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Self-driving Vehicle Actuator Industry Report, 2016NEW YORK, May 24, 2016 /PRNewswire/ -- Drive-by-wire braking system has been extensively used in F1cars, and is replaced when the driving range reaches less than 2,000 km, which causes high costs. Its braking sensitivity is much higher than that of traditional braking systems. Moreover, its flexibility increases dramatically. Hence, the braking system is very practical in the field of ADAS and self-driving. This is why Tesla can achieve intelligentization more easily. Drive-by-wire braking system substitutes ESC system or TCS (traction control system), which allows vehicle manufacturers to get rid of dependence on ESC manufacturers. Tesla Model S, Porsche 918 Spyder, and Audi R8-ETRON adopt this design. There are two systems inside the car: one is traditional front wheel hydraulic brake without EVP, which has the function of ABS; the other is rear-wheel drive-by-wire braking system, which uses electrical signal and motor to control brake calipers. The disadvantages of drive-by-wire braking system are also evident: first, small braking force due to limited motor power; second, high requirements for heat resistance of brake discs. Porsche 918 Spyder and Audi R8-ETRON adopt ceramic brake discs while Tesla uses high-grade ITT brake discs. Third, due to small volume left for braking motor, only permanent magnet motor can be used. And when you put on brakes, permanent magnet has long been working under the high temperature, thus leading to demagnetization. The reliability of drive-by-wire braking system is yet to be tested. At present, the system, which incurs high costs, can not be used as main braking system but only as auxiliary brake. In the field of EPS, things get better. China acquired Nexteer, and some enterprises can produce low-end C-EPS. However, the future development of EPS is targeted at R-EPS. There is still an obvious gap between at home and abroad. EPS market is highly concentrated, with the top four manufacturers holding a combined market share of over 75%. The market share of Jtekt exceeded one third. After selling ZF Lenksysteme, ZF still has TRW steering business, reflecting that it has placed emphasis on steering system. For fuel vehicle design, if you want to develop ADAS or self-driving, it may well be the fastest and most cost-effective way to cooperate with Bosch rather than Continental, whose ESC system is rare in China. As for independent sensor design companies, it is the best choice to partner with manufacturers capable of developing ESC braking system, and the same is true of international companies. Take Sweden-based Autoliv, which invested JPY30 billion in April 2016 to cooperate with Japan's Nissin Kyogo. With regard to China-made vehicle design, we suggest the cooperation with South Korean Mando In terms of hybrid electric vehicle design, it is best way to adopt ZFTRW IBC and Continental MK C1 to develop ADAS or self-driving. At the early stage of promotion. Continental and ZF are eager to get support from vehicle manufacturers. Moreover, due to its high integration level, the self-driving function can easily be set in drive-by-wire hydraulic brake. For electric vehicle design, if you adopt permanent magnet motor, given the narrow working range and poor high-temperature resistance of permanent magnet motor, braking system cannot depends too much on the opposing torque of the motor, hence the need to use the powerful booster brake system like Bosch iBooster. If you use AC induction motor, braking system can rely heavily on the opposing torque of the motor, and rear wheel can use the most advanced EMB, or the real drive-by-wire brake. Read the full report: http://www.reportlinker.com/p03851602-summary/view-report.html About Reportlinker ReportLinker is an award-winning market research solution. Reportlinker finds and organizes the latest industry data so you get all the market research you need - instantly, in one place. http://www.reportlinker.com __________________________ Contact Clare: [email protected] US: (339)-368-6001 Intl: +1 339-368-6001 To view the original version on PR Newswire, visit:http://www.prnewswire.com/news-releases/self-driving-vehicle-actuator-industry-report-2016-300274320.html SOURCE Reportlinker |