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VDI Wissensforum GmbH - Dritev – Drivetrain For Vehicles 2018

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VDI Wissensforum GmbH (ed.)

Dritev – Drivetrain For Vehicles 2018

Series: VDI-Berichte

Volume 2328 2018

Results in this title

J. van der Meer, G. Hangen, J. Uhlig The new plug-in hybrid module as an addition to the AUDI S tronic gearbox family – Design, layout and manufacture

„… density. The new plug-in hybrid module as an addition to the AUDI S tronic gearbox family Design, layout …” „… existing modular assembly matrix with minimum expansion of installation space Layout – Layout targeted to …” „… insulation at the requisite points. In this way, it is possible to facilitate a design with greater power …”

M. Hofstetter, D. Lechleitner, M. Hirz, M. Gintzel, A. Schmidhofer Multi-objective gearbox design optimization for xEV-axle drives under consideration of package restrictions

„… layout process of a gearbox for electric vehicles must consider multiple design objectives, such as …” „… Multi-Objective Gearbox Design Optimization for xEV-Axle Drives under Consideration of Package …” „… elektrische Antriebsachsen darstellt. Abstract In the design process of electric powertrains, consisting …”

T. Grasshoff, P. Beckedahl Power module packaging technologies for silicon and silicon carbide in automotive applications – challenges and solutions

„… bond wire layout and main bus bars design. Possible options for minimizing the parasitic effects are …” „… resistance to shock and vibration as well as rugged design to protect against environmental impact by dust …” „… costs. The goal of the design is to get most of the power out of the least amount of silicon. Possible …”

D. Bauer, M. Alexander Loss-optimized design of a high performance electrical machine for electric and hybrid cars

„… of punching is considered in early design steps meaning that the impact of the design layout on the …” „… . Based on this model, the impact to the design layout of these extra losses can be calculated in early …” „… importance for the design of electrical machines for electric and hybrid cars. For this reason it is …”

R. Bredtmann, M. Beck, O. Mühlfeld, K. Olesen, O. Shajarati Robust multi-chip power module for effective integration to automotive powertrains – Danfoss DCM™1000 meets future automotive requirements

„… density can be achieved by an electrically VDI-Berichte Nr. 2328, 20182 optimized layout including triple …” „… . A DBC circuit carrier gives virtually full freedom for a customer-specific layout and can be …” „… direct-cooled molded power module design offering minimum specific Rth. To achieve excellent cooling, a …”

I. Andrasec, B. Jeitler AVL’s future hybrid X mode – A modular transmission family concept

„… characteristics of the Future Hybrid X Mode variants An example transverse layout was designed for a typical …” „… experience gained with the design of the 7 Mode and 8 Mode and a focused interest on customer demand were …” „… conventional AT (AT). Their main layout and characteristics can be seen in Fig. 3 and Table 1 respectively …”

A. Viehmann, R. König, S. Rinderknecht Investigation of gear shifts in a parallel-series hybrid powertrain with dog clutches in a demonstrator vehicle (two-drive-transmission with range-extender, DE-REX)

„… schematic layout of the gear set and the final hardware design of the DE-REX transmission are shown in Fig …” „… almost equal as well. Fig. 1: Schematic layout of the DE-REX gear set Fig. 2: Hardware design …” „… Antriebsstrang-Layout dadurch gekennzeichnet ist, dass sowohl die zwei baugleichen Elektromotoren als auch der …”

D. Güth, J. Haupt, T. Gassmann Seamless-shift two-speed eAxle with torque vectoring

„… more housing parts, an intermediate plate and a cover. This layout allows a most compact design space …” „… development targets will be discussed and the gearbox design proposed. Detailed explanation of the gear …” „… generally small design package and light weight and high overall system efficiency should also be …”

B. Chamberlin, E. Gold HEV P2 module concepts for different transmission architectures clutch and e-motor options

„… be followed by further insights into electric motor considerations and various design options …” „… clutch lube for rotor cooling. b. Triple clutch This design lends itself for DCT hybrid …” „… Dual Clutch. This layout can be seen in Figure 4b. By integrating all three clutches together within …”

Titelei/Inhaltsverzeichnis

„… process development – Application of moving particle simulation method to design process …” „… Bonn-Rhein-Sieg, Sankt Augustin Holistic approach for fatigue life design of vehicle transmissions …” „… , Eindhoven Automated design concept generation of automatic transmissions – Design concept generation based …”

R. Heckmann Fully automated EOL E-drive testing – Automation and modularity for efficient testing solutions

„… . 1, all designed to meet the challenges of flexibility, precision and efficiency. The design of this …” „… von E-Antrieben: • Flexibles Layout der Prüfanlage • Individuelle Anpassung in geeigneter Form …” „… diagnostics is required. Design complexity, type variance, preparation- and testing- processes require …”

G. Bednarek, K. Geratz, H. Chariou The all-new 8-speed AT for the Opel Grandland X

„… und leichte Design der Getriebe kombiniert verbesserte Schaltqualität und Kraftstoffeffizienz. Der …” „… . The lightweight and compact design combines improved shift quality and fuel efficiency. The torque …” „… which are supported by a closed system design with dry cavity differential, transmission integrated oil …”

A. Schmidt, H.-P. Fleischmann Enhancement of a dual clutch transmission kit – AUDI S tronic – Version for All-Wheel Drive, Increase of Torque and HV Electrification

„… system design kit was defined at AUDI AG for a new generation of dual clutch transmissions in the …” „… quattro ultra design, the permanently available yet predictive switching all-wheel drive. The modular kit …” „… quattro ultra design – a permanently available, but predictively switched, all-wheel drive. The …”

B. Arnold, B. Lecointre Shift simulator for shift feel and quality development of manual transmissions

„… e.g. customer clinic and clutch pedal development. This paper will introduce the mechanical design of …” „… design of shift simulator Packing and appliance constraints drove most of the design of the simulator …” „… also a result of the packaging constraints mentioned before. Because of the tilted design, the …”

T. Högnäs, G. Beldie 48 volt torque vectoring electric rear drive module (eRDM) – Excellent driving dynamics with significant CO2 savings

„… compared to high voltage designs. The output from a motor-generator is approximately 3kW when adjusted for …” „… are described in the table below. The benefit of this system layout in torque vectoring mode is that …”

G. van Spijk, A. Klaassen, A. van der Leest, A. Brandsma, M. Tweehuysen CVT: dedicated to hybrid solutions – Setting the benchmark on all KPI’s

„… is currently designated for just the transmission. Outlook: The concept and detail design of …” „… upon benchmark data. In this study it could be concluded that dedicated designs, based upon the bill …” „… of material, offer a lower manufacturing cost. Reason for this is the reduction of the design to the …”

C. Danzer, T. Voigt, T. Günther, R. Tröger From fleet requirements to optimized Dedicated Hybrid Powertrains

„… possible to take into account all technically feasible layout variants of one or more electric motors in …” „… synthesis tool [1]. From this follows the design, dimensioning and efficiency characteristic of the …” „… vehicle fleet the combination of parameters, technologies, maps and layouts were optimized under the …”

M. Kneißler, R. Welter, M. Baumann Entry hybridization of manual transmission drivetrains – A review of P0/P1 structures with an automated clutch

„… transmission continues to be one of the most important transmission designs in many markets. Looking at the …” „… stalling. 6. Ways to design an automated system with a single clutch (E-Clutch) There are three …” „… functional level is shown in Fig. 1. VDI-Berichte Nr. 2328, 2018 307 Fig. 1: Ways to design an E-Clutch …”

M. Werra, A. Ringleb, C. Sieg, F. Küçükay Thermal behavior of 48 V hybrid systems

„… systems: Challenges posed by thermal management and electronic control Reliable layout of E-engines …” „… of lightweight design, acoustics and efficiency by means of modern transmission simulation …” „… . Mann, Volkswagen AG, Wolfsburg f E-Motor Electric machine design approaches for electrified …”

doi.org/10.51202/9783181023280

Hans Dieter Benjamin Prautsch - Layout-Generatoren für den Analogentwurf in kleinen Technologieknoten

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Hans Dieter Benjamin Prautsch

Layout-Generatoren für den Analogentwurf in kleinen Technologieknoten

Series: Rechnerunterstützte Verfahren

Volume 478 2022

Results in this title

Literaturverzeichnis S. 167-180

„… . Scheible, Fundamentals of Layout Design for Electronic Circuits, Springer International Publishing, 2020 …” „… Layout Generation of Analog Integrated Circuits,“ IEEE Trans. on Computer-Aided Design of Integrated …” „… . Nassaj, „A New Methodology for Constraint-Driven Layout Design of Analog Circuits,“ Fortschritt-Berichte …”

Titelei/Inhaltsverzeichnis

„… – Generatoren – Templates – Designflow – PlatzierungKeywords: Design automation – EDA – layout – analog …” „… technologies. Automation of the layout realized in this way accel-erates design steps and eases iterations in …” „… analog design. The proposed generator concept also integrates templates that describe layouts in an …”

Stand der Technik der Analogautomatisierung S. 30-41

„… hinaus auch prozedurale Generatoren, die persistente Daten in die Design-Bibliothek schreiben. Dieses …” „… technologieabhängig3. Prozedurale Generatoren, die statische Zellen direkt in die Design-Bibliothek (engl. library …” „… Generatoren entwickeln, die (editierbare) Zellen in die Design-Bibliothek generieren. Siemens EDA bietet …”

Einleitung S. 1-8

„… Domä-nen gleiche Methoden der Layout-Verifikation mittels DRC (design rule check) und LVS (layout versus …” „… Schematic-Driven Layout (SDL), Constraint-Driven Design (in-dustriell noch vergleichsweise wenig etabliert …” „… PushingSchematic-drivenLayoutConstraint-drivenDesignpCellsAnaloglog(Entwurfsproduktivität)High-LevelSyntheseAbbildung 2 Qualitative Darstellung der Entwurfsproduktivität im integrierten Schaltungs-entwurf …”

Grundlagen zum Analogentwurf S. 9-29

„… Dichteregeln) verhindert. Der Design Rule Check (DRC) prüft Layouts auf diese Entwurfsregeln. Abbildung 16 …” „… werden parasitäre und layoutabhängige Effekte (engl. layout-dependent effects) vorgestellt, die durch …” „… Quelltext, der die Schal-tung und/oder das Layout beschreibt, durch die ausführende Umgebung unterschiedlich …”

Bottom-up-Beschreibung von Layouts S. 80-109

„… Nachbearbeitungsschritt jederzeit deaktiviert werden. In einem realen Design-Flow 105 (oder einer Synthese) wäre dieser …” „… 80 6 Bottom-up-Beschreibung von Layouts Dieses Kapitel vertieft die Bottom-up-Methode. Die …” „… vorgeschlagenen Ansätze mindern die bestehenden Nachteile der prozeduralen, rein impliziten Layout …”

Technologieabstraktion S. 44-79

„… Layouts vor und untersucht diese experimentell. Der hier vorgestellte methodische Ansatz wurde teils in …” „… realisieren. Sie erstellen den vollständi-gen Satz von Entwurfsdaten, nämlich Schaltplan, Symbol und Layout …” „… .) nicht vom Layout-Kontext abhängig sind. Das ist jedoch in kleinen Techno-logieknoten zunehmend der Fall …”

Explizite Top-down-Methoden für Layout-Generatoren S. 110-148

„… 110 7 Explizite Top-down-Methoden für Layout-Generatoren Basierend auf den Erkenntnissen und …” „… Informationen zum zu erwartenden Layout erhalten. Der Autor geht davon aus, dass diese „Abkürzung“ zukünftig als …” „… Layout-Anordnung (bzw. im Quelltext enthaltene Intention). Dazu ist es jedoch erforderlich, dass auch geeignete …”

doi.org/10.51202/9783186478207

Daniel Marolt - SWARM: A Novel Methodology for Integrated Circuit Layout Automation Based on Principles of Self-organization

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Daniel Marolt

SWARM: A Novel Methodology for Integrated Circuit Layout Automation Based on Principles of Self-organization

Series: Rechnerunterstützte Verfahren

Volume 475 2020

Results in this title

Towards a Holistic Design Flow on Module Level S. 214-219

„… two major design steps in IC design: schematic design and layout design. For this purpose, Section 5.1 …” „… domain and the structural domain while the step of layout design accounts for the transition from the …” „… Design Function FRP Layout PCells EDPL PCDS graphical PCDS HIPE GQL Development Framework Circuit PCells …”

Clarification of the Task S. 1-3

„… original dissertation [1] explicated that the problem of analog layout is a severe bottleneck in the design …” „… industrial environments, analog layout design is still done in a largely manual fashion today and heavily …” „… into a novel layout methodology able to consider design constraints both explicitly and implicitly. 1.2 …”

Summary and Outlook S. 220-224

„… presents a new methodology for layout automation in the design of analog integrated circuits, referred to …” „… layout quality but also surpasses generator-based and optimization-based automation in terms of design …” „… the persistent automation gap in analog layout design. 224 …”

Vocabulary S. 225-230

„… (introversive) behavior of a procedural generator [1] G geometrical shape in the layout design (p. 60) G set of …” „… (Euclidean distance between two points) (p. 64) L location (x, y) of a design component / point in the layout …” „… plane (p. 46) L set of locations (p. 83) L the universe of layout designs [1] m minimal movement …”

Implementation and Results S. 166-213

„… SDL design flow from the perspective of usage. Then, SWARM is shown creating layouts of various aspect …” „… .) from the layout. 188 4.3 Practical Place-and-Route Examples GenFromSource Invokes the design …” „… design productivity (Section 4.2.1 in [1]) and the degree of achievable layout quality (Section 4.2.2 in …”

Titelei/Inhaltsverzeichnis

„… Circuits – Analog Layout – Floorplanning – Placement – Routing – Constraints – Electronic Design …” „… decades of electronic design automation, most layouts for analog integrated circuits are still …” „… . Unfortunately, in contrast to the digital domain, the circuit design and especially the layout creation of …”

The Methodology: Self-organized Wiring and Arrangement of Responsive Modules S. 29-165

„… wiring denominate the tasks of placement and routing.1 SWARM is meant to be used by layout designers for …” „… always specific to the particular layout problem (i.e., the respective design restrictions and design …” „… Explicit Implicit Constraint Consideration Formalized Layout Design Knowledge Designer sets leads to Design …”

An Interdisciplinary Approach – Preliminary Considerations S. 4-28

„… thesis. First of all, Section 2.1 articulates the basic idea of tackling the analog layout design problem …” „… by distributing the design tasks across autonomously interacting, parameterized layout components …” „… adaptation of these topics to the analog layout design problem, thus directly segueing into the description …”

References S. 231-250

„… , “Layout Automation in Analog IC Design with Formalized and Nonformalized Expert Knowledge”, Ph.D. Thesis …” „… / Vinko Marolt, “SWARM: A Multi- Agent System for Layout Automation in Analog Integrated Circuit Design …” „… : www.engr.uconn.edu/~tehrani/teaching/cad/15_placement.pdf. [164] Ralph Otten, “Complexity and Diversity in IC Layout Design”, Proc. of IEEE …”

doi.org/10.51202/9783186475206

VDI-Wissensforum GmbH - DRITEV – Drivetrain for Vehicles 2021

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VDI-Wissensforum GmbH (ed.)

DRITEV – Drivetrain for Vehicles 2021

Series: VDI-Berichte

Volume 2381 2021

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M. Giannantonio, S. Henzler, S. Rinderknecht Advanced Design of Dedicated Hybrid Drivetrains S. 77-100

„… computerized generation and optimization of 3D design concepts for arbitrarily complex layouts, containing …” „… is to fully automate the concept design for complex, arbitrary drivetrain layouts with multiple …” „… , 2021 | 10:05:34 | 210.02 mm x 297.05 mm series design of this layout solves the axial length package …”

J. De Landtsheere TREMEC HYbrid DRive Axle – HYDRA – Hybridization enables RWD dynamics in a FWD car S. 125-144

„… the design-for-manufacturing aspects. The stator is designed to be capable of running with both (IPM …” „… system. Hybrid axle design Fig. 5 shows a 3D view of HYDRA P4 design. The axle has been designed with …” „… design and manufacturing to full transmission system assembly and electronic control unit development …”

C. Schmidt, H. Dhejne, J. Karlsson High Efficient 2 speed e-Axle – Highly efficient and shiftable under load S. 145-158

„… targets, a layshaft design was chosen as this layout combines low production cost and robust design with …” „… . The modular AVL 2-speed e-Axle is based on design innovations developed by AVL. The technical …” „… requirements were set accordingly for the 2 speed e-Axle - Affordable - Layshaft design - High integration …”

F. Langhammer, A. Kappes, A. Viehmann, S. Rinderknecht Novel “Two-Drive-Transmission for Long-Range” Powertrain: Ecology and Efficiency meet Driving Comfort S. 207-228

„… use an combustion engine as a dedicated range-extender. The layout concept is designed for a higher …” „… 500 km. Commercially available BEVs are mostly based on powertrain layouts with one powerful electric …” „… to a design conflict between vehicle top speed and launch torque, which often results in …”

Z. Caba, M. Zafer, C. Harman, G. Hellenbroich, Ö. Eyigöz Multi-speed e-axle for electrified heavy commercial vehicles S. 609-620

„… electric trucks up to 27 tons. In an extensive concept definition phase, a 3-speed AMT layout with two …” „… challenging package envelope, and based on detailed energy consumption simulations. The final design includes …” „… reusability, a P4 layout is chosen, for which a newly developed e-axle is fitted to a conventional tractor as …”

T. Kaufhold, F. Schneider, O. Groneberg, A. Moser Modular Starting and Damping System integrated in 48V Hybrid Architectures – Efficient Starting System for Hybrid Vehicle Architectures S. 347-360

„… concentric layout depends not only on the given design space but also on the peak ICE torque. Small engines …” „… (DMF) with the PES offers additional axial design space saving advantages. Furthermore, serial …” „… addition, the simulation-based PES design process is described, dependent on important design criteria …”

A. R. Lowis, R. Smith hofer H8-DCT-850 – High Performance Dual Clutch Transmission for transaxle application S. 179-190

„… high-power density design. Finally, the P2 hybrid layout with e-reverse necessitated an electrically …” „… more aggressive vehicle design proportions. A P2.5 hybrid topology has been designed, moving the …” „… taken during design and development to ensure the requirements were achieved successfully …”

R. Resch, C. Danzer, A. Poppitz, T. Pirkl Alternative drivetrains for sustainable commercial vehicles S. 669-684

„… from this systematic process are used to make data driven design decisions. Within the boundaries of …” „… approach, systems engineering loops are carried out with deep dives into the component layout and …” „… , light and heavy commercial vehicles. For these vehicles optimized powertrain layouts were determined …”

G. Gao, D. Schöneberger, S. Rinderknecht Development of an innovative and modular test bench to analyse gear shifts in electrified powertrains S. 415-436

„… Layout Besides the mechanical layout design with a focus on modularity, another often underestimated …” „… powertrains Design approach, realization and use cases of the component test bench Guanlin Gao, M.Sc …” „… modular design enables also the investigation of various shifting actuators, for both 12 V and 48 V …”

A. Nees Flexible Electro-hydraulic Actuation System for Multi-speed Electrified Drivetrains – Requirements and Concept S. 275-290

„… gear sets or layshaft designs in most cases. The shift from first to second gear or back must not be …” „… layshaft designs the typical DCT-like architecture is used, including friction clutches and synchronizers …” „… EDU layouts discussed above. Pressure regulating solenoids and valves can be opened separately from …”

B. Krüger, G. Filomeno, D. Dennin, P. Tenberge Holistic Design of All-Wheel Drive Electric Powertrains Using a Multi-Objective Optimization Algorithm S. 377-394

„… Holistic Design of All-Wheel Drive Electric Powertrains Using a Multi-Objective Optimization …” „… cost. Applying an open-source EM design tool, both induction machines (IMs) and permanent magnet …” „… are calculated. To identify optimal solutions among the huge number of possible design candidates, a …”

P. Barve Gear Design Challenges of 2-speed-AMT High Torque E-Drives S. 499-516

„… . 3: 2-Speed AMT gearbox Layout Fig. 4: Design Process A multi-load case duty cycle is …” „… Defining load cases3 Design targets for contact stresses and Peak to Peak Transmission …” „… pair was designed, which achieved design targets for durability and total contact ratio. But the high …”

F. Müller-Deile Advanced design of electric machines for trailers with electric axles S. 653-668

„… Advanced design of electric machines for trailers with electric axles Optimal design and …” „… lightweight, cost efficient design, recuperation power and the efficiency improvement of the system. The …” „… temperatures. Fig. 1 below illustrates the system and communication layout of the ZF eTrailer concept. Fig …”

R. Kockisch, J. Müller, Erik Schneider Modular transmission systems for future BEV platform applications S. 11-22

„… field of ECO-Design for all components starting with a special material selection and an enormous grade …” „… comfort based on the same base layout with a maximum usage of common parts and manufacturing tools for …” „… can be combined with every transmission system and uses almost the identical layout and components in …”

F. Bayer, J. Tochtermann Development of a Heavy-Duty E-Axle S. 621-636

„… AVL-designed HM-132 e-motor was selected. As the original design neither fulfilled the power nor the packaging …” „… contains two major parts. The first describes how the design solutions are derived from a “stick diagram …” „… design topics, such as e-motor development, E/E, cooling and controls concept. E-Axle for Heavy-Duty …”

A. Ramsauer, A. Pujari Frontloading for (Hybrid-) Transmission Integration at BMW S. 101-116

„… acceleration. Although the number of patterns being limited by the system layout, shifting characteristics of …” „… design consisting of 905 grid points is reduced to a fractionalfactorial design using a DOE space filling …” „… approach . By maximizing the minimum distance between the DOE design points, good coverage of the design …”

E. Schneider, C. Danzer, E. Schreiterer Modular and highly functional Hybrid Platform for subcompact cars up to full-size SUV S. 191-206

„… and the level of driving comfort. A reasonable approach is to define a basic DHT layout for the …” „… ), parallel-integrated (PI) and P3 - does not show an obvious trend towards one specific system layout. With an …” „… suitable as they gain a significant package advantage. Finally, a design concept of the shift drum and the …”

G. Brudeli, B. Vestgård, S. Bjørkgård, L. Bjørkhaug Sustainable drivetrain architecture for hybrid and electric trucks S. 567-580

„… BGM hybrid layout, a TCO lower than for conventional diesel is estimated. Furthermore, in Generation …” „… retarder gear and layshaft PTO (in this particular example) Modular design with similar packaging as …” „… efficiency. The BGM powershift hybrid can be packaged as a module that offers: Modular design with …”

G. Herbillon Performances Validation of an electrically-commanded dog clutch system for multi-speed and disconnectable eDrives S. 255-274

„… 40-year expertise in: - gear sets design (Software programs for sub-systems durability, NVH …” „… dissipation, seamless engagement or low impact This paper summarizes the design validation of an …” „… and smooth engagement guaranteed with suitable clutch design, - The spread of performances reduced by …”

K. Hirano E-Axle with multi driving modes for BEV & Mild HEV P4 – The 3 in 1 e-Axle for EV requiring a wide range of driving force S. 229-240

„… possible. In other words, a package design with lower power consumption, higher driving performance, and …” „… more stable driving and contributing to greater freedom in interior and exterior design. For example …” „… consumption and high driving performance at the same time. The flat thin layout of the DMM Axle also allowed …”

L. de Ruijsscher TREMEC Hybrid Dual Clutch Transmission (HDCT) – Electrification of TREMEC’s high performance dual clutch transmission S. 159-178

„… . With electrification playing a prominent role in recent driveline design, the DCT needs to find its …” „… . A key attribute to TREMEC’s development approach is vertical integration from component design and …” „… 163 characteristics in drivetrain design. Providing a broader choice between various options and …”

D. Lechleitner, M. Hofstetter, M. Hirz, C. Gsenger, K. Huber Parking Lock Integration for Electric Axle Drives by Multi-Objective Design Optimization S. 303-318

„… consequences for sizing the mechanical components in the e-drive. The functional layout and design of the …” „… ) c) VDI-Berichte Nr. 2381, 2021304 the design process, all of these components need to be designed …” „… Parking Lock Integration for Electric Axle Drives by Multi-Objective Design Optimization …”

D. Morgenweck, M. Großmann, W. Fakler, M. Lamke, F. Bitzer ZF E-Mobility Software Functions for Commercial Vehicles S. 703-718

„… different models for the Chinese market that have the same design concept but are developed according to …” „… volume-production products in the AT segment. The carry-over of components and parts as well as proven design …” „… allows for various technical design approaches like wave winding or hair-pin systems. The CeTrax …”

M. Muether, B. Heuser, L. Virnich, A. Guedden, T. Luediger, D. van der Put Development trends towards CO2-neutral powertrains for HD applications S. 529-550

„… . Unconventional piston design by additive manufacturing enables improved combustion i.e. through increased free …” „… system was comprehensively optimized (e.g., combustion chamber design) to achieve an improved mixture …” „… exhaust gas aftertreatment system layout comprises a Coated Diesel Particulate Filter (CDPF) for PN, HC …”

doi.org/10.51202/9783181023815

Krinke Andreas - Constraint Propagation for Analog and Mixed-Signal Integrated Circuit Design

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Krinke Andreas

Constraint Propagation for Analog and Mixed-Signal Integrated Circuit Design

Series: Rechnerunterstützte Verfahren

Volume 474 2020

Results in this title

Constraint Propagation S. 41-90

„… instance depends on X to identify the target design elements, as well as on the current layout (which is …” „… the layout of the cell itself and of cells further down in the design hierarchy. Therefore, this …” „… , most common type of design parameter that requires bottom-up propagation are layout parameters that are …”

Introduction S. 1-9

„… schematic entry, and (3) the cell’s layout for physical design [Mor90]. The design of digital and analog …” „… as well as mixed-signal ICs is a mostly manual process. 3 CHAPTER 1: INTRODUCTION Layout Design …” „… Layout Verification Circuit Design Circuit Verification Block Design Block Verification System Design …”

Glossary S. 128-131

„… design views of previous design steps. An example is inserting information about extracted layout …” „… layout in the early stages of the design. Global instance Specific instance of a cell in the circuit that …” „… cell’s layout is shown during physical (layout) design. IR drop The voltage drop that occurs when a …”

Bibliography S. 132-146

„… . “Automation of IC Layout with Analog Constraints”. In: IEEE Transactions on Computer-Aided Design of …” „… . [PS94] M. Pillan and D. Sciuto. “Constraint Generation and Placement for Automatic Layout Design of …” „… , Constraint-Driven DesignMethodology for Analog Integrated Circuits”. In: Proceedings of the Custom Integrated …”

Implementation and Results S. 103-121

„… : Layout of the example design. Four instances of the base cell, which consists of a sample and hold …” „… applicability of our approach, we integrated both parts into the EDA design framework Cadence DF II. In this …” „… also the database that implements it should be as closely interlinked as possible with the design tools …”

Adaptive Data Model for Efficient Constraint Propagation S. 91-102

„… related constraint functions that apply to the same group of design parameters, but of possibly different …” „… design elements. Design parameters are characterized by amathematical model that defines their …” „… design parameter is used by a constraint in the design, access to the corresponding properties of …”

Constraints and Constraint Types S. 21-40

„… are represented by lines and symbols in logical (schematic) design and by polygons in physical (layout …” „… ) design, as well as (2) additional polygons that are created during layout design and have no schematic …” „… themembers of the constraint. As an example, the design parameter POSITION represents the layout position of …”

Titelei/Inhaltsverzeichnis

„… Mixed-Signal Design – System Design – Circuit Design – Layout Design – Constraint Propagation – Integrated …” „… Reihe 20 Constraint Propagation for Analog and Mixed-Signal Integrated Circuit Design PI TS TO PS …” „… Circuit Design Dipl.-Ing. Andreas Krinke von der Fakultät Elektrotechnik und Informationstechnik der …”

State of the Art S. 10-17

„… (electrical) constraints that guarantee the intended functionality, • design-methodical constraints that …” „… missing. 2.2 Design Databases Software tools for designing integrated circuits (summarized under the term …” „… two main topics are constraint-driven design, which is related to Chapters 4 and 5, and design …”

Research Objectives S. 18-20

„… to be considered during circuit and layout design. The goal of this work is to present a methodology …” „… CHAPTER 3 Research Objectives Every design process is characterized by the consideration of …” „… numerous constraints. They create dependencies between components and, therefore, slow down both design and …”

Research Summary, Conclusions, and Outlook S. 122-127

„… Layout Constraint-driven Design AMS Design Automation ψ:D×OX ×M k →Ω φ:D×OX ×M k ×Qn → B c = (X ,φ, (m1 …” „… . An example is chip-package co-design where the ICs and its package are designed simultaneously and …” „… continuous, automated AMS IC design—from constraints to tape-out [Kri+19]. 127 …”

doi.org/10.51202/9783186474209

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