能源预测模型和可持续制造的研磨过程的分布式分析
Yebing Tian1, Jinling Wang1, Xintao Hu1
1School of Mechanical Engineering, Shandong University of Technology, Zibo 255049, China.
Micromachines
|August 26, 2023
概括
本研究介绍了一种用于研磨,分析能源分配和提高效率的综合能源模型. 该模型准确地预测了能源消耗,为优化研磨过程提供了洞察力.
科学领域:
- 制造业 工程 制造工程
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
背景情况:
- 研磨对于表面加工至关重要,但由于高特异能和低效率而受到影响.
- 目前还缺乏用于研磨的综合能源模型和分布分析.
研究的目的:
- 开发用于研磨工艺的综合能源模型.
- 分析能源分配,并确定影响效率的因素.
- 为优化研磨参数提供一个框架.
主要方法:
- 开发了一种包含循环运动的研磨时间历史模型.
- 在线圈旋转和料运动期间分析了稳定和短暂的功率特征.
- 建立了各种研磨阶段和轴的能源预测模型.
- 用高斯-牛顿梯度方法进行模型参数调查.
主要成果:
- 开发的能源预测模型以5%的错误率显示了可接受的准确性.
- 分析了不同组件和运动阶段的能量效率和分布.
- 确定了改善磨砂操作的能源效率的关键领域.
结论:
- 综合能源模型为了解和优化研磨能源消耗提供了有价值的工具.
- 建议包括低功率芯片设计,轻量化工作台和最小的滑剂使用.
- 该模型有助于优化现有制造设备中的研磨参数.
相关概念视频
Wind Turbine Machine Models
165
In the growing field of wind energy, incorporating wind turbine models into transient stability analysis is essential. Induction and synchronous machines are the primary models used, with induction machines being prevalent due to their simplicity and reliability.
Induction machines interact through the rotating magnetic field generated by the stator and the rotor. The key parameter is slip, which is the difference between synchronous speed and rotor speed relative to synchronous speed. Slip is...
Induction machines interact through the rotating magnetic field generated by the stator and the rotor. The key parameter is slip, which is the difference between synchronous speed and rotor speed relative to synchronous speed. Slip is...
165
Multimachine Stability
188
Multimachine stability analysis is crucial for understanding the dynamics and stability of power systems with multiple synchronous machines. The objective is to solve the swing equations for a network of M machines connected to an N-bus power system.
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
188
Simplified Synchronous Machine Model
269
The Synchronous Machine Model is a fundamental tool in analyzing and ensuring the transient stability of power systems. This model simplifies the representation of a synchronous machine under balanced three-phase positive-sequence conditions, assuming constant excitation and ignoring losses and saturation. The model is pivotal for understanding the behavior of synchronous generators connected to a power grid, particularly during transient events.
In this model, each generator is connected to a...
In this model, each generator is connected to a...
269
Mechanical Efficiency of Real Machines
754
The mechanical efficiency of a machine is a fundamental concept that describes how effectively a machine can convert input work into output work. According to this concept, the efficiency of a machine is equal to the ratio of the output work to the input work. An ideal machine, meaning a machine that has no energy losses, has an efficiency of one. This implies that the input work and the output work are equal.
However, in reality, no machine can be truly ideal, and all of them experience some...
However, in reality, no machine can be truly ideal, and all of them experience some...
754
The Swing Equation
477
The Swing Equation is a fundamental tool in power system dynamics, especially for analyzing the behavior of generating units like three-phase synchronous generators. This equation emerges from applying Newton's second law to the rotor of a generator, encompassing factors such as inertia, angular acceleration, and the interplay between mechanical and electrical torques.
In a steady-state operation, the mechanical torque (Τm) supplied to the generator is balanced by the electrical torque...
In a steady-state operation, the mechanical torque (Τm) supplied to the generator is balanced by the electrical torque...
477
Power in a Three-Phase Circuit
356
Three-phase systems have two configurations: the wye and delta. A star configuration can be three or four wires; in a delta configuration, the components are connected in a closed loop. Instantaneous power refers to the power value at a precise moment, and in a balanced three-phase system, it is constant. This is because the sum of the instantaneous powers in the three phases remains steady over time, despite individual fluctuations, due to the symmetry and phase relationship. The total...
356


