SHIFT RANGE SWITCHING CONTROL SYSTEM AND METHOD FOR AUTOMATIC TRANSMISSION OF VEHICLE
First Claim
1. A shift range switching control system for an automatic transmission of a vehicle having a shift range switching mechanism for switching a shift range of the automatic transmission to a plurality of ranges, which includes a parking range, a neutral range and a travel range, and an electric actuator for actuating the shift range switching mechanism, the shift range switching control system comprising:
- control means configured to drive the electric actuator in response to a shift range switching command applied to command a shift range switching and controlling the shift range of the automatic transmission to the shift range corresponding to the shift range switching command;
check means configured to check whether a driver of the vehicle is in a predetermined condition indicating noncompliance for vehicle driving; and
switching inhibition means configured to inhibit the control means from implementing the shift range switching to the travel range that allows travel of the vehicle, if the check means determines that the driver is in the predetermined condition when a motive power source of the vehicle is started.
1 Assignment
0 Petitions
Accused Products
Abstract
In a shift-by-wire type shift range switching control system for an automatic transmission of a vehicle, an alcohol reaction indicated by alcohol concentration in sweat of a driver is checked when an engine of a vehicle is started. If alcohol reaction is detected, a switching inhibit/permit flag is set to “inhibit” so that the shift range switching in the automatic transmission from the parking range to any other ranges and from the neutral range to any travel ranges is inhibited. If the alcohol reaction is detected when the vehicle is in travel, the vehicle is automatically braked to stop and the shift range is to automatically switched from the travel range to the parking range.
30 Citations
30 Claims
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1. A shift range switching control system for an automatic transmission of a vehicle having a shift range switching mechanism for switching a shift range of the automatic transmission to a plurality of ranges, which includes a parking range, a neutral range and a travel range, and an electric actuator for actuating the shift range switching mechanism, the shift range switching control system comprising:
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control means configured to drive the electric actuator in response to a shift range switching command applied to command a shift range switching and controlling the shift range of the automatic transmission to the shift range corresponding to the shift range switching command; check means configured to check whether a driver of the vehicle is in a predetermined condition indicating noncompliance for vehicle driving; and switching inhibition means configured to inhibit the control means from implementing the shift range switching to the travel range that allows travel of the vehicle, if the check means determines that the driver is in the predetermined condition when a motive power source of the vehicle is started. - View Dependent Claims (2, 3, 4, 5)
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6. A shift range switching control system for an automatic transmission of a vehicle having a shift range switching mechanism for switching a shift range of the automatic transmission to a plurality of ranges, which includes a parking range, a neutral range and a travel range, and an electric actuator for actuating the shift range switching mechanism, the shift range switching control system comprising:
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control means configured to drive the electric actuator in response to a shift range switching command applied to command a shift range switching and controlling the shift range of the automatic transmission to the shift range corresponding to the shift range switching command; check means configured to check whether a driver of the vehicle is in a predetermined condition indicating noncompliance for vehicle driving; and switching inhibition means configured to inhibit the control means from implementing the shift range switching to the travel range that allows travel of the vehicle, if the check means determines that the driver is in the predetermined condition when the shift range of the automatic transmission is in the parking range. - View Dependent Claims (7, 8, 9, 10)
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11. A shift range switching control system for an automatic transmission of a vehicle having a shift range switching mechanism for switching a shift range of the automatic transmission to a plurality of ranges, which includes a parking range, a neutral range and a travel range, and an electric actuator for actuating the shift range switching mechanism, the shift range switching control system comprising:
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control means configured to drive the electric actuator in response to a shift range switching command applied to command a shift range switching and controlling the shift range of the automatic transmission to the shift range corresponding to the shift range switching command; check means configured to check whether a driver of the vehicle is in a predetermined condition indicating noncompliance for vehicle driving; and switching inhibition means configured to inhibit the control means from implementing the shift range switching to a shift range other than the parking range, if the check means determines that the driver is in the predetermined condition when the shift range of the automatic transmission is in the neutral range. - View Dependent Claims (12, 13, 14, 15, 16)
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17. A shift range switching control system for an automatic transmission of a vehicle having a shift range switching mechanism for switching a shift range of the automatic transmission to a plurality of ranges, which includes a parking range, a neutral range and a travel range, and an electric actuator for actuating the shift range switching mechanism, the shift range switching control system comprising:
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control means configured to drive the electric actuator in response to a shift range switching command applied to command a shift range switching and controlling the shift range of the automatic transmission to the shift range corresponding to the shift range switching command; check means configured to check whether a driver of the vehicle is in a predetermined condition indicating noncompliance for vehicle driving; and travel inhibition means configured to drive the electric actuator for switching the shift range to the neutral range automatically and to inhibit the control means from implementing switching of the shift range to the travel range that allows travel of the vehicle in response to the shift range switching command, if the check means determines that the driver is in the predetermined condition when the shift range of the automatic transmission is in the travel range that is other than the parking range and the neutral range and allows travel of the vehicle. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24)
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25. A shift range switching control method for an automatic transmission of a vehicle having a shift range switching mechanism for switching a shift range of the automatic transmission to a plurality of ranges, which includes a parking range, a neutral range and a travel range, and an electric actuator for actuating the shift range switching mechanism, the shift range switching control method comprising:
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checking whether a driver of the vehicle is in a predetermined condition indicating noncompliance for vehicle driving under a condition that a motive power source of the vehicle is operated; permitting the shift range switching mechanism to switch the shift range of the automatic transmission in response to a shift range switching command of the driver, when a result of the checking indicates that the driver is not in the predetermined condition; and inhibiting travel of the vehicle while permitting the engine to continue to operate, when a result of the checking indicates that the driver is in the predetermined condition. - View Dependent Claims (26, 27, 28, 29, 30)
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Specification