Transmission Technologies : An Indian Perspective

Prasad, M.V. Rama; Sardar, Arghya; Mubashir, Sajid

doi:10.4271/2011-26-0083

Cited by 5 publications

(2 citation statements)

References 3 publications

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“…122,123 A recent example is the Volkswagen seven-speed DCT, which shows a significantly higher efficiency in lowtorque and low-speed conditions and incorporates a low-capacity transmission oil pump together with an accumulator to reduce the pump's parasitic loads. 124 Similarly, CVTs, 125,126 automated manual transmissions, 58 and infinitely variable transmissions 125 have also been proposed in the past few years.…”

Section: Managing Powertrain Energy Dissipationmentioning

confidence: 99%

A review of energy consumption, management, and recovery in automotive systems, with considerations of future trends

Chiara

Canova

2013

Proceedings of the Institution of Mechanical Engineers, Part D:

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In response to the current and future energy and environment challenges, the automotive industry is strongly focusing on improving the fuel efficiency of vehicles. Although the electrification of automotive powertrains is clearly the principal path towards sustainable transportation, many opportunities still exist to improve the fuel economy of conventional vehicles. However, some of the technical solutions representing the state of the art in research and advanced development are difficult to benchmark in terms of their potential benefits for fuel consumption improvement. A greater understanding of the fuel energy utilization on the vehicle (here intended as a ‘system’ ) is therefore necessary in order to identify the readily available opportunities for efficiency improvements and, ultimately, to develop automobiles which are more fuel efficient. To this extent, this paper presents a review of the state of the art and technology trends in the field of energy management and recovery for automotive systems, with the primary focus on conventional powertrains. An understanding of the fuel energy utilization and dissipation associated with the vehicle subsystems (the engine, transmission, and chassis) is provided, as well as an overview of the opportunities and potential challenges in improving the fuel economy through system-level energy management, recovery, and harvesting. Finally, an overview of the most important solutions for managing energy dissipation, energy recovery, and harvesting is presented, discussing their potential for fuel economy improvement, technical readiness, and challenges. Wherever possible, projections on fuel economy improvements, based on either experimental data or simulations, are reported to provide opportunity for the assessment and comparison of current and future technologies.

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Section: Managing Powertrain Energy Dissipationmentioning

confidence: 99%

A review of energy consumption, management, and recovery in automotive systems, with considerations of future trends

Chiara

Canova

2013

Proceedings of the Institution of Mechanical Engineers, Part D:

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“…However, Manual Transmission has no advantages to compare with Automatic Transmission when it comes to labor intensity, driving comfort and safety. Table 1 is the comparison of AMT and MT properties [1]. At present, Automatic Transmission mainly includes Hydraulic Automatic Transmission (AT), Mechanical Stepless Automatic Transmission (CVT) and Automated Mechanical Transmission (AMT) [2].…”

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confidence: 99%

Automated Mechanical Transmission Technology and Development Trend

Chen

Zhao

Yin

et al. 2014

AMM

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Automated Mechanical Transmission achieves automatic shifting by applying electronic control technology in traditional dry clutch and Manual Transmission,not only having the advantages of automatic transmission, but also keeping the performance of the original manual transmission. This paper generally introduces the function and performance characteristics of Automated Mechanical Transmission, and elaborates its system structure, working principle and key technology. The key technology is divided into 4 parts, including Electronic Control System, Clutch Control, Shift Strategy and Design and Optimization of the Actuator. Combining with the related companies' research and development products, the performance of the Automated Mechanical Transmission is further analyzed. At the same time, according to the current research status in the world, putting forward the following research focus and development trend of Automated Mechanical Transmission.Keywords: Automated Mechanical Transmission; Key Technology; Development Trend

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