[Bldg-sim] ESPr vs. E+ for occupant behavior research

[Paul Carey]

Thanks Michael


Clearly I have a lot to learn about what E+ can link with.

Cheers

Paul



Sent from my iPhone

On 9 Apr 2010, at 16:32, Michael Wetter <mwetter at lbl.gov> wrote:

> Holly,
>
> In EnergyPlus, you could implement a model for the user behavior  
> using either the Energy Management System or the Building Controls  
> Virtual Test Bed. The Building Controls Virtual Test Bed would allow  
> you to implement the user behavior model either in MATLAB, Simulink,  
> Modelica, Ptolemy or in your custom program, and link it during run- 
> time to EnergyPlus so they can exchange data as the simulation  
> progresses. It is available from https://gaia.lbl.gov/bcvtb
>
> All the best,
>
> Michael Wetter
>
> On Fri, Apr 9, 2010 at 7:49 AM, Paul Carey <paul at zed-uk.com> wrote:
> Holly,
>
>
>
> You can use an external file within a schedule to model say  
> occupancy.  If you had data that told you the level of occupancy for  
> each room for each hour of the day, etc then you can bring that file  
> into the EnergyPlus model within a schedule for occupancy and hence  
> it would allow you to model it exactly if necessary.  Then using the  
> Parametric tools that E+ offers, you could then change a variable at  
> a time (that would be my preference, even though you can do more  
> than 1 at a time) to then work out the effects of those variances  
> and the link to occupancy and effectiveness, etc.
>
>
>
> ESP-r will probably run faster than E+ which will be useful if your  
> models are large.  Both are difficult to work in.
>
>
>
> Cheers
>
> Paul
>
>
>
>
>
>
>
>
>
>
>
> Dr Paul Carey
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> From: bldg-sim-bounces at lists.onebuilding.org [mailto:bldg-sim- 
> bounces at lists.onebuilding.org] On Behalf Of holly wasilowski
> Sent: 09 April 2010 14:47
> To: bldg-sim at lists.onebuilding.org
> Subject: [Bldg-sim] ESPr vs. E+ for occupant behavior research
>
>
>
> I am studying the impacts of occupant behavior on the success of  
> various building technologies, such as natural ventilation, radiant  
> ceilings, phase-change materials, automatic lighting controls,  
> demand-controlled ventilation, etc. using whole building energy  
> simulation.  I am wondering whether to use EnergyPlus or ESP-r.  An  
> advantage of ESP-r seems to be the SHOCC module, which seems to  
> offer a great deal of flexibility for manipulating occupant  
> behavior, including stochastic processes.  However an advantage of  
> EnergyPlus seems to be its extensive HVAC libraries so that I can  
> actually model energy use instead of loads.  I am wondering if the  
> EnergyPlus Runtime Language (ERL) (described in Ellis, Torcellini,  
> Crawley 2007) would offer the opportunity for a similar level of  
> occupancy control via simple programming.  I would appreciate any  
> advice on the appropriateness of each software for this research.
>
> Thanks in advance!
>
> Holly
>
>
>
> Holly Wasilowski
>
> Doctoral Student in Sustainable Design
>
> Harvard Graduate School of Design
>
>
>
>
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