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    • 1. 发明授权
    • Stage position control method and stage position control apparatus capable of improving positioning precision
    • 能够提高定位精度的舞台位置控制方法和舞台位置控制装置
    • US06584367B1
    • 2003-06-24
    • US09608068
    • 2000-06-30
    • Kenichi MakinoYoshiyuki TomitaHidehiko Mori
    • Kenichi MakinoYoshiyuki TomitaHidehiko Mori
    • G05B100
    • G05B19/195G05B2219/41195G05B2219/41368G05B2219/42033G05B2219/49258
    • A Y stage is capable of translational driving in the Y-axial direction, by independently controllable Y1 linear motor and Y2 linear motor. The amount of movement of the Y stage is detected by a Y1 linear encoder and Y2 linear encoder, and fed back to a Y control system and &thgr; control system. The Y control system outputs a translational thrust command value, by receiving the average value of each positional detecting value measured by the Y1 linear encoder and Y2 linear encoder as the stage translational direction position feedback value. The &thgr; control system receives the difference between each position detecting value as a stage yawing direction position feedback value, and outputs a yawing direction thrust command value. A non-interference block outputs Y1 linear motor thrust command value and Y2 linear motor thrust command value, by the use of the translational thrust command value and the thrust command value. Thus, the movement of the Y stage can be divided into translational direction movement and yawing direction movement, and independently controlled and compensated.
    • Y级能够通过独立可控的Y1直线电机和Y2直线电机在Y轴方向上进行平移驱动。 Y级的移动量由Y1线性编码器和Y2线性编码器检测,并反馈到Y控制系统和θ控制系统。 Y控制系统通过接收由Y1线性编码器和Y2线性编码器测量的每个位置检测值的平均值作为平台平移方向位置反馈值来输出平移推力指令值。 θ控制系统接收每个位置检测值之间的差作为舞台横摆方向位置反馈值,并输出偏航方向推力指令值。 无干扰块通过使用平移推力指令值和推力指令值输出Y1线性电机推力指令值和Y2线性电机推力指令值。 因此,Y阶段的运动可以分为平移方向运动和偏航方向运动,并进行独立的控制和补偿。
    • 2. 发明授权
    • Position controlling apparatus capable of reducing the effect of disturbance
    • 能够降低扰动效果的位置控制装置
    • US06564110B1
    • 2003-05-13
    • US09588530
    • 2000-06-07
    • Kenichi MakinoYoshiyuki TomitaHidehiko Mori
    • Kenichi MakinoYoshiyuki TomitaHidehiko Mori
    • G05B1918
    • G05B19/313G05B13/0265G05B2219/41368G05B2219/41385
    • A discrete Kalman filter 12 and a disturbance estimating unit 13 are added to a feedback loop for feeding back a detected value of position from a position detector 6. The Kalman filter estimates position and velocity of an object to be controlled, thereafter outputting an estimated value of position and an estimated value of velocity. The disturbance estimating unit estimates from a command value of current and the estimated value of velocity the disturbance that is added to a load 5. The estimated value of position is fed back to a position controller 1, and the estimated value of velocity is fed back to a velocity controller 2. Further, a difference between a target value of current outputted from the velocity controller and the estimated value of disturbance is output as the command value of current.
    • 将离散卡尔曼滤波器12和干扰估计单元13添加到用于从位置检测器6反馈检测到的位置值的反馈回路。卡尔曼滤波器估计要控制的对象的位置和速度,然后输出估计值 的位置和速度的估计值。 干扰估计单元从电流的指令值和速度的估计值估计加到负载5上的干扰。将估计的位置值反馈到位置控制器1,并且将估计的速度值反馈 另外,输出从速度控制器输出的电流的目标值与估计的干扰值之间的差作为电流的指令值输出。
    • 3. 发明授权
    • Position control system and velocity control system for stage driving mechanism
    • 位置控制系统和舞台驱动机构的速度控制系统
    • US06668202B2
    • 2003-12-23
    • US09989531
    • 2001-11-21
    • Kenichi MakinoMasayuki YamamotoYoshiyuki Tomita
    • Kenichi MakinoMasayuki YamamotoYoshiyuki Tomita
    • G05B1918
    • G05B19/19G05B5/01G05B11/42G05B13/04G05B2219/41145G05B2219/41368G05B2219/42033
    • A position control system includes a PID controller for generating a current target value of a linear motor from a difference between a positional detected value and a positional command value, and a disturbance observer. The disturbance observer includes a signal processing unit comprising a filter for filtering a torque command value for a motor drive and an input torque estimating filter carrying out estimation for obtaining an estimated input load torque from the detected positional value. An inverse model of a motor torque constant calculates an estimated disturbance load torque from the difference between the filtered torque command value and the estimated input load torque and generates a correction value for the current target value so as to cancel a disturbance torque on the basis of the estimated disturbance load torque being calculated.
    • 位置控制系统包括:PID控制器,用于根据位置检测值和位置指令值之间的差异产生线性电动机的当前目标值;以及扰动观察器。 扰动观察器包括信号处理单元,该信号处理单元包括滤波器,用于滤波电动机驱动的转矩指令值;以及输入转矩估计滤波器,用于从检测到的位置值获得估计的输入负载转矩。 电动机转矩常数的逆模型根据滤波后的转矩指令值和估计的输入负载转矩之间的差计算估计的扰动负载转矩,并且生成用于当前目标值的校正值,以便基于 估计的扰动负载转矩被计算。
    • 5. 发明申请
    • Frequency Band Extension Apparatus and Method, Encoding Apparatus and Method, Decoding Apparatus and Method, and Program
    • 频带扩展装置及方法,编码装置与方法,解码装置及方法及程序
    • US20110137659A1
    • 2011-06-09
    • US12739106
    • 2009-08-28
    • Hiroyuki HonmaToru ChinenYuki YamamotoYuhki MitsufujiKenichi Makino
    • Hiroyuki HonmaToru ChinenYuki YamamotoYuhki MitsufujiKenichi Makino
    • H04B1/10
    • G10L21/038
    • The present invention relates to a frequency band extension apparatus and method, an encoding apparatus and method, a decoding apparatus and method, and a program, with which a music signal can be reproduced with higher sound quality by means of frequency band extension.Band-pass filters 13 obtain a plurality of subband signals from an input signal. A frequency envelope extracting circuit 14 extracts a frequency envelope from the plurality of subband signals obtained by the plurality of band-pass filters. A highband signal generating circuit 15 generates highband signal components on the basis of the frequency envelope obtained by the frequency envelope extracting circuit 14, and the plurality of subband signals obtained by the band-pass filters 13. A frequency band extension apparatus 10 extends the frequency band of the input signal on the basis of the highband signal components generated by the highband signal generating circuit 15. The present invention can be applied to, for example, a frequency band extension apparatus, an encoding apparatus, a decoding apparatus, and the like.
    • 本发明涉及一种频带扩展装置和方法,编码装置和方法,解码装置和方法以及程序,通过频带扩展可以以更高的音质再现音乐信号。 带通滤波器13从输入信号中获得多个子带信号。 频率包络提取电路14从由多个带通滤波器获得的多个子带信号中提取频率包络。 高频信号发生电路15根据由频率包络提取电路14获得的频率包络以及由带通滤波器13获得的多个子带信号,生成高频带信号分量。频带扩展装置10将频率 基于由高频带信号发生电路15产生的高频带信号分量,输入信号的频带。本发明可以应用于例如频带扩展装置,编码装置,解码装置等 。