2. RDVS Overview
RDVS is an electrical engineering
consultancy focused on the design,
and integration of vehicle electrical
systems.
We cover all the main automotive
fields including mainstream, EV/HEV,
commercial and military vehicles.
Core Skills
• Vehicle integration activities
including programme/supplier
management
• Vehicle architecture design
• EDS design, modelling & testing
• Harness prototype manufacturing
• CAN system design & testing
• Very strong electric vehicle skill-set
3. RDVC - Overview
RDVC is a specialist electronic component
design consultancy focused on the design
and manufacture of niche electrical
components.
We cover everything from standard low
voltage automotive components to high
current / high voltage components for
electric vehicles.
Core Skills
• Bespoke electronic / electrical
component design
• Bespoke software design
• Bespoke mechanical design
• Low / high voltage designs
• HV power distribution, control &
measurement
• DC/DC converters
• Industry leading EV skill-set
• Excellent prototyping capability
• Low / medium volume manufacturing
5. Vehicle Integration & System Design
Vehicle system design and integration is a
core RDVS skill.
We have successfully delivered vehicle
designs including production electric vehicles,
military vehicles, low volume supercars and
the current diesel land speed record car.
We offer:
• OEM system design methodologies &
documentation
• Complete EDS design including production
drawings
• Detailed component level specifications
• CAN system design / management /
testing
• OEM level system testing
• DVP&R management
6. Case Study – Military Vehicle Design
• 100% New electrical system design
• Modified engine / transmission,
bespoke body control / instrument
cluster / battery management
system / power distribution in mixed
12V / 24V environment
• Vehicle level specification
• System level specifications
• Component & EDS specifications
• EDS Design in Vesys
• J1939 CAN system design
• Component supplier management
• 12 month program
• 3 complete vehicles plus working
show special
7. Case Study - JCB Dieselmax
Whole vehicle electrical system design
and supply including the following:
• Bespoke power distribution, wiring
and switching for chassis, safety,
engine and transmission systems
• Bespoke lithium ion batteries
(separate 12V, 24V and safety
system batteries)
• Steering wheel controls, cockpit
controls and instruments
• 3 zone fire extinguisher system,
emergency air safety system
• Parachute electrical deployment
system
• Off-board power and charging
systems
8. Case Study – OEM Electric Vehicle
Vehicle level
• LV EDS system design and
prototype manufacture
• HV EDS system design and
procurement
• CAN system definition /
management
Component level
Design and manufacture of:
• HV Power Distribution Unit
• CAN Instrument Cluster Interface
• Climate Control Unit
• Battery Interface Module
• Battery HV Junction Box
• Battery contactor economiser
9. Electronic Design
Hardware design for all volumes – concept to production
• Specification development
• Schematic capture
• Design FMEA including safety analysis
• EMC & production testing considered from outset of program
• Simple to complex bespoke designs
• Multilayer PCB design
• High voltage / current design
• Design & configuration control
• Manufacturing ranging from one off parts up to medium volumes
• Altium Designer PCB design with full mechanical design export
10. Embedded Software
Full Software lifecycle - concept definition through to acceptance sign-off:
• Hazard analysis and development of safety plans
• Software architecture design and requirements capture
• Verification and validation planning
• Software quality assurance
• Configuration management
Applications:
• Safety critical systems
• Low-level serial / CAN boot-loaders
• Signal interfacing / conversion
• Communications - UDS / gateways
• Complex system control across networked architectures
11. Mechanical Design
We have both 2D and 3D CAD
mechanical design capabilities
• We have multiple seats of CATIA V5
and AutoCad for mechanical
component designs
• We have multiple seats of VeSys
Design for harness components
• Our PCB design package is fully
integrated with our M-CAD systems
We have demonstrated capabilities in:
• Sealed enclosure design
• Air / liquid cooled designs
• Sand-cast, high pressure die-cast,
injection moulded, machined and
stamped parts
• Low volume prototyping
12. Case Study – HV Battery Interface
Module Design
As the result of an urgent request from a
customer we designed a Battery
Interface Module incorporating CAN
gateway. The unit separated the battery
CAN system from the main vehicle CAN,
and provided control over contactors
and other battery interface features.
• Bespoke hardware to production
intent standard – reverse battery,
ESD protection, EMC
countermeasures
• OEM specification CAN hardware
layer with full EMC / ESD protection
• Test box and prototype hardware
delivered to software engineer
within 4 weeks.
• Software was written in MISRA C
• The project was delivered in 10
weeks
13. We developed this high voltage power
distribution unit for the prototype phase of an
OEM customers electric vehicle. It included:
• Component hardware and software
specification
• Distribution of all vehicle HV power, HV pre‐
charge, main contactor switching, control,
fusing and switching of low current HV
consumers
• 1kW DC/DC converter
• Bespoke PTC Heater control with over‐
current protected output circuits and open
circuit detection
• Isolation testing
• Charging system switching
• Protection for AC compressor switching
• Up to 600V working voltage
• >2400V isolation to 12V power system
• High insulation / µA leakage
• Bespoke enclosure with >IP67 protection
• First parts were delivered to or customer 12
weeks from receipt of order
Case Study – HV Power
Distribution
