Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Niels Henrik Pedersen"'
Autor:
Niels Henrik Pedersen, Sören Christian Jensen, R.H. Hansen, Anders Hedegaard Hansen, Torben Ole Andersen
Publikováno v:
Modeling, Identification and Control, Vol 39, Iss 4, Pp 245-259 (2018)
This paper concerns a novel energy efficient hydraulic cylinder drive concept, consisting of three pressure lines used to supply a hydraulic cylinder(s). The proposed concept allows for reduced throttling losses compared to conventional solutions, wh
Externí odkaz:
https://doaj.org/article/8b75028aaccb4f66b8b377bf0f515540
Publikováno v:
Modeling, Identification and Control, Vol 39, Iss 3, Pp 167-177 (2018)
To enhance the use of the Digital Displacement Machine (DDM) technology as the future solution for low speed fluid power pump and motor units, a Model Predictive Control (MPC) strategy is presented. For a low speed DDM, the conventional full stroke o
Externí odkaz:
https://doaj.org/article/dd8d6e34d8404b9abd75b6de519edd3f
Publikováno v:
Modeling, Identification and Control, Vol 39, Iss 2, Pp 91-105 (2018)
This paper investigates the many complications arising when controlling a digital displacement hydraulic machine with non-smooth dynamical behavior. The digital hydraulic machine has a modular construction with numerous independently controlled press
Externí odkaz:
https://doaj.org/article/76c90fe0096745e5bff4d03a0126b4c5
Publikováno v:
Pedersen, N H, Johansen, P, Schmidt, L, Scheidl, R & Andersen, T O 2020, ' Control and performance analysis of a digital direct hydraulic cylinder drive ', International Journal of Fluid Power, vol. 20, no. 3, pp. 295-322 . https://doi.org/10.13052/ijfp1439-9776.2032
This paper concerns control of a digital direct hydraulic cylinder drive (D-DHCD) and is a novel concept with the potential to become the future solution for energy efficient hydraulic drives. The concept relies on direct control of a differential cy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e0ee603aaa3123bb5f5d446a2d25a59a
https://doi.org/10.13052/ijfp1439-9776.2032
https://doi.org/10.13052/ijfp1439-9776.2032
Publikováno v:
Pedersen, N H, Johansen, P & Andersen, T O 2020, ' Feedback Control of Pulse-Density Modulated Digital Displacement Transmission using a Continuous Approximation ', I E E E-A S M E Transactions on Mechatronics, vol. 25, no. 5, 9034190, pp. 2472-2482 . https://doi.org/10.1109/TMECH.2020.2980122
Feedback control of digital displacement machines is complicated due to the nonsmooth digital behavior. Full-stroke operated digital displacement machines are characterized by delivering a discrete volumetric output based on the ratio of activated cy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9952b829a40455bfba6094a346d0fdbd
https://vbn.aau.dk/da/publications/85e35e2b-92d1-484e-8c86-e6bad4e75476
https://vbn.aau.dk/da/publications/85e35e2b-92d1-484e-8c86-e6bad4e75476
Publikováno v:
Modeling, Identification and Control, Vol 39, Iss 2, Pp 91-105 (2018)
Pedersen, N H, Johansen, P & Andersen, T O 2018, ' Challenges with Respect to Control of Digital Displacement Hydraulic Units ', Modeling, Identification and Control (Online), vol. 39, no. 2, pp. 91-105 . https://doi.org/10.4173/mic.2018.2.4
Pedersen, N H, Johansen, P & Andersen, T O 2018, ' Challenges with Respect to Control of Digital Displacement Hydraulic Units ', Modeling, Identification and Control (Online), vol. 39, no. 2, pp. 91-105 . https://doi.org/10.4173/mic.2018.2.4
This paper investigates the many complications arising when controlling a digital displacement hydraulic machine with non-smooth dynamical behavior. The digital hydraulic machine has a modular construction with numerous independently controlled press
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bfa1052580dac29d8b68e7c9fc4dbc87
http://www.mic-journal.no/PDF/2018/MIC-2018-2-4.pdf
http://www.mic-journal.no/PDF/2018/MIC-2018-2-4.pdf
Publikováno v:
Pedersen, N H, Johansen, P & Andersen, T O 2019, Linear Hybrid Dynamical Control of Digital Displacement Units . in Proceedings of 16th Scandinavian International Conference on Fluid Power, SICFP19 . Tampere University of Technology, Scandinavian International Conference on Fluid Power (SICFP), pp. 89-99, The 16th Scandinavian International Conference on Fluid Power, Tampere, Finland, 22/05/2019 .
Aalborg University
Aalborg University
This paper concerns development of control strategies for energy efficient fluid power digital displacement machines R(DDM). The DDM technology yields an efficient reduction in displacement levels by deactivating independently cylinder pressure chamb
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::22edd22eab31944708aeb56cc45e1726
https://vbn.aau.dk/ws/files/315885920/B1.1_Pedersen_Linear_Hybrid_Dynamical_Control_of_Digital_Displacement_Units.pdf
https://vbn.aau.dk/ws/files/315885920/B1.1_Pedersen_Linear_Hybrid_Dynamical_Control_of_Digital_Displacement_Units.pdf
Publikováno v:
Pedersen, N H, Johansen, P & Andersen, T O 2019, Analysis of the Non-smooth Dynamical Effects and Suitable Operation and Control Strategies for Digital Displacement Units . in Proceedings of 10th Workshop on Digital Fluid Power . Johannes Kepler University Linz, The 10th Workshop on Digital Fluid Power, Linz, Austria, 28/02/2019 .
Aalborg University
Aalborg University
Newly emerging digital hydraulic pump-motor units enable high efficient operation and thereby span widely with respect to potentially application use. The digital displacement machine (DDM) provides four-quadrant operation at lower losses compared to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::b61e10b2faa7b6370a9cb5084c634b62
https://vbn.aau.dk/da/publications/ed571239-adec-44ee-8695-3faf27ec77ec
https://vbn.aau.dk/da/publications/ed571239-adec-44ee-8695-3faf27ec77ec
Autor:
Torben Ole Andersen, Anders Hedegaard Hansen, Rico Hjerm Hansen, Niels Henrik Pedersen, Søren Christian Jensen
Publikováno v:
Pedersen, N H, Jensen, S C, Hansen, R H, Hansen, A H & Andersen, T O 2018, ' Control of an Energy Efficient Hydraulic Cylinder Drive with Multiple Pressure Lines ', Modeling, Identification and Control (Online), vol. 39, no. 4, pp. 245-259 . https://doi.org/10.4173/mic.2018.4.2
Modeling, Identification and Control, Vol 39, Iss 4, Pp 245-259 (2018)
Modeling, Identification and Control, Vol 39, Iss 4, Pp 245-259 (2018)
This paper concerns a novel energy efficient hydraulic cylinder drive concept, consisting of three pressure lines used to supply a hydraulic cylinder(s). The proposed concept allows for reduced throttling losses compared to conventional solutions, wh
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eb369ffdc4d0d41e0ec2b1d765bfb3cb
https://vbn.aau.dk/da/publications/bbf29245-220c-4947-ae59-defb309f5fa2
https://vbn.aau.dk/da/publications/bbf29245-220c-4947-ae59-defb309f5fa2
Publikováno v:
Pedersen, N H, Johansen, P & Andersen, T O 2018, Four quadrant hybrid control oriented dynamical system model of digital displacement ® units . in Proceedings of the Bath/ASME Symposium on Fluid Power and Motion Control, FPMC2018 ., FPMC2018-8874, American Society of Mechanical Engineers, BATH/ASME 2018 Symposium on Fluid Power and Motion Control, Bath, United Kingdom, 12/09/2018 . https://doi.org/10.1115/FPMC2018-8874
Proper feedback control of dynamical systems requires models that enables stability analysis, from where control laws may be established. Development of control oriented models for digital displacement (DD) fluid power units is complicated by the non
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::87390d260f4ead031b276ca7c5d7a81d
https://doi.org/10.1115/fpmc2018-8874
https://doi.org/10.1115/fpmc2018-8874