Multi-degree-a-lawt lu ai shara (MDF) gaw, grai sawng ai shara shamu shamawt lam hpe galaw lu ai mechatronic jak langai rai nga ai. Simulation, industrial chyam dinglik ai lam, tsi tsi ai lam hta gram lajang ai lam, shangwi shapyaw ai lam ni hta grai lang ai. Shi a madung manu gaw, multi-dimensional shamu shamawt ai lam hpe hkang ai hku nna, tengman ai grup yin hta shamu shamawt ai akyang lailen ni hpe shingdaw ai lam hta rai nga ai, jai lang ai ni hpe immersive (sh) high-htuk manu ai chyam dinglik masa ni hpe jaw ya ai. Ndai laika hta MDF platform ni a design npawt tara ni, ahkyak ai hpaji masa ni, laklai ai ladat ni, jai lang ai lam ni hpe tsun dan na re.
I. MDF Platform ni a madung tara ni hte garan ginhka ai lam
MDF platform ni gaw madung hku nna, laksan hku nna hkang lu ai shamu shamawt ai axes law law (ga gale ai hte shinggrup ai zawn re ai) ni hpe kahkyin gumdin ai hku nna, three-dimensional shara hta n-gun rawng ai shamu shamawt lam hpe lu la mai ai. Shanglawt ai℃jahpan hpe madung tawn nna, {-degree--lawt lu ai (3-DOF) masum hte -lawt lu ai℃-(6-DOF) kru hku garan mai ai. Six-DOF platform ni gaw grau nna lang ai amyu rai nna, linear shara htawt sit ai lam masum (X/Y/Z) hte shinggrup ai angle masum (roll, pitch, hte yaw) hpe kalang ta hkang lu ai.
Drive ladat hpe madung tawn nna, lawt lu ai platform law law hpe madung hku nna lahkawng hku garan nna tsun ai:
1. Hpaji hte shalai ai lam: Ndai ni gaw, hka htung cylinder, wan jak actuator, shing nrai, servo motor ni hpe kam hpa nna, matut mahkai ai lam hpe shalai ya ai. Shanhte gaw n-gun ja ai lit-hkap la lu ai atsam hte npawt nhpang hpe ngang grin hkra galaw ya ai majaw, n-gun ja ai arung arai ni (flight simulator zawn re ai) ni a matu htuk manu ai.
2. Parallel mechanism (Stewart platform zawn re ai): Ndai ni gaw, n-gun law law a shamu shamawt ai lam hpe jai lang nna, platform a shara hpe gram lajang ai. Shanhte gaw grai hkrak ai hte lawan ai hku bai htang ai lam hpe jaw ya ai, hkrak ai shara hpe masat da ai hte fine-tuning galaw na matu law malawng lang ma ai.
II. -Shawnglawt ai Platform law law a matu Madung Hpaji Ladat ni
1. Hkrun lam hpe hkang ai Algorithm ni
Multi-degree--lawt lu ai platform ni a madung mayak mahkak gaw,multi-axis hpe jawm galaw ai hkang zing ai lam hta rai nga ai. Masha law malawng lang ai ladat ni gaw:
PID hkang ai lam: Ndai gaw, actuator langai hpra a pru ai lam hpe gram lajang na matu, mahtai jaw ai lawan ai hte ngang grin ai lam hpe rap ra hkra galaw na matu, proportional-integral-derivative hkang ai lam hpe lang ai. Madung shara jahkrat ai bungli ni a matu htuk manu ai.
Inverse kinematics: Ndai gaw, yaw shada ai shara hpe madung tawn nna, n-gun rawng ai angle (sh) shara htawt sit ai lam ni hpe nhtang hku nna dawdan ya ai. Ndai lam gaw, n-htuk n-htuk ai shingdaw ai lam hpe hparan na matu, nambat masat masa (sh) sawk sagawn ladat (Denavit-Hartenberg parameter ladat zawn re ai) ni hpe kahkyin gumdin ra ai.
Adaptive control hte predictive control: System hpe grau ngang kang hkra galaw na matu, lit galai shai ai lam (sh) shinggan na n hkru n kaja ai lam ni hpe htang ai hku nna, hkang ai lam ni hpe n-gun ja ai hku gram lajang ai.
2. Sensor hpawng de ai lam hte bai htang ai lam
Tengman ai shamu shamawt ai lam hpe chye na ai lam gaw, multi-sensor data fusion hpe madung tawn ai, ga shadawn:
• Encoders: Motor angle (sh) linear shara htawt sit ai lam hpe aten dep - yu reng ai;
• Inertial Shadawn Shadang (IMUs): Myit masa hpe sawn dinglik ai hta karum ya na matu, lawan ai hte angular velocity hte seng ai jahpan ni hpe jaw ya ai;
• Laser rangefinder/shingran ai ladat ni: -htuk manu ai shinggan masat masa galaw na matu lang ai.
Kalman filtering (sh) neural network algorithms hku nna, law law kaw na shiga ni hpe hpawng de ai gaw, shut ai lam ni hpe grai shayawm ya lu ai.
3. Hkrang hkrang shapraw ai lam hte jak rung hpe grau kaja hkra galaw ai lam
Platform a jak rung hkrang a n-gun atsam hte center of gravity garan ginhka ai lam gaw shamu shamawt ai lam hpe hkrak hkra machyi shangun ai. Design hpe myit yu ra ai lam ni gaw:
• N-gun n law ai hte n-gun n rawng ai hpe rap ra hkra galaw ai: Carbon fiber (sh) aluminum n-gun rawng ai n-gang ni hpe lang ai;
• Rational drive layout: Ga shadawn, Stewart platform kata na branch ni hpe maren mara garan gachyan ai gaw, torque n bung ai lam hpe shayawm ya lu ai;
• Damping hte n-gun shayawm ai hkrang shapraw ai lam: Hkamja lam hpe hkrak hkra pat shingdang ai -frequency n-gun shayawm ai hpe pat shingdang ai.
III. Kalang lang jai lang ai mabyin masa ni hte tatut jai lang mai ai ladat ni
1. Nbungli/Mawdaw hpe shingdaw sharin hpawng
Six-degree-of-lawt lu ai platform ni gaw, nbungli jawn ai ni (sh) mawdaw gau ai ni a matu, lawan ai hte shinggrup ai zawn re ai n-gun ja ai lam ni hpe shingdaw nna, tengman ai sharin hkam la ai makau grup yin hpe jaw ya ai. Hkrang shapraw sa wa na ladat ni gaw:
• Physics engine ni (MATLAB/Simulink zawn re ai) hpe madung tawn nna, yaw shada ai shamu shamawt lam ni hpe shapraw ai;
• Hydraulic servo system ni hte hpawng de nna, n-gun kaba hte n-gun kaba pru wa lu na matu;
• N-gun jaw ai jak ni hku nna, shada da matut mahkai ai lam hpe jat ya ai.
2. Hpaga lam hte seng ai arung arai ni hpe chyam dinglik ai lam
Mawdaw hkrat sum ai lam hpe chyam dinglik ai (sh) electronic arung arai nbung laru hpe chyam dinglik ai hta, -lawt lu ai platform law law gaw grai sawng ai bungli galaw ai masa ni hpe bai galaw lu ai. Ga shadawn:
• Random vibration hpe hkang ai algorithm ni hpe jai lang nna, madang ni hte maren (ISO 16750 zawn re ai) n-gun rawng ai nsam ni hpe shapraw lu na matu;
• Hpaji rawng ai -htuk manu ai shara htawt sit ai sensor ni hpe lang nna, arung arai a ngang grin ai lam hpe jep joi ai lam.
3. Tsi hte gram lajang ai Robotics
Hkamja lam hte seng ai sharin hpawng ni gaw machyi masha ni hpe active hte passive motion pattern hku nna hkum hkrang daw ni hpe bai gram lajang lu hkra karum ya ai. Madung hpaji masa ni hta:
• Machyi masha a electromyographic (EMG) masat kumla ni hpe madung tawn nna shamu shamawt ai amplitude hpe gram lajang ai;
• Lahkawng lang ngu na hkala nba n byin hkra, hkan sa ai hkang zing ladat ni hpe hkan sa na.
IV. Htawm hpang rawt jat galu kaba wa na matu lam matsun ni
Artificial hpaji masa hte arung arai hpaji masa nnan ni rawt jat wa ai hte maren, -lawt lu ai platform law law gaw hpaji masa hte kaji kajaw shatai ai lam de sit sa wa nga ai. Ga shadawn:
Kalang ta virtual-teng man ai hku hkang lu na matu digital twin hpaji hpe shapraw ai;
Shape memory alloys ni hpe madung tawn nna n-gun n law ai actuator ni hpe gyin shalat ai;
Space manipulator hte hka kata na robot ni zawn re ai rawt jat wa nga ai ginra ni de jat wa ai.
Daw dan lam
Multi-degree-of-lawt lu ai platform ni hta ladat ningnan ni gaw shinggyim masha -mashin hte matut mahkai ai lam hte tinang hkrai galaw ai hpaji masa a lamu ga jarit ni hpe matut nna shadut nga ai. Control theory, mechanical design, hte hpaji amyu myu hta jai lang ai lam ni hpe sung sung hpawng de ai hku nna, shanhte a atsam marai hpe grau dam lada ai masa lam ni hta shapraw dan lu na re.
