The Choice of Global Top Humanoid Robots: NGI Source & Load Testing

From Silicon Valley to Shenzhen, from R&D labs to production floors—the humanoid robotics sector is rapidly heating up and becoming a focal point of global technological competition. With the rapid rise of “embodied intelligence” and strong policy support such as the Guiding Opinions on the Innovative Development of Humanoid Robots issued by China’s Ministry of Industry and Information Technology (MIIT), the industry is accelerating its transition from “lab demonstrations” to “mass production.”

According to the International Federation of Robotics (IFR), the global humanoid robot market is projected to reach the scale of hundreds of billions of USD by 2030. In this wave of industrial transformation, high power bursts, long endurance, and high safety have become core priorities. Key components—including battery packs (the “power heart”), DC-DC converters (the “energy vessels”), joint motors, and sensors (the “perceptual nerves”)—are all facing extremely demanding testing challenges.

In the following, we present real-world deployment cases of NGI’s high-performance source and load solutions in global top-tier humanoid robotics companies.

Case 1: Extreme Challenges in Joint Modules and Power Systems

Customer Background

Customer Z is a globally leading general-purpose AI robotics company, centered on embodied intelligence. It has built a full-stack technology and product system around three pillars: robot hardware, intelligent algorithms, and an open platform. With a tightly integrated hardware-software architecture, the company continuously enhances robots’ capabilities in environmental perception, task understanding, and physical execution.

Initial Requirements

High-Dynamic Battery Pack Simulation

During walking, jumping, or complex motions, joint motors generate instantaneous current spikes that can exceed 200A. Conventional power supplies cannot simulate millisecond-level dynamics, making it difficult to validate battery protection mechanisms and stability under extreme conditions.

DC-DC Converter Efficiency and Stability Verification

DC-DC converters step down high voltage from the battery pack to low voltage required by control boards and sensors. The customer needed to verify conversion efficiency, ripple noise, and dynamic response under varying input voltages and transient load conditions, ensuring stable operation across modules during power fluctuations.

High-Precision Sensor Testing

To ensure perception accuracy and operational safety, core sensors (e.g., force and tactile sensors) require rigorous validation. The customer required test equipment with high-precision measurement capability, capable of synchronized signal output and capturing microamp-level responses, to accurately evaluate linearity, sensitivity, and dynamic response.

NGI Testing Solution

After multiple technical discussions and prototype validations, NGI provided a coordinated testing solution consisting of the N36200 Series wide-range programmable DC power supply and the N69200 Series high-performance high-power DC electronic load, precisely covering testing requirements for battery packs, DC-DC converters, and sensors.

Case 2: High-Efficiency Motor Simulation Testing

Customer Background

Customer P is a leading domestic legged robotics company, focused on high-performance bionic robots for household and commercial applications. With humanoid motion control as its core technical barrier, it has launched its first bipedal humanoid robot, representing top-tier embodied intelligence development in China.

Customer Requirements

Bidirectional Energy Flow (Two-Quadrant Operation)

During downhill movement, deceleration, or emergency braking, motors operate in a power generation (braking) state, producing reverse current. Traditional unidirectional power supplies cannot absorb this energy, posing a risk of equipment damage.

Battery Simulation

Motor testing requires either real batteries or high-precision battery simulators. In practice, real batteries face issues such as capacity degradation and safety risks. The customer required test equipment capable of simulating battery characteristics under different SOC (State of Charge) conditions and absorbing regenerative current.

NGI Testing Solution

Through in-depth technical discussions, product trials, and reliability validation, NGI provided the N35100 Series programmable bidirectional DC power supply (1U compact form factor, up to 7.5kW per unit), fully addressing the following core testing scenarios:

In addition, NGI offers high-precision battery simulators, DC electronic loads, and NXI modular instruments, providing comprehensive coverage for battery, drive, and sensing hardware testing in humanoid robotics—accelerating both R&D and mass production validation.