/[gzz]/manuscripts/Control1/poster.rst
ViewVC logotype

Diff of /manuscripts/Control1/poster.rst

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 1.75 by tjl, Mon May 5 21:06:31 2003 UTC revision 1.76 by mudyc, Mon May 5 21:07:42 2003 UTC
# Line 92  In this article, we attempt to alter the Line 92  In this article, we attempt to alter the
92  controllers by providing a simple design for building  controllers by providing a simple design for building
93  controllers out of commodity parts, without requiring electrical or  controllers out of commodity parts, without requiring electrical or
94  mechanical engineering experience.  mechanical engineering experience.
95  The components that suit our purposes best are LEGO Technic  The components that suit our purposes best are LEGO [lego32]_ Technic
96  bricks and  bricks and
97  optomechanical computer mice.  optomechanical computer mice.
98  LEGO Technic bricks are popular toys because they can be used  LEGO Technic bricks are popular toys because they can be used
# Line 126  practical experiences from our work so f Line 126  practical experiences from our work so f
126          - no direct academic contribution to UI research          - no direct academic contribution to UI research
127    
128          - a simple way to combine commodities to obtain flexibility:          - a simple way to combine commodities to obtain flexibility:
129            mouse and LEGO [lego32]_ bricks.            mouse and LEGO bricks.
130    
131          - the particular structure of using a wheel on the mouse optomechanical          - the particular structure of using a wheel on the mouse optomechanical
132            sensor            sensor
# Line 203  controllers has been the interfacing of Line 203  controllers has been the interfacing of
203  the optomechanical mice.  the optomechanical mice.
204    
205  .. figure:: required.jpg  .. figure:: required.jpg
206  :width: 7.5cm    :width: 7.5cm
207  :label: figrequired    :label: figrequired
208    
209  The non-LEGO parts and tools required for a controller.  The non-LEGO parts and tools required for a controller.
210  A USB mouse would be preferred to the PS/2 mouse  A USB mouse would be preferred to the PS/2 mouse
# Line 212  shown in the picture, since several can Line 212  shown in the picture, since several can
212  to a computer simultaneously as separate input sources.  to a computer simultaneously as separate input sources.
213    
214  .. figure:: mouseopen.jpg  .. figure:: mouseopen.jpg
215  :width: 7.5cm    :width: 7.5cm
216  :label: figmouseopen    :label: figmouseopen
217    
218  The mouse, opened with the screwdriver. The screwdriver  The mouse, opened with the screwdriver. The screwdriver
219  will not be needed after this step.  will not be needed after this step.
220    
221  .. figure:: mousemechanism.jpg  .. figure:: mousemechanism.jpg
222  :width: 7.5cm    :width: 7.5cm
223  :label: figmousemechanism    :label: figmousemechanism
224    
225  The mechanism of the mouse: the mouse ball, which rotates  The mechanism of the mouse: the mouse ball, which rotates
226  from contact with the underlying surface, rotates  from contact with the underlying surface, rotates
# Line 228  the two axles whose motion is then detec Line 228  the two axles whose motion is then detec
228    
229    
230  .. figure:: optomechanism.jpg  .. figure:: optomechanism.jpg
231  :width: 7.5cm    :width: 7.5cm
232  :label: figoptomechanism    :label: figoptomechanism
233    
234  In optomechanical mice, the motion of the axles is detected  In optomechanical mice, the motion of the axles is detected
235  by the IR light gate whose beam is cut by the slitted disk.  by the IR light gate whose beam is cut by the slitted disk.
# Line 249  additional materials or tools, but the a Line 249  additional materials or tools, but the a
249  affected: the gate missed a large fraction of the events.  affected: the gate missed a large fraction of the events.
250    
251  .. figure:: wheelmechanism1.jpg  .. figure:: wheelmechanism1.jpg
252  :width: 7.5cm    :width: 7.5cm
253  :label: figwheelmechanism1    :label: figwheelmechanism1
254    
255  The principle behind the current version of  The principle behind the current version of
256  our interface between the optomechanical mouse and  our interface between the optomechanical mouse and
# Line 270  LEGO mechanism shown in Figs. [ref-figpr Line 270  LEGO mechanism shown in Figs. [ref-figpr
270  [ref-figpressmechanism1]_.  [ref-figpressmechanism1]_.
271    
272  .. figure:: pressmechparts.jpg  .. figure:: pressmechparts.jpg
273  :width: 7.5cm    :width: 7.5cm
274  :label: figpressmechparts    :label: figpressmechparts
275    
276  The LEGO parts for the driving mechanism  The LEGO parts for the driving mechanism
277    
278  .. figure:: pressmechanism1.jpg  .. figure:: pressmechanism1.jpg
279  :width: 7.5cm    :width: 7.5cm
280  :label: figpressmechanism1    :label: figpressmechanism1
281    
282  The driving mechanism assembled. The mechanism is attached  The driving mechanism assembled. The mechanism is attached
283  to the LEGO framework by the long axle; the driving tyre  to the LEGO framework by the long axle; the driving tyre
# Line 297  is not shown in the these images). Line 297  is not shown in the these images).
297    
298    
299  .. figure:: framestart.jpg  .. figure:: framestart.jpg
300  :width: 7.5cm    :width: 7.5cm
301  :label: figframestart    :label: figframestart
302    
303  The beginnings of the housing for the mouse case.  The beginnings of the housing for the mouse case.
304    
305    
306  .. figure:: framedrivers.jpg  .. figure:: framedrivers.jpg
307  :width: 7.5cm    :width: 7.5cm
308  :label: figframedrivers    :label: figframedrivers
309    
310  The driving mechanisms (using a slightly different version  The driving mechanisms (using a slightly different version
311  than the one depicted in the previous figures)  than the one depicted in the previous figures)
# Line 335  The handles can be used to control zoom Line 335  The handles can be used to control zoom
335  focused node and the peripherally shown nodes.  focused node and the peripherally shown nodes.
336    
337  .. figure:: loomcontrol.jpg  .. figure:: loomcontrol.jpg
338  :width: 7.5cm    :width: 7.5cm
339  :label: figloomcontrol    :label: figloomcontrol
340    
341  A fully functional controller prototype, with two  A fully functional controller prototype, with two
342  absolute arm controls and a wheel control. All three  absolute arm controls and a wheel control. All three
# Line 364  differs from general joystick game contr Line 364  differs from general joystick game contr
364  by preserving its position  by preserving its position
365    
366  .. figure:: joystick.jpg  .. figure:: joystick.jpg
367  :width: 7.5cm    :width: 7.5cm
368  :label: figjoystick    :label: figjoystick
369    
370  A 2D joystick-like controller built from LEGO bricks as  A 2D joystick-like controller built from LEGO bricks as
371  a proof-of-principle.  a proof-of-principle.
# Line 416  to taking the numerical derivative of a Line 416  to taking the numerical derivative of a
416    
417  .. raw:: latex  .. raw:: latex
418    
419  $f(x)$     $f(x)$
420    
421  at  at
422    
423  .. raw:: latex  .. raw:: latex
424    
425  $x$     $x$
426    
427  as  as
428    
429  .. raw:: latex  .. raw:: latex
430    
431  $(f(x+\epsilon/2) - f(x-\epsilon/2)) / \epsilon$     $(f(x+\epsilon/2) - f(x-\epsilon/2)) / \epsilon$
432    
433  instead of  instead of
434    
435  .. raw:: latex  .. raw:: latex
436    
437  $(f(x+\epsilon) - f(x)) / \epsilon$     $(f(x+\epsilon) - f(x)) / \epsilon$
438    
439    
440    
# Line 451  As an example, an octagonal Line 451  As an example, an octagonal
451  handle is shown in Fig. [ref-figoctagonal]_.  handle is shown in Fig. [ref-figoctagonal]_.
452    
453  .. figure:: octagonal.jpg  .. figure:: octagonal.jpg
454  :width: 7.5cm    :width: 7.5cm
455  :label: figoctagonal    :label: figoctagonal
456    
457  A rugged and relatively comfortable octagonal  A rugged and relatively comfortable octagonal
458  handle built from slopes and inverted slopes.  handle built from slopes and inverted slopes.
# Line 464  LEGO bricks with air-hardening Line 464  LEGO bricks with air-hardening
464  modelling paste, as in [ref-figpaste1]_.  modelling paste, as in [ref-figpaste1]_.
465    
466  .. figure:: paste1.jpg  .. figure:: paste1.jpg
467  :width: 7.5cm    :width: 7.5cm
468  :label: figpaste1    :label: figpaste1
469    
470  An ergonomic handle implemented using  An ergonomic handle implemented using
471  air-hardening modelling paste. The handle was  air-hardening modelling paste. The handle was

Legend:
Removed from v.1.75  
changed lines
  Added in v.1.76

savannah-hackers-public@gnu.org
ViewVC Help
Powered by ViewVC 1.1.26