehicle; selecting a set of modeling signals from the input signal set as a function of a system architecture of the motor vehicle; and determining an output signal set by way of a time-discrete selective state space model modeling function taking into account the set of modeling signals. In this case, the output signal set functions as a signal set for controlling corresponding actuators of the devices of the motor vehicle. ## Claims ### Claim 1 A universal modeling method for a motor vehicle, the universal modeling method comprising the acts of: providing an input signal set, the input signal set having those signals of applicable sensors of the motor vehicle that may be relevant for controlling apparatuses of the motor vehicle; selecting a modeling signal set from the input signal set, on the basis of a system architecture of the motor vehicle; and determining an output signal set by way of a time-discrete selective state space model modeling function taking into consideration the modeling signal set, wherein the output signal set acts as an electrical signal configured to actuate applicable actuators of the apparatuses of the motor vehicle wherein the input signal set has a zero signal; and wherein the selection of the modeling signal set from the input signal set comprises: zeroing of those signals from the input signal set that are not needed for the modeling signal set, wherein the zeroing is effected by way of the zero signal such that the signals from the input signal set that are not needed for the modeling signal set correspond to the value of the zero signal. ### Claim 2 (depends on 1) The universal modeling method as claimed in claim 1, wherein the state space model modeling function has a motor vehicle mode function, and wherein the universal modeling method further comprising the acts of: determining a motor vehicle mode of the motor vehicle for the motor vehicle mode function, wherein the determining of the output signal set is effected taking into consideration a result of application of the modeling signal set to the motor vehicle mode function. ### Claim 3 (depends on 2) The universal modeling method as claimed in claim 2, wherein the state space model modeling function further has a reference system function that corresponds to a motor-vehicle-specific reference system of the motor vehicle, and the determining of the output signal set is effected taking into consideration a result of application of the modeling signal set to the reference system function. ### Claim 4 (depends on 3) The universal modeling method as claimed in claim 3, wherein the state space model modeling function further has an observer system that has an estimated system response of the motor vehicle, and the determining of the output signal set is effected taking into consideration a result of application of the modeling signal set to the observer system. ### Claim 5 (depends on 4) The universal modeling method as claimed in claim 4, wherein the determining of the output signal set involves application of: (i) a result of the application of the modeling signal set to the motor vehicle mode function, (ii) a result of the application of the modeling signal set to the reference system function, and (iii) a result of the application of the modeling signal set to the observer system, to a control function, and wherein the control function acts as part of the discrete-time selective state space model modeling function. ### Claim 6 (depends on 5) The universal modeling method as claimed in claim 5, wherein the modeling signal set for the determining of the result of the application of the modeling signal set to the motor vehicle mode function has a difference from the modeling signal set for the determining of the result of the application of the modeling signal set to the time-discrete selective state space model modeling function, by way of a different selection of the signals from the input signal set for the respective modeling signal set. ### Claim 7 (depends on 2) The universal modeling method as claimed in claim 2, wherein the determining of the motor vehicle mode is effected by way of an association table of the system architecture of the motor vehicle. ### Claim 8 (depends on 1) The universal modeling method as claimed in claim 1, wherein the state space model modeling function further has a reference system function that corresponds to a motor-vehicle-specific reference system of the motor vehicle, and the determining of the output signal set is effected taking into consideration a result of application of the modeling signal set to the reference system function. ### Claim 9 (depends on 1) The universal modeling method as claimed in claim 1, wherein the state space model modeling function further has an observer system that has an estimated system response of the motor vehicle, and the determining of the output signal set is effected taking into consideration a result of application of the modeling signal set to the observer system. ### Claim 10 (depends on 9) The universal modeling method as claimed in claim 9, wherein the observer system has a physical system description of the motor vehicle. ### Claim 11 A universal modeling method for a motor vehicle, the universal modeling method comprising the acts of: providing an input signal set, the input signal set having a zero signal and those signals of applicable sensors of the motor vehicle that may be relevant for controlling apparatuses of the motor vehicle; selecting a modeling signal set from the input signal set, on the basis of a system architecture of the motor vehicle; and determining an output signal set by way of a time-discrete selective state space model modeling function taking into consideration the modeling signal set, wherein the output signal set acts as a signal configured to actuate applicable actuators of the apparatuses of the motor vehicle, wherein selecting the modeling signal set from the input signal set comprises zeroing of those signals from the input signal set that are not needed for the modeling signal set, wherein the zeroing is effected by way of the zero signal such that the signals from the input signal set that are not needed for the modeling signal set correspond to the value of the zero signal.