A 32 Khz 14Bit Optical Absolute Rotary Encoder With A Cmos Profile Sensor

• doi: 10.1109/JSEN.2008.920709
• title: A 3.2 kHz, 14-Bit Optical Absolute Rotary Encoder With a CMOS Profile Sensor
• publisher: IEEE
• isbn:
• issn: 2379-9153
• rank: 404
• access_type: LOCKED
• content_type: Journals
• abstract: We have developed a 3.2 kHz, 14-bit optical absolute rotary encoder system using a profile sensor and a slit disc. The profile sensor, which we have designed for this purpose, is a unique CMOS area image sensor aimed at high-speed position detection of X and Y axes. Y axis profile data from the profile sensor is used for recognition of an index code on the slit disc, and X axis profile data is used for position detection of the index code. This combination of two-axis information enables high resolution even with a small number of index codes (64 indexes) and a small amount of digital calculations. Experimental results show that this system can detect rotation with an angular resolution of 14 bits (0.022deg) and a maximum detection speed of 3.2 kHz.
• article_number: 4567528
• pdf_url: https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=4567528
• html_url: https://ieeexplore.ieee.org/document/4567528/
• abstract_url: https://ieeexplore.ieee.org/document/4567528/
• publication_title: IEEE Sensors Journal
• conference_location:
• conference_dates:
• publication_number: 7361
• is_number: 4567509
• publication_year: 2008
• publication_date: Aug. 2008
• start_page: 1430
• end_page: 1436
• citing_paper_count: 56
• citing_patent_count: 0
• download_count: 921
• insert_date: 20080716
• index_terms:
  • ieee_terms:
    • Optical sensors
    • CMOS image sensors
    • High speed optical techniques
    • Sensor systems
    • Motion detection
    • Automotive engineering
    • Photodiodes
    • Image sensors
    • Image edge detection
    • Goniometers
  • author_terms:
    • Absolute rotary encoder
    • CMOS image sensor
    • optical encoder
    • position detection
  • dynamic_index_terms:
    • Optical Encoder
    • Rotary Encoder
    • Absolute Encoder
    • Profile Sensor
    • High-resolution
    • Optical System
    • Optical Devices
    • Profiling Data
    • Image Sensor
    • Camera Sensor
    • Code Number
    • Rotation System
    • Rotation Scheme
    • Rotation Strategy
    • Angular Resolution
    • Index Codes
    • High-speed Detection
    • High Detection Speed
    • Root Mean Square Error
    • Root-mean-square Deviation
    • RMSD
    • RMSE
    • Active Area
    • Centroid
    • Photodiode
    • Rotation Angle
    • Angle Measurements
    • Position Index
    • Position Indices
    • Pixel Pitch
    • Sensor Area
    • Readout Circuit
    • Radial Direction
    • Analog-to-digital Converter
    • Analog-to-digital
    • Digital-to-analog Converter
    • Angle Data
    • Direction Of Rotation
    • Light Spot
• authors:
  • Author Name: Yukinobu Sugiyama
    Affiliation: Hamamatsu Photonics K. K., Hamamatsu, Japan
    Author URL: https://ieeexplore.ieee.org/author/37555051400
    ID: 37555051400
    Order: 1
    Author Affiliations:
    • Hamamatsu Photonics K. K., Hamamatsu, Japan
  • Author Name: Yoshinori Matsui
    Affiliation: Hamamatsu Photonics K. K., Hamamatsu, Japan
    Author URL: https://ieeexplore.ieee.org/author/37970366400
    ID: 37970366400
    Order: 2
    Author Affiliations:
    • Hamamatsu Photonics K. K., Hamamatsu, Japan
  • Author Name: Haruyoshi Toyoda
    Affiliation: Hamamatsu Photonics K. K., Hamamatsu, Japan
    Author URL: https://ieeexplore.ieee.org/author/37342270600
    ID: 37342270600
    Order: 3
    Author Affiliations:
    • Hamamatsu Photonics K. K., Hamamatsu, Japan
  • Author Name: Naohisa Mukozaka
    Affiliation: Hamamatsu Photonics K. K., Hamamatsu, Japan
    Author URL: https://ieeexplore.ieee.org/author/37563895400
    ID: 37563895400
    Order: 4
    Author Affiliations:
    • Hamamatsu Photonics K. K., Hamamatsu, Japan
  • Author Name: Atsushi Ihori
    Affiliation: Hamamatsu Photonics K. K., Hamamatsu, Japan
    Author URL: https://ieeexplore.ieee.org/author/37563895700
    ID: 37563895700
    Order: 5
    Author Affiliations:
    • Hamamatsu Photonics K. K., Hamamatsu, Japan
  • Author Name: Tetsuya Abe
    Affiliation: Hamamatsu Photonics K. K., Hamamatsu, Japan
    Author URL: https://ieeexplore.ieee.org/author/37962027200
    ID: 37962027200
    Order: 6
    Author Affiliations:
    • Hamamatsu Photonics K. K., Hamamatsu, Japan
  • Author Name: Minori Takabe
    Affiliation: Hamamatsu Photonics K. K., Hamamatsu, Japan
    Author URL: https://ieeexplore.ieee.org/author/37945427000
    ID: 37945427000
    Order: 7
    Author Affiliations:
    • Hamamatsu Photonics K. K., Hamamatsu, Japan
  • Author Name: Seiichiro Mizuno
    Affiliation: Hamamatsu Photonics K. K., Hamamatsu, Japan
    Author URL: https://ieeexplore.ieee.org/author/37551769500
    ID: 37551769500
    Order: 8
    Author Affiliations:
    • Hamamatsu Photonics K. K., Hamamatsu, Japan

Image Sensor

• sensor_type: CMOS
• resolution: 256 x 256
• dynamic_range: Not specified
• pixel_size: 7.8 µm
• dark_current: Not specified

Optical Data

• focal_length: Not specified
• aperture: Not specified
• field_of_view: Not specified
• distortion: Not specified

Performance Metrics

• frame_rate: 3.2 kHz

Applications & Benefits

• cell_imaging: Not specified
• benefits: High-speed position detection, high resolution (14-bit), compact design

Supporting Organizations

• supported_by: Hamamatsu Photonics K.K.

Manuscript Details

• publication_date: Aug. 2008

Relevancy Score

• score: 9
• missing_fields:
  • fill factor
  • quantum efficiency
  • temporal noise
  • fixed-pattern noise
  • analog-to-digital conversion techniques
  • microlenses
  • on-chip colour filters
  • global or rolling shutters
  • backside illumination

Processed JSON Filename

request_2aac2e52-9399-47b5-ae53-f67b9f889157-a_32_khz_14bit_optical_absolute_rotary_encoder_with_a_cmos_profile_sensor.json