McGraw-Hill - Robot Mechanisms and Mechanical Devices Illustrated - 2003 Part 10 ppt
... there. Figures 7-8 and 7-9 show four- and six-legged walkers with three rotary-actuated joints in each leg. An eight-leg layout would have no less than 24 actuators. The four- and six-legged versions ... designing a walk- ing robot. Figure 7-1 4 Six-legged tripod-frame walker with single-DOF legs Chapter 7 Walkers 209 Figure 7-8 Independent leg walker, four legs, twelve DOF...
Ngày tải lên: 10/08/2014, 04:22
... drive -and- brake steering sys- tem. Controlling the speed of each track directly adds a second major drive source, but gives fine steering and speed control. A second improvement to drive -and- brake ... Suspensions and Drivetrains Figure 5-5 a–d Various track shapes to improve mobility and robustness Figure 5-5 b Figure 5-5 c Chapter 5 Tracked Vehicle Suspensions and Drivetra...
Ngày tải lên: 10/08/2014, 04:22
... belts, plastic -and- cable chain, and all types of steel chain connect the input to the output mechanically by means of teeth just 71 76 Chapter 2 Indirect Power Transfer Devices Table 2-1 Timing Belts Timing ... especially in teleoperated vehicles. Figure 2-1 Flat, O-ring, and V-belt profiles and pulleys Figure 2-2 Variable Belt 88 Chapter 2 Indirect Power Transfer Devices p...
Ngày tải lên: 10/08/2014, 04:22
McGraw-Hill - Robot Mechanisms and Mechanical Devices Illustrated - 2003 Part 6 ppsx
... is both com- pact and simple. 112 Chapter 3 Direct Power Transfer Devices Figure 3-9 Figure 3-1 0 Figure 3-1 1 Figure 3-1 2 Figure 3-1 3 102 Chapter 2 Indirect Power Transfer Devices HIGH-SPEED GEARHEADS ... better to buy an off-the-shelf gearbox than to design your own. Figure 2-2 9 Simple Planetaries and Inversions Chapter 3 Direct Power Transfer Devices Copyright ©...
Ngày tải lên: 10/08/2014, 04:22
McGraw-Hill - Robot Mechanisms and Mechanical Devices Illustrated - 2003 Part 7 pot
... from one-wheeled vehicles to eight- wheeled vehicles. It is divided into four sections: vehicles with one to three wheels and four-wheeled diamond layouts, four- and five-wheeled layouts, six-wheeled ... Power Transfer Devices 119 Figure 3-3 7 Machine-Tool splines have wide gaps between splines to permit accu- rate cylindrical grinding of the lands—for pre- cise positioning. Internal...
Ngày tải lên: 10/08/2014, 04:22
McGraw-Hill - Robot Mechanisms and Mechanical Devices Illustrated - 2003 Part 11 ppsx
... in the case of sand, because it can’t be scaled. Sand is just sand no matter what size the vehi- cle is (except for tiny robots of course), and mud is still mud. Driving on sand or mud would ... vehicles’ suspension and locomotion systems are frequently quite simple. Figures 8-1 and 8-2 show two examples. Figure 8-1 Four-wheeled horizontal pipe crawler Chapter 8 Pipe Crawlers an...
Ngày tải lên: 10/08/2014, 04:22
McGraw-Hill - Robot Mechanisms and Mechanical Devices Illustrated - 2003 Part 12 doc
... considering in some cases. Figures 1 0-1 0, 1 0-1 1, and 1 0-1 2 show variations of the spher- ical geometry manipulator. Figure 1 0-8 Basic polar coordinate manipulator Figure 1 0-9 High shoulder polar coordinate ... 251 Figure 1 0-1 4 Two-DOF wrist (yaw and roll) Figure 1 0-1 5 Three-DOF wrist (yaw, roll, and pitch) This page intentionally left blank. Chapter 10 Manip...
Ngày tải lên: 10/08/2014, 04:22
McGraw-Hill - Robot Mechanisms and Mechanical Devices Illustrated - 2003 Part 13 potx
... makes it 278 Chapter 11 Proprioceptive and Environmental Sensing Mechanisms and Devices By-Pass Layouts The by-pass layout shown in Figures 1 1-9 and 1 1-1 0 relieves the switch of taking any force, ... Switches Figure 1 1-5 a Mechanical, Geared, and Cam Limit Switches Chapter 11 Proprioceptive and Environmental Sensing Mechanisms and Devices 267 Figure 1 1-1 But...
Ngày tải lên: 10/08/2014, 04:22
McGraw-Hill - Robot Mechanisms and Mechanical Devices Illustrated - 2003 Part 14 ppsx
... 96 100 , 97f, 98f helical planetary gears, 103 f high-speed gearheads, 102 105 , 103 f planetary gear drives, 95–96f, 105 f worm gears, 90–93, 91f, 92f plastic -and- cable chain, 77–79f, 78f Inductosyns, ... 83–84f gears (indirect power transfer devices cont.) bevel gears, 102 , 103 f cluster gears, 86f flexible face-gear reducers, 100 101 f gear tooth terminology, 86f harmonic-drive...
Ngày tải lên: 10/08/2014, 04:22
mcgraw hill robot mechanisms and mechanical devices illustrated 2003 docx
... 93 Twin-Motor Planetary Gears Provide Safety Plus Dual-Speed 95 Harmonic-Drive Speed Reducers 96 Advantages and Disadvantages 99 Flexible Face-Gears Make Efficient High-Reduction Drives 100 High-Speed ... Servo Performance 102 Simplify the Mounting 102 Cost-Effective Addition 104 Chapter 3 Direct Power Transfer Devices 107 Couplings 109 Methods for Coupling Rotating Shafts 110...
Ngày tải lên: 14/03/2014, 16:20