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世界の自動車用トランスミッション市場:新規技術と市場動向

Emerging technologies and market trends in automotive transmissions

発行 Autelligence 商品コード 304577
出版日 ページ情報 英文 191 Pages
納期: 即日から翌営業日
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本日の銀行送金レート: 1USD=115.27円で換算しております。
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世界の自動車用トランスミッション市場:新規技術と市場動向 Emerging technologies and market trends in automotive transmissions
出版日: 2015年06月01日 ページ情報: 英文 191 Pages
概要

当レポートでは、全世界の自動車用トランスミッション市場の最新動向について分析し、技術開発の促進・阻害要因や、各カテゴリーにおける技術・市場の最新動向と今後の方向性、各地域市場の将来展望(今後5年間分)などを調査しております。

第1章 エグゼクティブ・サマリー:自動車トランスミッションの国際的な成長・開発パターン

第2章 トランスミッション技術開発の促進要因と課題

  • 燃費
  • 起動とシフトクオリティ
  • パッケージ・重量・トルク密度・速度変化段階
  • NVH(騒音・振動・ハーシュネス)
  • 磨耗
  • コスト
  • シミュレーション

第3章 マニュアル・トランスミッション

  • エンジンのダウンサイジング・減速化の効果
  • デュアル・マス・フライホイール(DMF)
  • シンクロナイザー用磨耗剤の進化
  • 二軸式マニュアル・トランスミッション
  • 三軸式マニュアル・トランスミッション
  • 世界のマニュアル・トランスミッション市場

第4章 オートマチックトランスミッション(AMT)

  • 遊星歯車セットの設計
  • 起動装置の技術進歩
    • トルクコンバーター
    • トルク脈ダンパー
    • ZF流体クラッチ
  • 内部クラッチ・ブレーキ
    • 湿式クラッチ用リターンスプリング
    • 選択式ワンウェイ・クラッチ
  • トルクセンサー
  • オートマチックトランスミッションの手動優先型システム
  • 研究開発(R&D)上の課題
  • 四速式・五速式オートマチックトランスミッション
  • 六速式オートマチックトランスミッション
  • 七速式オートマチックトランスミッション
  • 八速式オートマチックトランスミッション
  • 九速式オートマチックトランスミッション
  • 十速式オートマチックトランスミッション
  • 世界の遊星式オートマチックトランスミッション市場

第5章 シングルクラッチ・セミオートマトランスミッション

  • シフトクオリティの変化への対応
  • 世界のシングルクラッチAMT市場

第6章 デュアルクラッチ・トランスミッション(DCT)

  • クラッチ技術
  • クラッチ用磨耗材
  • アクチュエーター技術
  • ダブルクラッチ用ベアリング
  • DCTの生産
  • DCTの革新的なコンセプト
  • 世界のDCT市場

第7章 無段変速機(CVT)

  • バリエーター用滑車
  • ベルト
  • チェーン
  • アクチュエーターとポンプ
  • CVTの生産
  • 無限変則式トランスミッション
  • 世界のCVT市場

第8章 ハイブリッド車(HEV)用トランスミッション

  • ハイブリッド車向けCVTトランスミッション
  • ハイブリッド車向け遊星式トランスミッション
  • AMTハイブリッド・トランスミッション
  • DCTハイブリッド・トランスミッション
  • 世界のハイブリッド車用トランスミッション市場

第9章 電気自動車(EV)用トランスミッション

  • EV用一速式トランスミッション
  • EV用二速式トランスミッション
  • EV用三速式トランスミッション
  • EV用多段式トランスミッション
  • 世界のハイブリッド車・電気自動車向けトランスミッション市場

第10章 トランスミッション市場の将来予測

  • 全世界
  • 欧州
  • 北米
  • 日本・韓国
  • 中国語圏
  • 南米

図表一覧

目次

Automotive transmissions technology is now in the front line and regarded as a critical component in total vehicle design in the quest for fuel economy, passenger comfort and overall vehicle performance.

This report examines recent technology advances in current automotive transmissions used in light passenger vehicles including manuals, planetary automatics, single-clutch AMTs, DCTs and CVTs as well as their applications in conventional and hybrid-electric and pure electric powertrains.

The report includes production volumes and market penetrations during 2012 by transmission type in the major automotive manufacturing regions, along with forecasts to 2017. It is essential reading for industry executives involved in the development and marketing of current and future generations of transmissions.

Key Analysis, Forecasts and Figures

Chapter 2 explores transmission technology development drivers and challenges, covering themes like fuel economy, launch and shift quality, packaging, torque density, ratio spread, NVH, lubrication and cost.

Chapters 3-9 cover transmission types in detail - technology, trends and forecasts:

  • Manual transmissions
  • Automatic transmissions
  • Single-clutch automated manual transmissions
  • Dual-clutch transmissions
  • Continuously-variable transmissions
  • Hybrid-electric vehicle transmissions
  • Electric vehicle transmissions

Finally, Chapter 10 provides market forecasts to 2017, both globally as a whole and individually for each major world region.

About the Author

Michael Murphy has worked in automotive research for 10 years, in which time he has worked as automotive news editor for a leading publication and written over 40 reports and numerous features for leading publishers in the industry.

Table of Contents

Chapter - 1

1. Executive summary: global patterns of growth and development in automotive transmissions

Chapter - 2

2. Transmission technology development drivers and challenges

  • 2.1. Fuel economy
  • 2.2. Launch and shift quality
  • 2.3. Packaging, weight, torque density and ratio spread
  • 2.4. Noise, vibration and harshness (NVH)
  • 2.5. Lubrication
  • 2.6. Cost
  • 2.7. Simulation

Chapter - 3

3. Manual transmission

  • 3.1. The effects of engine down-sizing and down-speeding
  • 3.2. The dual-mass flywheel
  • 3.3. Advances in synchroniser friction materials
  • 3.4. Two-shaft manuals
  • 3.5. Three-shaft manuals
  • 3.6. The global manual transmissions market

Chapter - 4

4. Automatic transmissions

  • 4.1. Planetary gear set designs
  • 4.2. Advances with launch devices
    • 4.2.1. Torque converters
    • 4.2.2. Torque pulse dampers
    • 4.2.3. The ZF Hydrodynamically cooled clutch
  • 4.3. Internal clutches and brakes
    • 4.3.1. Wet-clutch return springs
    • 4.3.2. The Selectable One-way Clutch
  • 4.4. Torque sensors
  • 4.5. Manual override systems on automatic transmissions
  • 4.6. The challenges of research and development
  • 4.7. Four- and five-speed automatics
  • 4.8. Six-speed automatics
  • 4.9. Seven-speed automatics
  • 4.10. Eight-speed automatics
  • 4.11. Nine-speed automatics
  • 4.12. Ten-speed automatics
  • 4.13. The global planetary automatic transmissions market

Chapter - 5

5. Single-clutch automated manual transmissions

  • 5.1. Addressing the shift-quality challenge
  • 5.2. The global single-clutch AMT market

Chapter - 6

6. Dual-clutch transmissions

  • 6.1. Clutch technologies
  • 6.2. Clutch friction materials
  • 6.3. Actuator technologies
  • 6.4. Double-clutch bearings
  • 6.5. Production DCTs
  • 6.6. Innovative DCT concepts
  • 6.7. The global DCT market

Chapter - 7

7. Continuously-variable transmissions

  • 7.1. Variator pulleys
  • 7.2. Belts
  • 7.3. Chains
  • 7.4. Actuators and pumps
  • 7.5. Production CVTs
  • 7.6. Infinitely-variable transmissions
  • 7.7. The global CVT market

Chapter - 8

8. Hybrid-electric vehicle transmissions

  • 8.1. CVT hybrid transmissions
  • 8.2. Planetary automatic hybrid transmissions
  • 8.3. AMT hybrid transmissions
  • 8.4. DCT hybrid transmissions
  • 8.5. The global hybrid-electric vehicle transmission market

Chapter - 9

9. Electric vehicle transmissions

  • 9.1. Single-speed EV transmissions
  • 9.2. Two-speed EV transmissions
  • 9.3. Three-speed EV transmissions
  • 9.4. Multi-speed EV transmissions
  • 9.5. The global hybrid-electric and electric vehicle transmissions market

Chapter - 10

10. Transmission market forecasts to 2017

  • 10.1. Global
  • 10.2. Europe
  • 10.3. North America
  • 10.4. Japan and South Korea
  • 10.5. Greater China
  • 10.6. South America

Table of figures

  • Figure 1: Eight drivers of transmissions development
  • Figure 2: Fuel economy targets for Europe, Japan and the US to 2020
  • Figure 3: Automatic transmission fuel economy gains since five-speed units
  • Figure 4: Efficiency of automatics (AT), DCTs and CVTs, present and past
  • Figure 5: Comparison of the efficiencies of different transmission types and past
  • Figure 6: Friction reduction using optimised bearings on an AT main shaft
  • Figure 7: Launch response comparison of automatic (AT) and DCT with turbocharging
  • Figure 8: Global vehicle segment trends
  • Figure 9: Global engine cylinder count trends
  • Figure 10: Ratio spread of AT, DCT and CVT, present and past
  • Figure 11: Full load engine torsional fluctuations
  • Figure 12: Stribeck curve of coefficient of friction versus (viscosity x velocity)/load
  • Figure 12: Different additive mixes in gear oil and ATF
  • Figure 14: Relative production costs of ATs, DCTs and CVTs, present and past
  • Figure 15: Simulation and actual measurement of secondary flywheel side speed during diesel engine start
  • Figure 16: Modelling of transmission durability with engine changed from gasoline to diesel
  • Figure 17: Performance of a DMF versus a traditional clutch spring damper
  • Figure 18: Performance of a DMF versus a traditional clutch spring damper
  • Figure 19: Single-lay-shaft ZF six-speed manual transmission
  • Figure 20: Two-lay-shaft manual transmission schematic
  • Figure 21: Manual transmission proportion in new cars in the US, 1975 - 2011
  • Figure 22: Simple epicyclic planetary gear set
  • Figure 23: Simple epicyclic planetary gear set
  • Figure 24: Ravigneaux gear set
  • Figure 25: LuK spring mass and pendulum damper
  • Figure 26: Torsional damping of conventional and pendulum dampers on a six-cylinder diesel engine
  • Figure 27: ZF Sachs' Hydrodynamically cooled clutch
  • Figure 28: Torque drag with differing spring load tolerances
  • Figure 29: Component numbers in selectable versus friction-plate one-way clutches
  • Figure 30: Schematic of ratchet design in selectable clutch
  • Figure 31: Drag torque reduction, friction packs versus selectable clutches
  • Figure 32: Performance of a magneto-elastic torque sensor
  • Figure 33: Comparison of baseline transmission and one with the magneto-elastic sensor control strategy
  • Figure 34: Tiptronic shifter on a 2003 Porsche 911
  • Figure 35: Electronically controlled clutch slip step response
  • Figure 36: Clutch slip control hysteresis response
  • Figure 37: Bosch TEHCM seen from underneath a GM 6L80 automatic transmission
  • Figure 38: Controlled torque converter clutch slip during acceleration tip-in
  • Figure 39: General Motors GF6 transmission
  • Figure 40: General Motors GF6 first- and second-generation response and shift times compared
  • Figure 41: Mazda SKYACTIV-Drive transmission
  • Figure 42: Linearity and responsiveness of the SKYACTIV-Drive with a five-speed automatic
  • Figure 43: Antonov TX6 automated transmission
  • Figure 44: Mercedes-Benz 7G-Tronic Plus automatic transmission
  • Figure 45: Average fuel economy improvements by transmission component on the 7G-Tronic Plus
  • Figure 46: ZF 8HP automatic transmission
  • Figure 47: ZF 9HP
  • Figure 48: Easytronic clutch actuator
  • Figure 49: Zeroshift synchronisers/drive rings
  • Figure 50: Comparison of baseline and forced dry-clutch cooling
  • Figure 51: Controlled cooling simulation during full-throttle launch
  • Figure 52: Hill start simulation with dry-clutch friction materials
  • Figure 53: Drag loss advances in wet clutch friction materials
  • Figure 54: Getrag six-speed DSG250
  • Figure 55: Comparison of conventional and supported shift
  • Figure 56: Comparison of torque delivery during conventional and supported upshift
  • Figure 57: Audi Multitronic link-plate chain and variator
  • Figure 58: Sources of efficiency losses within the variator of a belt-driven CVT
  • Figure 59: Comparison of torque delivery during conventional and supported upshift
  • Figure 60: Sources of efficiency losses in a belt-driven CVT
  • Figure 61: The effects of over-clamping on efficiency of a CVT
  • Figure 62: Jatco CVT7
  • Figure 63: Jatco stop-start launch assist brake compared to vehicle brakes or no braking
  • Figure 64: Schematic of Toyota series/parallel hybrid-electric powertrain
  • Figure 65: ZF 8HP with integrated starter-generator
  • Figure 66: Customer rating of stop-start launch performance compared to baseline
  • Figure 67: FEV 7H-AMT hybrid transmission
  • Figure 68: Getrag PowerShift 7HDT300 power-split hybrid drivetrain
  • Figure 69: Optimum EV transmission ratios for each performance requirement
  • Figure 71: BorgWarner 31-03 eGearDrive single-speed transmission
  • Figure 71: Xtrac single-speed EV transmission with integrated differential
  • Figure 72: Continental electric axle drive
  • Figure 73: IAV DrivePacEV80
  • Figure 74: Schaeffler transverse, two-speed electric drive axle
  • Figure 75: Antonov three-speed EV transmission
  • Figure 76: Exploded view of the SST three-speed EV transmission
  • Figure 77: DSD MSYS electric drive
  • Figure 78: Oerlikon Graziano-Vocis multispeed-speed EV transmission
  • Figure 79: The forecast for two-pedal transmission production, 2012 to 2017
  • Figure 80: Transmission installation forecasts by type in Europe, 2012 to 2017
  • Figure 81: Changes in market share of transmission types in Europe, 2012 to 2017
  • Figure 82: Transmission installation forecasts by type in North America, 2012 to 2017
  • Figure 83: Front-wheel drive transmission installation forecasts by type in North America, 2012 to 2017
  • Figure 84: Changes in market share of transmission types in North America, 2012 to 2017
  • Figure 84: Rear-wheel drive transmission installation forecasts by type in North America, 2012 to 2017
  • Figure 87: Changes in market share of transmission types in Japan & S. Korea, 2012 to 2017
  • Figure 86: Transmission installation forecasts by type in Japan & S. Korea, 2012 to 2017
  • Figure 88: Changes in market share of transmission types in Greater China, 2012 to 2017
  • Figure 88: Transmission installation forecasts by type in Greater China, 2012 to 2017
  • Figure 90: Transmission installation forecasts by type in South America, 2012 to 2017
  • Figure 91: Changes in market share of transmission types in South America, 2012 to 2017
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