Suche einschränken

Ergebnisse (582)

Sortierung:

Alle Alles auswählen

Seite 5

VDI Wissensforum GmbH - Dritev – Drivetrain For Vehicles 2019

Teilzugriff

Auswählen

VDI Wissensforum GmbH (Hrsg.)

Dritev – Drivetrain For Vehicles 2019

Reihe: VDI-Berichte

Band 2354 2019

Treffer in den folgenden Teilen:

M. Horn, F. Kutter, B. Vahlensieck Advanced development of dedicated hybrid concepts – Systematic search for optimal powertrain concepts

„… Ausprägungen von maßgeschneiderten Hybridkonzepten entsprechend ihrer E- Drive-Struktur und Radsatz-Architektur …” „… transmission gear set functions must be transferred to the electric drive unit (e-drive) of the powertrain …” „… . Dedicated hybrid concepts use their e-drive not only for electric driving but also for basic transmission …”

C. Schmahl, M. Höck, D. Ressin, M. Kesseler GKN’s ActiveConnect AWD system as an energy-efficient solution for electrified vehicles

„… vielversprechende Alternative für elektrifizierte Fahrzeuge bietet sich das intelligente Allradantriebssystem mit …” „… . However, the decentralised generation of drive power by such a "dual motor concept" has a negative effect …” „… on vehicle efficiency and is also comparatively cost-intensive. A promising alternative for …”

B. Müller, C. Angrick, M. Fritz New concepts for electrical drive trains for high power density

„… New concepts for electrical drive trains for high power density Bruno Müller, Carsten Angrick …” „… electric drives goes way beyond the electric motor. Optimal efficiency, range, and system costs can only …” „… combustion engine in a Škoda Octavia was replaced with two electric axle drives, each with 105 kW of nominal …”

A. Kinigadner, T. Biermann Schaeffler eAxle family – future solutions for the electric drivetrain

„… transmission inputs. This application illustrates an alternative for expanded use of a specific electric drive …” „… support a large number of vehicles and drive concepts on the one hand and yet minimize the development …” „… with intelligent design of the electric drive system, an optimum power density can be achieved …”

A. Moser, F. Brezger Efficiency improvements in transmissions using new latching technologies in clutch & hydraulic actuation systems

„… werden können. VDI-Berichte Nr. 2354, 2019 427 Abstract Efficiency improvements in drive trains are …” „… which are typical at 9 to 20 bar. Depending on drive train layouts a fail-safe-functionality must be …” „… improvements in modern drive trains. Introduction The current situation of the automotive industries demands …”

A. Lampe, R. Serway, L. Große Siestrup, C. Gühmann Artificial intelligence in transmission control – Clutch engagement with reinforcement learning

„… function development and calibration workload. Data-driven models and control algorithms such as …” „… and where there are no alternatives to machine learning when it comes to safety monitoring functions …” „… 3.1 A Multi-Objective Problem From a historical perspective, AMTs and DCTs became an alternative to …”

M. Stulrajter, M. Pacha Challenges of sensorless high-speed drives with PM motors

„… Challenges of sensorless high-speed drives with PM motors Ing. Marek Stulrajter, Ph.D, Ing …” „… Introduction Nowadays, a wide variety of high-speed drives is becoming more and more popular within …” „… design methods, high efficient super highspeed PMSM drives are possible [10]. Highspeed operation …”

A. Viehmann, J.-E. Schleiffer, S. Rinderknecht Evaluation of the dedicated range-extender transmission powertrain concept DE-REX regarding efficiency, costs and complexity – Comparative assessment of electric and hybrid powertrain configurations b...

„… "Two-Drive-Transmission with Range-Extender (DE-REX)" is an innovative DRT powertrain concept. To increase the pure …” „… drive (NEDC: 15.2 %). Based on the test bench investigations, a comparative evaluation of powertrain …” „… suitable for long distances. Finally, the next generation of the Two-Drive-Transmission is presented: The …”

R. Dold New powertrain concepts for heavy duty commercial vehicles

„… : Mileage, Alternative fuels & drivetrains Future transportation studies indicate growing HD Truck mileage …” „… : The forecast on future annual driven mileage from Prognos for EU28 market results in an increase of …” „… transportation speeds and long ranges are required. There are different options for future alternative truck …”

C. Schoerghuber, I. Müller, H. Wiener Dedicated hybrid transmission for commercial vehicle applications – Mechanical layout, system analysis and simulation of a dedicated hybrid transmission for commercial vehicles

„… integrated, high-speed e-motors as its drive sources. With the help of a sophisticated but comparatively …” „… efficiency of the drive train and the perfectly coordinated interaction of the three drive systems ensure …” „… main driver for hybridization of commercial vehicle powertrains. Hybrid powertrains typically have …”

C. Leonhardt, M. Otto, K. Stahl Potential of lightweight construction and component properties of joined spur gears

„… vehicle is located in the drive train. Rotating parts not only influence the mass of the drive train, but …” „… lightweight potential. An alternative approach presented in this paper is to build up the gear in a …” „… (AWT), Research Association for Drive Technology (FVA) and Research Association of Steel Forming (FSV …”

doi.org/10.51202/9783181023549

VDI Wissensforum GmbH - Nutzfahrzeuge 2017 – Commercial Vehicles 2017

Teilzugriff

Auswählen

VDI Wissensforum GmbH (Hrsg.)

Nutzfahrzeuge 2017 – Commercial Vehicles 2017

Reihe: VDI-Berichte

Band 2298 2017

Treffer in den folgenden Teilen:

M. Eckert, M. Thiem, C. Beidl Development of an Electric Powertrain System for Truck Trailers S. 155-166

„… drive-system a rather high shaft torque is needed to cover an effective recuperation and driving performance …” „… detailed look on development of the electric drive unit. Figure 1 shows the schematic structure of the …” „… with a driver model as a vehicle speed controller, resulting in a more realistic, yet more complex …”

D. Nulens The Future of Telematics – Intelligent Connectivity – A journey to exceptional fleet performance S. 277-290

„… information to all stakeholders of the supply chain about the trucks, trailers, drivers and cargo, in one …” „… intelligent vehicle systems that capture and share data − with drivers, fleet managers, 3rd party logistic …” „… the case of an actual technical failure, the driver can be directed to the nearest service partner …”

J. Witzig, A. Grossl, M. Wenger E-Mobility for City Bus and Coach Applications – An integrated System Approach from ZF S. 5-12

„… currently developed new central drive. The AVE130 is an optimal solution for low floor buses including both …” „… central drive solution for both low floor and low entry buses (solo and articulated) and distribution …” „… central drive by the combination of a high speed e-motor and a reduction gear stage. The possibility to …”

I. Wiesbaum, A. Tillawi Human Machine Interface of the future: Innovative solutions for commercial vehicle’s instrumentation S. 25-40

„… smartphones, as well as requirements for “Safety, Economy and Networking” will drive the automotive …” „… commercial vehicle market in future. The driver expects a clearly understandable representation of …” „… instrumentation and driver, including seamless adjustment with further displaying units for telematics, mirror …”

G. Schünemann Energy Management for Future Commercial Vehicles S. 103-114

„… management which provides economy recommendations to a trained driver. Related to the engine, the …” „… capacity of 61kWh (lossless) should be sufficient to drive the track from south to north as well as back …” „… quite large. To climb a 5,8% ramp (3,3° inclination) with a 40t friction-less vehicle, the drive would …”

G. Nitzsche, S. Wagner, M. Engel Electric Drivelines in Semi-Trailers – TRANSFORMERS: An additional Way to Hybridisation S. 167-178

„… Europe. Although alternative propulsion systems are investigated, especially for inner city distribution …” „… the truck to provide visual feedback for the driver. Fig. 4: Logical System Architecture of the …” „… driven axle. The combination of ESU, Inverter and EMG is currently limited VDI-Berichte Nr. 2298 …”

D. Bergmann, S. Lauer, S. Ghetti, K. Eichler, S. Petri Holistic Simulation Tool for the Commercial Vehicle Powertrain Development S. 209-222

„… transient simulations using any drive cycle which is of interest for the specific application. Besides …” „… strongly driven by costs and less by emotions. Furthermore, the derivatives of commercial vehicles are …” „… smaller total number of vehicles sold. A further drive for development are the interests of the …”

B. Grzegorzewski The next generation of natural gas trucks – Development of a 4x2 tractor with a natural gas engine S. 223-234

„… truck industry is encouraged to find alternatives to these engine concepts to suit future emission …” „… driver dependent fuel consumption. The widely used automated gearbox is the best choice for the customer …” „… new alternative for any customer that wants to keep the same level of comfort, operating range and …”

F. Sauter, H. Mozer, B. Fessler, J. Glückler Development of an 8-speed Automatic Transmission for Medium-duty Trucks and Buses – Market analysis, selection, detailed definition and comparison of concepts and rollout of a segment-optimized tra... S. 197-208

„… realizing power take-offs and different all-wheel drive concepts are also part of this evaluation category …” „… . In so far as alternative fuels are concerned, the gas engine represents an efficient technology …” „… drive is available (based on economic effi- VDI-Berichte Nr. 2298, 2017 205 ciency criteria), which …”

doi.org/10.51202/9783181022986

Teilzugriff

Auswählen

VDI Wissensforum GmbH (Hrsg.)

ELIV 2021

Reihe: VDI-Berichte

Band 2384 2021

Treffer in den folgenden Teilen:

S. Alexander, F. Borrelli, M. Pfeifle Real-time Contextual Intelligence Services for Connected Electrified Vehicles S. 509-522

„… potential alternatives) for driver selection. Case Study: Navigation for Connected Battery Electric …” „… Context-aware services drive both deep digital engagement and increase the life-time value of a customer. OEMs …” „… Service. NNG delivers these CMI services via its navigation and cockpit solution to the driver to guide …”

F. Rabe ShyTech Displays – Enabling a new era of puristic vehicle design and enhanced user experience S. 381-388

„… information and control functions that come with the digitalization of the car. However, the driver’s and …” „… other situations only the essentials are what a driver needs to do his or her job best without any …” „… possible to scale both the information and control function scope to what the driver prefers at a given …”

G. Castignani, F. Chandelle, S. Jafarnejad, I. Scherer Evaluation of a driver’s compatibility with electric, plug-in hybrid, and hybrid vehicles based on mobility patterns analytics S. 489-500

„… Evaluation of a driver’s compatibility with electric, plug-in hybrid, and hybrid vehicles based …” „… ), or Hybrid Electric Vehicles (HEV) respectively is favorable for an individual driver relies on …” „… traveled, the usual speeds at which the driver travels, the road environment (e.g., urban versus motorway …”

Z. Hermon Active Acoustics Innovations Supported by Tuning & Prediction Tools S. 331-338

„… effects of noise on drivers and passengers have long been recognized. Removing unwanted sound and …” „… driver or passengers to experience a quieter environment in their seat specifically. In the next …” „… to their own music without it overlapping with other occupants’. For example, the driver can be …”

S. Wonneberger, S. Balci Reliable Validation of Highly Automated Driving Functions by Increasing the Virtualization Level of High Performance Computing Platforms and Smart Sensors S. 17-28

„… advanced driver assistance systems and automated driving functions (ADAS/AD) are one of the most complex …” „… . Driver interaction and information is here still part of the function, which includes the infotainment …” „… system state observation possibilities to the driver. The vehicle motion is typically the low level …”

M. Kruppa Digital Light for Digital Live S. 339-350

„… communication to non-machine interfaces like human beings. Communication with pedestrians or human drivers is …” „… pedestrians rely and depend on communication with drivers in form of non-verbal cues. When crossing streets …” „… , they seek eye contact with drivers of approaching vehicles to make sure that they have been seen or …”

K. Brand Shifting Left the development of Electric Vehicle Products, from System to Software S. 563-578

„… development and test, with a focus on virtual development and integration of xEV drive trains. A key aspect …” „… ultimately drive requirements on subsystem designs across the automotive supply chains. We also focus on …” „… , improved battery technology and environmental sensitivity have all helped to drive more interest in EVs …”

D. Mehlig, M. Muller, J. Treier, A. Loges Long distance e-mobility in the trade-off between battery capacity & charging power – Battery immersion cooling as enabler technology? S. 545-562

„… , MAHLE International GmbH, Stuttgart Abstract The electric vehicle market 2015 until 2020 was driven …” „… suitability for long distance drives and their related needs of vehicle price, energy consumption and …” „… the last years were mainly driven by early innovators, purchasing programs of governmental …”

K. Renatus, A. Unger, B. Baker, O. Manicke Machine learning approach towards remote diagnostics and repair of electric vehicle charging processes S. 163-174

„… using data-driven digital twins of vehicles and infrastructure to perform backend simulations. The …” „… explains how data-driven digital twins can be used for backend simulations supported by intelligent …” „… alternative question can be: (How) can electric vehicles learn to deal with, at least some, faulty charging …”

C. Schwager Transformation of the Software Integration Process S. 215-222

„… because of the main technology drivers, namely highly automated driving, connectivity, and …” „… feedback loops. VDI-Berichte Nr. 2384, 2021 215 1. Mobility mega trends as drivers for modern software …” „… week results in a >95% utilization of 3 HiLs. Additionally, SiL as alternative is not applicable to …”

M. Wachs, J. Jager, A. Berthold The Crossroads of Automotive Security and GDPR S. 623-640

„… (e.g., speed, braking and the amount of throttle used by the driver) from vehicle components to …” „… record drivers and passengers to provide safety benefits such as driver monitoring, which is used to …” „… alert drivers when they are not paying attention to the road. Recordings are stored on the vehicle and …”

O. Meyer, B. Bohlen Applying Standards for future Vehicle Diagnostic and Vehicle Lifecycle Management S. 409-422

„… case of a vehicle breakdown the driver would call a roadside assistance center and the remote …” „… , the support would be able to provide more information to the driver, e. g. remote support might …” „… enable the vehicle again and the driver may continue to the next workshop on his own. If someone gets …”

doi.org/10.51202/9783181023846

Kein Zugriff

Auswählen

Konstruktion

Alle Ausgaben: Konstruktion

Konstruktion Jahrgang 72 (2020) Heft 01-02 ISSN Online: 0720-5953

Treffer in den folgenden Teilen:

Vorteilhafter Wechsel S. 32-35

„… hohe Wiederholgenauigkeit verfügen wie hydraulische Alternativen. Das steigert die Qualität und …” „… wir haben mittlerweile leistungsfähigere Alternativen auf den Markt gebracht.“ Dank seines geregelten …” „… von Nord Drive systems sind ideal für Intralogistik und Wash-down-Anwendungen geeignet. (Bild: Nord …”

Kein Titel S. 4-5

„… alternative Leiterwerkstoffe, die Verwendung einer zentralen Gleichstrom- Einspeisung mit Fehlerabschaltung …” „… der Harmonic Drive AG. Der 1970 in Tokio geborene Norimitsu Ito (Bild, 2. von rechts) trat damit als …” „… neuer CEO die Nachfolge von Ekrem Sirman an, der die Harmonic Drive AG zum 31.12.2019 – nach 14 Jahren …”

doi.org/10.37544/0720-5953-2020-01-02

VDI Wissensforum GmbH - International Conference on Gears 2022

Kein Zugriff

Auswählen

VDI Wissensforum GmbH (Hrsg.)

International Conference on Gears 2022

Reihe: VDI-Berichte

Band 2389 2022

Treffer in den folgenden Teilen:

Titelei/Inhaltsverzeichnis

„… hardened gears in electrical drives …” „… of cycloid planetary gear drives considering backlashes and clearances …” „… , M. Kley, Institute of Drive Technology Aalen, Aalen University, Germany;F. Wagner, M. Liebschner, F …”

J. Furst, F. Joachim, C. Gosselin, J. Thomas Improved design and manufacturing of face gears S. 1461-1466

„… . Franz Joachim, Balance Drive AG, Schmitten, Switzerland; Claude Gosselin, P.Eng., Ph.D., Involute …” „… thinking of right-angle gearboxes, most technicians cannot yet imagine completely new drive possibilities …” „… . The face gear technology, however, enables drive solutions that are not possible with conventional …”

S. Oberle, V. Labriola, E. Melnikov, G. Gariglio High performance plastic gear solution in the engine environment S. 1033-1044

„… requirements are concerned. This paper shows, on the example of the balancer shaft gear drive application, the …” „… evaluated highlighting their strengths and weaknesses. The Physics that drives the interaction between …” „… following 2 contributors: - 1st Order Inertial forces: force generated by the mass submitted to alternative …”

S. Vonderschmidt, A. Ott, A. Vonderschmidt High speed machining with magnetically geared driven tools on rotatory milling machines S. 1415-1428

„… High Speed Machining with Magnetically Geared Driven Tools on Rotatory Milling Machines Dr. Stefan …” „… , Horb am Neckar Abstract This paper presents a magnetic transmission based driven tool for CNC …” „… machining centers. With this driven tool, the speed of the main spindle can be increased to speeds up to …”

B. Reetz, T. Munch, W. Kappeler Challenges for lead-free brass alloys in worm gears S. 1467-1488

„… flank. Strength against fracture at the tooth root is also very important. In worm drives different …” „… to increasing wear under high loadings. This wear is further driven by the generation of friction …” „… and more active to develop and to validate alternative lead-free copper alloys (means a lead content …”

S. Sklenak, J. Brimmers, C. Brecher Analysis of local wear within the dry lubricated rolling- sliding contact of coated surfaces S. 305-316

„… gear drives under fluid-free operating conditions, solid lubricants offer an alternative way of …” „… contacts in gear drives are usually lubricated with liquid lubricants, such as oil or grease. However …” „… gear drives is limited due to the lubricant properties [3]. In the case of oils and greases, extreme …”

A. Alnahlaui, P. Tenberge Improved method for the determination of tooth root endurance strength S. 31-44

„… applications is driven by a continuous striving for increased functionality and power density at the lowest …” „… targeted testing of gear drives also involves a great amount of effort and uncertainties. Due to economic …” „… capacity of machine elements and especially of gear drives is specified in the context of fatigue strength …”

N. Blech, T. Tobie, K. Stahl, C. Guntner, S. Schurer Material influence on mechanical properties of gears with alternative microstructures S. 265-280

„… Material influence on mechanical properties of gears with alternative microstructures N. Blech, T …” „… alternative material microstructures [3]. There were considered three variants which were all gas carburized …” „… contains a higher amount of more expensive alloy elements, such as nickel. The influence of alternative …”

J. Hochrein, M. Trubswetter, M. Otto, K. Stahl Direct flank geometry calculation for face gears S. 1447-1460

„… , Garching Abstract Face gear drives with a 90° shaft angle represent special types of angular gear units …” „… rarely used alternative are face gears with 90° shaft angle. An involute pinion and a ring gear (usually …” „… cutting machines [22]. Mainly auxiliary drives use face gears, but also a few power transmissions are …”

M. Weigand, C. Gachot Improved rotorcraft drivetrain safety and related research with special focus on improved lubricants for rotorcraft transmissions S. 561-572

„… partners proposed alternative approaches for detection of the degradation of critical parts. This approach …” „… helicopter tail drive shafts. As the research units work always before the regulatory framework of EASA, TU …” „… .; Emmerling, St.: The EC135 Drive Train. Analysis and Improvement of the Fatigue Strength ECD-0159-07-PUB …”

F. Muller, S. Schumann, B. Schlecht Innovative tooth contact analysis with non-uniform rational b-spline surfaces S. 171-184

„… load capacity are used to demonstrate the potential of the alternative NURBS approach for an improved …” „… alternative surface approach with NURBS is further investigated. 3. Approximation of flank and root geometry …” „… first example shows a hypoid gear set with a linear tip relief and a spherical root relief on the drive …”

A. Hilligardt, J. Klose, V. Schulze A new method for avoiding meshing interference in gear skiving S. 1305-1318

„… high productivity and geometric accuracy. Thus gear skiving provides anattractive alternative to …” „… dynamic machine tool precision as well as a de-mand driven by electric mobility drive trains [1]. But …” „… Symposium Automotive Transmissions, HEV and EV Drives, Berlin, 2017 [2] Guo, Z.; Mao, S.; Huyan, L.; Duan, D …”

E. Lamaj, J. Blomeke, F. Rudolph, J. Hermes A comprehensive, fully parametrized calculation model for improved helical-hypoid gearbox efficiency S. 825-836

„… of temperature plays a major role. The drive train analyzed in Bearinx (4) consist of the input …” „… shaft, the first one being more traditional and rigid, the second a state-of-the-art alter-native, more …” „… the load distribution on the hypoid pinion and gear drive flanks for one of the test specimens. Fig …”

B. Legrady, M. Taesch, G. Tschirschnitz, C. F. Mieth Prediction of churning losses in an industrial gear box with spiral bevel gears using the smoothed particle hydrodynamic method S. 651-664

„… investigation of alternative novel methodologies. The scope of this work is to analyze the oil distribution and …” „… solutions but also hydrogen or e-fueled concepts thrive. Regardless of the final solution, drive train …” „… the drive train components. The lubricant itself is a resistance for the rotating parts. Emerging …”

D. Mevissen, L. Uhlmann, U. Kupper, J. Brimmers, T. Bergs Analysis of friction of bowl-shaped surface structures resulting from alternative gear manufacturing processes S. 1371-1382

„… bowl-shaped surface can be reached by the alternative manufacturing process of machine hammer peening. Machine …” „… of Bowl-Shaped Surface Structures resulting from Alternative Gear Manufacturing ProcessesDr.-Ing …” „… ]. Similar to laser structuring, alternative finishing processes for gears, such as electrical discharge …”

W. Wagner, S. Schumann, B. Schlecht Enhanced loaded tooth contact analysis of hypoid gears within a multi-body-system simulation S. 357-370

„… with a significant smaller contact point count. Introduction Gear drives of various power classes are …” „… used in the drive trains of machines and vehicles. Depending on the torque to be transmitted and the …” „… has shortcomings regarding the continuity of calculated reaction moments and forces. An alternative …”

A. Sitzmann, T. Tobie, K. Stahl, S. Hoja, S. Schurer Deep nitriding – contact and bending strength of gears with increased nitriding hardening depth S. 875-890

„… connected to a drive gear stage with the same gear ratio. The shaft of the test pinion consists of two …” „… shaft. A three-phase asynchronous engine drives the test rig. [9,13,17] 3.2 Test Gears and Test Variants …” „… alternative quenching and tempering for standard nitriding steels as well as high-temperature materials with …”

A. Eric, D. Olveda, T. Froschmeier, V. Schulze Local pitting fatigue concept with EHL simulation for case hardened gears in electrical drives S. 133-144

„… Local Pitting Fatigue Concept with EHL Simulation for Case Hardened Gears in Electrical Drives A …” „… model and suggests an alternative approach for determining the local strength to enable a quantitative …”

T. Arndt, J. Klose, M. Gerstenmeyer, V. Schulze Tool wear development in gear skiving process of quenched and tempered internal gears S. 1331-1344

„… manufacturing of high strength internal gears as required for high performance electric drive trains. However …” „… possible tool life and thus low surface roughnesses. − MQL appears to be a suitable alternative to …”

doi.org/10.51202/9783181023891

1 ... 3 4

5

... 117