Date of download: 5/31/2016 Copyright © ASME. All rights reserved. From: Optimal Control of a Formula One Car on a Three-Dimensional Track—Part 2: Optimal.

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Date of download: 5/31/2016 Copyright © ASME. All rights reserved. From: Optimal Control of a Formula One Car on a Three-Dimensional Track—Part 2: Optimal Control J. Dyn. Sys., Meas., Control. 2015;137(5): doi: / Side view of a Formula One car showing its mass center M c, its geometric center G c, and its center of pressure C p Figure Legend:

Date of download: 5/31/2016 Copyright © ASME. All rights reserved. From: Optimal Control of a Formula One Car on a Three-Dimensional Track—Part 2: Optimal Control J. Dyn. Sys., Meas., Control. 2015;137(5): doi: / Plan view of a Formula One car with some of its basic geometric parameters Figure Legend:

Date of download: 5/31/2016 Copyright © ASME. All rights reserved. From: Optimal Control of a Formula One Car on a Three-Dimensional Track—Part 2: Optimal Control J. Dyn. Sys., Meas., Control. 2015;137(5): doi: / Differential-geometric description of a track segment T. The independent variable s represents the elapsed centerline distance traveled in the direction indicated. The track half-width is N, with ξ the car's yaw angle relative to the spine's tangent direction. The inertial reference frame given by n x, n y, and n z. Figure Legend:

Date of download: 5/31/2016 Copyright © ASME. All rights reserved. From: Optimal Control of a Formula One Car on a Three-Dimensional Track—Part 2: Optimal Control J. Dyn. Sys., Meas., Control. 2015;137(5): doi: / Tire force system. The car's yaw angle is ξ with respect to the Darboux frame, which is defined in terms of the vectors t and n. Figure Legend:

Date of download: 5/31/2016 Copyright © ASME. All rights reserved. From: Optimal Control of a Formula One Car on a Three-Dimensional Track—Part 2: Optimal Control J. Dyn. Sys., Meas., Control. 2015;137(5): doi: / Car aerodynamic maps. The drag coefficient C D is the solid (blue) curve; the down-force coefficient C L is the dotted–dashed (red) curve. The aerodynamic center of pressure is given by the dashed (magenta) curve in meters from the front axle. The “+” symbols represent measured data points. Figure Legend:

Date of download: 5/31/2016 Copyright © ASME. All rights reserved. From: Optimal Control of a Formula One Car on a Three-Dimensional Track—Part 2: Optimal Control J. Dyn. Sys., Meas., Control. 2015;137(5): doi: / Radau integration error. (Black) dotted–dashed line in the error bound (57) with f (2N–1) (η) = 1, with the (red) line given by log(E N ) = 24 − 7.5 N. Figure Legend:

Date of download: 5/31/2016 Copyright © ASME. All rights reserved. From: Optimal Control of a Formula One Car on a Three-Dimensional Track—Part 2: Optimal Control J. Dyn. Sys., Meas., Control. 2015;137(5): doi: / D view of the “Circuit de Catalunya” with all its dimensions given in meters Figure Legend:

Date of download: 5/31/2016 Copyright © ASME. All rights reserved. From: Optimal Control of a Formula One Car on a Three-Dimensional Track—Part 2: Optimal Control J. Dyn. Sys., Meas., Control. 2015;137(5): doi: / Approximate distances to mid corner on the Circuit de Catalunya track (in meters from the start–finish line SF) Figure Legend:

Date of download: 5/31/2016 Copyright © ASME. All rights reserved. From: Optimal Control of a Formula One Car on a Three-Dimensional Track—Part 2: Optimal Control J. Dyn. Sys., Meas., Control. 2015;137(5): doi: / Elevation and geodesic curvature of the track. Distances are given in meters, while the curvature is given in radians per meter. Positive curvature is associated with right-hand bends. Figure Legend:

Date of download: 5/31/2016 Copyright © ASME. All rights reserved. From: Optimal Control of a Formula One Car on a Three-Dimensional Track—Part 2: Optimal Control J. Dyn. Sys., Meas., Control. 2015;137(5): doi: / Product of the geodesic curvature and the track camber angle. Positive values are indicative of positive cambering, while negative values are associated with adverse cambering. Figure Legend:

Date of download: 5/31/2016 Copyright © ASME. All rights reserved. From: Optimal Control of a Formula One Car on a Three-Dimensional Track—Part 2: Optimal Control J. Dyn. Sys., Meas., Control. 2015;137(5): doi: / Forces acting on a cornering car at speed u, turn radius r and road camber angle β. The car is traveling into the page and turning right. Figure Legend:

Date of download: 5/31/2016 Copyright © ASME. All rights reserved. From: Optimal Control of a Formula One Car on a Three-Dimensional Track—Part 2: Optimal Control J. Dyn. Sys., Meas., Control. 2015;137(5): doi: / Speeds and time difference for the 2D and 3D track. The (red) curve gives the speed of the car on the flat track, while the (blue) curve is the speed on the 3D track. The solid (black) curve is the time difference; negative values indicate that the car is faster on the 2D track. Figure Legend:

Date of download: 5/31/2016 Copyright © ASME. All rights reserved. From: Optimal Control of a Formula One Car on a Three-Dimensional Track—Part 2: Optimal Control J. Dyn. Sys., Meas., Control. 2015;137(5): doi: / Engine and braking power as a function of distance from the start/finish line. The (red) curve illustrates the power delivered to the rear wheels, the (blue) shows the power delivered to the front wheels, while the (black) dashed plot is the sum of the two. Figure Legend:

Date of download: 5/31/2016 Copyright © ASME. All rights reserved. From: Optimal Control of a Formula One Car on a Three-Dimensional Track—Part 2: Optimal Control J. Dyn. Sys., Meas., Control. 2015;137(5): doi: / Racing line on a flat (red) and a 3D (blue) track. The left-hand diagram shows turns ② and ③, while the right-hand diagram is for turn ④. Figure Legend:

Date of download: 5/31/2016 Copyright © ASME. All rights reserved. From: Optimal Control of a Formula One Car on a Three-Dimensional Track—Part 2: Optimal Control J. Dyn. Sys., Meas., Control. 2015;137(5): doi: / Speed difference dashed (red) and the gravitational force component in the car's x-direction solid (black). The speed difference is positive when the car is faster on the 3D track. The car is traveling downhill when the gravitational force component is positive. Figure Legend:

Date of download: 5/31/2016 Copyright © ASME. All rights reserved. From: Optimal Control of a Formula One Car on a Three-Dimensional Track—Part 2: Optimal Control J. Dyn. Sys., Meas., Control. 2015;137(5): doi: / Speed difference dashed (red) and the centripetal force in the car's z-direction solid (black). The speed difference is positive when the car is faster on the 3D track. The centripetal force provides additional down force when it is positive. Figure Legend: