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Tsinghua University Press

The proposed disturbance rejection optimal guidance method integrates two essential components: real-time nominal trajectory generation and robust neighboring optimal feedback control. These components enable two synergistic functions: adaptive optimal steering and disturbance attenuation. Adaptive optimal steering addresses modeled disturbances using an augmented dynamics model, while disturbance attenuation mitigates the effects of unmodeled disturbances on system state.

New Guidance System Makes Reusable Rockets Land with Greater Precision

Categories Technology

Figure 1: Changes in U.S. tariff increases and China’s retaliatory tariffs

Trade War Backfires: US More Dependent on Chinese Goods Despite Higher Tariffs

Categories Social Sciences

The schematic illustrates the structural benefits of three bithiophene-based hole transport materials (TP-H, TP-OMe, and TP-F) designed for perovskite solar cells (PSCs). These materials feature large steric hindrance, non-covalent interactions, and passivation effects, which simplify synthesis and reduce costs. The performance comparison graph reveals that the TP-F-based PSC achieves a power conversion efficiency (PCE) of 24.01%, surpassing TP-H and TP-OMe. The device configuration diagram shows the layer structure, including the hole transport material (HTM), which contributes to the high efficiency.

Solar Cells Breakthrough: New Materials Boost Efficiency and Cut Costs

Categories Earth, Energy & Environment, Technology

The five key elements that bring Yinshan Zhengyao together to explore the effects food can have on all facets of life

Ancient Chinese Text Revives ‘Food as Medicine’ Concept for Modern Health Challenges

Categories Health

factory worker in China

China’s Economy Shifts Focus: Researchers Examine Greenhouse Gas Emissions and Value Chains Between Provinces

Categories Earth, Energy & Environment, Social Sciences

Based on the technical mechanisms of bonding and cohesion between particles, regolith solidification and formation technologies can be categorized into four groups: reaction solidification (RS), sintering/melting (SM), bonding solidification (BS), and confinement formation (CF) methods.

Revolutionizing Lunar Construction: Innovations in Regolith Solidification Techniques Unveiled

Categories Space, Technology

Each characteristic displayed in an integral part in ensuring the function of the SCC can be used to improve upon traditional carbon materials used in energy storage and conversion devices.

Customizable carbon and its potential impact on green energy

Categories Earth, Energy & Environment, Technology

sci-fi illustration of half-woman half-machine

Machine sentience and you: what happens when machine learning goes too far

Categories Brain & Behavior, Social Sciences, Technology

This diagram shows what these D-TENG panels might look like. It also illustrates how the bridge structure, when combined with the lower electrodes, can lead to improved energy storage.

Collecting energy from raindrops using solar panel technology

Categories Earth, Energy & Environment, Technology

Scientists from Tsinghua University develop an integrated radiative and evaporation cooling technology by using an evaporative hydrogel and permeable radiative cooling layer to achieve cooling.

How evaporation and radiation can cool the world

Categories Earth, Energy & Environment, Physics & Mathematics

New platform uses sunlight to efficiently purify oil-contaminated water

Categories Earth, Energy & Environment, Technology

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