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project_lyta_materials_research [2007-07-17 14:06] – nikproject_lyta_materials_research [2015-06-06 11:52] – nik
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 ====== Generalities ====== ====== Generalities ======
 +
  
  
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   * Performance requirements   * Performance requirements
-  * Force Control in Displacement (>1 cm +  * Force Control in Displacement (>1 cm) 
-  * Smoothness, minimum vibration needed to perceive a stimulus (ideal 250Hz +  * Smoothness, minimum vibration needed to perceive a stimulus (ideal 250Hz) 
-  * Speed and Bandwidth: Response time (<1 sec +  * Speed and Bandwidth: Response time (<1 sec) 
-  * Resolution (<3 cm+  * Resolution (<3 cm)
   * Fabrication issues   * Fabrication issues
-  * Parts (< 10 euro/taxel +  * Parts (< 10 euro/taxel) 
-  * Labor (?? +  * Labor (??) 
-  * Assembly (time and difficulty +  * Assembly (time and difficulty) 
-  * Durability (child-proofness+  * Durability (child-proofness)
   * Maintenance   * Maintenance
   * Efficiency: Power consumption   * Efficiency: Power consumption
   * Quiescent power consumption should be low   * Quiescent power consumption should be low
   * Active power consumption should be not too high   * Active power consumption should be not too high
-  * Especially for electrical actuators (<10W?+  * Especially for electrical actuators (<10W?)
   * Consider limiting the number of possibly simultaneously active taxels to <100%   * Consider limiting the number of possibly simultaneously active taxels to <100%
-  * Heat dissipation (see Power above+  * Heat dissipation (see Power above)
   * Safety   * Safety
   * Physical Dimension   * Physical Dimension
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   * Flow Control Valves    * Flow Control Valves 
 +
  
  
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   * Piezos: Piezo-Industrial Meisters : See  http://www.piezo.com   * Piezos: Piezo-Industrial Meisters : See  http://www.piezo.com
  
-  * Piezoelectric Composites (Actuators+Sensors): Active piezoelectric composites are constituted of uniaxially oriented piezoceramic fibres sandwiched between two interdigitated electrodes and embedded in a polymer matrix +  * Piezoelectric Composites (Actuators+Sensors): Active piezoelectric composites are constituted of uniaxially oriented piezoceramic fibres sandwiched between two interdigitated electrodes and embedded in a polymer matrix  http://www.empa.ch >      Materials > Adaptive Materials Systems
-                                      http://www.empa.ch +
-                                       >      Materials > Adaptive Materials Systems+
  
 [[http://www.empa.ch/plugin/image/empa/2156]] [[http://www.empa.ch/plugin/image/empa/2156]]
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 [[http://www.cis.plym.ac.uk/cis/InsectRobotics/Resources.htm]] [[http://www.cis.plym.ac.uk/cis/InsectRobotics/Resources.htm]]
   *  (http://www.cis.plym.ac.uk/cis/InsectRobotics/Resources.htm   *  (http://www.cis.plym.ac.uk/cis/InsectRobotics/Resources.htm
 +
  
  
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   * Moderate actuation time should allow some rough positioning.   * Moderate actuation time should allow some rough positioning.
  
-  **Very**  * sturdy looking.+**Very** sturdy looking.
  
-  **Temperature** **Actuation time**  * Drawbacks:   (hot, 60-90C),  Several seconds+**Temperature**  
 + 
 +**Actuation time**   
 + 
 +  * Drawbacks:   (hot, 60-90C),  Several seconds
   * Conclusion: Tricky balance between power, heat, and actuation time.   * Conclusion: Tricky balance between power, heat, and actuation time.
  
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-  * Artificial muscles and miscle fibres made with ion-conductive polymers and EAPs: fromhttp://www.eamex.co.jp/index_e.html+  * Artificial muscles and miscle fibres made with ion-conductive polymers and EAPs: from http://www.eamex.co.jp/index_e.html
  
   * Prototype actuator arrays made from shape memory alloys and electrorheological sandwiches:   * Prototype actuator arrays made from shape memory alloys and electrorheological sandwiches:
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 ===== Other Actuator Tech ===== ===== Other Actuator Tech =====
-[[ActuatorTechnology|]]+[[Actuator Technology]]
  
 ====== Sensors ====== ====== Sensors ======
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 ====== More potentially useful stuff ====== ====== More potentially useful stuff ======
 +
  
  
 ===== Electronic Supplies and Parts ===== ===== Electronic Supplies and Parts =====
-[[ElectronicSupplier]]+[[Electronic Supplier]]
  
  
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   * temperature can aid a lot in the perception of touch. This extremely interesting research area has not yet yielded satisfactory results for purposes of tactile shape recognition up to the beginning of 2004.   * temperature can aid a lot in the perception of touch. This extremely interesting research area has not yet yielded satisfactory results for purposes of tactile shape recognition up to the beginning of 2004.
 +
 +
  
  
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   * how do we know if the person on the other side of the display is nervous, or has just entered the house after a massive rain-pour?   * how do we know if the person on the other side of the display is nervous, or has just entered the house after a massive rain-pour?
  
-  [[ActuatorTable.xls]] +{{ActuatorTable.xls}}                                      
-  *  ActuatorTable.xls +
-                                         +
  • project_lyta_materials_research.txt
  • Last modified: 2015-06-06 11:52
  • by nik