High Speed Line Range Sensor For Mobile Platforms

1989 ◽  
Author(s):  
Paul R. Haugen ◽  
Curt Bocchi
Keyword(s):  
High Speed ◽  
Mobile Platforms ◽  
Range Sensor

scholarly journals High speed near-infrared range sensor based on InP/InGaAs heterostructures

2018 ◽  
Vol 1124 ◽  
pp. 022014 ◽  
Author(s):  
K J Smirnov ◽  
V V Davydov ◽  
S F Glagolev ◽  
G V Tushavin
Keyword(s):  
High Speed ◽  
Near Infrared ◽  
Infrared Range ◽  
Range Sensor ◽  
Near Infrared Range

Profiling of multichip module interconnects with a hybrid high-speed triangulation range sensor

1993 ◽  
Author(s):  
Shahzad F. Kirmani ◽  
Paul R. Haugen ◽  
David M. Kranz
Keyword(s):  
High Speed ◽  
Multichip Module ◽  
Range Sensor

Enhanced Mpilog macromodels for Signal and Power Integrity Simulations

2015 ◽  
Vol 2015 (1) ◽  
pp. 000306-000311
Author(s):  
Gianni Signorini ◽  
Claudio Siviero ◽  
Igor Simone Stievano ◽  
Stefano Grivet-Talocia
Keyword(s):  
High Speed ◽  
Supply Voltage ◽  
State Of The Art ◽  
Low Cost ◽  
System Level ◽  
Power Integrity ◽  
Mobile Platforms ◽  
Power Supply Voltage ◽  
Dynamic Components ◽  
Small Form Factor

Due to increasingly stringent low-cost and small form-factor design constraints, Signal and Power Integrity analyses (SI&PI) have gained a paramount importance in the definition and optimization of mobile platforms. Operating margins are dramatically reduced in order to meet all the required design targets and constraints (extensive re-use, time-to-market, etc.). In this scenario, transistor-level simulations for platform-level analyses are inefficient and often, impractical. I/O-buffer models become essential and their accuracy is crucial for the reliability of SI&PI studies. As data-rates increase, signaling swing reduces and power-supply voltage noise becomes inevitable, state-of-the-art legacy models are limited for SI&PI co-simulations. This work summarizes the recent enhancements of “Mpilog”-class macromodels for high-speed I/O-buffers. Mpilog macromodels reproduce voltage and currents at I/O and (multiple) supply ports as weighted combinations of pull-up/pull-down static and dynamic components. The static parts are extracted via nested DC sweeps simulations and reproduced by tensor representations obtained via high-order singular value decomposition (SVD) processes. The dynamic components are described by linear state-space models identified from device's transient responses to suitable stimuli. For transmitters, the weighting functions match the output-port transitions and the dynamic supply-current profiles, capturing also the dependency of switching delays upon supply-voltage fluctuations; this is a key feature that enables Mpilog macromodels to precisely reproduce simultaneous-switching-noise (SSN) effects in complex system-level SI&PI simulations. The macromodels can be readily synthesized as SPICE netlists (including resistors, capacitors and controlled-sources) or Verilog-A codes; this allows their use in any SPICE-type electrical solver. Several examples of realistic SI&PI simulations for single-ended and differential interfaces are presented. Transistor-level simulations are compared with the corresponding ones based on Mpilog-macromodels: the resulting accuracy and the speed-up factors are extensively discussed. Comparisons with state-of-the-art legacy models (IBIS) are also discussed.

Dynamic Modeling of a Non-Redundant Spatial Mobile Manipulator

2001 ◽  
Author(s):  
James M. Stiles ◽  
Jae H. Chung ◽  
Steven A. Velinsky
Keyword(s):  
High Speed ◽  
Robot Manipulator ◽  
Equations Of Motion ◽  
Three Dimensional ◽  
High Mobility ◽  
Mobile Manipulator ◽  
Mobile Manipulators ◽  
Mobile Platforms ◽  
Wheel Slip ◽  
Kinematic Models

Abstract Mobile manipulators are comprised of robot manipulators mounted upon mobile platforms which allow for both high mobility and dexterous manipulation ability. Although much research has been performed in the area of motion control of mobile manipulators, previous developed models are typically simplified and assume only planar motion and/or holonomic constraints. In this work, the equations of motion of a three dimensional non-redundant wheeled-vehicle based mobile manipulator system are developed using a Newton-Euler formulation. This model incorporates a complex tire model which accounts for tire slip and is thus applicable to high speed and high load applications. The model is systematically exercised to examine the dynamic interaction effects between the mobile platform and the robot manipulator, to illustrate the effects of wheel slip on system performance, and to establish bounds on the efficacy of the simplified existing kinematic models.

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