METHOD AND SYSTEM FOR CONTROLLING AN ENGINE
First Claim
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1. A method for controlling an engine following an automatic engine shut-down request comprising:
- preventing restarting of an engine after starting to automatically stop the engine in response to an operator change of mind to restart the engine when a rotational speed of the engine is within a predetermined speed range in which resonance of an engine related component occurs.
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Abstract
A method and system for dealing with a change of mind event during an automatic shut-down of an engine 6 having a dual mass flywheel 8 is provided that reduces or eliminates the risk of excessive dual mass resonance during a restart of the engine 6 is disclosed.
13 Citations
20 Claims
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1. A method for controlling an engine following an automatic engine shut-down request comprising:
preventing restarting of an engine after starting to automatically stop the engine in response to an operator change of mind to restart the engine when a rotational speed of the engine is within a predetermined speed range in which resonance of an engine related component occurs. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A system for controlling the operation of an engine following an automatic engine shut-down request, comprising:
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an engine; an engine related component; and an electronic control unit including instructions stored in a non-transitory medium to prevent restarting of the engine after an automatic engine shut-down request in response to an operator change of mind when a rotational speed of the engine is within a predetermined speed range in which resonance of the engine related component occurs. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17)
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18. A method for controlling an engine following an automatic engine shut-down request comprising:
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preventing restarting of an engine after starting to automatically stop the engine in response to an operator change of mind to restart the engine when a rotational speed of the engine is within a predetermined speed range in which resonance of an engine related component occurs; and adjusting a throttle to a position based on engine speed in response to an operator change of mind while the rotational speed of the engine is within the predetermined speed range. - View Dependent Claims (19, 20)
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Specification