For example, when the motors kick on, there is a slight jerking motion since the IP cores I found do not have speed ramp-up capability. I did find two cores that have such capability, but they are ...

With regard to my recent blog on FPGA Prototyping Using Verilog Examples, someone emailed me to ask if there was a VHDL version (there isn't, as far as I know). The originator of the message also said ...