Cummins Inc. Technical Specialist-Doser Control 标定技术专家 in Beijing, China
Technical Specialist-Doser Control 标定技术专家
Applies basic knowledge of engineering principles and practices to assigned tasks to develop and support activities in the area
of electrical and electronics engineering. This may include one or more of the following: Developing the electrical and electronics specifications, Developing the
electrical and electronics specifications, Designing electrical and electronic systems and components, Analyzing and simulating electrical and electronic capabilities, Implementing and generating software, Verifying and validating controls, hardware, or software, Tuning controls, Releasing
controls, hardware, or software, Troubleshooting controls, hardware, or software issues, Servicing and maintaining controls,
hardware, or software, Managing life-cycle obsolescence, Design and Analysis of Electric Generators/Alternators and motors, Electrical Circuit Design, Performance simulation of Electrical Power Systems. Electrical and Electronics includes all electrical and electronic elements within the system: Open
and closed loop controls Diagnostics and OBD Algorithms Electronic control modules and related microcontroller architectures
Electrical and Electronic devices Embedded software Sensors and switches Actuators, mechatronics, electric motors and alternators/generators, and relays Ignition
systems Battery systems Electrical and Electronic tools and information products Electrical and Electronic tool interfaces Interconnects and harnesses
Datalinks and communication networks Machine electronics interfaces. Typical roles include: Electrical and Electronics systems, Hardware,
Software, Controls and diagnostics design and Electronic controls application.
Uses prescribed and innovative methods, and works with limited guidance.
Participates as a team member and actively contributes towards team goals.
Carries out partially defined and moderately complex tasks.
Demonstrates good understanding and applies knowledge of an engineering discipline.
Applies engineering and/or scientific skills and continues to develop experience in creating engineering solutions.
The skills will include one or more of the following:
Analog Circuit Design - Analog circuit design at Cummins focuses on electronic hardware for control and/or power conversion
systems. A person with this skill designs/ analyzes: actuator driver, power supply, signal conditioning (digital), analog and
frequency type sensors, and system power bus/ grounding. Has performed analog circuit design on several boards of
moderate to high complexity and part count. Has knowledge and experience with analog tools and process. Routinely resolves
circuit functional and performance issues with analysis, simulation, and testing.
Digital Circuit Design - Digital circuit design is the skill set necessary to understand, specify, analyze, and design digital
electronic circuits or devices. Skills include: knowledge of bi-state digital components, ability to memory map devices to a
microprocessor, ability to perform timing analysis, ability to design digital circuit boards of moderate complexity which involve
analysis and schematic capture. A Hardware Engineer will have detailed knowledge and experience with the tools and
processes of this field and could resolve circuit functional and performance issues with analysis, simulation, and testing.
Harness & Interconnect Design - Harness and interconnect design involves specification and selection of : connectors, wire
gauge, length, routing, tie-down, and protection mechanisms. A harness designer will know principles, techniques, procedures,
fail modes/symptoms and can repair, service, or select connectors with appropriate sub-components. Can perform harness /
interconnect design effectively with minimum supervision, knows different connector systems used on Cummins' engines and
can recommend the proper connector systems or cable type for specific applications. Familiar with the documents governing
harness design or connector service.
Electronic Component Specifications - The purpose of this skill is to provide high quality specifications for electronic
components (e.g., electronic control modules, actuators, and sensors) that ensure our suppliers design and manufacture
electronic components that delight our customers for reliability and cost. Also, ensure our customers' issues and concerns are
addressed before the component is designed. Related skills include electromagnetic compatibility (EMC), mechanical
environmental requirements, analog circuit design, and digital circuit design. Routinely defines and generates specifications for
Mechanical Design & Performance Requirements - This skill set describes the ability to understand, specify, and validate
requirements for the design of electronic components. Knowledge expected: An understanding of how electronic designs
respond to mechanical environment conditions and methods required to validate designs for a specific environment.
Understands the underlying principles, techniques, and procedures for mechanical design of electronic hardware. Able to
converse fluently with suppliers on subject matter.
Electromagnetic Analysis – The ability to calculate and analyze electromagnetic fields is a fundamental requirement of this role. This requires an understanding of the principles governing the interaction of electrical and magnetic fields, generally determined by Maxwell's equations.An electromagnetic designer will be capable of designing and analyzing electromagnetically any topology of electrical machines. This will include the magnetic and electrical circuits of the stator and rotor, as well as the loss mechanisms associated with each of this circuits.The electromagnetic designer will be able to put this knowledge to practical use when analyzing, fault finding or improving existing electrical machines. The electromagnetic designer will have an understanding of the limitations and practicalities of interfacing the electromagnetic and mechanical components of an electrical machine. The tools required for this role are:-- Manual and Parametric Lumped Parameter Networks-- Two-Dimensional Finite Element Analysis-- Three-Dimensional Finite Elements Analysis
Rotating Electrical Machines – An understanding of the general theory of operation of rotating electrical machines. Also, an understanding of the practicalities of operation of a rotating electrical machine. Synchronous machines with wound field, salient and cylindrical rotors, induction machines - understanding of operation and function of induction machines, Permanent magnet machine- understanding of electrical machines with Permanent magnets as source of fieldAxial flux machines -understanding topology of axial flux machines and similarities and different from other topologiesOther specific types of electrical machines - fundamental similarities and difference of other types of electrical machines from the ones mentioned above, For example; Transverse flux machines, flux switching machines, switched reluctance machines
Electrical Circuit Design - Understanding the principles of electric circuit theory - Ohm, Norton, Thevenin, Faraday, Lenz and practicalities of applying these theorems to products. Application of this to design and analyze winding in rotor and stator of electrical machines Execution of the winding diagrams based on the existing constructive elements. A.C. winding diagram interpretation. Design, redesign, D.C. concentrated coils execution, A.C. coils execution for low and high voltage.
Performance Simulation – Use of mathematic models and computer aided engineering/scientific design tools such as MATLAB/Simulink, MATH CAD etc to simulate steady state, dynamic and transient operation of an electrical machine.
Electrical Power Systems – Understanding of the principles of electrical systems in power generation industry, such as distributed/embedded power generation, conventional centralised power generation, islanded/standalone power system etc. Understanding for power generation, transmission, and distribution systems. Knowledge of power systems & analysis and how the electrical generator performance are influenced when they are connected to power systems.
Education, Licenses, Certifications
College, University, or equivalent degree in Engineering required.
Some level of relevant work experience a benefit. That could be COOP or summer Intern experience.
Be familiar with logic analysis, control modeling, simulation and data analysis by using MATLAB/SIMULINK.
Primary Location China-Beijing-Beijing-China, Beijing, CES
Job Type Experienced - Professional / Office
Recruitment Job Type Professional - Experienced
Job Posting Aug 29, 2017, 1:01:55 AM
Unposting Date Ongoing
Req ID: 170004WG