Re: [Emc-users] Accuracy of the resolver.

2021-02-22 Thread Jon Elson
On 02/22/2021 12:32 PM, andy pugh wrote: On Mon, 22 Feb 2021 at 17:37, dave engvall wrote: Another view point. https://www.heidenhain.us/resources-and-news/resolvers-vs-encoders/ How odd that the encoder manufacturer thinks that encoders are better :-) In the presence of electrical noise,

Re: [Emc-users] Accuracy of the resolver.

2021-02-22 Thread andy pugh
On Mon, 22 Feb 2021 at 17:37, dave engvall wrote: > > Another view point. > https://www.heidenhain.us/resources-and-news/resolvers-vs-encoders/ How odd that the encoder manufacturer thinks that encoders are better :-) -- atp "A motorcycle is a bicycle with a pandemonium attachment and is

Re: [Emc-users] Accuracy of the resolver.

2021-02-22 Thread dave engvall
On 2/22/21 8:56 AM, Jon Elson wrote: On 02/22/2021 09:55 AM, andy pugh wrote: On Sun, 21 Feb 2021 at 18:17, nkp216 wrote: How to calculate the accuracy of the resolver? In terms of linearity or in terms of resolution? Resolution is hard to quantify, as they are analogue devices, so the

Re: [Emc-users] Accuracy of the resolver.

2021-02-22 Thread dave engvall
On 2/22/21 7:55 AM, andy pugh wrote: On Sun, 21 Feb 2021 at 18:17, nkp216 wrote: How to calculate the accuracy of the resolver? In terms of linearity or in terms of resolution? Resolution is hard to quantify, as they are analogue devices, so the accuracy is dependent on the measurement

Re: [Emc-users] Accuracy of the resolver.

2021-02-22 Thread Jon Elson
On 02/22/2021 09:55 AM, andy pugh wrote: On Sun, 21 Feb 2021 at 18:17, nkp216 wrote: How to calculate the accuracy of the resolver? In terms of linearity or in terms of resolution? Resolution is hard to quantify, as they are analogue devices, so the accuracy is dependent on the measurement

Re: [Emc-users] Accuracy of the resolver.

2021-02-22 Thread andy pugh
On Sun, 21 Feb 2021 at 18:17, nkp216 wrote: > > How to calculate the accuracy of the resolver? In terms of linearity or in terms of resolution? Resolution is hard to quantify, as they are analogue devices, so the accuracy is dependent on the measurement device, not the sensor. The Mesa 7i49

Re: [Emc-users] Accuracy of the resolver.

2021-02-22 Thread dave engvall
On 2/21/21 10:15 AM, nkp216 wrote: How to calculate the accuracy of the resolver? 1.Does this calculation make sense? https://forum.linuxcnc.org/27-driver-boards/39629-1988-fadal-4020-conversion-thoughts-mesa-6i24-7i49?start=10#176312 2. And if the gear ratio is made 1:5 ? On 2/21/21

[Emc-users] Accuracy of the resolver.

2021-02-21 Thread nkp216
How to calculate the accuracy of the resolver? 1.Does this calculation make sense? https://forum.linuxcnc.org/27-driver-boards/39629-1988-fadal-4020-conversion-thoughts-mesa-6i24-7i49?start=10#176312 2. And if the gear ratio is made 1:5 ? ___