Catalyst warm-up process monitoring device, system, and method for internal combustion engine, data analysis device, control device for internal combustion engine, and receiver

A catalyst warm-up process monitoring system for an internal combustion engine, the catalyst warm-up process monitoring system comprising:

• an execution device;
• and
• a storage device, wherein
• the catalyst warm-up process monitoring device is applied to an internal combustion engine in which a catalyst is arranged in an exhaust passage,
• the storage device is configured to store mapping data and association data, the mapping data defining a mapping that outputs an estimated value of a temperature of the catalyst using a warm-up operation amount variable and a previous value of an estimated value of a temperature of the catalyst as an input, the warm-up operation amount variable being a variable related to an operation amount of an operation unit of the internal combustion engine that is used for a warm-up process of the catalyst, and the association data associating an integrated value of an intake air amount of the internal combustion engine from the startup of the internal combustion engine and the temperature of the catalyst with each other, and
• the execution device is configured to execute:
• the warm-up process;
• an integrating process for calculating the integrated value;
• an acquiring process for acquiring the warm-up operation amount variable and the previous value of the estimated value of the temperature of the catalyst;
• a temperature calculation process for repeatedly calculating the estimated value of the temperature of the catalyst based on the output of the mapping in which the warm-up operation amount variable acquired by the acquiring process and the previous value are the input to the mapping;
• a determination process for determining that the warm-up process has an anomaly when a correspondence relationship between the integrated value and the estimated value is different from a correspondence relationship between the integrated value and the temperature of the catalyst in the association data;
• and
• a coping process for coping with the anomaly by operating a predetermined hardware when determined that the anomaly has occurred, wherein
• the execution device includes a first execution device and a second execution device,
• the first execution device is mounted on a vehicle and configured to execute:
• the acquiring process;
• a vehicle-side transmitting process for transmitting data acquired by the acquiring process to outside the vehicle;
• a vehicle-side receiving process for receiving a signal based on the estimated value calculated by the temperature calculation process;
• and
• the coping process, and
• the second execution device is disposed outside the vehicle and configured to execute:
• an external-side receiving process for receiving the data transmitted by the vehicle-side transmitting process;
• the temperature calculation process;
• and
• an external-side transmitting process for transmitting a signal based on the estimated value calculated by the temperature calculation process to the vehicle.

A data analysis device, comprising:

• a second execution device;
• and
• a storage device, wherein
• a first execution device, the second execution device, and the storage device configure a catalyst warm-up process monitoring system for an internal combustion engine,
• the catalyst warm-up process monitoring system is applied to an internal combustion engine in which a catalyst is arranged in an exhaust passage,
• the storage device is configured to store mapping data and association data, the mapping data defining a mapping that outputs an estimated value of a temperature of the catalyst using a warm-up operation amount variable and a previous value of an estimated value of a temperature of the catalyst as an input, the warm-up operation amount variable being a variable related to an operation amount of an operation unit of the internal combustion engine that is used for a warm-up process of the catalyst, and the association data associating an integrated value of an intake air amount of the internal combustion engine from the startup of the internal combustion engine and the temperature of the catalyst with each other, and
• the first execution device and the second execution device are configured to execute:
• the warm-up process;
• an integrating process for calculating the integrated value;
• an acquiring process for acquiring the warm-up operation amount variable and the previous value of the estimated value of the temperature of the catalyst
• a temperature calculation process for repeatedly calculating the estimated value of the temperature of the catalyst based on the output of the mapping in which the warm-up operation amount variable acquired by the acquiring process and the previous value are the input to the mapping;
• a determination process for determining that the warm-up process has an anomaly when a correspondence relationship between the integrated value and the estimated value is different from a correspondence relationship between the integrated value and the temperature of the catalyst in the association data;
• and
• a coping process for coping with the anomaly by operating a predetermined hardware when determined that the anomaly has occurred,
• the first execution device is mounted on a vehicle and configured to execute:
• the acquiring process;
• a vehicle-side transmitting process for transmitting data acquired by the acquiring process to outside the vehicle;
• a vehicle-side receiving process for receiving a signal based on the estimated value calculated by the temperature calculation process;
• and
• the coping process, and the second execution device is disposed outside the vehicle and configured to execute:
• an external-side receiving process for receiving the data transmitted by the vehicle-side transmitting process;
• the temperature calculation process;
• and
• an external-side transmitting process for transmitting a signal based on the estimated value calculated by the temperature calculation process to the vehicle.

A control device for an internal combustion engine, the control device comprising:

• a first execution device, wherein
• the first execution device, a second execution device, and a storage device configure a catalyst warm-up process monitoring system for an internal combustion engine,
• the catalyst warm-up process monitoring system is applied to an internal combustion engine in which a catalyst is arranged in an exhaust passage,
• the storage device is configured to store mapping data and association data, the mapping data defining a mapping that outputs an estimated value of a temperature of the catalyst using a warm-up operation amount variable and a previous value of an estimated value of a temperature of the catalyst as an input, the warm-up operation amount variable being a variable related to an operation amount of an operation unit of the internal combustion engine that is used for a warm-up process of the catalyst, and the association data associating an integrated value of an intake air amount of the internal combustion engine from the startup of the internal combustion engine and the temperature of the catalyst with each other, and
• the first execution device and the second execution device are configured to execute:
• the warm-up process;
• an integrating process for calculating the integrated value;
• an acquiring process for acquiring the warm-up operation amount variable and the previous value of the estimated value of the temperature of the catalyst a temperature calculation process for repeatedly calculating the estimated value of the temperature of the catalyst based on the output of the mapping in which the warm-up operation amount variable acquired by the acquiring process and the previous value are the input to the mapping;
• a determination process for determining that the warm-up process has an anomaly when a correspondence relationship between the integrated value and the estimated value is different from a correspondence relationship between the integrated value and the temperature of the catalyst in the association data;
• and
• a coping process for coping with the anomaly by operating a predetermined hardware when determined that the anomaly has occurred,
• the first execution device is mounted on a vehicle and configured to execute:
• the acquiring process;
• a vehicle-side transmitting process for transmitting data acquired by the acquiring process to outside the vehicle;
• a vehicle-side receiving process for receiving a signal based on the estimated value calculated by the temperature calculation process;
• and
• the coping process, and
• the second execution device is disposed outside the vehicle and configured to execute:
• an external-side receiving process for receiving the data transmitted by the vehicle-side transmitting process;
• the temperature calculation process;
• and
• an external-side transmitting process for transmitting a signal based on the estimated value calculated by the temperature calculation process to the vehicle.

A method for monitoring a catalyst warm-up process for an internal combustion engine executed by an execution device and a storage device, wherein the method is applied to an internal combustion engine including a catalyst disposed in an exhaust passage, the method comprising:

• storing mapping data and association data with the storage device, the mapping data defining a mapping that outputs an estimated value of a temperature of the catalyst using a warm-up operation amount variable and a previous value of an estimated value of a temperature of the catalyst as an inputs, the warm-up operation amount variable being a variable related to an operation amount of an operation unit of the internal combustion engine that is used for a warm-up process of the catalyst, and the association data associating an integrated value of an intake air amount of the internal combustion engine from the startup of the internal combustion engine and the temperature of the catalyst with each other;
• calculating the integrated value with the execution device;
• acquiring the warm-up operation amount variable, and the previous value of the estimated value of the temperature of the catalyst;
• repeatedly calculating the estimated value of the temperature of the catalyst based on the output of the mapping using the acquired warm-up operation amount variable and the previous value as the input to the mapping;
• determining that the warm-up process has an anomaly when a correspondence relationship between the integrated value and the estimated value is different from a correspondence relationship between the integrated value and the temperature of the catalyst in the association data;
• and
• coping with the anomaly by operating a predetermined hardware when determined that the anomaly has occurred.