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    • 3. 发明申请
    • METHOD AND APPARATUS FOR DETERMINING ROAD SURFACE CONDITION
    • 用于确定道路表面条件的方法和装置
    • US20120330493A1
    • 2012-12-27
    • US13527917
    • 2012-06-20
    • Yasushi HANATSUKATomoyuki HIGUCHITomoko MATSUI
    • Yasushi HANATSUKATomoyuki HIGUCHITomoko MATSUI
    • G06F17/16
    • B60T8/172B60T2270/86
    • A method, featuring robustness against changes in tire size, is provided for determining a road surface condition by dividing a time-series waveform of tire vibrations into windows without resorting to detection of the peak positions or measurement of the wheel speed. A time-series waveform of tire vibrations detected by a tire vibration detecting unit is windowed by a windowing unit. Time-series waveforms are extracted from the respective time windows, feature vectors X are calculated therefor, and then likelihoods Z for road-surface HMMs (hidden Markov models) are calculated. The likelihoods Z1 to Z5 calculated for the respective road-surface HMMs are compared with one another, and a road surface condition corresponding to the road-surface HMM showing the highest likelihood is determined to be the condition of the road surface on which the tire is running.
    • 通过将轮胎振动的时间序列波形划分为窗口来确定路面状态,而不需要检测峰值位置或车轮速度的测量,提供了一种具有抗轮胎尺寸变化的鲁棒性的方法。 由轮胎振动检测单元检测到的轮胎振动的时间序列波形由加窗单元加窗。 从相应的时间窗口提取时间序列波形,计算特征向量X,然后计算路面HMM(隐马尔可夫模型)的可能性Z。 对各路面HMM计算出的可能性Z1〜Z5进行比较,将与表现出最高似然度的路面HMM对应的路面状态确定为轮胎为路面的路面状况 跑步
    • 9. 发明申请
    • BUFFER CONTROL DEVICE AND BUFFER MEMORY DEVICE
    • 缓冲器控制器件和缓冲器存储器件
    • US20100180095A1
    • 2010-07-15
    • US12095610
    • 2006-11-28
    • Masanori FujibayashiNobuo HigakiKazushi KurataTomoko Matsui
    • Masanori FujibayashiNobuo HigakiKazushi KurataTomoko Matsui
    • G06F12/14
    • G06F5/14G06F2205/062
    • The buffer control device of this invention includes: a pointer holding unit which holds a virtual pointer different from a read pointer and a write pointer; an access control unit that controls an access to a ring buffer; a judging unit that judges whether or not one of the read pointer and the write pointer has reached an address substantially identical to an address indicated by the virtual pointer; and disabling unit that disables a normal access using the one of the read pointer and the write pointer, when the judging unit judges that the one of the read pointer and the write pointer has reached the address substantially identical to the address indicated by the virtual pointer, the normal access being controlled by the access control unit, wherein the access control unit further controls a reaccess to the ring buffer.
    • 本发明的缓冲器控制装置包括:保持与读指针不同的虚拟指针和写指针的指针保持单元; 访问控制单元,其控制对环形缓冲器的访问; 判断单元,判断读指针和写指针之一是否达到与虚拟指针所指示的地址基本相同的地址; 以及禁止单元,其在所述读取指针和所述写入指针之一达到与所述虚拟指针所指示的地址基本相同的地址的情况下,使用所述读取指针和所述写入指针中的一者禁止正常访问 正常访问由访问控制单元控制,其中访问控制单元进一步控制对环形缓冲器的重新访问。