Automotive steering system analysis: EPS dominates the market, SBW prepares for totally autonomous driving. After a whole lot of years of improvement, automotive steering techniques have derived HPS, EHPS, EPS, SBW and different varieties.
New York, Aug. 16, 2021 (GLOBE NEWSWIRE) — Reportlinker.com pronounces the discharge of the report “China Automotive Steering System Trade Report, 2021” – https://www.reportlinker.com/p06128350/?utm_source=GNW
At current, HPS (hydraulic energy steering) and EHPS (digital hydraulic energy steering) have been broadly utilized in industrial automobiles, whereas EPS (electrical energy steering) is principally utilized to passenger automobiles, and SBW (Steer-by-Wire) has the bottom penetration charge.
EPS occupies the passenger automobile market, whereas HPS and EHPS dominate the industrial car market
In Chinese language passenger automobile steering system market, the share of EPS has elevated from 80.1% in 2016 to 96.4% in 2020; solely a small variety of passenger automobiles undertake HPS and EHPS options. Comparatively talking, the upper the worth of automobiles, the upper the proportion of EPS options utilized.
Because of its small measurement, low energy consumption, gentle weight and suppleness, EPS is the primary alternative for brand new power automobiles. EPS accounted for 99.91% of the brand new power passenger automobile market in 2020, and this proportion is predicted to achieve 100% sooner or later.
HPS and EHPS are often seen in most industrial automobiles, particularly heavy-duty automobiles, because of their excessive energy and low costs. In 2020, China’s industrial car steering techniques had been nonetheless dominated by HPS and EHPS, of which EHPS made up for 40.1%. Nevertheless, the market shares of HPS and EHPS will regularly be grabbed by EPS sooner or later as a result of they not solely devour numerous energy, but additionally trigger hydraulic oil leakage, which don’t meet environmental safety necessities.
The EPS penetration charge of native passenger automobile manufacturers is regularly rising
Within the Chinese language passenger automobile market, the EPS penetration charge of Chinese language passenger automobile manufacturers is way decrease than that of overseas passenger automobile manufacturers. In 2020, the previous was 90.7%, whereas the latter hit as excessive as 100%. Nevertheless, with the gradual tightening of environmental safety, native manufacturers will regularly abandon the polluting steering techniques resembling HPS and EHPS. By 2026, the EPS penetration charge of Chinese language passenger automobile manufacturers is predicted to achieve 100%.
Multinational firms dominate the market, whereas native firms attempt to outlive
At current, the worldwide automotive steering system market is principally occupied by distributors resembling JTEKT, Bosch, ZF, ThyssenKrupp, NSK, Mando, Hitachi Astemo. These multinational firms have deployed the Chinese language market by sole proprietorship or joint ventures, firmly occupied the provision channels of luxurious and three way partnership model automakers, and penetrated into the provision system of native automakers.
There are greater than 100 native firms in China, however most of them are small firms focusing on the aftermarket with weak competitiveness. Zhejiang Shibao, CAAS, Elite, Nexteer Automotive, and so on. which have comparatively sturdy competitiveness can compete with multinational giants. For instance, Nexteer Automotive and Zhejiang Shibao have entered the provision techniques of American, German and Japanese automakers by advantage of their sturdy power, and have taken locations within the siege of multinational firms.
Main distributors and automakers have deployed SBW which shall be promising sooner or later
The most important distinction between SBW and EPS is that the previous removes the mechanical connection between the steering wheel and the rack and makes use of ECU to transmit instructions as a substitute. SBW options quick response, versatile set up, lighter weight, and improved collision security.
SBW expertise was proposed as early as 1950. After many years of improvement, it has now been mass-produced on Infiniti’s a number of fashions. Though SBW nonetheless has issues resembling excessive value, immature expertise, restricted consumer acceptance, low penetration charge, and so on., some automotive steering distributors and automakers are very optimistic about SBW expertise and are making efforts herein. There shall be numerous manufacturing fashions utilizing SBW.
In June 2021, China Automotive Techniques, Inc. (CAAS) introduced that Hubei Henglong Automotive Techniques Group Co. Ltd., a unit of the corporate, had purchased 40% stake in Sentient AB, a Swedish automotive expertise firm. Sentient has patents within the area of wire management.
On June 5, 2021, Shanghai NASN Automotive Electronics Co., Ltd. launched three new chassis-by-wire merchandise, together with SBW system options that help L3-L4 autonomous driving. 6 redundancy options guarantee the traditional operation of the steering system.
In 2020, Tesla deliberate to ascertain a brand new workforce in Austin, Texas, USA, chargeable for motors, transmission techniques and chassis applied sciences. Within the recruitment, Tesla required candidates to have work expertise in “”SBW and brake/motor integration””. Sooner or later, Tesla could be the first that utilized SBW expertise to Cybertruck battery-electric pickups.
In June 2021, Nice Wall Motors launched Espresso Good 2.0, geared up with an digital mechanical SBW system which is the primary home SBW expertise supporting L4+ autonomous driving. From the facility provide to sensors, controllers and actuators, it adopts a triple backup design with the ASIL D security stage. It’s anticipated to be formally put into industrial utility in 2023.
Subaru introduced that it’ll use SBW expertise on Solterra, which shall be launched in 2022.
In 2020, Dongfeng Vans and Inceptio Know-how cooperated to confirm L3 heavy-duty truck prototype A. At the side of Knorr-Bremse, they comprehensively demonstrated and repeatedly adjusted and optimized technical options, efficiency parameters, time schedules, improvement prices, and so on., and accomplished the L3 brake-by-wire and steering redundancy options. By the top of 2021, L3 autonomous vehicles shall be mass-produced and landed on arterial expressways.
China Automotive Engineering Analysis Institute Co., Ltd. (CAERI) has labored with Huawei, Baidu, Schaeffler and lots of different firms to collectively compile SBW and Brake System Communication Protocol Necessities and Take a look at Specs, which is conducive to selling the event of SBW expertise and its utility in clever automobiles.
At current, the penetration charge of SBW in China is extraordinarily low, and was estimated at 0.1% in 2020. Within the subsequent few years, the penetration charge will soar quickly, and it’s anticipated to achieve 15% by 2026. In the meantime, the market scale will regularly develop to RMB12.16 billion, with profitable improvement prospects.
EPS is the important thing to ADAS features, whereas SBW is among the key applied sciences for totally autonomous driving
The automotive steering system is carefully associated to the event of autonomous driving. At current, EPS is the important thing to ADAS features, serving totally different ranges of autonomous driving with typical ADAS features like APA, LDW&LKA and DSR. Nevertheless, in essence, the steering sign of EPS nonetheless comes from the driving force, whereas the steering sign of SBW stems from the algorithm. Due to this fact, SBW could be fully separated from the driving force to manage steering as one of many key applied sciences for totally automated driving sooner or later.
At current, some automotive steering system firms have begun to deploy autonomous driving.
Nexteer Automotive can cowl L1-L5 autonomous driving by its EPS, high-availability EPS, SBW and different product portfolios. 32% of EPS orders signed by the corporate are concerned with L3-L5 ADAS/AD features. The ADAS-related patents accounted for 22.7% of the corporate’s whole in 2020.
By way of autonomous driving and superior driving help, JTEKT develops and produces EPS that meets the nationwide normal ISO26262 for automotive purposeful security. By dual-systemizing the torque sensor that displays the driving force’s operation and the motor drive that gives the steering help torque, the sustainability of EPS is improved. As well as, JTEKT has developed SBW expertise for autonomous driving above L3.
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