Essays about: "grid maps"

Showing result 1 - 5 of 36 essays containing the words grid maps.

  1. 1. Exploring the distribution of accessibility by public transport using spatial analysis : a case study for retail concentrations and public hospitals in Athens

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Evangelos Vafeiadis; [2019]
    Keywords : geography; GIS; spatial analysis; geographic weighted regression; spatial clustering; local indicators of spatial association; public transport; accessibility; Social Sciences; Earth and Environmental Sciences;

    Abstract : This thesis studies the distribution of accessibility by public transport to retail concentrations and public hospitals in Athens, using spatial autocorrelation analysis based on Local Indicators of Spatial Autocorrelation (LISA) method and Geographically Weighted Regression (GWR). For this reason, the study area was divided in a 300x300 meter square grid of points representing the location points of the study. READ MORE

  2. 2. Safe Configurable Maps for Off-Road Sites : Proposed methods for safe and efficient map updates for autonomous trucks

    University essay from Luleå tekniska universitet/Institutionen för teknikvetenskap och matematik

    Author : Joakim Christoffersson; [2019]
    Keywords : Maps; updates; autonomous;

    Abstract : Autonomous vehicle technology is advancing at a very high pace and self-driving trucks on control-tower operated work sites is already a reality. These autonomous trucks need a highly accurate map of the surroundings for operation and navigation, and it is of great importance to be able to update that map with the ever-changing off-road work site. READ MORE

  3. 3. Exploration Strategies for Robotic Vacuum Cleaners

    University essay from KTH/Mekatronik

    Author : Sofia Navarro Heredia; [2018]
    Keywords : grid maps; frontier-based exploration strategies; NBV; node graph; path planning algorithm; Rutnätskartor; front-baserade strategier för utforskning; nästa bästa utsiktspunkt; nod-graf; algoritm för banplanering;

    Abstract : In this thesis, an exploration mode for the PUREi9 robotic vacuum cleaner is implemented. This exploration would provide information for optimizing the cleaning path beforehand, and would allow the robot to relocalize itself or the charger more easily in case it gets lost. READ MORE

  4. 4. Using Self-Organizing Maps to Identify Operational Risk

    University essay from Lunds universitet/Matematisk statistik

    Author : Lukas Ljungblom; Jonatan Berggren; [2018]
    Keywords : Self-organizing Map; Machine Learning; Neural Network; Clustering; Operational Risk; Audit Change; Mathematics and Statistics;

    Abstract : In recent years, the awareness and concern for operational risk in financial institutions have increased, and several disastrous events in the last two decades been caused by human error. With this, the regulatory demands have increased on the financial institutions to control operational risk. READ MORE

  5. 5. Control and design of Quasi-Z-Source Inverter (qZSI) for grid connected Photovoltaic (PV) arrays

    University essay from Chalmers tekniska högskola/Institutionen för elektroteknik

    Author : Shrey Sharma; [2018]
    Keywords : Photovoltaic PV ; Voltage source inverter VSI ; Harmonics; Impedance Zsource inverter ZSI ; Quasi-impedance Z-source inverter qZSI ; Shoot-through; Total Harmonic Distortion THD ; Pulse width modulation PWM ; Internal model control IMC ; Boost factor;

    Abstract : The renewable energy sources are greener and more environment friendly than nonrenewableenergy sources. They are used for the sustainable power production. Solarenergy is abundant in a lot of places and can be tapped to satisfy energy needs. READ MORE