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发表于 2009-1-14 11:47:40
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[B]部分基础专业课[/B]
理论力学 Theoretical Mechanics
Introduction: introduce basic conceptions, laws, theories about static and dynamic mechanic, and kinematics
1. Fundamental Conceptions and Principles of Static Mechanic
a. Static Mechanic: it is the Science studying and exploring the universe Laws, Conforming to which, the Object, which is acted on by a set of forces, reaches to the state of Equilibrium.
b. The practical application of Equilibrium of forces
When designing components for a building, or engineering Structures, or machinery Parts, which moving at a constant velocity, the first step is to analyze the forces that acting on them, then according the requirements to reach Equilibrium, work out the Force that is unknown.
c. Rigid Body: it is the body that when acted on by forces, the distance between any two its points remain the same.
2. The basic principle of dynamic.
It is a science that studies and explores the interrelationships between object’s machinery move and its Mass, and the force acting on it.
3. Momentum Axiom 动量定理
4. The Axiom of Momentum moment 动量矩定理
Momentum moment= r*m*v moment of inertia J=1/3M*L*L J= 2/5M*R*R
5. The Axiom of Kinetic energy
The Kinetic energy of Rigid body= 1/2M*v*v
材料力学 Mechanics of Materials
Introduction: classify the external forces applying on the material and explain their basic conception (Stress, shear force, torsion force, bend internal force, bending stress.) furthermore, clarify the definition of displacement位移, deformation and linear stress deformation, tangential stress deformation and so on. Then introduce four basic deformations (axial compressing, drawing, bend and torsion and their combination) and their strength condition.
机械制造技术基础Fundamentals of Machinery Manufacture
1. Introduction: a branch of Mechanical engineering, science of studying the manufacture process and method of various machines.
Main content: 1) master the basic theories of metal removal, acquire the capability to choose which type, material, geometry parameter of cutter tools, decide how much amount of removal is best, and which removal coolant切削液 2) acquire the acknowledge of the usages and process range 工艺范围of various machine tool机床, grasp the competence of analysis, and adjust the transmission train of general machine tool 3) have the command of basic theories about manufacture process, and the ability to work out the steps and regulation of manufacture process and assemble process工艺规程, know how to analysis and find out the reason of error 误差
机械设计基础Fundamentals of Mechanical Design
Introduction: Briefly introduce the basic knowledge about the design of a whole machine, while mainly discuss the basic design theories and methods of common parts with common dimension such as Key, spline, bolt, pin, rivet, helix transmission, belt, slipping bearing, roll bearing etc.
1. Introduction
a. Concrete content: 1) General introduction—the basic principles, calculating theories, choose of materials, structural requirements, and basic knowledge about friction, wearing, and lubrication during the design of machine or parts.2) The coupling—the coupling of screw screw thread, keyway, spline花键, pin, rivet, and welding, transition fit, interference fit, clearance fit过盈配合.3) Transmission—screw thread, belt, train, gear, worm蜗杆and friction transmission 4) shaft—sliding bearing, roll bearing, Coupling联轴器,brake and shaft. 5) others—Spring, body base机座 and body, deceleration and transmission.
2. General introduction of design
a. Design principle 1) Strength principle: the stress that parts is acted on should not excess what it is permitted.2) Rigidity principle 3) working life principle 4) stability principle 5) Reliability principle.
b. The most common used material—1) metal material 2) polyester 3) ceramic material 4) synthesis material
c. Principles for choose of material: 1) the magnitude of loading, Stress and their properties 2) the working condition 3) the measure size and quality of parts 4) the complication of parts’ structure and manufacturability.
机械工程测量与试验技术 Engineering measurement and test
Introduction: introduce the measurement of physical, geometrical value, and the test of property and quality of various material or equipment in the field of mechanical engineering. And the working principles and basic properties of various measurement device. Such as common sensor, monitor device and so on.
Example: inductance sensor: working principle—based on the theory of electromagnetic induction, transform the variation of object signal into the one of inductance flux. Sensitive degree of the sensor S= -N(*2)uoAo/2δ(*2) N—Number of circle uo—magnetic conductor rateδ—air gab
电工学 Electronic technique
Introduction: 1) explain basic theories, laws, conception and basic analyzing method of electrical circuits. Such as the current and voltage law of Kirchhoff, law of Thevenin, law of Norton, buildup law叠加定理 and so on. Example: the sine current circuit of series connection of Resistance, inductance and capacity. XL=ωL, Xc=1/ωC │Z│=[R(*2)+(XL-Xc)(*2)](*1/2), I=U/Z ψ=arctan(XL-Xc)/R Ur=RI…
2) introduce transistor such as diode and triode, and the circuit made with them, such as basic zooming circuits, integrated operation zoomer 集成运算发大器, and their principle and properties. Example: DC voltage stabilizing power: Sine power—voltage transform—current adjust—wave filtering—voltage stabilization—load.
单片机原理及应用Fundamentals and application of Mono-chip computer
Introduction: Systematically explain the working principle of MCS-51 mono-chip computer, its instruction system, the design of assembly language program, the expansion of system, interruption, and connecting ports.
1. Fundamentals:
a. The application of Mono-chip: highly integrated, simple structure, high reliability, strong functions to control, cheap, flexible usage.
b. Storage capacity=2(*n)*m Operation运算 1) add 2) subtraction 3) multiply 0*0=0
0*1=1*0=0 1*1=1
c. Logical operation 1) And 0∧0=0 0∧1=1∧0=0 1∧1=1 2)Or 0∨0=0
0∨1=1∨0=1 1∨1=1
2. Structure and working principles
a. Makeup: CPU, timer circuit, Read Only Memory, Random Access Memory, Timer and Counter, Shunt connect Input/output, 串行口, interrupt control system.
b. Internal structure and functions: operator运算器 (Arithmetic logic unit 算术逻辑单元, Accumulator 累加器, register 寄存器, Program Status Word), controller控制器(Program Counter, DPTR)
c. Structure of Memories: |
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