1.    Industry Background and Challenges:

The cleaning industry, particularly indoor cleaning, requires significant manual labor for repetitive tasks. However, urban property management increasingly faces challenges of labor shortages and high operational costs. With advancements in artificial intelligence, intelligent unmanned cleaning robots have emerged. As fully autonomous systems, these robots impose significantly higher requirements on drive wheel motors. Traditional brushed motors and basic brushless motors can no longer meet the demands of intelligent equipment. For instance, robots require motors with excellent low-speed performance to ensure successful charging pile alignment or mapping; compact size with high output torque; waterproof capabilities for operation in wet environments; low noise levels to meet indoor acoustic requirements; and high safety standards with rapid braking capabilities to prevent collisions with people or objects, enabling harmonious human-machine interaction.

2.    Solutions:

To address the specific demands of the cleaning robot industry, Hollysys Motor has developed specialized servo hub motor systems to meet rigorous requirements for drive wheels. Below is our solution for cleaning robot mobility:

-       Product Configuration:

Servo Hub Motor 10050LA2350F30

Servo Drive DS20270C

-       System Architecture Diagram:

-       Key Technical Specifications:

Servo Hub Motor 10050LA2350F30

Servo Drive DS20270C

Industry Application Images

3.    Technical Advantages

Meeting the stringent motor requirements of the cleaning robot industry, our servo hub motor solution offers significant technical advantages that make it ideal for this sector. Key advantages include:

1)    High load capacity supporting robot total weight up to 200kg.

2)    Exceptional low-speed performance with stable operation down to 1rpm.

3)    Splash-proof design enabling operation in wet environments.

4)    Superior noise reduction compared to traditional brushed/brushless motor + gearbox solutions.

5)    Energy-efficient with high current-to-torque efficiency typical of outer rotor servo systems.

6)    Compact size and simple structure for easy installation.

7)    Strong acceleration/deceleration capabilities with 200% peak overload capacity for rapid braking.

8)    Integrated temperature monitoring in motor and drive for real-time thermal management enhancing system reliability.

9)    Standard CANopen protocol with robust data packet handling mechanisms ensuring zero packet loss. Built-in termination resistors with DIP switch selection.

10) Differential steering algorithm enabling holistic control through linear/angular velocity inputs after mechanical modeling.

11) Remote firmware upgrade capability via CAN bus for convenient maintenance.

4.    Customer Value

       Leveraging these technical advantages, cleaning robot manufacturers can rapidly develop chassis systems and commercialize products. Our solution delivers cost benefits while providing exceptional value across the product lifecycle including design, validation, mass production, and after-sales service.

a.     Travel Wheel System Cost Comparison:

-          Traditional solution: Mechanical wheel + gearbox + motor + drive unit;

-          Servo hub motor solution: Servo hub motor + servo drive;

Our solution reduces travel wheel components from four to two elements (excluding mechanical connectors), significantly optimizing chassis costs. Compared to traditional solutions, the servo hub motor system offers additional benefits including superior low-speed performance, noise reduction, and shorter braking distances, delivering exceptional cost-effectiveness.

b.     Product Design Phase: Chassis design with servo hub motors is simplified - requiring only basic bracket structures. Eliminating gearboxes and utilizing compact motors enable development of space-efficient robots. The small drive form factor maximizes internal robot space utilization. Communication with host controllers requires only standard cables, while integrated termination resistors simplify network deployment.

c.     Validation Phase: Industry-optimized default parameters allow rapid system configuration. Customers need only adjust a few parameters based on specific application requirements to complete robot chassis setup.

d.     Mass Production: Eliminating mechanical wheels and gearboxes simplifies manufacturing processes. Production requires only a single nut to secure motor shafts to brackets. Dual-motor drives reduce installation steps and wiring compared to single-motor drives, enhancing production efficiency while lowering assembly risks and improving product reliability.

e.     After-sales Service: Host controllers can monitor motor status (speed, encoder signals, load rate, internal temperature) in real-time via CANopen/RS485 communication, enabling remote diagnostics and significantly improving maintenance efficiency.

      The unmanned cleaning robot industry is in its early growth stage with strong development momentum. While traditional cleaning equipment sales in China alone reach tens of thousands of units annually, rising labor costs and increasing demand for improved quality of life will drive unmanned cleaning robots to become mainstream. The servo hub motor system delivers lifecycle value with exceptional cost-performance ratios, accelerating the development of the cleaning robot industry!