| B. Mishra. Worksholding -- analysis and planning. In IEEE/RSJ Int. Workshop on Intelligent Robots and Systems, pages 53--56, Osaka, Japan, 1991. |
....form closure and vice versa. In particular, fixtures achieving form force closure also fulfill their second role as devices capable of resisting external forces and torques. Past approaches to fixture planning have been based on expert systems [14, 18, 32] kinematic analysis and screw theory [1, 3, 8, 34], or a combination of both [12, 16] Markus et al. have used a rule based system to interactively design fixtures for box type parts and to select appropriate fixture modules [32] Ferreira There are of course other issues involved in fixturing, for example the analysis of part deformation under ....
....a renewed interest in the academic robotics community for manufacturing problems in general and fixturing in particular. Mishra has studied the problem of designing fixtures for rectilinear parts using toe clamps attached to a regular grid, and proven the existence of fixtures using six clamps [34] (this result has since then been tightened to four clamps by Zhuang, Goldberg, and Wong [59] In keeping with the idea of Reduced Intricacy Sensing and Control (RISC) robotics of Canny and Goldberg [6] Wallack and Canny [57, 58] and Brost and Goldberg [5] have recently proposed very simple ....
B. Mishra. Worksholding -- analysis and planning. In IEEE/RSJ Int. Workshop on Intelligent Robots and Systems, pages 53--56, Osaka, Japan, 1991.
....of freedom of the device. Our goal is to compute the locator placements and lengths as well as the plate separation that will guarantee that a polyhedral part in contact with the locator spherical caps is immobilized. There is a large body of work on fixture design, analysis, and planning (see [1, 2, 4, 11] for example) Our approach is a generalization of the 2D fixturing algorithms of Wallack and Canny [25, 26] and Brost and Goldberg [3] It is also related to the 3D seven contact fixturing device and corresponding algorithm proposed by Wagner, Zhuang, and Goldberg [24] In contrast with these ....
B. Mishra. Worksholding -- analysis and planning. In IEEE/RSJ Int. Work. Intell. Robots and Systems, pp. 53--56, Osaka, Japan, 1991.
....immobility and a detailed analysis of the geometric constraints imposed by object finger contacts in configuration space. This approach applies to a new class of reconfigurabe grippers with mostly discrete degrees of freedom (Figure 1) and it is related to recent work in modular fixture planning [4, 5, 22, 47, 48, 46] and to a number of sensorless pushing and squeezing manipulation algorithms [1, 9, 12, 18, 20, 33, 35] Indeed, the class of devices we are interested in can be seen as automatically reconfigurable fixtures, but since they are capable of both immobilizing a part and manipulating it within a ....
B. Mishra. Worksholding -- analysis and planning. In IEEE/RSJ Int. Workshop on Intelligent Robots and Systems, pages 53--56, Osaka, Japan, 1991. 40
....a renewed interest in the academic robotics community for manufacturing problems in general and fixturing in particular. Mishra has studied the problem of designing fixtures for rectilinear parts using toe clamps attached to a regular grid, and proven the existence of fixtures using six clamps [29] (this result has since then been tightened to four clamps by Zhuang, Goldberg, and Wong [55] In keeping with the idea of Reduced Intricacy Sensing and Control (RISC) robotics of Canny and Goldberg [6] Wallack and Canny [53, 54] and Brost and Goldberg [4] have recently proposed very simple ....
B. Mishra. Worksholding -- analysis and planning. In IEEE/RSJ Int. Workshop on Intelligent Robots and Systems, pages 53--56, Osaka, Japan, 1991.
....form closure and vice versa. 2 In particular, fixtures achieving form force closure also fulfill their second role as devices capable of resisting external forces and torques. Past approaches to fixture planning have been based on expert systems [14, 18, 32] kinematic analysis and screw theory [1, 3, 8, 34], or a combination of both [12, 16] Markus et al. have used a rule based system to interactively design fixtures for box type parts and to select appropriate fixture modules [32] Ferreira 1 There are of course other issues involved in fixturing, for example the analysis of part deformation ....
....a renewed interest in the academic robotics community for manufacturing problems in general and fixturing in particular. Mishra has studied the problem of designing fixtures for rectilinear parts using toe clamps attached to a regular grid, and proven the existence of fixtures using six clamps [34] (this result has since then been tightened to four clamps by Zhuang, Goldberg, and Wong [59] In keeping with the idea of Reduced Intricacy Sensing and Control (RISC) robotics of Canny and Goldberg [6] Wallack and Canny [57, 58] and Brost and Goldberg [5] have recently proposed very simple ....
B. Mishra. Worksholding -- analysis and planning. In IEEE/RSJ Int. Workshop on Intelligent Robots and Systems, pages 53--56, Osaka, Japan, 1991.
....a renewed interest in the academic robotics community for manufacturing problems in general and fixturing in particular. Mishra has studied the problem of designing fixtures for rectilinear parts using toe clamps attached to a regular grid, and proven the existence of fixtures using six clamps [17] (this result has since then been tightened to four clamps by Zhuang, Goldberg, and Wong [36] In keeping with the idea of Reduced Intricacy Sensing and Control (RISC) robotics of Canny and Goldberg [4] Wallack and Canny [34, 35] Brost and Goldberg [2] have recently proposed very simple modular ....
B. Mishra. Worksholding -- analysis and planning. In IEEE/RSJ Int. Workshop on Intelligent Robots and Systems, pages 53--56, Osaka, Japan, 1991.
....of freedom of the device. Our goal is to compute the locator placements and lengths as well as the plate separation that will guarantee that a polyhedral part in contact with the locator spherical caps is immobilized. There is a large body of work on fixture design, analysis, and planning (see [1, 2, 4, 11] for example) Our approach is a generalization of the 2D fixturing algorithms of Wallack and Canny [25, 26] and Brost and Goldberg [3] It is also related to the 3D seven contact fixturing device and corresponding algorithm proposed by Wagner, Zhuang, and Goldberg [24] In contrast with these ....
B. Mishra. Worksholding -- analysis and planning. In IEEE/RSJ Int. Work. Intell. Robots and Systems, pp. 53--56, Osaka, Japan, 1991.
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