All Frameworks  Object Hierarchy  This Framework  Indexes   

SWKErgoLiftLower (Object)

This interface deals the lift/lower ergonomic analysis.

Property Index

Coupling
Returns or sets the coupling condition for the lift/lower analysis.
Duration
Returns or sets the lift duration.
Frequency
Returns or sets the lift frequecy.
GuideLine
Returns or sets the guideline for the lift/lower analysis.
NIOSH_ActionLimit
This field is set to a valid value for the NIOSH 1981 analysis only
.
NIOSH_AngleOfAsymmetryFinal
This field is set to a valid value for the NIOSH 1991 analysis only.
NIOSH_AngleOfAsymmetryInitial
This field is set to a valid value for the NIOSH 1991 analysis only.
NIOSH_AsymmetricMultiplierFinal
This field is set to a valid value for the NIOSH 1991 analysis only.
NIOSH_AsymmetricMultiplierInitial
This field is set to a valid value for the NIOSH 1991 analysis only.
NIOSH_CouplingMultiplierFinal
This field is set to a valid value for the NIOSH 1991 analysis only.
NIOSH_CouplingMultiplierInitial
This field is set to a valid value for the NIOSH 1991 analysis only.
NIOSH_DistanceMultiplier
This field is set to a valid value for the NIOSH 1991 analysis only.
NIOSH_FrequencyMultiplier
This field is set to a valid value for the NIOSH 1991 analysis only.
NIOSH_HorizontalLocationFinal
This field is set to a valid value for the NIOSH 1991 analysis only.
NIOSH_HorizontalLocationInitial
This field is set to a valid value for the NIOSH 1991 analysis only.
NIOSH_HorizontalMultiplierFinal
This field is set to a valid value for the NIOSH 1991 analysis only.
NIOSH_HorizontalMultiplierInitial
This field is set to a valid value for the NIOSH 1991 analysis only.
NIOSH_LIFinal
This field is set to a valid value for the NIOSH 1991 analysis only.
NIOSH_LIInitial
This field is set to a valid value for the NIOSH 1991 analysis only.
NIOSH_LoadConstant
This field is set to a valid value for the NIOSH 1991 analysis only.
NIOSH_MaximumPermLimit
This field is set to a valid value for the NIOSH 1981 analysis only.
NIOSH_RWLFinal
This field is set to a valid value for the NIOSH 1991 analysis only.
NIOSH_RWLInitial
This field is set to a valid value for the NIOSH 1991 analysis only.
NIOSH_TravelDistance
This field is set to a valid value for the NIOSH 1991 analysis only.
NIOSH_VerticalLocationFinal
This field is set to a valid value for the NIOSH 1991 analysis only.
NIOSH_VerticalLocationInitial
This field is set to a valid value for the NIOSH 1991 analysis only.
NIOSH_VerticalMultiplierFinal
This field is set to a valid value for the NIOSH 1991 analysis only.
NIOSH_VerticalMultiplierInitial
This field is set to a valid value for the NIOSH 1991 analysis only.
ObjectWeight
Returns or sets the weight of the object being lifted.
Population
Returns or sets the percentage of the population that should be able to perform the lift/lower task safely.
Snook_MaximumWeight
This field is set to a valid value for the Snook/Ciriello 1991 analysis only.
WarningMessage
Returnes an eventual warning message generated along with the study.

Method Index

SaveFinalPosture
Saves the current posture of the mankin as the final posture for the lift/lower analysis.
SaveInitialPosture
Saves the current posture of the mankin as the initial posture for the lift/lower analysis.

Properties


o Property Coupling() As
Returns or sets the coupling condition for the lift/lower analysis.
The value of the parameter must be either "Good", "Fair", or "Poor".

N.B.: This coupling condition must be set before attempting
to retrive any output value from the study, if the input gudeline is
"NIOSH1991". Failure to do so will result in
invalid output values.
o Property Duration() As
Returns or sets the lift duration.
This frequency must be expressed in hours per day, cannot be greater than
8.0 and must be specified before attempting to retrive any output value
from the study. Failure to do so will result in invalid output values.
o Property Frequency() As
Returns or sets the lift frequecy.
This frequency must be expressed in lifts per second, and must
be specified before attempting to retrive any output value from the study.
Failure to do so will result in invalid output values.
o Property GuideLine() As
Returns or sets the guideline for the lift/lower analysis.
The value of the parameter must be either "NIOSH1981", "NIOSH1991", or "SnookCiriello1991".

N.B.: This guideline must be set before attempting
to retrive any output value from the study, otherwise these outputs will
have invalid values.
o Property NIOSH_ActionLimit() As (Read Only)
This field is set to a valid value for the NIOSH 1981 analysis only
. It is the weight below which the task could
be considered reasonably safe.
o Property NIOSH_AngleOfAsymmetryFinal() As (Read Only)
This field is set to a valid value for the NIOSH 1991 analysis only.
This value provides the angular measure of how far the object is displaced from the front (mid-sagital plane) of the worker's body at the ending of the lift, in in the current V5 units.
This property gives the asymmetry angle at the destination
(i.e., given the final posture of the manikin).
o Property NIOSH_AngleOfAsymmetryInitial() As (Read Only)
This field is set to a valid value for the NIOSH 1991 analysis only.
This value provides the angular measure of how far the object is displaced from the front (mid-sagital plane) of the worker's body at the beginning of the lift, in in the current V5 units.
This property gives the asymmetry angle at the origin
(i.e., given the initial posture of the manikin).
o Property NIOSH_AsymmetricMultiplierFinal() As (Read Only)
This field is set to a valid value for the NIOSH 1991 analysis only.
This value provides the asymmetric multiplier.
This property gives the asymmetric multiplier at the destination
(i.e., given the final posture of the manikin).
o Property NIOSH_AsymmetricMultiplierInitial() As (Read Only)
This field is set to a valid value for the NIOSH 1991 analysis only.
This value provides the asymmetric multiplier.
This property gives the asymmetric multiplier at the origin
(i.e., given the initial posture of the manikin).
o Property NIOSH_CouplingMultiplierFinal() As (Read Only)
This field is set to a valid value for the NIOSH 1991 analysis only.
This value provides the coupling multiplier bases ont hte coupling classification and vertical location of the lift (V).
This property gives the coupling multiplier at the destination
(i.e., given the final
o Property NIOSH_CouplingMultiplierInitial() As (Read Only)
This field is set to a valid value for the NIOSH 1991 analysis only.
This value provides the coupling multiplier bases ont hte coupling classification and vertical location of the lift (V).
This property gives the coupling multiplier at the origin
(i.e., given the initial posture of the manikin).
o Property NIOSH_DistanceMultiplier() As (Read Only)
This field is set to a valid value for the NIOSH 1991 analysis only.
This value provides the distance multiplier.
This property gives the distance multiplier.
o Property NIOSH_FrequencyMultiplier() As (Read Only)
This field is set to a valid value for the NIOSH 1991 analysis only.
This value provides the frequency depending upon the average of lifts/min (F), the vertical location (V) of the hand at the origin, and the duration of continuous lifting.
This property gives the frequency multiplier.
o Property NIOSH_HorizontalLocationFinal() As (Read Only)
This field is set to a valid value for the NIOSH 1991 analysis only.
This value provides the distance of the hands from the mid-point between the ankles, in in the current V5 units.
This property gives the horizontal location at the destination
(i.e., given the final posture of the manikin).
o Property NIOSH_HorizontalLocationInitial() As (Read Only)
This field is set to a valid value for the NIOSH 1991 analysis only.
This value provides the distance of the hands from the mid-point between the ankles, in in the current V5 units.
This property gives the horizontal location at the origin
(i.e., given the initial posture of the manikin).
o Property NIOSH_HorizontalMultiplierFinal() As (Read Only)
This field is set to a valid value for the NIOSH 1991 analysis only.
This value provides the horizontal multiplier.
This property gives the horizontal multiplier at the destination
(i.e., given the final posture of the manikin).
o Property NIOSH_HorizontalMultiplierInitial() As (Read Only)
This field is set to a valid value for the NIOSH 1991 analysis only.
This value provides the horizontal multiplier.
This property gives the horizontal multiplier at the origin
(i.e., given the initial posture of the manikin).
o Property NIOSH_LIFinal() As (Read Only)
This field is set to a valid value for the NIOSH 1991 analysis only.
This value provides a relative estimate of the level of physical stress.
This property gives the lifting index at the destination
(i.e., given the final posture of the manikin).
o Property NIOSH_LIInitial() As (Read Only)
This field is set to a valid value for the NIOSH 1991 analysis only.
This value provides a relative estimate of the level of physical stress.
This property gives the lifting index at the origin
(i.e., given the initial posture of the manikin).
o Property NIOSH_LoadConstant() As (Read Only)
This field is set to a valid value for the NIOSH 1991 analysis only.
This value provides the load constant.
This property gives the load constant at the destination
(i.e., given the final posture of the manikin).
o Property NIOSH_MaximumPermLimit() As (Read Only)
This field is set to a valid value for the NIOSH 1981 analysis only.
This value represents a weight limit, above which the
task is considered dangerous and requires engineering controls.
o Property NIOSH_RWLFinal() As (Read Only)
This field is set to a valid value for the NIOSH 1991 analysis only.
It represents the weight of the load, that healthy workers could
perform over a certain period of time without risk.
This property gives the recommended weight at the destination
(i.e., given the final posture of the manikin).
o Property NIOSH_RWLInitial() As (Read Only)
This field is set to a valid value for the NIOSH 1991 analysis only.
It represents the weight of the load that healthy workers
could perform over a certain period of time without risk.
This property gives the recommended weight at the origin
(i.e., given the initial posture of the manikin).
o Property NIOSH_TravelDistance() As (Read Only)
This field is set to a valid value for the NIOSH 1991 analysis only.
This value provides the absolute value of the difference between the vertical heights at the destination and origin of the lift, in in the current V5 units.
This property gives the travel distance
o Property NIOSH_VerticalLocationFinal() As (Read Only)
This field is set to a valid value for the NIOSH 1991 analysis only.
This value provides the distance of the hands above the floor, in in the current V5 units.
This property gives the vertical location at the destination
(i.e., given the final posture of the manikin).
o Property NIOSH_VerticalLocationInitial() As (Read Only)
This field is set to a valid value for the NIOSH 1991 analysis only.
This value provides the distance of the hands above the floor, in in the current V5 units.
This property gives the vertical location at the origin
(i.e., given the initial posture of the manikin).
o Property NIOSH_VerticalMultiplierFinal() As (Read Only)
This field is set to a valid value for the NIOSH 1991 analysis only.
This value provides the absolute value or deviation of V (vertical location) from an optimum height of 30 inches (75 cm).
This property gives the vertical multiplier at the destination
(i.e., given the final posture of the manikin).
o Property NIOSH_VerticalMultiplierInitial() As (Read Only)
This field is set to a valid value for the NIOSH 1991 analysis only.
This value provides the absolute value or deviation of V (vertical location) from an optimum height of 30 inches (75 cm).
This property gives the vertical multiplier at the origin
(i.e., given the initial posture of the manikin).
o Property ObjectWeight() As
Returns or sets the weight of the object being lifted.
This weight must specified at least once, if the current input guideline is "NIOSH1991".
Failure to do so will result in invalid output values.
o Property Population() As
Returns or sets the percentage of the population that should be able to perform the lift/lower task safely.
This property can only take the values 50.0, 75.0 and 90.0,and must be specified
at least once, if the current input guideline is "NIOSH1991".
Failure to do so will result in invalid output values.
o Property Snook_MaximumWeight() As (Read Only)
This field is set to a valid value for the Snook/Ciriello 1991 analysis only.
It is the maximum acceptable weight of the load that the selected population
can lift or carry with reasonable safety.
o Property WarningMessage() As (Read Only)
Returnes an eventual warning message generated along with the study.

Methods


o Sub SaveFinalPosture()
Saves the current posture of the mankin as the final posture for the lift/lower analysis.
o Sub SaveInitialPosture()
Saves the current posture of the mankin as the initial posture for the lift/lower analysis.

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