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Who Jette Gejl Kristensen How Digital Billedkunstner

Who Jette Gejl Kristensen How Digital Billedkunstner  Actual ”Hyperkinetic Kayak” Why Kunst i et udvidet felt What Kropslige transmissioner

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Who Jette Gejl Kristensen How Digital Billedkunstner

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  1. Who Jette Gejl Kristensen How Digital Billedkunstner Actual ”Hyperkinetic Kayak” Why Kunst i et udvidet felt What Kropslige transmissioner How Artist in residens i CAVI Also Studielektor Kh, AU

  2. ”Hyperkinetic Kayak” Interaktiv kajak Navigation i virtuel ishav 3D stereoskopi Augmented reallity Force feed back

  3. Samarbejde med datalog Peter Møller-Nielsen Dialog-strategi Arbejdsmetode Gensidig faglig respekt Inspiration

  4. Stof

  5. Sten

  6. Grafik: PC:          CPU:  T5400-Intel Xeon E5430 ( 2.66 GHz, Quad Core )  ---          RAM:  4GB DDR2               GPU:  nVidia Quadro FX 5600  Software:    C++ program on top of linux, openGL, glu and glut  ---------  Projectors:  Two Projectiondesign F30 with filters for circular  -----------  polarization. Resolution 1920x1080 on Silverscreen               6 meter x 3.4 meter.  IO:          RS232 connection to Kayak and internet connection  ---          to sound system and Computer Science depart. at               Aarhus University.

  7. Sound: The sounding environment surrounding the hyperkinectic Kayak, is based on data streamed from the 3D virtual environment and the interactive kayak. Meaning; each entity, parameters describing each natural element and events happening in the 3D environment and the kayak, is translated into data driving the 3D sounding environment. The audio-system consist of a 7.1 speaker system, with the subwoofer situated inside the kayak. A computer running a max/msp-program with a spatial diffusion system based on IRCAM`s spat~-algorithms translates the data from the virtual 3D-program into the sounding environment, using the OSC-protocol. Technical setup: 1 Mac mini Intel, ethernet-connection to local router (wired or wireless), 1 8+ FireWire DA-converter (M-Audio ProFire 610 or better), 7 speakers (either passive or active, -if passive: one 7.1 class A surround sound amplifier needed): ATC SCM7 (passive) or Mackie HR624 (active) and 1 subwoofer (focal or the like ) of comparatively size. Speakers are situated around kayak in classic 7,1 setup, with Center-speaker placed below screen, Left, Right, Side Left, Side Right, Rear Left, Rear Right, equally distributed around kayak in ear-hight of person interacting with kayak. Subwoofer situated inside kayak.

  8. HyperKinetic Kajak – technical information. The Kayak is build upon a metal base. On this base the kayak-seat-construction is placed, and with 2 horizontal axes the kayak-seat-construction can tilt from side to side and forward to backwards. The manipulation of those axes is done by 2 linear electrical actuators. On the kayak-seat-construction, the kayak-rudder-stick is mounted. The kayak-rudder-stick is mounted on a flexible but driven spherical ball bearing, that enables maneuvering the kayak, left – right, up and down. After the maneuvering bear ring, another bear ringed axe is mounted, and enables the kayak-rudder-stick movement up an down to the “water”. A last bear ringed axe gives the possibility to row with the rudder-stick. The 2 last axes on the rudder stick, is oil damped with 4 hydraulic cylinders, that in 2 pairs damps the rowing-movement. The damping is step less regulated from a servomotor driven valve, and adds a dynamic variation in the “paddle-resistance”. All 4 moving parts in the rudder stick has sensors to measure the rudder stick position. Electrical system: The control system contains a microcontroller that interfaces serial with the main computer. The microcontroller controls the 2 linear actuators, with a closed loop servo system. Amplified with PWM regulated H-bridges, the 24 volt DC motor power is regulated, and a PID regulation makes the positioning system working. The microcontroller also controls the 2 servomotors that regulate the rudder-stick-damping. A analog to digital converter inside the microcontroller, measures all data from the sensors, and converts them into digital values, that is transferred serial to the main computer. A standard industrial emergency stop with included emergency unit is mounted for extra safety.

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