The earth observation satellite scheduling problem (EOSSP) becomes significantly complex when considering the real-world dynamic onboard resource environment, making it difficult to develop efficient methods with varying-scale generalization for autonomous scheduling. To address this issue, paper proposes a deep reinforcement learning-based approach EOSSP consumptions and supplements (EOSSP-RCS). proposed model, TRM-TE, utilizes Transformer-based (TRM) encoder-decoder architecture Temporal...

This paper addresses the fuzzy-logic-based fixed-time geometric backstepping attitude tracking for rigid-body spacecraft modeled on nonlinear differential manifold three-dimensional special orthogonal group [SO(3)]. The controller is deduced by method. Moreover, an adaptive fuzzy logic system employed to compensate unknown disturbances. almost globally stabilization of closed-loop verified via Lyapunov analysis. Simulation results demonstrate effectiveness proposed controller.

Terminal guidance law for missiles intercepting high maneuvering targets considering the limited available acceleration and autopilot dynamics of interceptor is investigated. Conventional laws based on adaptive sliding mode control theory were designed to intercept a target. However, they demand large at end terminal guidance, which may have saturation especially when target close interceptor. In this paper, proposed. Then, fuzzy system utilized approximate replace variable structure term,...

The electronic control system is the core technology of hydraulic excavator and vital for improving corporate competitiveness. An with CAN bus was put forward based on requirement middle type system. input output conditioned circuit emergency designed. Suitable controller monitor chosen, were designed in CodeSys configuration software separately. PID method employed to adjust pump's absorption torque rotate speed. Experiment without carried out. result indicated that engine more stable under...

In this paper, Newton's law and Euler equation is employed to derive dynamic formulation of a SPE workstation driven by PMSM. The formulations can be expressed some independent variables. order verify correct, we reduce the flexible model rigid one under assumptions, adopt genetic algorithm (GA) identify all parameters mechanism PMSM simultaneously. It turned out that GA which are difficult measure in practical, such as inductance, stator resistance, motor torque constant, damping...

In order to improve the efficiency of quality tests and optimize process control, this paper deeply investigates main aspects for shop floor application.The hierarchical model is firstly set up in paper.After layout hardware network analyzed, integration software application introduced.Advanced technology guide post all time, some advanced applied discussed paper, including apparatus instrument technology, data acquisition communication link computer programming technology.

This study introduces a cutting-edge approach to regulating DC motors, featuring unique combination of Artificial Neural Networks (ANN) and Long Short-Term Memory (LSTM) networks. innovative system capitalizes on the adaptive learning capabilities ANNs dynamically fine-tune control parameters motors. adaptability ensures optimal motor performance across diverse operational conditions, addressing challenges posed by fluctuating loads varying speed requirements. The integration LSTM networks...

This paper addresses the rigid body attitude tracking control on manifold SO(3) . modeling scheme can avoid singularity and ambiguity associated with local parameterization representations such as Euler angles quaternion. A robust almost global asymptotic stability system is designed considering parameters uncertainty external interference. Based coordinate-free geodesic error scalar function its deduced velocity vectors, a geometric convergent sliding-mode surface firstly. Then, controller...

In order to avoid conservative results, when calculating the ability of power system accommodate renewable energy, social data need be integrated. Data cleaning is an important step in integration. Traditional methods rely only on and ignore implicit rules. This paper first analyzes requirements for energy accommodation, then proposes a technology. technology digs out associations between data, converts them into fuzzy rules form Probabilistic soft logic (PSL), builds neural network based...

In this paper, a hp pseudospectral sequential convex programming (hp-PSCP) method is proposed to solve the entry trajectory optimization problem. The flipped Radau (FRPM) utilized discretize nonlinear dynamics. By successive linearization technology and introducing new variables, problem converted into series of problems solved by primal-dual interior-point method. Numerical results show that provides good compromise between computational accuracy speed compared existing methods.

This paper addresses the modeling and controllability analysis for hybrid multi-body systems of a quadrotor with cable suspended load. According to is stressed or not, two subsystems this model are built on nonlinear manifolds ℝ <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sup> × SO(3) S xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> SO(3), respectively, which have simpler more global expressions compared those local parameter...