High-speed sinusoidal phase-modulating laser diode interferometer with a feedback control to eliminate external disturbance

2001 ◽  
Author(s):  
Takamasa Suzuki ◽  
Toshiyuki Maki ◽  
Osami Sasaki
Keyword(s):  
Feedback Control ◽  
Laser Diode ◽  
High Speed ◽  
External Disturbance ◽  
Sinusoidal Phase Modulating

Disturbance-free high-speed sinusoidal phase-modulating laser diode interferometer

2002 ◽  
Vol 41 (10) ◽  
pp. 1949 ◽  
Author(s):  
Takamasa Suzuki ◽  
Toshiyuki Maki ◽  
Xuefeng Zhao ◽  
Osami Sasaki
Keyword(s):  
Laser Diode ◽  
High Speed ◽  
Sinusoidal Phase Modulating

Phase-locked laser diode interferometer: high-speed feedback control system

1991 ◽  
Vol 30 (25) ◽  
pp. 3622 ◽  
Author(s):  
Takamasa Suzuki ◽  
Osmai Sasaki ◽  
Katsuhiro Higuchi ◽  
Takeo Maruyama
Keyword(s):  
Control System ◽  
Feedback Control ◽  
Laser Diode ◽  
High Speed ◽  
Feedback Control System

Photothermal Phase-Modulating Laser Diode Interferometer with High-Speed Feedback Control

2002 ◽  
Vol 9 (1) ◽  
pp. 13-17 ◽  
Author(s):  
Xuefeng Zhao ◽  
Takamasa Suzuki ◽  
Osami Sasaki
Keyword(s):  
Feedback Control ◽  
Laser Diode ◽  
High Speed

STAND-UP MOTION SUPPORT BY A MOBILE MANIPULATOR SYSTEM WITH HIGH SPEED TACTILE SENSORS

2011 ◽  
Vol 08 (03) ◽  
pp. 181-195
Author(s):  
ZHAOXIAN XIE ◽  
HISASHI YAMAGUCHI ◽  
MASAHITO TSUKANO ◽  
AIGUO MING ◽  
MAKOTO SHIMOJO
Keyword(s):  
Fuzzy Logic ◽  
Feedback Control ◽  
Experimental Verification ◽  
High Speed ◽  
Center Of Pressure ◽  
Tactile Sensor ◽  
Mobile Manipulator ◽  
Tactile Sensing ◽  
Robot Arm ◽  
Tactile Sensors

As one of the home services by a mobile manipulator system, we are aiming at the realization of the stand-up motion support for elderly people. This work is charaterized by the use of real-time feedback control based on the information from high speed tactile sensors for detecting the contact force as well as its center of pressure between the assisted human and the robot arm. First, this paper introduces the design of the tactile sensor as well as initial experimental results to show the feasibility of the proposed system. Moreover, several fundamental tactile sensing-based motion controllers necessary for the stand-up motion support and their experimental verification are presented. Finally, an assist trajectory generation method for the stand-up motion support by integrating fuzzy logic with tactile sensing is proposed and demonstrated experimentally.

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