To enhance the deployment potential and architectural integration of photovoltaic technologies in open public spaces, the design and development of an actuated, lightweight and unitized prototype canopy structure is presented. The system incorporates thin-film photovoltaic modules mounted on aluminum substrates, configured to track the solar trajectory for optimized energy generation. The structural assembly comprises a primary cable net coupled with a secondary system of struts and control cables, anchored to a perimetric frame. The design emphasizes structural and technical simplicity, low self-weight and a minimal number of actuation elements. The integrated interdisciplinary process followed encompasses iterative phases of geometrical system development, and analysis of the load-deformation behavior, associated kinematics and energy performance, as well as the fabrication and experimental verification of a scaled 1:5 prototype. The process is anticipated to contribute to technological innovation in future real case applications, addressing key architectural, structural, kinematic, control and energy performance parameters.
KammenDMSunterDA. City-integrated renewable energy for urban sustainability. Sci2016; 352(6288): 922–928.
2.
European Commission. Fit for 55—Delivering the EU’s 2030 climate target on the way to climate neutrality. European Commission, 2021, p. 15.
3.
SailorDJAnandJKingRR. Photovoltaics in the built environment: a critical review. Energy Build2021; 253: 111479.
4.
GholamiH. A holistic multi-criteria assessment of solar energy utilization on urban surfaces. Energies2024; 17(21): 5328.
5.
AwasthiAShuklaAKSRMM, et al.Review on sun tracking technology in solar PV system. Energy Rep2020; 6: 392–405.
6.
DodmanD. Blaming cities for climate change? An analysis of urban greenhouse gas emissions inventories. Environ Urban2009; 21(1): 185–201.
7.
BibriSEKrogstieJ. The emerging data–driven smart city and its innovative applied solutions for sustainability: the cases of London and Barcelona. Energy Inform2020; 3(1): 5.
8.
ZvolskaLLehnerMPalganYV, et al.Urban sharing in smart cities: the cases of Berlin and London. In: Smart and Sustainable Cities?Routledge, 2020, pp. 72–89.
9.
ZhangDTuY. Green building, pro-environmental behavior and well-being: evidence from Singapore. Cities2021; 108: 102980.
10.
DuyganMFischerMPärliR, et al.Where do smart cities grow? The spatial and socio-economic configurations of smart city development. Sustain Cities Soc2022; 77: 103578.
11.
AriluomaMOttelinJHautamäkiR, et al.Carbon sequestration and storage potential of urban green in residential yards: a case study from Helsinki. Urban For Urban Green2021; 57: 126939.
12.
LeeCYChouPCChiangCM, et al.Sun tracking systems: a review. J Sens2009; 9(05): 3875–3890.
13.
MousazadehHKeyhaniAJavadiA, et al.A review of principle and sun-tracking methods for maximizing solar systems output. Renew Sustain Energy Rev2009; 13(8): 1800–1818.
14.
SumathiVJayapragashRBakshiA, et al.Solar tracking methods to maximize PV system output–A review of the methods adopted in recent decade. Renew Sustain Energy Rev2017; 74: 130–138.
15.
HafezAZYousefAMHaragNM. Solar tracking systems: technologies and trackers drive types–A review. Renew Sustain Energy Rev2018; 91: 754–782.
16.
Gharakhani SirakiAPillayP. Study of optimum tilt angles for solar panels in different latitudes for urban applications. Sol Energy2012; 86(6): 1920–1928.
17.
GönülÖDumanACBarutçuB, et al.Techno-economic analysis of PV systems with manually adjustable tilt mechanisms. JESTECH or Eng Sci Technol Int J2022; 35: 101116.
18.
SunLBaiJPachauriRK, et al.A horizontal single-axis tracking bracket with an adjustable tilt angle and its adaptive real-time tracking system for bifacial PV modules. Renew Energy2024; 221: 119762.
19.
KvaszniczaZElmerG. Optimizing solar tracking systems for solar cells. In: The 4th Serbian–Hungarian joint symposium on intelligent systems,2006, 167-179.
20.
BhaduriSMurphyLM. Wind loading on solar collectors. Solar Energy Research Inst. (SERI), 1985.
21.
EnergyGE. Western wind and solar integration study. National Renewable Energy Laboratory, 2010. NREL/SR-550-47434.
22.
PrasadDSnowM. Designing with solar power: a source book for building integrated photovoltaics (BiPV). Routledge, 2014.
23.
Muñoz-CerónELomasJCAguileraJ, et al.Influence of operation and maintenance expenditures in the feasibility of photovoltaic projects: the case of a tracking pv plant in Spain. Energy Policy2018; 121: 506–518.
24.
Peinado GonzaloAPliego MarugánAGarcía MárquezFP. Survey of maintenance management for photovoltaic power systems. Renew Sustain Energy Rev2020; 134: 110347.
25.
SaxenaAKumarRSagadeAA, et al.A state-of-art review on photovoltaic systems: design, performance, and progress. Process Saf Environ Prot2024; 190: 1324–1354.
26.
PhocasMCMatheouMHaaseW. Transformable building structures in architectural engineering education. Archit Struct Constr2022; 2(1): 183–198.
27.
ReinhardPChirilăABlöschP, et al.Review of progress toward 20% efficiency flexible CIGS solar cells and manufacturing issues of solar modules. In: 2012 IEEE 38th Photovoltaic Specialists Conference (PVSC) PART 2. IEEE, 2012, pp. 1–9.
28.
JayathissaPJansenMHeerenN, et al.Life cycle assessment of dynamic building integrated photovoltaics. Sol Energy Mater Sol Cells2016; 156: 75–82.
29.
SvetozarevicB. Soft-robotic-driven adaptive photovoltaic building envelopes. PhD Thesis. ETH Zurich, 2018.
30.
NagyZSvetozarevicBJayathissaP, et al.The adaptive solar facade: from concept to prototypes. Front Archit Res2016; 5(2): 143–156.
31.
SvetozarevicBBegleMJayathissaP, et al.Dynamic photovoltaic building envelopes for adaptive energy and comfort management. Nat Energy2019; 4(8): 671–682.
32.
CarlTScheinM. Parametric patchwork–advancing the development of an organic photovoltaic carrier system through various computational methods. Proceedings of the eCAADe eCAADe 2019 / SIGraDi2019; 23: 25–34.
33.
CarlTScheinMStepperF. Solar spline–expanding on traditional sun sail typologies and Frei Otto‘s lightweight approach with the help of computational design procedures. Proceedings of the eCAADe 2018, 2018, pp. 149–156.
34.
MinelliFD’AgostinoDMigliozziM, et al.PhloVer: a modular and integrated tracking photovoltaic shading device for sustainable large urban spaces—preliminary study and prototyping. Energies2023; 16(15): 5786.
35.
FoxMA. Kinetic architectural systems design. Transportable environments2003; 2: 163–186.
36.
PronkADBuskesHKlerkLS, et al.Kinegrity: the kinetic transformation of a tensegrity. In: IASS Annual Symposia. International Association for Shell and Spatial Structures (IASS), 2014, vol 2014, pp. 1–9.
37.
PhocasMCChristoforouEGTheokliC, et al.Reconfigurable linkage structures and photovoltaics integration. J Build Eng2021; 43: 103201.
38.
PhocasMCChristoforouEGMatheouM, et al.Concept analysis of an adaptive building envelope with thin-film photovoltaic modules. Energy Build2024; 311: 114150.
39.
CarlTStepperF. “Free skin” collaboration. Negotiating complex design criteria across different scales with an interdisciplinary student team. Proceedings of the eCAADe 2016, 2016, pp. 591–600.
40.
CarlTScheinMStepperF. Sun shades—About designing adaptable solar facades. Proceedings of the eCAADe 2017, 2017, pp. 165–174.
41.
TryfonosGPhocasMCChristoforouEG, et al.Generative design and fabrication in the development of an adaptive canopy system with thin-film photovoltaics. 42nd eCAADe International Conference 2024, 2024, 1, pp. 439–446.
