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About Rainbow Robotics RB-Y1
Rainbow Robotics RB-Y1 is a mobile dual-arm platform with a humanoid upper body and a wheeled base.
Manufacturer
Key Specifications
Weight
13 kg
Status
ACTIVE
Category
Humanoid
Model A / Model A DOF
24 DOF (Includes 2 wheel drives; excludes optional gripper additions)
Model M / Model M DOF
26 DOF (Includes 4 wheel drives; excludes optional gripper additions)
Model A / Model A mass
131 kg (Upper 38 kg + lower 42 kg + base 51 kg)
Model M / Model M mass
170 kg (Upper 38 kg + lower 42 kg + base 90 kg)
Model A / Model A W×D×H
600 × 690 × 1400 mm
Model A / Model A battery
25 Ah (Model A battery pack)
Model A / Model A base speed
5.4 km/h
Software control / Simulator
MuJoCo (ARM and x86 containers)
Actuator mechanics / Gear type
Harmonic + pulley (Actuator RWY2/LWY2)
Model M / Model M wheel drives
4 DOF
Battery charger / Boost voltage
57.6 V (Charger curve)
Battery charger / Charger model
HEP-600C-48 (Battery charger component)
Battery charger / Float voltage
54.4 V (Charger curve)
Optional tooling / Gripper mass
530 g (Optional RB-Y1 gripper)
Actuator mechanics / Joint range
-155…155 ° (Actuator RWY2/LWY2)
Actuator mechanics / Motor power
45 W (Actuator RWY2/LWY2)
Common specifications / Head DOF
2 DOF
Model A / Model A reach to wrist
600 mm (Plus installed hand)
Model A battery pack / Pack mass
7.2 kg (Model A battery pack)
Model B battery pack / Pack mass
14.2 kg (Model B battery pack)
Software control / Control modes
Position / velocity / Cartesian / impedance (Also gravity compensation, optimal control and SE2 velocity)
Common specifications / Torso DOF
6 DOF
Model A battery pack / Pack model
LV-50V25AH-DH375 (Model A battery pack)
Model B battery pack / Pack model
LV-50V50AH-VX2COM (Model B battery pack)
Optional tooling / Gripper stroke
100 mm (Optional RB-Y1 gripper)
Battery charger / Charger DC input
120-370 V (DC)
Model B battery pack / Pack energy
2500 Wh (Model B battery pack)
Common specifications / DOF per arm
7 DOF
Model A / Model A arm repeatability
<±0.05 mm
Optional tooling / Gripper actuator
XM430-W210 (Optional RB-Y1 gripper)
Optional tooling / Leader-arm scale
≈65 % (Optional leader arms; relative to RB-Y1 arms)
Actuator mechanics / Wheel gear type
Planetary (RWH/LWH drives)
Model A battery pack / Pack capacity
25 Ah (Model A battery pack)
Model B battery pack / Pack capacity
50 Ah (Model B battery pack)
Software control / Simulation models
URDF / MJCF
System and development / Development
SDK / simulation training pipeline
Model A battery pack / Pack chemistry
Li-ion (Model A battery pack)
Model B battery pack / Pack chemistry
Li-ion (Model B battery pack)
Software control / Low-level commands
500 Hz (UDP; fixed real-time channel rate)
Actuator mechanics / Wheel motor power
200 W (Per RWH/LWH drive)
Model A battery pack / Pack dimensions
427 × 140 × 99 mm (Model A battery pack)
Model B battery pack / Pack dimensions
467 × 171 × 138 mm (Model B battery pack)
Optional tooling / Teleoperation modes
Joint and task-space mapping (Optional leader arms; gravity-compensation button and gripper trigger)
Software control / High-level commands
≤100 Hz (gRPC; once and stream modes)
System and development / System supply
48 V
Common specifications / Payload per arm
3 kg (Per arm)
Optional tooling / Gripper finger speed
40 mm/s (Optional RB-Y1 gripper)
Actuator mechanics / Maximum joint speed
180 °/s (Actuator RELB/LELB)
Electronics and connectivity / SCB board
KC v1.2 only (KC-certified robot version 1.2 only)
Electronics and connectivity / USB ports
2 ports
Model A battery pack / Pack manufacturer
TABOS Inc. (Model A battery pack)
Model B battery pack / Pack manufacturer
TABOS Inc. (Model B battery pack)
Actuator mechanics / Wheel rotation speed
150 rpm (RWH/LWH drives)
Battery charger / Charger input frequency
47-63 Hz (HEP-600C-48 charger component)
Electronics and connectivity / HDMI ports
1 ports
Model A battery pack / Pack marked voltage
50 V (Model A battery pack)
Model B battery pack / Pack marked voltage
50 V (Model B battery pack)
Battery charger / Constant charging current
10.5 A (Charger curve)
Model A battery pack / LV-series cycle life
≈5000 cycles (Model A battery pack; varies with usage conditions)
Model A battery pack / Pack nominal voltage
51.7 V (Model A battery pack)
Model B battery pack / LV-series cycle life
≈5000 cycles (Model B battery pack; varies with usage conditions)
Model B battery pack / Pack nominal voltage
51.7 V (Model B battery pack)
Torque and transmission / Continuous torque
14 Nm (Actuators R/L WY1/WP/WY2)
Electronics and connectivity / User computer
Jetson AGX Orin 64G (U-PC module on AVerMedia D315 carrier; replaceable with a user PC)
System and development / Ambient temperature
≤40 °C
Torque and transmission / Transmission error
≈50 arcsec (Actuators R/L WY1/WP/WY2)
Electronics and connectivity / Ethernet ports
2 ports (U-PC: 10 Gbps; other port: 1 Gbps)
Electronics and connectivity / Robot computer
UP Xtreme i12 (R-PC; 12th-generation Intel Core)
Battery charger / Charger output-current range
5.2-10.5 A (HEP-600C-48 charger component)
Battery charger / Charger output-voltage range
46.1-60.5 V (HEP-600C-48 charger component)
Electronics and connectivity / Direct teaching
Tool-flange button
Electronics and connectivity / External supply
Battery or SMPS (External SMPS requires back-EMF protection)
Torque and transmission / Repeated peak torque
36 Nm (Actuators R/L WY1/WP/WY2)
Actuator mechanics / Measurable / limit current
8/7 A (Actuator RWY2/LWY2)
Battery charger / Charger operating temperature
-40…+70 °C (Charger component, not whole robot)
Electronics and connectivity / Peripheral power
5 / 12 / 24 V (External outputs; each up to 8 A)
Torque and transmission / Momentary peak torque
70 Nm (Actuators R/L WY1/WP/WY2)
Torque and transmission / Motor torque constant
0.05 Nm/A (Actuators R/L WY1/WP/WY2)
Torque and transmission / Transmission stiffness
6100 Nm/rad (Actuators R/L WY1/WP/WY2)
Electronics and connectivity / Emergency shutdown
EMO button and remote control (Hardware interruption of module power; routing depends on SCB configuration)
Electronics and connectivity / Wireless connection
Wi-Fi (Robot hotspot and Web UI)
Torque and transmission / Motor encoder resolution
14 bit (Actuators R/L WY1/WP/WY2)
Electronics and connectivity / Internal CAN network
4 channels (R-PC channels for arms, torso and wheels; not user-accessible)
Electronics and connectivity / Terminal-board fuses
4 × 15 A (5 × 20 mm fuse size)
Additional joint and flange details / Head pan: range
−180…180 ° (Head joint from Hardware Overview)
Additional joint and flange details / Head tilt: range
−180…180 ° (Head joint from Hardware Overview)
Electronics and connectivity / Tool-flange user bypass
6 lines (Connector A; connected to U-PC)
Additional joint and flange details / Exterior material
Aluminum
Additional joint and flange details / Wheel-drive range
Continuous rotation (RWH/LWH drives)
Additional joint and flange details / Connector A supply
12 / 24 V (Tool flange; connector A pinout)
Additional joint and flange details / Connector B supply
5 V (Tool flange; connector B pinout)
Additional joint and flange details / Head pan: max speed
180 °/s (Head joint from Hardware Overview)
Electronics and connectivity / Tool-flange digital inputs
2 (Connector B: DI[A], DI[B])
Additional joint and flange details / Head tilt: max speed
180 °/s (Head joint from Hardware Overview)
Electronics and connectivity / Tool-flange digital outputs
2 (Connector B: DO[A], DO[B])
Verified ecosystem
Software and resources
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verified compatible projects
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public maintainers
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Official resources
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Official software
No official software project has been verified yet.
Community projects
No verified community project has been linked yet.
Developers and contributors
No public maintainer profile is linked yet.
Verified activity
No verified project activity is available.
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Imported from the Unibot owner catalog · Not independently verified · Imported 2026-11-11 · Unibot source · Methodology