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  • Multiscale modelling of Urban Systems (Avenues)

    As part of scien­ti­fic, metho­do­lo­gi­cal and tech­no­lo­gi­cal research, the Ave­nues research unit focuses its work on the arti­cu­la­tions and inter­ac­tions bet­ween seve­ral sub-sys­tems, while taking into account the socie­tal impact to approach the city as an inter­dis­ci­pli­na­ry object. .

    Objectives

    The gene­ral empha­sis of the research car­ried out by the Ave­nues team relates to mul­ti-scale and mul­ti- phy­sics model­ling of built up spaces, adop­ting varying sys­te­mic and plu­ri­dis­ci­pli­na­ry com­pu­ter aided deci­sion approaches to pro­pose plan­ning deci­sions and pro­jects to achieve sus­tai­nable cities.

    This scien­ti­fic model-based stance at the various scales met in urban areas, calls for skills in engi­nee­ring sciences (civil and urban engi­nee­ring, ener­gy, equip­ment and infra­struc­tures, net­works) and also skills in land and space plan­ning, archi­tec­ture and urban sciences, to take into account envi­ron­men­tal constraints, sus­tai­nable construc­tion and pos­sible impacts of cli­mate change. The stu­dies also aim at ana­ly­sing and redu­cing the level of vul­ne­ra­bi­li­ty of goods and per­sons in urban areas.

    Research teams and thematics

    Ave­nues is an inter­dis­ci­pli­na­ry research unit whose research object is the city, an approach based on urban dyna­mics and a method based on inter­dis­ci­pli­na­ri­ty seen as a sys­te­mic inte­gra­tion of dis­ci­pli­na­ry approaches co-trans­for­med by their mutual confron­ta­tion with the object.

    Ave­nues' fields of exper­tise cover issues rela­ted to the mul­ti-scale mode­ling of urban sys­tems and in par­ti­cu­lar aspects dea­ling with ener­gy mana­ge­ment and micro-grids, mobi­li­ty, trans­port flows and infra­struc­ture, hydro­lo­gi­cal risks, digi­tal models, urban models, deve­lop­ment and metro­po­li­ta­ni­za­tion.

    Plateforms

    3 expe­ri­men­tal plat­forms have also been deve­lo­ped and used in rela­tion to rene­wable power sources in urban areas:

    • GISOL – quan­ti­fi­ca­tion of avai­lable solar power and its uses, 
    • PLER – local stand alone, safe mul­ti-source pro­duc­tion of electricity,
    • STELLA – micro-net­work dedi­ca­ted to elec­tric vehicle char­ging sta­tions ant to sup­plying a building.

    A fourth plat­form, PLEMO3D, is inten­ded for 3D digi­ti­za­tion and mode­ling, from the micro­me­tric scale to the buil­ding scale.

    IDT chair

    The Intel­li­gent Mobi­li­ty and Ter­ri­to­rial Dyna­mics (MIDT) chair aims to contri­bute to the deve­lop­ment of a sys­te­mic and mul­ti­mo­dal approach to mobi­li­ty and spa­tial plan­ning at dif­ferent scale levels.

    Valorisation

    Resear­chers are contri­bu­ting to the deve­lop­ment of the digi­tal plat­form and the Mobi­li­té DynA­MIque appli­ca­tion (for the col­lec­tion, ana­ly­sis and extrac­tion of data on urban mobi­li­ty). A start-up will be crea­ted fol­lo­wing the phy­si­cal imple­men­ta­tion of the glo­bal data col­lec­tion sys­tem in public trans­port in the ter­ri­to­ries of the Hauts-de-France region.

    Partnerships

    The rela­tion­ships esta­bli­shed with other resear­chers allow the rea­li­za­tion of research pro­grams and contracts with ins­ti­tu­tio­nal and indus­trial part­ners from various eco­no­mic sec­tors (SYSTRA, ENEDIS Oise, MEDEE, S2E2, IRSN, ARC, SPIE,PSA…).

    A part­ner­ship agree­ment with IFSTTAR (Ins­ti­tut fran­çais des sciences et tech­no­lo­gies des trans­ports, d'aménagement et des réseaux) is the sub­ject of col­la­bo­ra­tions on various deve­lop­ments of sys­tems and net­works dedi­ca­ted to the city, both theo­re­ti­cal and applicable. 

    A col­la­bo­ra­tion with the André-Chas­tel Cen­ter, an art his­to­ry research labo­ra­to­ry, is the sub­ject of a research pro­gram on the 3D digi­ti­za­tion of his­to­ri­cal heri­tage.

    Ave­nues has been an active mem­ber of the Smart Trans­por­ta­tion Alliance (STA, www.smart-transportation.org) since 2017.

    Zoom on a project

    Decen­tra­li­zed gene­ra­tion grows signi­fi­cant­ly and grid-connec­ted sys­tem is pro­po­sed in most appli­ca­tions. Howe­ver, the inter­mit­tent and unpre­dic­table nature of rene­wable ener­gy sources, such as wind tur­bine and pho­to­vol­taic, remains an issue for their inte­gra­tion into the public grid resul­ting in: fluc­tua­tions of vol­tage and/or fre­quen­cy, har­mo­nic pol­lu­tion, dif­fi­cult load management…

    Urban areas have great poten­tial for inten­sive deve­lop­ment of these rene­wable ener­gy sources.To increase their inte­gra­tion level and obtain a robust power grid, the smart grid could solve pro­blems of peak consump­tion, opti­mal ener­gy and demand res­ponse. The smart grid is being desi­gned pri­ma­ri­ly to exchange infor­ma­tion on grid needs and avai­la­bi­li­ty, and to help balan­cing powers via avoi­ding unde­si­rable injec­tion and per­for­ming peak shaving.

    Concer­ning ancil­la­ry ser­vices (grid tech­ni­cal regu­la­tions), for bet­ter decen­tra­li­za­tion of pro­duc­tion, micro-grids play an impor­tant role. A micro-grid includes a mul­ti-source sys­tem consis­ting of rene­wable ener­gy sources, sto­rage sys­tems and adjus­table loads. A control­ler is used to inter­act with the smart grid; it pro­vides vol­tage control, power balan­cing, load sha­ring or load shed­ding, and takes into account the constraints of the public grid pro­vi­ded by smart grid com­mu­ni­ca­tion. At urban scale, the buil­ding-inte­gra­ted micro-grid pro­po­sed by the PLER pro­ject pro­vides a solu­tion for the self-sup­ply of buil­dings and control­led grid inter­ac­tion. The objec­tive of this research is to desi­gn and deve­lop an intel­li­gent ener­gy mana­ge­ment sys­tem that opti­mizes power trans­fer in micro-grid, adapts to condi­tions impo­sed by the public grid through the smart grid bus com­mu­ni­ca­tion, and takes into account the various constraints in order to mini­mize the ener­gy consump­tion from the public grid and to make full use of local pro­duc­tion. The main appli­ca­tion is repre­sen­ted by com­mer­cial and office buildings.

    The inter­face bet­ween the smart grid and the pro­po­sed micro-grid offers stra­te­gies which ensure, at the same time, local power balan­cing, local power­flow opti­mi­za­tion and res­ponse to grid issues such as peak sha­ving and avoi­ding unde­si­red injec­tions The main scien­ti­fic issue is the dif­fi­cul­ty of glo­bal opti­mi­za­tion due to the risk of mis­match bet­ween pre­dic­tions and real time ope­ra­ting conditions,on the one hand, and the need to take into account the constraints impo­sed by the public net­work, on the other hand. The results of expe­ri­men­tal tests demons­trate the tech­ni­cal fea­si­bi­li­ty and vali­date the micro-grid design.

    Contact and documentation

    Contacts de la recherche à l'UTC

    Contact

    Direc­trice du labo­ra­toire Ave­nues
    Manue­la Sechi­la­riu
     +33 (0)3 44 23 50 27

    Contact

    OPIP
    Jean-Pas­cal Fou­cault
     +33 (0)3 44 23 49 64

    Pla­quette de la recherche à l'UTC

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