On Mon, 2013-12-16 at 19:25 +0000, andy pugh wrote: > On 16 December 2013 19:05, Gene Heskett <ghesk...@wdtv.com> wrote: > > > > > This "jerk" you are discussing seems like the ideal place to have a module > > similar in nature to one of the limit functions, and which would subject a > > step change in speed to what I would call in a broadcast waveform analyzing > > situation as a "sine-squared" function. > > > Unfortunately it isn't quite that simple, as the motion planner needs to be > able to put the controlled point at the right place at the right time. > > For the infinite-jerk case the motion planner has to solve the equation s = > ut + 1/2 at^2 > For the finite-jerk case the equation is s = ut + 1/2 at^2 + 1/6 jt^3.
I suspect that harder is equivalent to slower and probably for 9 space MUCH slower. However, this is one solution and has been around awhile. www.sites.mech.ubc.ca/~caris/Publications/sonja.pdf Dave > > The equation becomes cubic in time, and somewhat harder to solve. Things > are (naturally) harder still in 9-space. > ------------------------------------------------------------------------------ Rapidly troubleshoot problems before they affect your business. Most IT organizations don't have a clear picture of how application performance affects their revenue. With AppDynamics, you get 100% visibility into your Java,.NET, & PHP application. Start your 15-day FREE TRIAL of AppDynamics Pro! http://pubads.g.doubleclick.net/gampad/clk?id=84349831&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
