Component

PR

,

, d

Name

Condition

Description

ID

Rear Carrier flange

rear_carrier

Front Ring flange

front_ring

Rear Sun and Front Sun gears are connected)

-

Sun flange

sun

Rear Ring (rR) (the same as Front Carrier)

Rear Ring flange

rear_ring

Rear planet flange

rear_planet

Front planet flange

front_planet

Conditional real output port for power loss

lossPower

Symbol

Condition

Default

Units

Description

ID

-

-

Defines whether the component is:

true - ideal or

false - non-ideal

ideal

data source

GUI        

-

Defines the source for the loss data:

datasourcemode

true

-

Defines whether one efficiency data table is used for all meshing loss calculations [] or the efficiency of each meshing gear pair is given by a separate data table [].

SameMeshingEfficiency

-

-

Rear ring/Sun Gear ratio

ratio2

Front Ring/Sun Gear ratio

ratio1

Number of planet pair gears for both front and rear planetary gears

numberofPlanets

same loss data = true 

data source = GUI

Defines all velocity dependant meshing efficiencies.

The columns are:

[      ( ( )      ( )]

Five options are available:

Entered value is taken as the constant efficiency for forward and backward cases

 ( ) =  ( ) =

First entered value is taken as the constant efficiency for forward case and the second for backward cases

 () =  ( ) =

First column is ignored and the second and third values are taken as constant efficiencies for forward and backward cases, respectively

2nd column is forward and backward efficiency

 () =  ( ) = ( )

2nd column is forward efficiency

 ()

3rd column is backward efficiency

 ( )

meshinglossTable5

ideal = false

same loss data = true 

data source = attachment

- 

Defines velocity dependant meshing efficiency

First column is angular velocity ()

(See  below)

data5

ideal = false

same loss data = true 

data source = file 

- 

fileName5

ideal = false

same loss data = true

data source = attachment or file

-

Defines the corresponding data columns used for forward efficiency () and backward efficiency ( )

Two options are available:

Data column corresponding to the column number is used for both forward and backward efficiency ( 

Data column corresponding to the first column number is used for forward efficiency (

and data column corresponding to the second column number is used for backward efficiency (

columns5

ideal = false

same loss data = false 

data source = GUI

Defines rear Ring/rear Planet velocity dependant meshing efficiency as a function of   .

The columns are:

[     (( )     ( )]

First column is angular velocity of the ring gear w.r.t. the carrier ()

Five options are available:

Entered value is taken as the constant efficiency for forward and backward cases

( ) = =

First entered value is taken as the constant efficiency for forward case and the second for backward cases

( ) =( ) =

First column is ignored and the second and third values are taken as constant efficiencies for forward and backward cases, respectively.

Second column is forward and backward efficiencies

( ) = ( ) = ( )

Second column is forward efficiency

 ( )

Third column is backward efficiency

( )

meshinglossTable2

ideal = false

same loss data = false 

data source = attachment

- 

Defines the velocity dependent meshing efficiency

First column is angular velocity ( )

(See  below)

data2

ideal = false

same loss data = false 

data source = file

-

fileName2

ideal = false

same loss data = false 

data source = attachment or file

-

Defines the corresponding data columns used for forward efficiency () and backward efficiency ()

Two options are available:

Data column corresponding to the column number is used for both forward and backward efficiency ( 

Data column corresponding to the first column number is used for forward efficiency () and

data column corresponding to the second column number is used for backward efficiency ()

columns2

ideal = false

same loss data = false 

data source = GUI

Defines front Ring/front Planet velocity dependant meshing efficiency as a function of   .

The columns are:

[     (( )     ( )]

First column is angular velocity of the sun gear w.r.t. carrier ()

Five options are available:

Entered value is taken as the constant efficiency for forward and backward cases

() = =

First entered value is taken as the constant efficiency for forward case and the second for backward cases

() =( ) =

First column is ignored and the second and third values are taken as constant efficiencies for forward and backward cases, respectively

Second column is forward and backward efficiency

( ) = ( ) = ( )

Second column is forward efficiency

 ( )

Third column is backward efficiency

( )

meshinglossTable1

ideal = false

same loss data = false 

data source = attachment

- 

Defines the velocity dependent meshing efficiency

First column is angular velocity ( )

(See  below)

data1

ideal = false

same loss data = false 

data source = file

-

fileName1

ideal = false

same loss data = false 

data source = attachment or file

-

Defines the corresponding data columns used for forward () and backward () efficiency

Two options are available:

Data column corresponding to the column number is used for both forward and backward efficiency ( 

Data column corresponding to the first column number is used for forward efficiency () and

data column corresponding to the second column number is used for backward efficiency ()

columns1

ideal = false

same loss data = false 

data source = GUI

Defines rear Planet/rear Sun velocity dependant meshing efficiency as a function of  .

The columns are:

[     (( )     ( )]

First column is angular velocity of the sun gear w.r.t. carrier ()

Five options are available:

Entered value is taken as the constant efficiency for forward and backward cases

(( ) = =)

First entered value is taken as the constant efficiency for forward case and the second for backward cases

(( ) =( ) =)

First column is ignored and the second and third values are taken as constant efficiencies for forward and backward cases, respectively

Second column is forward and backward efficiency

(( ) = ( ) = ( ))

Second column is forward efficiency

 ( )

Third column is backward efficiency

( )

meshinglossTable4

ideal = false

same loss data = false 

data source = attachment

- 

Defines the velocity dependent meshing efficiency

First column is angular velocity ( )

(See  below)

data4

ideal = false

same loss data = false 

data source = file

-

fileName4

ideal = false

same loss data = false 

data source = attachment or file

-

Defines the corresponding data columns used for forward () and backward () efficiency

Two options are available:

Data column corresponding to the column number is used for both forward and backward efficiency  

Data column corresponding to the first column number is used for forward efficiency () and

data column corresponding to the second column number is used for backward efficiency ()

columns4

ideal = false

same loss data = false 

data source = GUI

Defines front Planet/front Sun velocity dependant meshing efficiency as a function of  .

The columns are:

[          ]

First column is angular velocity of the sun gear w.r.t. carrier ()

Five options are available:

Entered value is taken as the constant friction torque for forward and backward cases

( ) = =

First entered value is taken as the constant friction torque for forward case and the second for backward cases

( ) =( ) =

First column is ignored and the second and third values are taken as constant friction torque for forward and backward cases, respectively

Second column is forward and backward efficiency

() = ( ) = ( )

Second column is forward efficiency

 ( )

Third column is backward efficiency

( )

bearinglossTable3

ideal = false

same loss data = false 

data source = attachment

- 

Defines the velocity dependent meshing efficiency

First column is angular velocity ( )

(See  below)

data3

ideal = false

same loss data = false 

data source = file

-

fileName3

ideal = false

same loss data = false 

data source = attachment or file

-

Defines the corresponding data columns used for forward () and backward () efficiency

Two options are available:

Data column corresponding to the column number is used for both forward and backward efficiency  

Data column corresponding to the first column number is used for forward friction torque () and data column corresponding to the second column number is used for backward friction torque ()

columns3

ideal = false

same loss data = true 

0

Linear damping in rear planet/carrier bearings

d2

ideal = false

same loss data = true 

0

Linear damping in front planet/carrier bearings

d1

d

ideal = false

same loss data = true 

0

Linear damping in both planet/carrier bearings

d3

smoothness

Table points are linearly interpolated

-

Defines the smoothness of table interpolation

There are two options:

smoothness