Spark timing control system for a vehicle-driving internal combustion engine

A spark timing control system for reducing vehicle vibration, comprising:

• detection means for detecting at least one parameter of an engine;
• vehicle vibration detecting means for detecting a vibration of a vehicle in a longitudinal direction with respect to said vehicle;
• target vehicle vibration value calculating means for calculating a variable target vehicle vibration based on at least one of said detected vehicle vibration and at least one of said detected engine parameters;
• error signal generating means for generating an error signal based on a comparison of said detected vehicle vibration to said target vehicle vibration;
• control quantity setting means for determining a spark timing control quantity based on said error signal;
• and
• spark timing control means for controlling said spark timing in accordance with said control quantity so that said detected vehicle vibration follows said target vehicle vibration.

A spark timing control system, comprising:

• detecting means for detecting at least one parameter of an engine;
• means for detecting an actual acceleration of a vehicle;
• means for calculating a variable target acceleration of said vehicle based on at least one of said actual acceleration and at least one of said detected engine parameters;
• error signal generating means for generating an error signal based on a comparison of said detected actual acceleration to said target acceleration;
• control quantity setting means for determining a spark timing control quantity based on said error signal;
• and
• spark timing control means for controlling spark timing in accordance with said control quantity so that actual acceleration follows said target acceleration.

An engine torque control system for reducing vehicle vibration, comprising:

• detection means for detecting a least one parameter on an engine;
• vehicle vibration detecting means for detecting a vibration of a vehicle in a longitudinal direction with respect to said vehicle;
• target vehicle vibration value calculating means for calculating a target vehicle vibration based on at least one of said detected vehicle vibration and at least one of said detected engine parameters;
• error signal generating mean for generating an error signal based on a comparison of said detected vehicle vibration to said target vehicle vibration;
• gain selecting means for selecting a gain based on at least one of said detected engine parameters, said gain representing a proportional amount by which said error signal influences spark timing control;
• control quantity setting means for determining a torque control quantity based on said error signal as modified by said selected gain;
• and
• torque control means for controlling said engine torque in accordance with said torque control quantity.

A torque control system for reducing vehicle vibration, comprising:

• detection means for detecting at least one parameter of an engine;
• vehicle vibration detecting means for detecting a vibration of a vehicle in a longitudinal direction with respect to said vehicle;
• target vehicle vibration value calculating means for calculating a variable target vehicle vibration based on at least one of said detected vehicle vibration and at least one of said detected engine parameters;
• error signal generating means for generating an error signal based on a comparison of said detected vehicle vibration to said target vehicle vibration;
• control quantity setting means for determining a torque control quantity based on said error signal;
• and
• torque control means for controlling the engine torque in accordance with said torque control quantity so that said detected engine vehicle vibration follows said target vehicle vibration.

A torque control system for reducing vehicle vibration, comprising:

• detecting means for detecting at least one parameter of an engine;
• means for detecting an actual acceleration of a vehicle;
• means for calculating a target acceleration of said vehicle based on at least one of said actual acceleration and at least one of said detected engine parameters;
• error signal generating means for generating an error signal based on a comparison of said actual acceleration to said target acceleration;
• control quantity setting means for determining a torque control quantity based on said error signal;
• and
• torque control means for controlling engine torque in accordance with said torque control quantity so that said actual acceleration follows said target acceleration.

A spark timing control system for reducing vehicle vibration, comprising:

• detection means for detecting at least one engine parameter;
• vehicle vibration detecting means for detecting a vibration of a vehicle in a longitudinal direction with respect to said vehicle;
• gain selecting means for selecting a gain based on at least one of said detected engine parameters, said gain representing a proportional amount by which said detected vehicle vibration influences spark timing control;
• control quantity setting means for determining a spark timing control quantity based on said detected vehicle vibration as modified by said selected gain;
• and
• spark timing control means for controlling spark timing in accordance with said spark timing control quantity.

A spark timing control system for reducing vehicle vibration, comprising:

• detection means for detecting at least one parameter of an engine;
• vehicle vibration detecting means for detecting a vibration of a vehicle in a longitudinal direction with respect to said vehicle;
• target vehicle vibration value calculating means for calculating a variable target vehicle vibration based on at least one of said detected vehicle vibration and at least one of said detected engine parameters;
• and
• spark timing control means for controlling spark timing in accordance with said detected vehicle vibration and said variable target vehicle vibration so that said detected vehicle vibration follows said target vehicle vibration.

A spark timing control system, comprising:

• detecting means for detecting at least one parameter of an engine;
• means for detecting an actual acceleration of a vehicle;
• means for calculating a variable target acceleration of said vehicle based on at least one of said actual acceleration and at least one of said detected engine parameters;
• and
• spark timing control means for controlling spark timing in accordance with said actual acceleration and said variable target acceleration so that said actual acceleration follows said target acceleration.

A torque control system for reducing vehicle vibration, comprising:

• detecting means for detecting at least one engine parameter;
• vehicle vibration detecting means for detecting a vibration of a vehicle in a longitudinal direction with respect to said vehicle;
• gain selecting means for selecting a gain based on at least one of said detected engine parameters, said gain representing a proportional amount by which said detected vehicle vibration influences spark timing control;
• control quantity setting means for determining a torque control quantity based on said detected vehicle vibration as modified by said selected gain;
• and
• torque control means for controlling engine torque in accordance with said torque control quantity.

A torque control system for reducing vehicle vibration, comprising:

• detection means for detecting at least one parameter of an engine;
• vehicle vibration detecting means for detecting a vibration of a vehicle in a longitudinal direction with respect to said vehicle;
• target vehicle vibration value calculating means for calculating a variable target vehicle vibration based on at least one of said detected vehicle vibration and at least one of said detected engine parameters;
• and
• torque control means for controlling engine torque in accordance with said detected vehicle vibration and said variable target vehicle vibration so that said detected vehicle vibration follows said target vehicle vibration.

A torque control system, comprising:

• detecting means for detecting at least one parameter of an engine;
• means for detecting an actual acceleration of a vehicle;
• means for calculating a variable target acceleration of said vehicle based on at least one of said actual acceleration and at least one of said detected engine parameters;
• and
• torque control means for controlling engine torque in accordance with said actual acceleration and said variable target acceleration so that said actual acceleration follows said target acceleration.

A system for controlling a vehicle driven by a spark-ignition engine, the system comprising:

• detecting means for detecting at least one parameter of an engine;
• means for detecting an actual acceleration of a vehicle;
• means for determining a target acceleration of said vehicle based on at least one of said detected actual acceleration and at least one of said detected engine parameters;
• means for determining a first calculation component of a desired spark timing in response to said detected signal acceleration;
• means for determining a second calculation component of said desired spark timing in response to a previous desired spark timing;
• means for determining a third calculation component of said desired spark timing in response to a difference between said detected actual acceleration and said determined target acceleration;
• means for determining said desired spark timing based on said first, second, and third calculation components;
• and
• means for controlling an actual spark timing of said engine in accordance with said desired spark timing.