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Smart electrical automobiles are trending in direction of integration of the automotive {industry} with client electronics and clever ecosystems. Integrating full-stack applied sciences is a needed step for the {industry}’s evolution. Lei Jun said that by integrating industrial manufacturing, good software program, and AI, Xiaomi EV will utterly redefine the automotive {industry}, marking a big leap in its technological panorama.
Xiaomi EV is dedicated to a bottom-up strategy, ranging from creating foundational core applied sciences and in-depth unbiased analysis in key expertise sectors. Xiaomi EV has invested over 10 billion CNY within the preliminary analysis and growth part. The R&D group contains over 3,400 engineers and over a thousand technical specialists in important domains each in China and overseas. This convention unveiled breakthroughs within the growth of Xiaomi EV’s 5 core applied sciences. In key sectors comparable to E-Motor, Battery, Xiaomi Die-Casting, Xiaomi Pilot Autonomous Driving, and Smart Cabin, quite a few Xiaomi EV’s self-developed applied sciences have grow to be first-of-kind globally or domestically.
E-motor
At the convention, Xiaomi showcased its independently developed and manufactured E-motors, HyperEngine V6/V6s, and HyperEngine V8s. The three E-motors, using revolutionary applied sciences comparable to Bidirectional Full Oil Cooling Technology, S-shaped oil circuit design, and staggered silicon metal laminations design, rival the efficiency of conventional giant V8 and V6 powertrains from the period of inside combustion engines, pushing the {industry}’s efficiency boundaries to new heights.
Notably, HyperEngine V8s, with a most velocity of 27,200 rpm, 425kW output, and 635N·m peak torque, units a worldwide file for E-motors. To allow the industry-exceeding commonplace of 27,200 rpm, HyperEngine V8s make use of the {industry}’s first extremely high-strength silicon metal plate with a tensile power of 960MPa, boasting power that surpasses mainstream {industry} choices by greater than two-times.
For cooling design, HyperEngine V8s adopts a Bidirectional Full Oil Cooling Technology and an S-shaped oil circuit design. For the stator, a dual-cycle oil circuit is employed, growing the warmth dissipation space by 100% and reaching a cooling impact of as much as 20°C. Meanwhile, the rotor part utilises a patented S-shaped oil circuit, growing the warmth dissipation space by 50% and reaching a cooling impact of as much as 30°C. Additionally, the stator silicon metal laminations function a “step-like” staggered design, additional growing the efficient warmth dissipation space by a further 7%.
HyperEngine V8s is in growth and set to be mass-produced and carried out in Xiaomi EVs in 2025.
Xiaomi’s self-developed HyperEngine V6/V6s E-motors boast an industry-leading rotational velocity of 21,000rpm, surpassing essentially the most highly effective mass-produced electrical motor globally. Among them, the HyperEngine V6 tremendous motor has a most energy of 299PS and a most torque of 400N·m, whereas the HyperEngine V6s tremendous motor achieves a most energy of 374PS and a most torque of 500 Nm.
Battery
Xiaomi has additionally self-developed CTB Integrated Battery Technology by revolutionary Inverted Cell Technology, multifunctional elastic interlayer, and a minimalistic wiring system; it includes a battery integration effectivity of 77.8%, the best of CTB batteries worldwide, a 24.4% general efficiency enchancment, and a peak discount of 17mm, with a most battery capability of as much as 150 kWh and theoretical CLTC recharge vary exceeding 1200 km.
To guarantee steady efficiency throughout long-range journey, Xiaomi employs industry-leading security design requirements. The downward-facing stress reduction valve swiftly releases power in excessive conditions, maximising passenger cabin security. A 14-layer strong bodily safety system consists of three layers of prime assist, three layers of aspect safety, and eight layers of backside safety.
In phrases of warmth dissipation, a dual-side water cooling resolution implements warmth dissipation plates on each lengthy sides of the battery cells, reaching a cooling space of seven.8m²—4 instances the {industry} common.
The sides of the battery cells function 165 items of aerogel insulation materials, able to resisting temperatures as much as 1000°C.
Xiaomi EV is supplied with a self-developed Battery Management System (BMS) with ASIL-D, the best useful security degree. This BMS consists of three unbiased thermal runaway displays and alarms, together with an around-the-clock early warning system. Each Xiaomi battery boasts industry-leading reliability and undergoes essentially the most stringent battery security checks, together with 1050+ security verifications and 96 instances the worldwide commonplace of sturdiness testing length.
Xiaomi Die-Casting
Xiaomi has unveiled its self-developed Xiaomi Die-Casting T9100 cluster and proprietary die-casting alloy materials, Xiaomi Titans Metal, making it the one home automaker concurrently self-researching each giant die-casting and supplies.
Xiaomi Die-Casting T9100 covers an space of 840m², with a complete weight of 1050t and locking pressure reaching 9100t. Xiaomi has developed a basis mannequin high quality judgement system that may full inspections of particular person items inside 2 seconds, providing an effectivity ten instances greater than handbook inspection. The utility of this cluster permits a outstanding achievement for Xiaomi EV, with the rear underbody integrating 72 elements into one, lowering welded joints by 840, reducing general automotive weight by 17%, and considerably lowering manufacturing hours by 45%.
In materials analysis and growth, Xiaomi has developed Xiaomi Titans Metal, a high-strength, high-resilience, heat-treated die-casting materials. Xiaomi’s self-developed “Multi-Material Performance Simulation System” selects the optimum alloy components from 10.16 million prospects, making certain an ideal mixture of power, resilience, and stability.
While the {industry} focuses on the tonnage of die-casting clamping stress, Xiaomi is steadfastly pursuing a full-stack self-researched path. From supplies and gear clusters to completed castings. Xiaomi has accomplished almost all elements of the massive die-casting industrial chain.
Xiaomi Pilot Autonomous Driving
In the sphere of clever software program expertise, Xiaomi has showcased its distinctive benefit as a worldwide expertise chief, driving the mixing of the automotive and client electronics industries with clever ecosystems. In phrases of autonomous driving, Xiaomi has pioneered three key applied sciences: Adaptive BEV Technology, Road-Mapping Foundational Model, and Super-Res Occupancy Network Technology.
Adaptive BEV Technology is an industry-leading innovation that invokes totally different notion algorithms based mostly on situations. The notion grid has a minimal granularity of 5cm and a most of 20cm, with a recognition vary extending from 5cm to 250m. This expertise ensures wider visibility in city situations, prolonged imaginative and prescient in high-speed situations, and extra precision in parking situations.
The Road-Mapping Foundational Model revolutionises conventional strategies of perceiving highway situations. This mannequin not solely acknowledges them in actual time and intelligently switches to a extra affordable driving trajectory however also can navigate easily in advanced intersections with out counting on high-definition maps because of studying from advanced intersection situations and skilled driver habits.
In phrases of impediment recognition, Xiaomi’s Super-Res Occupancy Network Technology achieves limitless classes of recognition for irregular obstacles. Compared to conventional networks that interpret obstacles as blocks, Xiaomi’s revolutionary vector algorithm simulates all seen objects as steady curved surfaces. This improves recognition accuracy to as little as 0.1m. Additionally, Xiaomi’s self-developed one-click noise discount function eliminates the impression of rain and snow on recognition, considerably lowering the likelihood of misidentification.
In addition to the Road-Mapping Foundational Model, Xiaomi has additionally independently developed the world’s first production-ready “End-to-End Sensing and Decision-Making AI Model” for automated parking. This mannequin permits for real-time statement and dynamic adjustment when parking in difficult situations, comparable to parking services that embrace elevators.
On the {hardware} entrance, the system is supplied with top-of-the-line configurations, together with two NVIDIA Orin high-performance chips with a mixed computing energy of 508TOPS. Perception {hardware} consists of one LiDAR, eleven high-definition cameras, three millimetre-wave radars, and twelve ultrasonic radars on the Xiaomi SU7 Max mannequin. With top-tier configurations and full-stack in-house analysis, Xiaomi’s clever Autonomous Driving system is about to hitch the {industry}’s prime echelon by 2024.
Smart Cabin
Xiaomi EV Smart Cabin adopts a “human-centric” interplay structure and includes a 16.1-inch 3K central console, a 56-inch HUD head-up show, a 7.1-inch rotating dashboard, and two seat-back extension mounts that enable for the mounting of two pill units. It is supplied with the Snapdragon 8295 in-car chip with AI computing energy of as much as 30 TOPS, enabling an final interactive expertise with the linking of 5 totally different screens.
The interactive expertise of Xiaomi Smart Cabin is just like tablets, permitting customers to shortly adapt with out the necessity for a studying curve. The system operates exceptionally easily, with the car OS launching in 1.49 seconds after the door is unlocked. Additionally, it provides seamless cross-device connection between smartphones and the EV. For instance, when the telephone is introduced into the cabin, the console mechanically shows an icon, enabling easy accessibility to the telephone’s interface with a single contact.
The in-car OS seamlessly integrates mainstream functions, together with the entire Xiaomi pill utility ecosystem, with gradual adaptation to over 5000 functions. Smartphone functions could be conveniently pinned to the automotive console, immediately reworking them into in-car functions. In phrases of {hardware} integration, Xiaomi SU7 helps over 1000 Xiaomi good residence units for easy integration with the car, enabling automated discovery, password-free entry, and the flexibility to arrange automation situations, creating a sturdy CarIoT ecosystem. The automotive inside additionally has devoted pin-point enlargement connections, supporting plug-and-play performance for a variety of units. To meet the wants of customers, Xiaomi EV absolutely helps CarPlay, the mounting of iPads and iPad equipment, and functions on the rear extension mount.
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