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"Trajectory planning, dynamics modelling and trajectory tracking method" by Boyuan Li, Bangji Zhang et al.

The road topography can significantly affect the tyre vertical load and the vehicle dynamics response in off-road scenarios, which will greatly impact the autonomous vehicle's stability, trajectory planning and trajectory tracking performance. However, the road topography information is less focused in current literature. This study focuses on the local trajectory planning and tracking method by assuming waypoints along the global route are already available. First an innovative spatiotemporal-based local trajectory planning algorithm is proposed to select the desired trajectory with minimum road gradient and bank angle. After that, a 8 degrees-of-freedom (DOF) vehicle dynamics model is proposed to better present the dynamics performance. Finally a double-layer control strategy for trajectory tracking is designed to follow the desired planned trajectory. It is proved by simulations results that the peak bank angle and road gradient could be avoided, and the trajectory tracking per ....

Autonomous Vehicle , Bank Angle , Dynamics Model , Off Road , Oad Slope , Oad Topography , Trajectory Planning , Trajectory Tracking ,

"Nice and slow: Measuring sensitivity and visual preference toward natu" by Zoey J. Isherwood, Colin W.G. Clifford et al.

The 1/f amplitude spectrum is a statistical property of natural scenes characterising a specific distribution of spatial and temporal frequencies and their associated luminance intensities. This property has been studied extensively in the spatial domain whereby sensitivity and visual preference overlap and peak for slopes within the natural range (α ≈ 1), but remains relatively less studied in the temporal domain. Here, we used a 4AFC task to measure sensitivity and a 2AFC task to measure visual preference and across a wide range of spatial (α = 0.25, 1.25, 2.25) and temporal (α = 0.25 to 2.50, step size: 0.25) slope conditions. Stimuli with a shallow temporal slope modulate rapidly (e.g. 0.25), whereas stimuli with a steep slope modulate slowly (e.g. 2.25). Interestingly, sensitivity and visual preference did not closely overlap. While the sensitivity of the visual system is highest for our stimulus with an intermediate modulation rate (1.25), which is most abundant in nature, ....

Amplitude Spectrum , Atural Scene Statistics ,

Detailed text transcripts for TV channel - FOXNEWS - 20190123:07:59:45

Detailed text transcripts for TV channel - FOXNEWS - 20190123:07:59:45
archive.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from archive.org Daily Mail and Mail on Sunday newspapers.

The First Black Set Rally , Turning Point , Candace Owens ,

Detailed text transcripts for TV channel - FOXNEWS - 20190123:03:59:45

Detailed text transcripts for TV channel - FOXNEWS - 20190123:03:59:45
archive.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from archive.org Daily Mail and Mail on Sunday newspapers.

Turning Point ,