... motion detector based on the Doppler effect. These sensors represent a well-known technology with decades of general applications behind them. For fast-moving mobile robots such as autonomous highway ... sensitive to light between 400 and 1000 nm wavelength. It is important to remember that photodiodes are less sensitive to the ultraviolet end of the spectrum (e.g., blue) and are...
Ngày tải lên: 10/08/2014, 05:20
... publicly available software-based solution. Figure 4. 27 Color markers on the top of EPFL’s STeam Engine soccer robots enable a color-tracking sensor to locate the robots and the ball in the soccer field. 128 ... ring. For this reason this method has not been applied to mobile robots. A variation of the depth from focus technique has been applied to a mobile robot, dem- onstr...
Ngày tải lên: 10/08/2014, 05:20
MIT.Press.Introduction.to.Autonomous.Mobile.Robots Part 13 potx
... of Kalman filter localization. 5.6.3.1 Introduction to Kalman filter theory The basic Kalman filter method allows multiple measurements to be incorporated opti- mally into a single estimate of state. ... the map. These lines are stored in the map and specified in the world coordinate system . Therefore they need to be transformed to the robot frame : (5.63) According to figure (5...
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MIT.Press.Introduction.to.Autonomous.Mobile.Robots Part 17 pot
... restore CD, 1 17 T tachometer feedback, 72 tachometer measurement, 77 tach sensor, 72 TCP/IP, 16, 17, 38, 173 telemetry link, 222 temperature of motors and battery compartment, 230 temporary files, 213 test ... interface, 173 grub, 123 bootloader, 140 prompt, 151 GUI, 150, 151, 175 H H-bridge, 70 , 71 circuit, 70 Hall effect sensor, 72 hard processes, 10 host -to- module co...
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MIT.Press.Introduction.to.Autonomous.Mobile.Robots part 1 doc
... Links to Mobile Robots 314 Index 3 17 Autonomous Mobile Robots Introduction to Roland Illah R. SIEGWART NOURBAKHSH Autonomous Mobile Robots SIEGWART and NOURBAKHSH Introduction to Introduction to ... localization strategies, autonomous mapping, and navigation competence. Bringing together all aspects of mobile robotics into one volume, Introduction to...
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MIT.Press.Introduction.to.Autonomous.Mobile.Robots Part 9 ppsx
... ρ i [m] 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 0.51 97 0.4404 0.4850 0.4222 0.4132 0.4 371 0.3912 0.3949 0.3919 0.4 276 0.4 075 0.3956 0.4053 0. 475 2 0.5032 0.5 273 0.4 879 Figure 4. 37 Extracted line from laser range measurements ... solution to equation (4 .70 ) in the weighted least-squares sense 3 is (4 .73 ) (4 .74 ) In practice, equation (4 .73 )...
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MIT.Press.Introduction.to.Autonomous.Mobile.Robots Part 10 pptx
... such histograms as whole-image features, we need ways to compare to histograms to quantify the likelihood that the histograms map to nearby robot positions. The problem of defining useful histogram ... the image about to be processed. To do this, a histogram of the gradient magnitudes of the processed image is calculated (figure 4. 47) . With this simple histogram it is easy to...
Ngày tải lên: 10/08/2014, 05:20