MOBILITY ENGINEERINGTM ENGLISH QUARTERLY Vol : 5 Issue : 1 January - March 2018 Free Distribution Lean and mean India armed forces order new light-attack chopper developed by HAL HCCI Hands-off engines driving is here Overcoming Cadillac’s Super Cruise, the challenges autonomous-vehicle tech overview ME Altair Ad 0318.qxp_Mobility FP 1/5/18 2:58 PM Page 1 CONTENTS Features 33 Advancing toward driverless cars 46 Electrification not a one-size- AUTOMOTIVE AUTONOMY fits-all solution OFF-HIGHWAY Autonomous-driving technology is set to revolutionize the ELECTRIFICATION auto industry. But getting to a true “driverless” future will Efforts in the off-highway industry have been under way be an iterative process based on merging numerous for decades, but electrification technology still faces individual innovations. implementation challenges. 36 Overcoming the challenges of 50 700 miles, hands-free! HCCI combustion AUTOMOTIVE ADAS AUTOMOTIVE PROPULSION GM’s Super Cruise turns Cadillac drivers into passengers in a Homogenous-charge compression ignition (HCCI) holds well-engineered first step toward greater vehicle autonomy. considerable promise to unlock new IC-engine efficiencies. But HCCI’s advantages bring engineering obstacles, particularly emissions control. 40 Simulation for tractor cabin vibroacoustic optimization OFF-HIGHWAY SIMULATION Cover The Indian Army and Air Foce recently ordered more than a 43 Method of identifying and dozen copies of the new Light stopping an electronically Combat Helicopter (LCH) controlled diesel engine in developed by Hindustan runaway mode OFF-HIGHWAY Aeronautics Limited. The LCH has twin turboshaft engines PROPULSION and is designed for agility, attack capability and high-alti- tude operations. MOBILITY ENGINEERING MARCH 2018 1 CONTENTS Departments 4 Editorial 19 Technology Report 19 Komatsu building AI into construction sites OFF- 6 SAEINDIA News HIGHWAY ELECTIFICATION 6 Baja Mega Workshop, September in Coimbatore 20 PEMS intros on-the-road emissions testing to U.S., 7 SAEINDIA Skill India Initiative, October in Europe AUTOMOTIVE EMISSIONS Coimbatore 21 Who wants Afreecar? AUTOMOTIVE MOBILITY 7 Efficycle 2017, November in Phagwara 23 IAV brings variable valvetrains to heavy duty 8 EGA Two-Wheeler Hybrid Championship virtuals, COMMERCIAL VEHICLE PROPULSION October in Bengaluru 24 Making the case for battery-electric fleet power 8 Tractor Design Competition 2018 workshops, COMMERCIAL VEHICLE PROPULSION October in Chennai 26 Improving the surface finish of additive 9 A World In Motion Regional Olympics manufactured parts AEROSPACE MANUFACTURING 10 TIFAN virtual, November in Pune 28 Thermal management plucks CAFE’s low-hanging 11 SAE International President visits New Delhi, fruit AUTOMOTIVE THERMAL MANAGEMENT Chennai, Bengaluru and Pune 30 Assessing a vehicle’s cooling system performance 15 iTEC India 2017, December in Pune OFF-HIGHWAY THERMAL MANAGEMENT 16 Automotive Engineering show, November in Chennai 32 Reconfigurable chip usage ramps up as ADAS advances AUTOMOTIVE ELECTRONICS 17 Industry News 54 Global Vehicles 17 Army, Air Force issue RFP for HAL’s new Light Combat Helicopter 54 Toyota rethinks the flagship 17 Netradyne launches advanced ADAS solution in India 57 Toyota unveils autonomous e-commerce concept vehicle, development alliance 18 Tata Motors introduces heavy-duty Tipper range with ULTIMAAX suspension 58 Case IH Quadtrac CVX the first high-hp articulated tracked tractor to offer a CVT 60 Honda 2018 Accord: antidote for crossover fever 63 Companies Mentioned, Ad Index 64 Q&A It’s not a question of “if” batteries will work for widespread automotive use, but when and with what chemistry. United Kingdom battery researcher Prof. David Greenwood offers the latest outlook. © SAEINDIA and SAE INTERNATIONAL reserves all rights . No part of this publication and/or website may be reproduced, stored in a retrieval system or transmitted in any form without prior written permission of the Publisher. Permission is only deemed valid if approval is in writing. SAEINDIA and SAE International buys all rights to contributions, text and images, unless previously agreed to in writing.In case of Address/addressee not found return to SAE INDIA, No 1/17Ceebros Arcade, 3rd Cross, Kasturba Nagar, Chennai -600 020. Telefax: 91-44-2441-1904, Phone: 91-44-4215 2280. 2 MARCH 2018 MOBILITY ENGINEERING ME Smalley Ad 0916.qxp_Mobility FP 7/29/16 4:05 PM Page 1 Smalley Wave Spring Coil Spring Reduce spring height by 50% Crest-to-Crest®Crest-to-Crest® All Springs Are Not Equal® Smalley wave springs WaveWave SSpringpring saves space and weight, fitting tight radial and axial spaces, while providing the same force and deflection as ordinary coil/compression springs. Bearing Preloadd Wave Spring Whether you require a custom Spring or a standard, Smalley partners with you to deliver a precision solution that meets your performance requirements. Round Wire Wavo® Spring Visit smalley.com/samples for free samples Ask Smalley. Smalley engineers are ready to share their expertise. Don’t settle for a salesman, talk to a Smalley engineer today to tailor a precision engineered Smalley Wave Spring to your unique application requirements. No-Tooling-Charges™. THE ENGINEER’S CHOICE™ 847-719-5900 | smalley.com/wave-springs | [email protected] EDITORIAL EDITORIAL Bill Visnic Editorial Director [email protected] K. Venkataraj SAEINDIA Editor C. V. Raman Regulation’s role in innovation ED, MSIL [email protected] The auto industry can claim several historic bat- them with the same vigor? Equally intriguing, Arun Jaura Project Director, Michelin tles with government regulation, which largely the basic premise can be reversed: what about [email protected] began to imprint itself on the transportation innovation borne from industry-related research Bala Bharadvaj MD, Boeing R & T sector in the 1960s as general awareness that is subsequently made known to regulators [email protected] broadened regarding man’s effect on the envi- who then decide to mandate it or otherwise Mathew Abraham ronment. Almost in lockstep was a growing Sr. GM, Mahindra include it in regulations? [email protected] concern about the safety of automobiles as The catalytic converter is an example of the Dr. Venkat Srinivas vast highway networks were built in the United first idea—government regulation hastening Vice President & Head - Engineering & Product States and Europe and speeds began to rise in automotive progress. An example of the second Development, Mahindra & Mahindra Truck and Bus Division conjunction with miles travelled. is four-wheel antilock braking systems (ABS). [email protected] In today’s U.S., one of the Trump No government or regulator told auto compa- Lindsay Brooke Editor-in-Chief Administration’s pillar promises is to throttle nies a vehicle must be able to brake without the [email protected] government over-reach that many believe has wheels locking, or be able to apply full braking Ryan Gehm Associate Editor led to excessive regulation of all manner, force while maintaining steering capability. For [email protected] including on the auto industry. So I wasn’t sur- decades, engineers understood the desirability Jennifer Shuttleworth prised when, after a particularly involved ses- for ABS and once the technology became avail- Associate Editor [email protected] sion at SAE’s seminal Government/Industry able, instituted it. Now, ABS is standard equip- Lisa Arrigo Meeting in Washington, DC in January, an engi- ment virtually worldwide and for years has Custom Electronic Products Editor neer asked me if I thought regulation has been mandated in many world markets. [email protected] helped or hindered automotive progress. So it seems obvious regulation can “help” Contributors Having just met this pleasant person, I tried automotive progress in the sense of forcing Kami Buchholz Detroit Editor to be measured with my response, lest the resources to be directed at a problem. But the Stuart Birch conversation become political rather than wonderful thing about engineers is that many European Editor mutually educational. come to their work—and often, their work-re- Jack Yamaguchi Asia Editor I pointed out that Mitch Bainwol, the presi- lated passions—from a multitude of vectors; Steven Ashley dent and CEO of the Alliance of Automobile impetus from regulation is just one possibility. Dan Carney , the prominent U.S. trade associ- The engineers who devoted time to ABS or Terry Costlow Manufacturers Richard Gardner ation that represents a dozen auto companies, self-cancelling turn signals or the automatic John Kendall Bruce Morey noted in an earlier Government/Industry pre- transmission didn’t do so because a regulation Linda Trego Paul Weissler sentation that if proposed U.S. emissions stan- demanded it, however. They did it because of dards remain in place, tailpipe emissions from a professional ardour or the desire to create a bet- DESIGN light vehicle in 2025 will be 99% cleaner than a ter product. Lois Erlacher Creative Director vehicle from the “pre-controlled” era. My “final” answer, then, to the engineer’s initial Ray Carlson One could infer, I said, that regulation—in this question: for good and bad, it’s an increasingly Associate Art Director case, the U.S.’s seminal Clean Air Act of 1970— regulated world, so make the best of it. was directly responsible for accelerating auto- The U.S.’s President Trump is correct in SALES & motive progress in the reduction of air pollution. emphasizing that many regulations are MARKETING The 1970 Clean Air Act certainly spurred devel- wrong-spirited and counter-productive. But it K. Venkataraj SAEINDIA opment of the catalytic converter—an innovation would be a mistake to discount the “focus” that No.1/17, Ceebros Arcade 3rd Cross Kasturba Nagar that few would suggest has been anything but regulation can inflict on research and develop- Chennai India 600 020 immensely important for society. Regulations, as ment. To me, it seems the auto industry oper- (T) 91-44-24411904 (E) [email protected] we all know, also have been the driving force ates under a generally effective blend of the behind many vital safety advances.