Simultaneous three-harmonics matched power amplifier with 84.1% drain efficiency at 915 MHz for microwave power transfer
Available online 12 September 2025
The efficiency of power amplifiers (PAs) is quite critical for microwave power transfer (MPT) systems. Among the developed PAs, Class-F PA is one of the competitive candidates due to its high efficiency....
Deviation analysis of space-to-earth microwave wireless power transmission
Available online 10 September 2025
During space-to-earth microwave wireless power transmission, all sources of power beam coverage deviation must be confined within specified limits to ensure that the ground station can reliably receive...
Advances in high-efficiency wireless power reception using electromagnetic metasurfaces
Available online 9 September 2025
Microwave wireless power transmission (MWPT) is a promising solution to future energy challenges, exhibiting strong potential in space-based solar power stations, unmanned aerial vehicle endurance extension,...
Design of intra-cabin laser wireless power transmission system for spacecraft
Available online 9 September 2025
Laser wireless power transmission (LWPT) technology is an innovative approach for long-distance energy transfer via laser beams, demonstrating significant application potential in space solar power...
An all-metal heatsink microstrip antenna for wireless power transmission
Available online 3 September 2025
An all-metal microstrip antenna with high gain, high efficiency, and heat-sinking capability is proposed for wireless power transmission (WPT). The antenna structure consists of a radiating patch and...
Investigation of the pyrolysis mechanism and structural evolution of polyimide under space environment based on molecular dynamics simulations
Available online 20 August 2025
Polyimide (PI) is widely used in aerospace applications due to its excellent electrical insulation and thermal stability. However, prolonged exposure to high-temperature vacuum conditions in space can...
One-dimensional linear distortion similitude research on concentrator unit for SSPS
June 2025
The scaled-model thickness cannot be reduced by the same scaling factor as the length in similitude analysis of the space solar power station (SSPS) large-scale concentrator unit, resulting one-dimensional...
Research on decoupling equalization control strategy based on complex coupled inductors
June 2025
In this paper, a decoupling equalization control strategy based on complex coupled inductors is proposed to address the control difficulties caused by compound coupled inductors in the interleaved-parallel...
Reconstruction of wear debris migration trajectory and analysis of motion characteristics in on-orbit spacecraft conductive slip rings
June 2025
The electrically charged wear debris generated inside the conductive slip ring of spacecraft not only exacerbates the wear of the ring channel but also causes distortion of the electric field, which...
Overview of high temperature superconducting power transmission system for space solar power station
June 2025
Superconducting technology is a potential solution for ultra-high power electrical transmission in limited size and weight, and has been feasibility demonstrated in multiple aerospace projects by NASA...
The high power electricity generation and WPT demonstration mission — Proposed first step to develop space solar power
June 2025
The solar power satellite (SPS), first proposed by Dr. Peter Glaser in 1968, is a huge spacecraft capturing solar energy in space and supplying electric power to the electric grid on the ground. With...
Analytical and experimental investigations of magnetic field distribution for wireless power transfer system with Ferrite core
June 2025
Inductive coupled wireless power transfer (WPT) system transfers energy through the magnetic field. The magnetics field distribution of WPT system has significantly influence on the transmission efficiency...
Coupling dynamic modeling and vibration control of quadruped-robot and large space structure during on-orbit assembly
March 2025
The coupling dynamics problem between the walking robot and large space structures during on-orbit assembly is investigated in this paper. The quadruped walking robot is first chosen as the assembly...
A review of solar concentration technology applications in deep space exploration: Environmental adaptability and performance comparison
March 2025
Deep space exploration missions and the construction of planetary research stations impose strict demands on energy self-sufficiency systems. Solar energy, due to its abundant availability and sustainability,...
Development and challenges of large space flexible solar arrays
March 2025
To meet the high power supply requirements of spacecraft, the research and development direction of ultra-large flexible solar array technology has been proposed based on increasing the power generation...
Structural design and performance analysis of large inflatable solar membrane reflector
March 2025
With the growing global energy demand and the pursuit of sustainable energy, solar energy has received widespread attention as a clean and renewable energy source. A structural design of an inflatable,...
Concentration error analysis of space-based thin-film reflectors
March 2025
Among numerous space solar power systems, the concentrator systems is more favored due to the size of the battery array and the emission cost. Space concentrators generally consider using low-quality...
A review of module adjustment for space on-orbit assembled antenna
March 2025
Space deployable antennas are extensively utilized in space-based communication, deep space exploration, and earth observation. As the demands for capacity and data transmission rates in human space-based...
Performance simulation and evaluation of integrated modular structure with Miura origami
March 2025
As a critical subsystem in space solar power stations (SSPSs), the integrated modular structure plays a pivotal role in energy collection and transmission. Consequently, the mechanical properties of...
Optimal design of antenna arrays for microwave power transmission with multiple receiving targets in the radiative near-field
December 2024
This study proposes a method for maximizing the beam collection efficiency (BCE) for a microwave power transmission system with multiple receiving targets in the radiative near-field region. The electric...
High efficient C-band circularly polarized rectenna array with low-profile and lightweight
December 2024
A high efficient C-band circularly polarized rectenna array with low-profile and lightweight for wireless power transmission of space solar power stations is proposed and designed in this paper. The...
Polarization design of microwave wireless transmission systems for moving targets
December 2024
Microwave wireless power transfer (WPT) technology enables the efficient, contactless transmission of energy through electromagnetic waves, with widespread applications in wireless charging, remote...
Recent development of RF-to-dc rectifying technologies for wireless power transfer
December 2024
In this paper, we aim to summarize the recent development of radio-frequency (RF)-to-dc rectifying circuits designed for microwave power transfer (MPT) systems. First, we review the history of the rectification...
Temperature rise in a realistic arm model illuminated by plane electromagnetic wave
December 2024
In the application of the wireless power transfer process for the space solar power station, the continuous exposure to the electromagnetic wave could lead to significant thermal effect on human health....
A rectenna with mixing functionality for simultaneous wireless information and power transfer (SWIPT)
December 2024
This paper presents a rectenna with mixing functionality, specifically designed for simultaneous wireless information and power transfer (SWIPT) systems. The antenna uses an electric dipole structure,...