雷军发布小米YU7冬季操稳测试

5D调查01-14

1月14日，小米公司创始人、董事长、首席执行官雷军发文称：小米汽车非常重视冬季驾驶体验，我们将通过小米YU7冬季操稳测试，带大家直观了解冰雪路面上，小米汽车是如何让操控更加稳定的。　　此外，他还转载了一篇小米汽车冬季操稳安全科普文章。　　01 冬季行车痛点　　冬季行车，无论是南方的雨季，还是北方的雪季，车辆在低附着路面刹车距离变长、加速时产生侧滑，或者在转弯时容易产生推头/ 甩尾现象等，...

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href=https://finance.sina.com.cn/chanjing/wddc/2026-01-14/doc-inhhfvyv8483405.shtml><strong>5D调查</strong></a>\n\n\n</h4>\n\n</header>\n<article>\n<div>\n<p>1月14日，小米公司创始人、董事长、首席执行官雷军发文称：小米汽车非常重视冬季驾驶体验，我们将通过小米YU7冬季操稳测试，带大家直观了解冰雪路面上，小米汽车是如何让操控更加稳定的。\n　　此外，他还转载了一篇小米汽车冬季操稳安全科普文章。\n\n　　01 冬季行车痛点\n　　冬季行车，无论是南方的雨季，还是北方的雪季，车辆在低附着路面刹车距离变长、加速时产生侧滑，或者在转弯时容易产生推头/ 甩尾现象等，...</p>\n\n<a href=\"https://finance.sina.com.cn/chanjing/wddc/2026-01-14/doc-inhhfvyv8483405.shtml\">网页链接</a>\n\n</div>\n\n\n</article>\n</div>\n</body>\n</html>\n","isBrief":false,"type":0,"news_type":1,"symbol":"SG9999003461.SGD","symbol_name":"United Asia Pacific Infrastructure 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甩尾现象等，这种‘失控感’往往是冬天开车最害怕的。\n　　想在冬天开车‘更稳定’，核心离不开三点：‘轮胎能不能抓牢地面’、‘底盘调校’够不够稳、以及‘智能电控系统’能不能及时介入；其中，抓地力是基础中的基础 —— 哪怕再优秀的电控和底盘，在有冰雪覆盖的路面，第一步需要先换上冬季胎，才能让后面的技术发挥作用。\n　　冬季轮胎针对低温及冰雪路面拥有更适合的橡胶配方和花纹设计，其在低温沥青路面以及冰雪路面的抓地力会更好，所以如果您所在城市常有积雪覆盖路面，或者环境温度低于-7℃，建议您及时更换冬季轮胎，更利于保障行车安全。\n\n　　02 什么是ESP？\n　　面对冬季复杂的行车场景，ESP作为核心安全配置，是保障行车稳定的“隐形守护者”。\n　　ESP——也叫‘车身电子稳定系统’，当ESP系统介入工作时，仪表盘上会出现一个‘一台车拖着两条小尾巴’的黄色标志在不断闪烁。\n　　当车辆遇到打滑、紧急转向，转向过度或者转向不足时，ESP系统就会通过车身的传感器，检测车辆方向盘的角度、以及每个车轮的转速、横摆角速度等数据，判断车辆是否处在一个将要打滑，或接近打滑的状态。\n　　一旦判定车辆即将打滑，它会自动给对应的车轮施加制动力，同时限制扭矩输出，控制车辆姿态，帮助驾驶员修正行驶轨迹，拉回安全路线。\n\n　　ESP系统作为控制车身稳定的关键角色，它包含了ABS、TC、ESC等功能。\n　　ABS全称为‘汽车防抱死制动系统’\n　　当车辆在低附路面全力制动时，车轮很容易从滚动变为在路面上滑动，从而产生‘抱死’，不仅会导致车辆无法转向或甩尾，还可能导致制动距离变长；\n　　ABS 的核心作用，就是通过‘轮速传感器’实时监测每个车轮的滑移和加减速状态。当车轮出现抱死或不稳定趋势时，会通过“高频点刹”自动控制每个车轮的制动力大小，使车轮与地面保持最佳附着状态，提高制动稳定性和可转向性，同时缩短制动距离。\n　　TC全称为‘牵引力控制系统’\n　　当车辆在低附着路面加速时，会由于驱动扭矩超过了路面附着极限，从而产生打滑，这也就是为什么在低附着路面上，前驱车更容易推头，后驱车更容易甩尾；\n　　这时牵引力控制系统可以及时识别打滑的车轮，并通过及时降低扭矩，快速抑制车辆打滑，使车辆获得良好的加速稳定性，无论在直线还是弯道都可以实现更好的动态平衡。\n　　ESC全称为‘电子稳定性控制系统’\n　　当车辆在低附着路面以较高车速进入弯道，或者紧急避让障碍物时，车辆会很容易产生转向过度、转向不足等现象；\n　　这时系统会对车辆的单个或多个车轮进行适当的制动，同时调整驱动系统的动力输出，帮助驾驶员保持预期的转向行驶，减少了驾驶员在复杂路况下频繁修正方向的频率，提高了车辆的操控性能。\n　　ESP系统就像一个“聪明的行车安全员”，时刻盯着车辆的行驶状态，一旦发现车子即将打滑，就立刻出手帮忙修正车身姿态。\n \n　　03 小米汽车ESP：标定更精细、响应更快、防滑更稳\n　　让车辆行驶的更稳定只是基础，为此小米汽车在传统ESP的基础上，做了多处关键优化升级。\n　　首先，标定更为精细，小米汽车搭载的ESP10.0系统，匹配VDC2.0车身稳定性控制系统，可以更加精确的把握ESP的介入时机和力度控制从‘粗暴控制’到‘无感式控制’，真正达到‘人车合一’的驾驶感受。\n　　在一次移线过程中，小米会对超过50个指标进行评价与标定。从打方向开始到结束全流程关注，不仅保障‘不失稳’，更在意车身控制与变道过程的线性程度，动力/制动控制细腻，还原驾驶员操作意图，真正做到‘无感式控制’ ；\n　　在小米汽车看来，‘不失稳’是安全基线，ESP不应粗暴打断驾驶员操作，否则会导致避障能力严重下降；好的ESP标定是线性修正驾驶员错误操作、排除路况影响，准确还原车辆预期轨迹，让驾驶员感受到‘人车合一’。\n　　其次，模式更精细，小米汽车为不同水平的驾驶员提供了不同的稳定性控制挡位。\n　　最稳定的挡位对驾驶员的权限进行适当限制，对普通驾驶员的滞后、超调等‘不精确的输入’进行容错，但依然保持良好的动态敏捷性、线性度；\n　　随着挡位降低，从中性到灵活，将车辆驾驶权逐步交到驾驶员手中，由驾驶员更多的掌控车辆动态，提供更大的敏捷性宽容度，但依然可以保证车辆在大动态的稳定性。\n　　同时，小米汽车搭载TCS系统的‘进化版’dTCS，防滑响应速度提高10倍以上\n　　传统燃油车的TCS系统由于控制算法与发动机控制单元（ECU）分属不同系统，控制链路长，从传感器感应到车轮打滑到发动机限制扭矩的过程超过100ms，控制有一定的滞后性；\n　　小米汽车则搭载了博世的分布式牵引力控制系统dTCS，将控制算法嵌入到整车控制器（VCU）中，控制周期缩短至2ms，响应速度比燃油车提高10倍以上，可更好的抑制车轮打滑。\n\n　　与此同时，小米汽车针对能量回收场景做了专项开发，通过控制前后扭矩分配，及动能回收‘防抱死’控制车身不打滑，更稳定。\n　　双电机四驱扭矩控制eAWD：可实时、动态调整前后电机（车轮）的扭矩分配，在急加速、弯道、坡道、湿滑路面等极端条件下提高车辆的操控稳定性和循迹性 // 仅Max车型\n　　动能回收扭矩控制RTCL：通过辅助驾驶感知系统与传统车辆动力学进行融合，对路面状态、坡度、驾驶员制动意图等进行判断，计算路面对前后轴可提供的最大摩擦力，在保证减速度一致性的前提下实施的进行能量回收强度的调整，有效的避免车辆抱死或失稳，以支持未来更高的回收强度的拓展；\n　　电液协调制动：在电池回收能力受限时（如低温或满电场景），协调液压制动实现减速；电机故障情况下依然可依靠液压制动刹停；低附着路面自动触发ABS功能。\n　　最后，为进一步提升湿滑路面的行驶稳定性，小米汽车专为冰雪等低附着路面开发了‘湿滑模式’，降低加速、减速时驱动轮发生打滑、造成车辆失稳的风险，以获得更安全的驾乘体验，不管是南方的雨季还是北方的雪季都适用。\n　　湿滑模式打开后，系统动力输出更柔和，减少后轮甩尾风险；同时Max车型还会采用更稳定的四驱分配策略，优先让前轮发力，进一步避免打滑；加速时，也会优先调用前电机，保护后轮抓地力，降低后轴打滑风险。同时优化刹车能量回收强度，进一步保障您的冬季行车安全。\n\n　　04 结语\n　　为进一步保障大家的冬日行车安全，今年冬天小米汽车带着小米YU7来到零下30℃的漠河，开展一系列冬测项目，如‘冰雪圆环测试’、‘冰雪高速双移线测试’、‘15%对开坡爬坡’等测试项目，致力为用户提供更扎实的安全保障。\n　　优秀的‘智能电控系统’为我们的日常驾驶提供了至关重要的安全保障，它可以在一些复杂路况有效提升行车稳定性，给你充足的信心。所以我们要呼吁大家，在日常行驶中不要轻易关闭‘电子稳定系统’，规范驾驶，注意行车安全。\n　　小米汽车始终以用户需求为导向，通过持续的电控技术创新与严苛的测试验证，为您的每一次冬日出行筑牢安全防线，把‘冬季行车不慌、操控稳定可靠’的体验，传递给每一位车主。\n\n\n海量资讯、精准解读，尽在新浪财经APP\n\n责任编辑：李昂","kind":"news","is_publish_news":true,"is_publish_highlight":false,"is_publish_live":false,"is_publish_wemedia":null,"editions":null,"column":"","sentiment":"0","news_tag":"","news_rank":0,"symbols":[],"gpt_button":0,"need_auth":false,"code":"91000000","status":"200"},"commentList":[],"isCommentEnd":true,"newsSizeData":{"likeSize":0,"commentSize":0,"repostSize":0,"favoriteSize":0,"likeStatus":false,"favoriteStatus":false},"APP":{"userAgent":"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; 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