Seminar in Aeronautics. LiU-UFSC-SAAB cooperation on efficient hydraulic systems for aeronautics

Transcription

1 Seminar in Aeronautics Brasília, May 16, 2016 LiU-UFSC-SAAB cooperation on efficient hydraulic systems for aeronautics Prof. Victor J. De Negri Federal University of Santa Catarina Department of Mechanical Engineering LASHIP - Laboratory of Hydraulic and Pneumatic Systems

2 Outline The Starting Point of Collaboration Industry-Academic Collaboration Brazil Speeches about University-Industry Experiences Organization of Swedish-Brazilian Workshops Collaboration on Research Projects Ongoing Project: Efficient Hydraulic Hybrid Systems for Aeronautical Applications Next Steps 2 of 25

3 The Starting Point of Collaboration February, 2011 São B. do Campo, São Paulo CISB - Brazilian-Swedish Research and Innovation Workshop II Meeting between FEI LiU UFSC - UFABC Startup of joint activities between Petter Krus (LiU) and Victor J. De Negri (UFSC) on the field of fluid power systems, design methodology, and aeronautic applications May, 2011 São B. do Campo, São Paulo Inauguration of the Swedish-Brazilian Research and Innovation Centre (CISB) 3 of 25

4 Industry-Academic Collaboration - Brazil March, 2013 São Paulo Centro de Exposições Imigrantes Meeting Industry-Academy: Teaching and Research on H&P: From industry: Hydraulic Designers; AT Automação; Moog; RKM; Schulz; Airzap; Bosch Rexroth; TCT-Treinamento; ABIMAQ From academy: UFABC (Prof. Luciana Pereira); FEI (Prof. Agenor Fleury); Linköping University; UFSC Results: Preliminary diagnosis Few research on fluid power systems and components Theoretical emphasis Lack of product development in industry Technology from abroad Poor Industry-Academy interaction 4 of 25

5 Industry-Academic Collaboration - Brazil ABIMAQ/CSHPA (Chamber of Hydraulics, Pneumatics, and Automation Systems) Discussion about: Actions for Teaching, Research and Innovation Opportunities for R&D funding in industry University Research Results from research Knowledge Researchers Graduate Students Knowledge Masters and PhDs Industry Teaching Undergraduate Students Engineers 5 of 25

6 Speeches about University-Industry Experiences COBEM International Conference on Mechanical Engineering Special session Organized by LASHIP/UFSC & Sponsored by ABIMAQ Ribeirão Preto, SP Invited speaker: Prof. Petter Krus + 2 participants from FLUMES/LiU Hydraulikdagar 2012, 2015 MODPROD 2016 Organized by FLUMES/LiU Linköping, SE Invited speaker: Prof. Victor De Negri 6 of 25

7 Speeches about University-Industry Experiences Workshops organized by UFABC: Chairperson: Prof. Luciana Pereira Speakers: Prof. Petter Krus, Prof. Victor De Negri May, Workshop - Technological Innovation Challenges: Building Bridges Between Academy and Industry November, Workshop on Design and Product Development for Innovation: connecting people, disciplines, and ideas. November Workshop Systems, Product Development and Innovation 7 of 25

8 Organization of Swedish-Brazilian Workshops Workshop on Strategic Actions for Engineering Teaching and Research November, 2015, UFSC, Florianópolis Visit to Sapiens Parque and FIESC 14 speakers from: A Swedish - Brazilian Initiative Workshop on Strategic Actions for Engineering Teaching and Research November 16-17, 2015 Federal University of Santa Catarina, Florianópolis, SC, Brazil Auditorium of the Department of Mechanical Engineering (Building A) Organized by Department of Mechanical Engineering of Federal University Santa Catarina (EMC/UFSC) and Department of Management and Engineering of Linköping University (IEI/LiU) Organizing committee: Prof. Victor J. De Negri Prof. Acires Dias Prof. Petter Krus The purpose of this workshop is to bring together Brazilian and Swedish professors to get ideas for strategic actions for the Departments of Mechanical Engineering and Management and Engineering at UFSC and LiU. This meeting will be an opportunity to present the infrastructure and operational characterisitcs 8 of 25 of each department and their education programs as well as to discuss the long term trends for engineering and innovation and the implications for research and teaching.

9 Organization of Swedish-Brazilian Workshops Workshop on Innovative Engineering for Fluid Power 1 st WIEFP, 2012, ABIMAQ Headquarters, São Paulo 21 Speakers, 8 from Europe and USA 52 participants 2 nd WIEFP, 2014, ABIMAQ Headquarters, São Paulo 22 Speakers, 5 from Europe and USA 55 participants 9 of 25

10 Organization of Swedish-Brazilian Workshops Next WIEFP: October, 2016, Florianópolis, SC, Brazil 3rd WIEFP: Organized by: October Invited speakers from industry and academy Audience: Industry and academy professionals; Undergrad. and grad. students 9th FPNI Ph.D. Symposium Organized by: October Invited speakers from industry and academy Paper presentations by Master s and Ph.D. students Audience: Graduate students, researchers, and professors 10 of 25

11 Collaboration on Research Projects Research Projects: Speed governor based on condition monitoring for early fault detection Prof. Petter Krus: 2 weeks in Brazil Ph.D. Student Robert Braun: 1 month Hydrostatic Transmission for Rotor Generator Coupling Brazilian Master s Students: Eduardo Flesch & Henrique Randuez Swedish Master s Students: Jonatan Turesson & Joel Rapp 11 of 25

12 Ongoing Project Efficient Hydraulic Hybrid Systems for Aeronautical Applications Science Without Borders Program CISB calls Cooperation between Brazilian and Swedish researchers Professor Petter Krus, Linköping University Professor Victor De Negri, Federal University of Santa Catarina Dr.ª Birgitta Lantto, SAAB AB Ph.D. Students: Cristiano Cardoso Locateli Henri Carlo Belan Power System 1 0VAP1 1V1PA AA 1V1PB AB F 1A1 F L x A ps1 AC pa pb pc AD 1V1PC pd 0VBP1 0VCP1 0VDP1 1V1PD 1V2PA 1V2PB 1V2PC 1V2PD PostDoc: Lie Pablo Grala Pinto Pressurized Reservoir 1 0V1 1V3PA ps2 1V3PB 1V3PC 1V3PD ps3 0V2 Power System 2 Pressurized Reservoir 2 0VRPA 0VRPB 0VRPC 0VRPD 12 of 25

13 Efficient Hydraulic Hybrid Systems for Aeronautical Applications Development of innovative hydraulic systems with increased energy efficiency for aircraft onboard systems Focus on flight control actuation: Actuation systems Hydraulic power unit Impact on the aircraft hydraulic architecture Rudder Canards Elevons Energy losses Equipment with higher efficiency may lower its own weight Energy losses often increase total aircraft weight/fuel consumption. Increase of: Cooling system and piping Ram air channels and drag Remaining (hot) fuel in aircraft after landing Lantto, B. (2015) 13 of 25

14 Efficient Hydraulic Hybrid Systems for Aeronautical Applications Standard Hydraulic Circuit Actuation System New Architectures A C A A A B A D p A p B p c p D F 1A1 F L x A 1V 1PA 1V 1PB 1V 1PC 1V 1PD Right System p s1 1V 2PA 1V 2PB 1V 2PC 1V 2PD 1V2 2V2 Bypass Valves Left System p s2 1V 3PA 1V 3PB 1V 3PC 1V 3PD i sv 1V1 2V1 Tank Lines p s3 FDP I VDP 1C1 2C1 EM Jet 1P1 2P1 M Left System M Right System EM FDP I FDP II FDP III Jet Hydraulic Power Unit 14 of 25

15 Efficient Hydraulic Hybrid Systems for Aeronautical Applications Force [kn] Actuation systems based on Digital Hydraulics Multi-chamber cylinder Twelve on/off-valves Two different high-pressure lines Two low-pressure lines Accumulator Power System 1 Pressurized Reservoir 1 0V1 0V AP1 1V 1PA 1V 2PA 1V 3PA 1V 1PB 1V 2PB F 1A1 F L x A A C A A A B A D p A p B p c p D 0V BP1 0V CP1 0V DP1 p s1 p s2 p s3 1V 1PC 1V 2PC 1V 1PD 1V 2PD 1V 3PB 1V 3PC 1V 3PD 0V2 Power System 2 Pressurized Reservoir PhD Sudent ( ) Henri C. Belan [35.0, 26.0, 0.75] [20.0, 13.5, 0.75] [13.5, 45.0, 0.75] [ 8.5, 6.5, 0.75] [ 4.5, 3.0, 0.75] [ p s1, p s2, p s3 ] MPa 100% 40% 20% 10% 5% Ordered Discrete Forces Available 0V RPA 0V RPB 0V RPC 0V RPD 15 of 25

16 Efficient Hydraulic Hybrid Systems for Aeronautical Applications Preliminary theoretical results Energy losses are 20.4 % of a standard system No resistive throttle control Characteristics: Isolation between Hydraulic Systems 1 and 2 Optimal choice of supply pressure for the load Two or four chambers can be pressurized Right System Left System Tank Lines p s1 p s2 p s3 1V1PA 1V 2PA 1V3PA A C A A A B AD p A p B p c p D 1V 1PB 1V 2PB 1V 1PC 1V 2PC 1V 1PD 1V 2PD 1V3PB 1V 3PC 1V 3PD F 1A1 F L x A of 25

17 Efficient Hydraulic Hybrid Systems for Aeronautical Applications Test rig at LASHIP/UFSC Proof of concept First measurements in May, 2016 Multichamber cylinder Load mass Load spring 17 of 25

18 Efficient Hydraulic Hybrid Systems for Aeronautical Applications Position control with Digital Actuators Switched control theory Linearized system with time delay PostDoc (2016) Lie Pablo G. Pinto Quantization due to valve selection: Preliminary results: Position control Force x Quantized force 18 of 25

19 Efficient Hydraulic Hybrid Systems for Aeronautical Applications Hybrid Hydraulic Power Units Innovative designs for hydraulic power supply units Improve the energetic efficiency: PhD Sudent ( ) Cristiano C. Locateli Cruise speed: Variable Displacement Pump working at low volumetric displacement, low flow rate, and high discharge pressure: LOW EFFICIENCY Typical hydraulic circuit (Simplified view) Overall efficiency of the variable displacement pump Backup 2 Backup 1 Jet Engine Jet Engine EM APU Running normally Running normally Not running Not running Secondary System Primary system 19 of 25

20 Efficient Hydraulic Hybrid Systems for Aeronautical Applications Hybrid Hydraulic Power Units PhD Sudent ( ) Cristiano C. Locateli Alternative designs Energy save (%) Hydraulic System 1 Line All System Overall efficiency of the variable displacement pump EM Jet I 25,4 12,4 FDP I FDP II FDP III II EM Jet 20,5 10,0 FDP I FDP II FDP III III EM Jet 22,0 10,7 w/o maneuvers LOW Pressure w/ maneuvers HIGH Pressure FDP I VDP IV EM Jet 25,0 12,2 20 of 25

21 Efficient Hydraulic Hybrid Systems for Aeronautical Applications Current Status: Project being executed by PhD students and PostDoc Financial resources for personal mobility from CNPq, SAAB, CISB Financial resources for test rig construction from Brazilian research call (FAPESC) and LASHIP/FLUMES resources Proof of concepts being built at university Focused on the application requirements TRL 3, 4 21 of 25

22 Next Step: Case 1 Joint Brazilian-Swedish calls from research agencies Resources for test rig construction Scholarships for undergraduate & graduate students Team mobility: Experiences at SAAB. LiU and UFSC Expand the research activities Proof of concepts for additional research problems Projects of small or medium sizes Allows to keep the team working Contract direct with the professor: less bureaucracy TRL 3, 4 22 of 25

23 Industrial Research Project Funded by Research Agency University Brazilian Research Agency General Agreement Research Group $ Abroad Research Agency Agreement Professor Abroad University Non-financial resources $ Company 23 of 25

24 Next Step: Case 2 Research projects supported by funding agencies and industry Include the study of additional requirements: Reliability analysis Safety Impact on aircraft weight Prototype System Use of aircraft components Projects of medium or large sizes Improve the laboratory infrastructure Full time participation of researchers at university Increase participation of industry researchers and engineers TRL 5, 6 24 of 25

25 Industrial Research Project Funded by Funding Agency Research Funding Agency Support Foundation $ General Agreement Abroad Research Agency University $ Agreement Research Group Abroad University $ Company 25 of 25

26 Seminar in Aeronautics Brasília, May 16, 2016 LiU-UFSC-SAAB cooperation on efficient hydraulic systems for aeronautics Prof. Victor J. De Negri Federal University of Santa Catarina Department of Mechanical Engineering LASHIP - Laboratory of Hydraulic and Pneumatic Systems