工程 工作与竞赛

Engineering is the scientific discipline of acquiring and applying technical and mathematical knowledge to design and implement machines, systems, materials and processes. There are various branches of engineering such as civil, mechanical, electronics, materials, chemicals, etc. If your business needs help with engineering tasks such as drafting, documentation, research work, or other, then our talented and experienced engineering freelancer will give you the best service ever. Connect with talented engineering freelancers simply by posting your engineering project today!

If you have the experience and the ability to do engineering projects, then Freelancer.com offers you a lot of engineering projects with clients who want help with reverse engineering, electric engineering, civil engineering, mechanical engineering, writing civil engineering articles, essays, research papers, engineering project reports, and more.

If you believe you can do that, then start bidding on engineering projects and get paid with an average of $200 per project!

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项目/竞赛 描述 竞标数/参赛作品数 技能 已开始 结束 价格(CNY)
Mechanical engineering job I'm looking for a mechanical engineer who has a good understanding from mechanical mechanism and tasks and solve the problem. It is very simple for an expert. The budget is max. $50 The description is attached Please don't waste my time, I'm in a rush and read the description exactly then return to me with a technical word Thanks 7 工程, 机械工程, 材料工程, 化学工程, 物理 Jun 21, 2018 今天6天 22时 ¥325
PE calculations to tabulate capabilities of a trench shoring device We are an excavation contractor that does specialty excavations in tight spaces. We have designed and built a trench box shoring system to perform our work. However, to be in compliance with American OSHA (occupation safety) regulations, a shoring device must have tabulated data stamped by a professional engineer that describes the limitations of the shoring device. Drawings of the design can be... 3 工程, 土木工程, 结构工程 Jun 21, 2018 今天6天 22时 ¥7188
FSW simulation I want to develop a Finite element model of friction stir welding using Ansys. 5 工程, 矩阵及数学软件, Solidworks, 机械工程, 有限元分析 Jun 21, 2018 今天6天 20时 ¥766
Finance - Data Science Project The project aims to code and back-test various algorithmic trading strategies. The input to the strategies will be raw price action data, which will be organized into range profile units etc. and corresponding trade initiation and exit rules will be defined. These strategies may be broadly classified as mean reversion, trend following and breakout. Good Knowledge of price data organization and pri... 5 Python, 工程, 软件构架, 数学, 统计分析 Jun 21, 2018 今天6天 17时 ¥195
to design a water powered lawn mower. 1: the lawn mower is to be powered by a single garden hose fixed to a standard garden tap. 2: The lawn mower shall derive its motive power to move, and blade cutting power from the water pressure of the attached water supply. A standard garden hose 3: the lawn mower shall be set to operate in a defined path with a mechanical controller with means to change the direction or path of the mower when i... 24 工程, 机械工程, 产品设计, 3D建模, 计算机图形辅助三维交互式应用 Jun 21, 2018 今天6天 17时 ¥1376
Good with Math? Is it possible to use maths or probability to guarantee a win or no loss every time on online betting? 25 工程, 矩阵及数学软件, 算法, 统计学, 数学 Jun 21, 2018 今天6天 14时 ¥869
write Methodology & Working Plan for performing Consultant supervision Services 1-include a narrative describing his understanding the scope of Services and demonstration of the Tenderer’s recognition of the Project Components, Employer’s Requirements, Project Challenges and Project Risks. 2-include and provide his approach and methodology of Construction Contract Management. 3-include Approach and methodology of Construction Supervision Management. project docu... 18 项目管理, 工程, 报告写作, 管理, 土木工程 Jun 21, 2018 今天6天 14时 ¥851
physics expert more details will given in the chat, i want only serious bidder only 25 工程, 机械工程, 化学工程, 数学, 物理 Jun 21, 2018 今天6天 12时 ¥112
solar structural design and analysis Pumping solution - 3 HP – 01x10p, 5 HP – 02x8p, with manually Season tilting (15+15=30 Degree from Axis) & Ready-ness for Auto day tilting (60+60=120 Degree from Axis) solar panel - spec of 300watts, with weight of 25kg per panel Wind Passing 180 Km/Hr weight of structural within 160kg 17 工程, 机械工程, 土木工程, 结构工程, AutoCAD Jun 21, 2018 今天6天 11时 ¥1209
solar panel calculation for irrigation i have written a report on using solar power for irrigation, i need some help on the technical part of this project. to help to calculate the amount of power require for this system to work and how many solar panel is required. preferably someone with engineering background and able to write a proper report 41 工程, 技术写作, 报告写作, 机械工程, 电機工程 Jun 21, 2018 今天6天 10时 ¥818
I would like to hire a Civil Engineer/Architect looking for a civic engineer/architect thats licensed in the state of illinois to draw up a blueprint for a site project! i own a 2 acre land in champaign,IL. im trying to build a office on and use as car dealership! with city requirements and regulations in consideration. 8 工程, 土木工程, 结构工程 Jun 21, 2018 今天6天 9时 ¥2526
pump selection or resolving a flow issue in my piping system Im battling to get a good flow rate from our pump. need assistance in trouble shooting the issue 12 工程, 机械工程, 电機工程, 土木工程, Research Writing Jun 21, 2018 今天6天 9时 ¥117
Need to find the results of article atttached I need to select matching area by applying the method as given in the attached article 12 工程, 矩阵及数学软件 Jun 21, 2018 今天6天 9时 ¥130
Process engineer required I am looking for a process engineer who experienced design of refinery and gas processing plants. The project contains feasibility studies and then distillation columns design, simulations, Heat and Mass balances, equipment sizing, PID. If you are an engineer, please contact. 16 工程, 化学工程 Jun 20, 2018 今天6天 8时 ¥123
Electrical Engineer(High Voltage 10-20Kv System) We Require engineer that knows about high voltage 10-20kv. need validation and schematic I ordered the parts to do a test circuit ASAP looks like the Opto can be driven with 5vdc pulse 7 工程, 电子, 电機工程, 印制板布局, 电路设计 Jun 20, 2018 今天6天 4时 ¥78
Looking someone who can help me. I am looking for someone who can assist our team. Our QA is no longer available by personal issue. So we want a QA for our team. You will need to know about up work. Please don't waste time, if you don't know up work platform. Looking forward hearing from you. Thanks. 39 工程, 测试/质量管理, 软件构架, 可用性测试, Writing Jun 20, 2018 今天6天 3时 ¥1091
Design CB for firing 12 volts through a Hall effect Transistors one for each pot. My project that I have been working on for about a year off and on when I have the time. Is a 4 pot magnetic motor driven by a 12 volts I will send pictures. Let know if you have questions. Thank you Donnie 10 平面设计, 工程, 电子, 机械工程, 电機工程 Jun 20, 2018 Jun 20, 20185天 23时 ¥227
expert in motor control needed Motor control expert needed preferably an electrical engineer 28 工程, 电子, 电機工程, 印制板布局, 电路设计 Jun 20, 2018 Jun 20, 20185天 19时 ¥2381
Need VFD Expert for 3 Phase I need an electronic expert for coding and designing for 3 phase VFD for Induction motor. more details in chat please only bid if you have experience in this field. thanks 9 工程, 电子, 微控制器, 电機工程, 电路设计 Jun 20, 2018 Jun 20, 20185天 18时 ¥121
Matlab simulink and code file I want to have design attached schematics in simulink model and generate matlab code for my project. Only people having good hands on practice and can do in low price bid. Work should not take more than 2-3 hrs. In case needed few more showing some progress. 17 工程, 电子, 矩阵及数学软件, 电機工程 Jun 20, 2018 Jun 20, 20185天 18时 ¥188
Measure a human body on a distance Need to measure circumference of a neck, chest, shoulders, hips, legs and biseps on a distance about 1 m. it is supposed to be that a person will be stand still and straight 24 Python, 工程, 安卓, Arduino, 树莓派 Jun 20, 2018 Jun 20, 20185天 17时 ¥2967
MATLAB SIMULATION 5G I need one or more simulation in matlab about 5G 7 工程, 矩阵及数学软件, 算法, 电機工程, 数学 Jun 20, 2018 Jun 20, 20185天 17时 ¥162
5g Matlab Simulation I need simulations in matlab for the new wireless generation 5G. Massive MIMO Hybrid Beamforming. MIMO-OFDM Precoding with Phased Arrays. Useful Links: [login to view URL] [login to view URL] 10 工程, 矩阵及数学软件, 算法, 电機工程, 数学 Jun 20, 2018 Jun 20, 20185天 16时 ¥130
Hydraulic actuator design Calculations and diagrams involving a hydraulic actuator Contact me for more detail. 23 工程, 机械工程, 材料工程, 航空工程, 航天工程 Jun 20, 2018 Jun 20, 20185天 16时 ¥1092
Looking for a thermal engineer Hello, We have an isolation issue on a heater. Our problem is simple. The same part (made of clay or silicone) needs in case of clay more power to reach same temperature. Everything remaining the same, when using silicone, power is lower for a given temperature. I will provide further details (temperature curve, material, power, even 3D). Project will depend on discussions and could lead to t... 16 工程, 机械工程, 供热系统 Jun 20, 2018 Jun 20, 20185天 14时 ¥149
Design an electromechanical camera shutter for the PONF project The PONF Project ([login to view URL]) want to create a modular camera that bring together in a seamless, easy workflow photography and IoT. Ours is a (partially) Open Source project, and we hope to involve engineers or teams that may want to help us making the whole camera, continuing to cooperate with the PONF project after the completion of this small task. We are looking for an engineer that ... 8 工程, 电子, 机械工程, 编程, 树莓派 Jun 20, 2018 Jun 20, 20185天 12时 ¥3959
sensor module for find id of the product IS that i attach that every single sensor to my products when i put inside of the box it auto detect the id and give me in my point os sale page 6 PHP, Java, Javascript, Python, 工程 Jun 20, 2018 Jun 20, 20185天 11时 ¥486
Calibrate 7 energy meters by wiring up at a high consumption cable CALIBRATE 7 ENERGY METERS We have 7 pcs of energy meters, type EH10-DIN Carlo Gavazzi . The 7 energy meters need to be calibrated. Not via electronic programming, but by wiring up at a high consumption cable. The readings need to be higher then they are now. The maximum which needs to be added is +- 20 000 kWh. The various 7 meters need different readings (which we will inform in detail)... 3 工程, 电子, 机械工程, 电機工程, 电路设计 Jun 19, 2018 Jun 19, 20185天 7时 ¥120
SSARP (Sutopia's Sustainable Animal Rescue Project) Animal rescue APP design mock up needed for project proposal 8 工程, 平面设计, 软件构架, 软件测试, 用户接口 / IA Jun 19, 2018 Jun 19, 20181天 6时 ¥1623
Distilling Equipment I want to design custom distilling equipment that can be a reflux and pot still. 12 工程, 化学工程, 工程制图 Jun 19, 2018 Jun 19, 20185天 5时 ¥13492
dds radio transmitter a fully configurable dds(digital direct synthesis) radio transmitter more than 2 watts detail with block diagram is given in the document 1 C 编程, 工程, 电子, 微控制器, 电機工程 Jun 19, 2018 Jun 19, 20185天 4时 ¥14299
Calibrate 7 energy meters by wiring up at a high consumption cable CALIBRATE 7 ENERGY METERS We have 7 pcs of energy meters, type EH10-DIN Carlo Gavazzi . The 7 energy meters need to be calibrated. Not via electronic programming, but by wiring up at a high consumption cable. The readings need to be higher then they are now. The maximum which needs to be added is +- 20 000 kWh. The various 7 meters need different readings (which we will inform in detail)... 3 工程, 电子, 机械工程, 电機工程, 电路设计 Jun 19, 2018 Jun 19, 20185天 2时 ¥1594
connecting and controlling devices in LABVIEW or Matlab Hello, I need someone who had experience before in connecting Keysight Osciloscope to labview or Matlab and can figure also how to control a motor there. What I'll be needing is just to get the motor to one place and make several steps according to the step size i make automatically while getting the data from the Oscilloscope on each step (Vpp) Please only write if you have experience with... 12 工程, 电子, 矩阵及数学软件, 电機工程, LabVIEW Jun 19, 2018 Jun 19, 20185天 ¥1390
docsis configuration file encoding for CM and EMTA Need a tool for encoding and decoding my DOCSIS configuration files to work with Hybrid provisioning for CM and EMTA. right now i'm using a DOCSIS tool but having issues with encoding with encryption. Need this resolve and working with MIBS if they need to be updated. Final tool should be called from my app to generate config file with SHARED-SECRET and voice and internet data. This will w... 3 工程, 软件开发, 编程, 编程 Jun 19, 2018 Jun 19, 20185天 ¥11843
Build me user interface in Matlab or Labview to collect data from oscilloscope and control a motor I need someone to write me a matlab GUI and Program to talk with Newport motor and Keysight Osciloscope. I need to be able to more the motor with step sizes I choose continuously or move to absolute value. Also, the direction of the moving is important to me. * should also think about the boundary conditions of the task (like the end of the motor move etc.) The main purpose is to read read the p... 7 工程, 矩阵及数学软件, 软件构架, 电機工程, LabVIEW Jun 19, 2018 Jun 19, 20184天 23时 ¥455
Maintenance Engeneer / Housekeeping Hospitality Business Maintenance, Front Desk and Housekeeping 2 工程 Jun 19, 2018 Jun 19, 20184天 22时 ¥130
Mold Strap 9,200lbs need PE stamp I have the material in house and will machine. I have a Mechanical Engineer locally drawing it up, I just need a Professional Engineer to review and stamp it. Strap will bolt (each side) to the mold, then a chain will hook on each side and come together in the middle and be lifted with a crane. Material is 4130 cold finished heat treated Total Mold Max load rating 9,200lbs (I will have 1 strap ... 2 工程 Jun 19, 2018 Jun 19, 20184天 22时 ¥1786
social media Looking for someone to set up a chat bot using ManyChat. Our funnel is in Infusionsoft right now and we want to move that to ManyChat. Let us know if you have experience with ManyChat and how long it will take you finish it. For reference, this is our website - drespen.com. There's an opt-in there, try to sign up to see the types of emails are in our funnel. Then send us a message how you wil... 2 PHP, 工程, 推特, Facebook营销, 社交媒体营销 Jun 19, 2018 Jun 19, 20184天 19时 ¥422
Simulink simulatiom I want only add a compressor, i have a Picture of the systems 10 工程, 电子, 矩阵及数学软件, Verilog / VHDL, 电機工程 Jun 19, 2018 Jun 19, 20184天 17时 ¥136
Jriley101, please initiate the discussion over this job Jriley101, please initiate the discussion over this job 2 PHP, 网站设计, 平面设计, 工程, 软件构架 Jun 19, 2018 Jun 19, 20184天 16时 ¥32
FOOD STORE REFRIGERATION CALCULATION AND DRAWINGS 40 工程, CAD/CAM, 机械工程, 结构工程, AutoCAD Jun 19, 2018 Jun 19, 20184天 11时 ¥3005
Aluminium-panel-system for firefighting and special vehicle superstructures The aluminium panel system needs to forms a load ring that is so strong, that no further inside reinforcements or aditional stiffening is needed in the equipment compartment. Solution need to save every centimeter of space and every gram of weight that can be optimally utilized. system should be without welded joints, no glue seam, no clamping profiles and no protruding screws. The complete sup... 1 CAD/CAM, 工程, 制造设计, 机械工程, 产品设计 Jun 19, 2018 Jun 19, 20187天 11时 ¥1623
Engineering Tests Preparation - EEE Branch We are looking for an engineering professional to prepare tests for our students in EEE branch. Engineering Stream: Electrical & Electronics Engineering Subject: Control Systems Responsibilities: 1. Need to Prepare tests for the Subject selected. 2. We will provide the Paid Website links and login credentials from where you should copy the tests. 3. You should copy the content and put it in ... 21 工程, 电機工程 Jun 19, 2018 Jun 19, 20184天 10时 ¥668
Partial differential equation with modelling script I want project in pde with boundary conditions and software script 30 工程, 矩阵及数学软件, 算法, 机械工程, 数学 Jun 18, 2018 Jun 18, 20184天 5时 ¥214
Digitising Cash, in Cash driven society Need a viable, sustainable, low cost solution to convert an ecosystem of people (10 million+ population) from using cash to transforming to digital wallets. Looking for the model/concept to convert hard cash into digital wallet. In principle cash (money) can not be destroyed and therefore not viable. Objective: Replace a traditional bank concept of accepting cash with a new concept thats low c... 1 工程, 岩土工程, 制造设计, 机械工程, 产品设计 Jun 18, 2018 Jun 18, 20187天 4时 ¥649
Controller using Battery Power for Induction motor Design a controller which will drive induction motor (100 kw) off Battery bank with frequency up to 300 hz. The required voltage is 400 V, 300 hz. You are free to design Battery / Cell arrangement to get required output and also the type of battery use e.g. li-on or polymer or something better... 8 工程, 电子, 机械工程, 电機工程, 电路设计 Jun 18, 2018 Jun 18, 20184天 ¥721
need an electrical engineer we have some small scale projects need electrical engineer for building permits application 21 工程, 电機工程 Jun 18, 2018 Jun 18, 20183天 22时 ¥3331
POS - Develop point of sale software for printing company POS - Develop point of sale software for printing company with orders, invoice, customers, products and sales report. 74 PHP, 网站设计, 工程, WordPress, HTML Jun 18, 2018 Jun 18, 20183天 22时 ¥5412
need an expert in motors electrical motors expert needed to work on some drivers 14 工程, 电子, 矩阵及数学软件, 电機工程, 电路设计 Jun 18, 2018 Jun 18, 20183天 21时 ¥115
THE STUDY OF LOW ENERGY OBJECT USING A THERMOGRAPHIC SYSTEM OF IMAGING AND PROCESSING DATA FROM THE IR CAMERA. i need to design the object in low level energy by using vigo camera [login to view URL] above images shows the task how 2 design 13 工程, 电子, 矩阵及数学软件, 机械工程, 电機工程 Jun 18, 2018 Jun 18, 20183天 19时 ¥3371
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