Abstract: A vehicle system for a vehicle that implements a line lock mode to vehicle wheels for creating a line lock includes a motor, an instrument panel and a controller. The motor provides drive torque to at least one wheel of the vehicle wheels for propelling the vehicle. The vehicle wheels include a left and right rear wheels and left and right front wheels. The instrument panel cluster is configured to display a user interface menu that includes a user selectable line lock mode. The controller initiates a line lock mode based on user selection of the line lock mode. The controller determines whether vehicle conditions are satisfied. The controller applies brakes to the left and right front wheels. The controller disables torque delivery to the left and right front wheels and sends drive torque to the left and right rear wheels.

Abstract: A vehicle system for an electrified vehicle that implements a race preparation mode for preparing the electrified vehicle for a race event is provided. The vehicle system includes a motor, a battery system, an instrument panel cluster and a controller. The controller initiates the race preparation mode based on user selection of the race preparation mode. The controller determines whether a drag race mode is selected and determines whether a measured temperature of the battery system is below a warm temperature threshold. The temperature of the battery system is elevated based on the measured temperature being below the warm temperature threshold. The controller determines whether a track mode is selected and determines whether a measured temperature of the battery system is above a cold temperature threshold. The temperature of the battery system is reduced based on the measured temperature being above the cold temperature threshold.

Abstract: A vehicle system and method for a vehicle implements a drift mode to vehicle wheels for creating a drift. A motor provides drive torque to at least one wheel of the vehicle wheels for propelling the vehicle. A steering wheel communicates a steering wheel signal indicative of a direction intended for the vehicle to travel. An instrument panel cluster displays a user interface menu that includes a user selectable drift mode. The controller initiates a drift mode based on user selection of the drift mode. The controller determines whether vehicle conditions are satisfied and enables torque to be delivered from the motor to the left and right rear wheels. Speed differential is enabled between the front and rear wheels. Based on a direction of the steering wheel, a desired torque input is determined to one of the left and right rear wheels.

Abstract: A vehicle system for a vehicle that implements a launch control mode to vehicle wheels for creating a launch control includes a motor, an instrument panel and a controller. The motor provides drive torque to at least one wheel of the vehicle wheels for propelling the vehicle. The instrument panel cluster is configured to display a user interface menu that includes a user selectable launch control mode. The controller initiates a launch control mode based on user selection of the launch control mode. The controller determines whether vehicle conditions are satisfied and receives a launch intensity selected at the user interface menu. The controller enables torque to be delivered from the motor to all drive wheels based on the launch intensity. Wheel speeds are monitored and wheel slip is determined. Torque is sent to select wheels based on the determined wheel slip.

Abstract: A vehicle system and method for a vehicle implements a donut mode to vehicle wheels for creating a donut. A motor provides drive torque to at least one wheel of the vehicle wheels for propelling the vehicle. A steering wheel communicates a steering wheel signal indicative of a direction intended for the vehicle to travel. An instrument panel cluster displays a user interface menu that includes a user selectable donut mode. The controller initiates a donut mode based on user selection of the donut mode. The controller determines whether vehicle conditions are satisfied and enables torque to be delivered from the motor to the left and right rear wheels. Speed differential is enabled between the left and right rear wheels and the left and right front wheels. Based on a direction of the steering wheel, a desired torque input is determined to one of the left and right rear wheels.

Abstract: A launch control technique for a vehicle having a torque generating system comprises displaying, via a user interface, information relating to a set of launch torque curves, each launch torque curve defining how the torque generating system is to generate drive torque during a period, receiving, via the user interface, a driver-selection of one of the set of launch torque curves to obtain a driver-selected launch torque curve, detecting a set of launch conditions comprising one or more vehicle operating conditions indicative of a launch of the vehicle, detecting a launch request in response to an accelerator pedal of the vehicle being depressed, and controlling the launch of the vehicle by performing open-loop control of the drive torque generated by the torque generating system according to the driver-selected launch torque curve and irrespective of wheel slip of the vehicle.

Abstract: A vehicle launch control technique includes providing a driver interface configured to display information to and input from a driver of the vehicle and a controller in communication with the driver interface, determining a maximum available torque curve for the powertrain based on current conditions, displaying, at the driver interface, the maximum available torque curve, receiving, from the driver via the driver interface, a desired launch speed for the powertrain, receiving, from the driver via the driver interface, a desired torque curve for the powertrain, wherein the desired torque curve changes in response to changes to the desired launch speed, generating, in response to a command via the driver interface, a final desired torque curve for the powertrain, and performing launch control of the vehicle by controlling the powertrain of the vehicle according to the final desired torque curve.

Abstract: A vehicle launch control technique includes providing a driver interface configured to display information to and input from a driver of the vehicle and a controller in communication with the driver interface, determining a maximum available torque curve for the powertrain based on current conditions, displaying, at the driver interface, the maximum available torque curve, receiving, from the driver via the driver interface, a desired launch speed for the powertrain, receiving, from the driver via the driver interface, a desired torque curve for the powertrain, wherein the desired torque curve changes in response to changes to the desired launch speed, generating, in response to a command via the driver interface, a final desired torque curve for the powertrain, and performing launch control of the vehicle by controlling the powertrain of the vehicle according to the final desired torque curve.

Abstract: A vehicle launch control technique includes obtaining a desired launch torque curve and a desired launch speed, performing a pre-staging procedure including generating a torque reserve for a powertrain, in response to paddle shifters being a first configuration and accelerator and brake pedals being fully depressed and then controlling vehicle positioning/movement in response to driver manipulation of the brake pedal, performing a staging procedure including (a) increasing the torque reserve, (b) activating a trans brake feature to hold the vehicle stationary, and (c) increasing a speed of the powertrain to the desired launch speed, in response to (i) the paddle shifters in a different second configuration and (ii) fully releasing the brake pedal, and after the staging procedure and in response to the paddle shifters being in a different third configuration, executing a vehicle launch procedure by depleting the torque reserve according to the desired launch torque curve.

Abstract: A vehicle jump detection method and system for a vehicle includes an electronic control module (ECM), at least one ride height sensor (RHS) in signal communication with the ECM and configured to measure a vertical wheel travel distance from a predetermined point on the vehicle, at least one accelerometer in signal communication with the ECM and configured to measure a vertical acceleration of the vehicle frame, and a vehicle speed sensor in signal communication with the ECM. The ECM is configured to independently determine, based on one or more signals from the at least one RHS, the at least one accelerometer, and the vehicle speed sensor, if (i) wheels of a front axle are in the air, (ii) wheels of a rear axle are in the air, and (iii) if the wheels of both the front and rear axles are in the air.

Abstract: A launch control technique for a vehicle having a torque generating system comprises displaying, via a user interface, information relating to a set of launch torque curves, each launch torque curve defining how the torque generating system is to generate drive torque during a period, receiving, via the user interface, a driver-selection of one of the set of launch torque curves to obtain a driver-selected launch torque curve, detecting a set of launch conditions comprising one or more vehicle operating conditions indicative of a launch of the vehicle, detecting a launch request in response to an accelerator pedal of the vehicle being depressed to an accelerator pedal position threshold, and finally controlling the launch of the vehicle by performing open-loop control of the drive torque generated by the torque generating system according to the driver-selected launch torque curve and irrespective of wheel slip of the vehicle.

Abstract: A chiller system includes an intercooler configured to cool compressed charge air received from a charger, a low temperature cooling circuit fluidly coupled to the intercooler, and an air conditioner circuit circulating a refrigerant and having a primary circuit and a bypass circuit. The primary circuit includes a compressor, a condenser, and an evaporator. The bypass circuit includes a conduit that bypasses the evaporator, and a chiller shut off valve is configured to selectively prevent refrigerant from flowing through the bypass circuit. A chiller is thermally coupled to the low temperature cooling circuit and the bypass circuit. A controller is in signal communication with the chiller shut off valve. The controller is programmed to, upon receiving a signal indicating a driver has manually selected the vehicle to operate in a racing mode, open the chiller shut off valve to provide increased cooling to the intercooler and the compressed charge air.

Abstract: An engine cooling system includes an engine, an intercooler, a radiator fan, a cooling circuit thermally coupled to at least one of the engine and the intercooler and circulating a coolant, and a controller in signal communication with the cooling circuit. The controller is configured to: upon receipt of a request, when the engine is in an off state, activate a quick cooldown mode where the radiator fan and the cooling circuit are operated to circulate and supply the coolant to at least one of the engine and the intercooler to cool vehicle under hood components while the engine is in the off state.

Abstract: A chiller system includes an intercooler configured to cool compressed charge air received from a charger, a low temperature cooling circuit fluidly coupled to the intercooler, and an air conditioner circuit circulating a refrigerant and having a primary circuit and a bypass circuit. The primary circuit includes a compressor, a condenser, and an evaporator. The bypass circuit includes a conduit that bypasses the evaporator, and a chiller shut off valve is configured to selectively prevent refrigerant from flowing through the bypass circuit. A chiller is thermally coupled to the low temperature cooling circuit and the bypass circuit. A controller is in signal communication with the chiller shut off valve. The controller is programmed to, upon receiving a signal indicating a driver has manually selected the vehicle to operate in a racing mode, open the chiller shut off valve to provide increased cooling to the intercooler and the compressed charge air.

Abstract: A chiller system includes an intercooler configured to cool compressed charge air received from a turbocharger or a supercharger; a low temperature cooling circuit fluidly coupled to the intercooler, the low temperature cooling circuit circulating a coolant to provide cooling to the intercooler and including a low temperature radiator configured to cool the first coolant; and an air conditioner circuit circulating a refrigerant and having a primary circuit and an evaporator bypass circuit. A chiller is thermally coupled to the low temperature cooling circuit and the bypass circuit. A chiller shut off valve is configured to be controlled to be selectively opened to provide refrigerant to the chiller to further cool the coolant in the low temperature cooling circuit after the coolant is cooled by the low temperature radiator, thereby providing increased cooling to the intercooler and the compressed charge air to increase engine performance.

Abstract: An engine cooling system includes an engine, an intercooler, a radiator fan, a cooling circuit thermally coupled to at least one of the engine and the intercooler and circulating a coolant, and a controller in signal communication with the cooling circuit. The controller is configured to: upon receipt of a request, when the engine is in an off state, activate a quick cooldown mode where the radiator fan and the cooling circuit are operated to circulate and supply the coolant to at least one of the engine and the intercooler to cool vehicle under hood components while the engine is in the off state.

Abstract: A line lock braking system includes a brake module configured to selectively apply hydraulic braking pressure against first wheels and second wheels of the vehicle, and a controller in signal communication with the brake module. The controller initiates, upon receipt of a request, a vehicle line lock mode and performs line lock braking of the vehicle where the brake module is controlled to selectively apply braking pressure against the first wheels and not the second wheels such that the second wheels are free to rotate based on a throttle applied by a driver; completes the line lock mode upon release of a button being depressed to enter and maintain activation of the line lock mode such that the braking pressure against the first wheels is released; and cancels the line lock mode upon determining a number of rotations of the second wheels exceeds a predetermined number of wheel rotations.

Abstract: A line lock braking system includes a brake module configured to selectively apply hydraulic braking pressure against first wheels and second wheels of the vehicle, and a controller in signal communication with the brake module. The controller initiates, upon receipt of a request, a vehicle line lock mode and performs line lock braking of the vehicle where the brake module is controlled to selectively apply braking pressure against the first wheels and not the second wheels such that the second wheels are free to rotate based on a throttle applied by a driver; completes the line lock mode upon release of a button being depressed to enter and maintain activation of the line lock mode such that the braking pressure against the first wheels is released; and cancels the line lock mode upon determining a number of rotations of the second wheels exceeds a predetermined number of wheel rotations.

Abstract: A chiller system includes an intercooler configured to cool compressed charge air received from a turbocharger or a supercharger; a low temperature cooling circuit fluidly coupled to the intercooler, the low temperature cooling circuit circulating a coolant to provide cooling to the intercooler and including a low temperature radiator configured to cool the first coolant; and an air conditioner circuit circulating a refrigerant and having a primary circuit and an evaporator bypass circuit. A chiller is thermally coupled to the low temperature cooling circuit and the bypass circuit. A chiller shut off valve is configured to be controlled to be selectively opened to provide refrigerant to the chiller to further cool the coolant in the low temperature cooling circuit after the coolant is cooled by the low temperature radiator, thereby providing increased cooling to the intercooler and the compressed charge air to increase engine performance.