Wheel-based robots are evolving from a “supplementary role in automation” into key infrastructure within industrial automation systems. Their impact goes far beyond simply replacing manual material handling; instead, they are driving profound changes in production organization, system architecture and manufacturing paradigms. By breaking the spatial constraints of traditional production lines, wheel-based robots are reshaping factory logistics and exerting a far-reaching influence on automation system design. At the same time, advancements in robot steering wheel motors have made an important contribution to the overall development of wheel-based robots.
Overall development direction of wheel-based robots
At present, the industry has formed two main technical routes: wheel-based robots and bipedal robots.The wheel-based route emphasizes practicality and efficiency, focusing on rapid commercialization in structured environments.The bipedal route targets long-term goals, exploring ultimate technologies such as adaptation to complex terrains and humanoid interaction.
It is evident that the development path of wheel-based robots has become increasingly clear, and their commercialization process is accelerating.
Humanoid robots are no longer designed merely to demonstrate entertainment-oriented capabilities such as running or jumping. Instead, they must achieve long-term operational stability, which means that the reliability of drive and actuation systems must take priority over extreme performance. This shift clearly marks a transition from research-oriented logic to engineering-oriented logic.
Technological development and innovation of wheel-based chassis
Functional integration and standardization: Leading companies are promoting modular designs for wheel-based chassis. For example, Weimar has introduced the H6 series omnidirectional chassis, which integrates driving, steering and sensing functions into standardized modules. Featuring fully compatible hardware and software interfaces, and supporting mainstream communication protocols and control interfaces, the chassis enables true plug-and-play functionality. This significantly shortens development and debugging cycles for system integrators and developers.
Continuous upgrades in motion performance: By leveraging omnidirectional wheel systems and advanced control algorithms, wheel-based chassis can now perform lateral movement, zero-radius turning and S-shaped shuttling, breaking away from the motion limitations of traditional mobile platforms.
In addition, the integration of technologies such as 360° full-view 3D vision sensors enables real-time environmental perception and proactive obstacle avoidance. Weimar’s chassis achieves a positioning accuracy of ±10 mm, providing strong assurance for operational safety.
Leapfrog improvements in maneuverability: This steering wheel solution breaks through the traditional ±135° steering limitation. When applied to humanoid robot wheel-based chassis, it enables zero-radius on-the-spot rotation, lateral movement, diagonal movement and virtually any trajectory within a two-dimensional plane.
As a result, robots can move flexibly through dense shelving in e-commerce smart sorting warehouses or narrow workstations in 3C and semiconductor factories without frequent posture adjustments, greatly improving space utilization. For example, a four-steering-wheel AGV-style humanoid robot chassis equipped with this solution achieves over 50% improvement in turning efficiency in narrow workshop aisles compared with conventional wheel-based chassis.
Stability and durability for long-term operation: The innovative zero-wear cable routing design fundamentally eliminates cable entanglement and abrasion caused by frequent steering in traditional steering wheels, extending the service life of core chassis components by more than ten times.
When combined with high-flexibility cables offering over 10 million drag-chain bending cycles and 360° shielding design, signal transmission remains stable with no data loss. This enables humanoid robots to operate continuously for long periods in scenarios such as pharmaceutical automated warehouses, meeting the core requirement of low failure rates for wheel-based humanoid robots.
Expanding application scenarios and new requirements for steering wheel motors
Wheel-based robots are demonstrating high efficiency and flexibility across a growing range of applications, including industrial production, cold-chain warehousing and commercial service scenarios. This evolution places new demands on steering wheel motors.
Capabilities such as 360° omnidirectional steering, water-resistant operation and slope climbing are now becoming standard expectations. Steering wheel motors controlled by high-precision harmonic rotary actuators have already been deployed in real-world applications, further advancing the performance and reliability of wheel-based robotic systems.
